Tag Archives: linear shaft bearing

China factory OEM Metal Shaft Stainless Steel Pin Propeller Linear Bearing Spline Shafts

Product Description

OEM Metal Shaft Stainless Steel Pin Propeller Linear Bearing Spline Shafts 

Data Sheet

 

Model NO. Aofa PR01

Appearance Shape

Round

Journal Surface Roughness

0.63-0.16μm

 

Tolerance

ISO F7

 

Material Grade

Ck45, 20mnv6, 42CrMo4

 

Roundness

Dia.Tolerance/2

 

Axis Straightness

0.1/1000mm

 

Hardened Depth

0.5-3.5mm

 

Heat Treatment

None, Induction Hardened, Q+T

 

Chrome Layer Hardness

Min.800hv

 

Chrome Thickness

15-50 Microns

 

Dia.Range

Ø12-Ø320

 

Package

Paper Sleeved, Shockproof Membrane, Wooden Case

 

Material Hardness

HRC15, HRC30, HRC55 Can Be Choice

 

Length Option

4m, 5.8m, 6m, 7.5m

 

Specification

20GP, 40HQ

 

Product Showroom

 

Product Description
 

Pin shaft is a kind of standardized fastener, which can be statically fixed and connected with the connected part.

It is mainly used for the hinge of 2 parts to form a hinge connection.

Scope of application: engineering machinery, excavator, aerial work vehicle, various lifting platforms, forklift pile driver, driving, rail transit, shipbuilding industry, mining equipment, metallurgical equipment and other industries

Product Characteristics

The pin shaft is usually locked with a cotter pin, which is reliable and easy to disassemble. The surface of this product is treated by special grinding and hard chromium electroplating technology, and then polished by mirror. It has the characteristics of wear resistance and corrosion resistance.

 

HangZhou CHINAMFG Machinery Co., LTD., formerly known as HangZhou Xihu (West Lake) Dis.n East CHINAMFG Petrochemical Fitting Corporation, was founded in 1997. CHINAMFG focus on the field of machinery manufacturing, committed to providing cylinder, flange (petrochemical accessories), pin, sheet metal parts and other mechanical products; Heat exchanger, ambient vaporizer, LNG handling arm and other gas engineering products for domestic sales and foreign trade import and export services. CHINAMFG is a leading enterprise who collects production, foreign trade, sales and service. Relying on our technology, taking quality as the core and efficiency as the soul, we aim to bring the best quality mechanical products to our customers, and is committed to becoming a one-stop solution expert of mechanical parts. It is determined to become a one-stop service supplier integrating research and development, production and sales. Enterprises adhere to the “all for the customer” service purpose, implement the “customer first, quality first, service first” business philosophy, the use of omni-channel sales model, to build a global sales network, open CHINAMFG machinery brand development road.

Aofa always follows the purpose of “providing value products for customers, providing development space for employees, and creating outstanding leading brands in the industry”, abides by the enterprise development concept of “creating value by heart”, and adheres to the mission of “manufacturing machinery high-quality products, creating a harmonious society”. The enterprise gathers many young and promising, positive people with lofty ideals, through the perfect management system and competitive incentive mechanism, aims to provide all-round development space for employees, and create a better future with the enterprise. Scientific management mode, intimate service attitude, for the enterprise to win credibility and public praise. In the fierce market competition to establish a good corporate image, and with many enterprises to establish long-term, stable strategic partnership, for the further development of the enterprise has laid a CHINAMFG foundation.

Q1:Can you provide a sample before a big order?
A:Yes, we can .

Q2:Are you able to make Non-standard or customized air cylinders?
A:Yes, we can, we have our own factory, we can satisfy the customers’ demands

Q3:How long is the warranty?
A:We offer 12 months warranty time.

Q4:Can I have my brand on the products?
A:Of course you can.

Q5:What is your delivery time?
A:3-5days if we have stock, 15-25days if we have no stock.

Q6.  Do you test all your goods before delivery?
 A: Yes, we have 100% test before delivery

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After-sales Service: 1 Year
Warranty: 1 Year
Condition: New
Certification: CE
Customized: Customized
Material: Stainless Steel
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

spline shaft

Can spline shafts be customized for specific machinery and equipment?

Yes, spline shafts can be customized to suit specific machinery and equipment requirements. Here’s a detailed explanation:

1. Size and Length:

Spline shafts can be customized in terms of size and length to fit the dimensions of the machinery or equipment. Manufacturers can design spline shafts with the appropriate diameter, overall length, and spline length to ensure a proper fit within the system.

2. Spline Profile:

The spline profile can be customized based on the specific application. Different spline profiles, such as involute, serrated, or helical, can be used to optimize torque transmission, load distribution, and engagement characteristics based on the requirements of the machinery or equipment.

3. Number of Splines:

The number of splines on the shaft can be customized to match the mating component. The number of splines determines the engagement area and affects the torque-carrying capacity of the spline shaft. By adjusting the number of splines, manufacturers can tailor the spline shaft to the specific torque and load requirements of the machinery or equipment.

4. Material Selection:

The choice of material for spline shafts can be customized based on the operating conditions and environmental factors of the machinery or equipment. Different materials, such as alloy steels or stainless steels, can be selected to provide the necessary strength, durability, corrosion resistance, or other specific properties required for the application.

5. Surface Treatment:

The surface of spline shafts can be customized with various treatments to enhance their performance. Surface treatments like heat treatment, coating, or plating can be applied to improve hardness, wear resistance, or corrosion resistance based on the specific requirements of the machinery or equipment.

6. Tolerances and Fit:

Tolerances and fit between the spline shaft and mating components can be customized to achieve the desired clearance or interference fit. This ensures proper engagement, smooth operation, and optimal performance of the machinery or equipment.

7. Special Features:

In certain cases, spline shafts can be customized with additional features to meet specific needs. This may include the incorporation of keyways, threads, or other specialized features required for the machinery or equipment.

Manufacturers and engineers work closely with the machinery or equipment designers to understand the specific requirements and tailor the spline shafts accordingly. By considering factors such as size, spline profile, number of splines, material selection, surface treatment, tolerances, fit, and any special features, customized spline shafts can be developed to ensure optimal performance and compatibility with the machinery or equipment.

It is important to consult with experienced spline shaft manufacturers or engineering professionals to determine the most suitable customization options for a particular machinery or equipment application.

spline shaft

How do spline shafts contribute to precise and consistent rotation?

Spline shafts play a crucial role in achieving precise and consistent rotation in mechanical systems. Here’s how spline shafts contribute to these characteristics:

1. Interlocking Design:

Spline shafts feature a series of ridges or teeth, known as splines, that interlock with corresponding grooves or slots in mating components. This interlocking design ensures a positive connection between the shaft and the mating part, allowing for precise and consistent rotation. The engagement between the splines provides resistance to axial and radial movement, minimizing play or backlash that can introduce inaccuracies in rotation.

2. Load Distribution:

The interlocking engagement of spline shafts allows for effective load distribution along the length of the shaft. This helps distribute the applied torque evenly, reducing stress concentrations and minimizing the risk of localized deformation or failure. By distributing the load, spline shafts contribute to consistent rotation and prevent excessive wear on specific areas of the shaft or the mating components.

3. Torque Transmission:

Spline shafts are specifically designed to transmit torque efficiently from one component to another. The close fit between the splines ensures a high torque-carrying capacity, enabling the shaft to transfer rotational force without significant power loss. This efficient torque transmission contributes to precise and consistent rotation, allowing for accurate positioning and motion control in various applications.

4. Rigidity and Stiffness:

Spline shafts are typically constructed from materials with high rigidity and stiffness, such as steel or alloy. This inherent rigidity helps maintain the dimensional integrity of the shaft and minimizes deflection or bending under load. By providing a stable and stiff rotational axis, spline shafts contribute to precise and consistent rotation, particularly in applications that require tight tolerances or high-speed operation.

5. Alignment and Centering:

The interlocking nature of spline shafts aids in the alignment and centering of rotating components. The splines ensure proper positioning and orientation of the shaft relative to the mating part, facilitating concentric rotation. This alignment helps prevent wobbling, vibrations, and eccentricity, which can adversely affect rotation accuracy and consistency.

6. Lubrication and Wear Reduction:

Proper lubrication of spline shafts is essential for maintaining precise and consistent rotation. Lubricants reduce friction between the mating surfaces, minimizing wear and preventing stick-slip phenomena that can cause irregular rotation. The use of lubrication also helps dissipate heat generated during operation, ensuring optimal performance and longevity of the spline shaft.

By incorporating interlocking design, load distribution, efficient torque transmission, rigidity, alignment, and lubrication, spline shafts contribute to precise and consistent rotation in mechanical systems. Their reliable and accurate rotational characteristics make them suitable for a wide range of applications, from automotive and aerospace to machinery and robotics.

spline shaft

Can you explain the common applications of spline shafts in machinery?

Spline shafts have various common applications in machinery where torque transmission, relative movement, and load distribution are essential. Here’s a detailed explanation:

1. Gearboxes and Transmissions:

Spline shafts are commonly used in gearboxes and transmissions where they facilitate the transmission of torque from the input shaft to the output shaft. The splines on the shaft engage with corresponding splines on the gears, allowing for precise torque transfer and accommodating relative movement between the gears.

2. Power Take-Off (PTO) Units:

In agricultural and industrial machinery, spline shafts are employed in power take-off (PTO) units. PTO units allow the transfer of power from the engine to auxiliary equipment, such as pumps, generators, or farm implements. Spline shafts enable the torque transfer and accommodate the relative movement required for PTO operation.

3. Steering Systems:

Spline shafts play a crucial role in steering systems, especially in vehicles. They are used in steering columns to transmit torque from the steering wheel to the steering rack or gearbox. The splines on the shaft ensure precise torque transfer while allowing for the axial movement required for steering wheel adjustment.

4. Machine Tools:

Spline shafts find applications in machine tools such as milling machines, lathes, and grinding machines. They are used to transmit torque and enable the relative movement required for tool positioning, feed control, and spindle rotation. Spline shafts ensure accurate and controlled movement of the machine tool components.

5. Industrial Pumps and Compressors:

Spline shafts are utilized in various types of pumps and compressors, including centrifugal pumps, gear pumps, and reciprocating compressors. They transmit torque from the driver (such as an electric motor or an engine) to the impeller or rotor, enabling fluid or gas transfer. Spline shafts accommodate the axial or radial movement caused by thermal expansion or misalignment.

6. Printing and Packaging Machinery:

Spline shafts are integral components in printing and packaging machinery. They are used in processes such as web handling, where precise torque transmission and relative movement are required for tasks like tension control, registration, and material feeding. Spline shafts ensure accurate and synchronized movement of the printing and packaging elements.

7. Aerospace and Defense Systems:

In the aerospace and defense industries, spline shafts are utilized in various applications, including aircraft landing gear systems, missile guidance systems, and helicopter rotor systems. They enable torque transmission, accommodate relative movement, and ensure precise control in critical aerospace and defense mechanisms.

8. Construction and Earthmoving Equipment:

Spline shafts are employed in construction and earthmoving equipment, such as excavators, bulldozers, and loaders. They are used in hydraulic systems to transmit torque from the hydraulic motor to the driven components, such as the digger arm or the bucket. Spline shafts enable efficient power transfer and allow for the articulation and movement of the equipment.

These are just a few examples of the common applications of spline shafts in machinery. Their versatility, torque transmission capabilities, and ability to accommodate relative movement make them essential components in various industries where precise power transfer and flexibility are required.

China factory OEM Metal Shaft Stainless Steel Pin Propeller Linear Bearing Spline Shafts  China factory OEM Metal Shaft Stainless Steel Pin Propeller Linear Bearing Spline Shafts
editor by CX 2024-03-27

China High Presicion Bearing 45# Linear Shaft Hollow Spline Shaft F7 drive shaft adapter

Item Description

  • If you have any questions, you should come to feel totally free get in touch with our client services!

US $1.21
/ Meter
|
1,000 Meters

(Min. Order)

###

Material: JIS S45c, SAE1045, DIN Ck45
Length: 1000-6000mm
Surface Hardness: HRC58-60
Dia: 25mm
Precision: F7
Surface Hardening Depth: 0.8-3mm

###

Samples:
US$ 1/Meter
1 Meter(Min.Order)

|
Request Sample

###

Customization:
US $1.21
/ Meter
|
1,000 Meters

(Min. Order)

###

Material: JIS S45c, SAE1045, DIN Ck45
Length: 1000-6000mm
Surface Hardness: HRC58-60
Dia: 25mm
Precision: F7
Surface Hardening Depth: 0.8-3mm

###

Samples:
US$ 1/Meter
1 Meter(Min.Order)

|
Request Sample

###

Customization:

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in four different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right one for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
splineshaft

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting one or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
splineshaft

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is one of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least one ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to one another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the two shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
splineshaft

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has two groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other two pressure angles. It is often used when the splined shaft material is harder than usual.

China High Presicion Bearing 45# Linear Shaft Hollow Spline Shaft F7     drive shaft adapter	China High Presicion Bearing 45# Linear Shaft Hollow Spline Shaft F7     drive shaft adapter
editor by czh 2023-03-23

China Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft drive shaft ends

Item Description

 

Product Description

Product description

Linear shaft features

Items

Linear shaft

Flexible shaft

Hollow shaft

Content

CK45, SUJ2

CK45

SUJ2

Heat therapy

Induction hardened

Not hardened

Induction hardened

Surface hardness

HRC58±2

HRC15±3

HRC60±2

Floor dealt with

Tough chrome plated

Hard chrome plated

Hard chrome plated

Precision

h7, g6, h6

h7, g6

h7, g6, h6

Roundness

Max3.0µm

Max3.0µm

Max3.0µm

Straightness

Max5.0µm

Max5.0µm

Max5.0µm

Chrome thickness

twenty-30µm

30µm

30µm

Roughness

Max1.5µm

Max1.5µm

Max1.5µm

Process machinized

Threading, lowered shaft dia,coaxial holes drilled and tapped, flats-single or several, key way, snap ring grooves, radial holes drilled and tapped, chamfering

Linear shaft description

ERSK Linear delivers linear shafting in a selection of different options to satisfy a extensive selection of client requirements. Obtainable in hardened steel, CK45 content steel, SUJ2 substance metal, hollow steel , inch and metric, Simplicity Shafting maintains the best area finish for linear simple bearings and ball bearings.

· Reliable round shafting is offered in inch sizes from 3/sixteen” via 4″ and metric measurements from 3 mm via eighty mm

· Machining accessible upon ask for

Large Reliability

ERSK linear shaft has extremely straight good quality manage requirements masking every single manufacturing approach. With correct lubrication and use, difficulty-free procedure for an prolonged period of time of time is feasible.

Clean Operation

The higher efficiency of linear shaft is vastly outstanding to standard shaft. The torque necessary is considerably less than 30%. Linear movement can be easily modified from rotary motion.

High Longevity

Rigidly selected materials, intensive warmth treating and processing strategies, backed by years of encounter,have resulted in the most resilient linear shaft manufactured.

Induction linear shaft, Versatile linear shaft,

linear bearings shaft, hollow linear shaft,

hardened linear shaft, chromed linear shaft

Application

For delicate application in industrial software, equipment instrument and automation software.

Linear Shafts – Technical Properties.

Examination linear shaft area roughness

the max roughness is Ra0.4um

Straight the linear shaft straightness:

We control the traighness .05mm of linear shaft 300mm

Examination hardness:

S45C materail induction linear shaft, the hardness is HRC55-58

GCr15 (SUJ2) materail induction linear shaft, the hardness is HRC58-63

If versatile shaft, the hardness is dependent on the shaft substance by itself

Take a look at the linear shaft dia precision, as usually, h7 is the regular tolerance in our stock, But we can provide g6, h6 precision as well. if any unique tolerance, we are CZPT to personalize them for you.

We can machinize all varieties of machining,

 

Connected products

Connected products

There are several types of goods we can supply, If you are interested in them, remember to click the picture and see the specifics.

Creation Movement

In excess of support

More than Services

Packaging & Transport

Packaging and delivery

PP bag for every linear shaft, Common exported carton outdoors for little buy transport by international express, this sort of as DHL, TNT, UPS

Wood box exterior for massive quantity or very extended linear shaft by sea, by air

 

Company Profile

Company details

Our basic principle

 

US $60
/ Meter
|
1 Meter

(Min. Order)

###

Material: Ck45 and Gcr15
Load: Drive Shaft
Stiffness & Flexibility: Flexible Shaft
Journal Diameter Dimensional Accuracy: H7, H6, G6
Axis Shape: Straight Shaft
Shaft Shape: Real Axis

###

Samples:
US$ 3/Meter
1 Meter(Min.Order)

|
Request Sample

###

Customization:

###

Items

Linear shaft

Flexible shaft

Hollow shaft

Material

CK45, SUJ2

CK45

SUJ2

Heat treatment

Induction hardened

Not hardened

Induction hardened

Surface hardness

HRC58±2

HRC15±3

HRC60±2

Surface treated

Hard chrome plated

Hard chrome plated

Hard chrome plated

Precision

h7, g6, h6

h7, g6

h7, g6, h6

Roundness

Max3.0µm

Max3.0µm

Max3.0µm

Straightness

Max5.0µm

Max5.0µm

Max5.0µm

Chrome thickness

20-30µm

30µm

30µm

Roughness

Max1.5µm

Max1.5µm

Max1.5µm

Process machinized

Threading, reduced shaft dia,coaxial holes drilled and tapped, flats-single or multiple, key way, snap ring grooves, radial holes drilled and tapped, chamfering

###

Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft

Test linear shaft surface roughness

the max roughness is Ra0.4um

Straight the linear shaft straightness:

We control the traighness 0.05mm of linear shaft 300mm

Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft
Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft

Test hardness:

S45C materail induction linear shaft, the hardness is HRC55-58

GCr15 (SUJ2) materail induction linear shaft, the hardness is HRC58-63

If flexible shaft, the hardness is based on the shaft material itself

Test the linear shaft dia precision, as usually, h7 is the normal tolerance in our stock, But we can offer g6, h6 precision too. if any special tolerance, we are able to customize them for you. Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft
US $60
/ Meter
|
1 Meter

(Min. Order)

###

Material: Ck45 and Gcr15
Load: Drive Shaft
Stiffness & Flexibility: Flexible Shaft
Journal Diameter Dimensional Accuracy: H7, H6, G6
Axis Shape: Straight Shaft
Shaft Shape: Real Axis

###

Samples:
US$ 3/Meter
1 Meter(Min.Order)

|
Request Sample

###

Customization:

###

Items

Linear shaft

Flexible shaft

Hollow shaft

Material

CK45, SUJ2

CK45

SUJ2

Heat treatment

Induction hardened

Not hardened

Induction hardened

Surface hardness

HRC58±2

HRC15±3

HRC60±2

Surface treated

Hard chrome plated

Hard chrome plated

Hard chrome plated

Precision

h7, g6, h6

h7, g6

h7, g6, h6

Roundness

Max3.0µm

Max3.0µm

Max3.0µm

Straightness

Max5.0µm

Max5.0µm

Max5.0µm

Chrome thickness

20-30µm

30µm

30µm

Roughness

Max1.5µm

Max1.5µm

Max1.5µm

Process machinized

Threading, reduced shaft dia,coaxial holes drilled and tapped, flats-single or multiple, key way, snap ring grooves, radial holes drilled and tapped, chamfering

###

Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft

Test linear shaft surface roughness

the max roughness is Ra0.4um

Straight the linear shaft straightness:

We control the traighness 0.05mm of linear shaft 300mm

Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft
Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft

Test hardness:

S45C materail induction linear shaft, the hardness is HRC55-58

GCr15 (SUJ2) materail induction linear shaft, the hardness is HRC58-63

If flexible shaft, the hardness is based on the shaft material itself

Test the linear shaft dia precision, as usually, h7 is the normal tolerance in our stock, But we can offer g6, h6 precision too. if any special tolerance, we are able to customize them for you. Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft

The Benefits of Spline Couplings for Disc Brake Mounting Interfaces

Spline couplings are commonly used for securing disc brake mounting interfaces. Spline couplings are often used in high-performance vehicles, aeronautics, and many other applications. However, the mechanical benefits of splines are not immediately obvious. Listed below are the benefits of spline couplings. We’ll discuss what these advantages mean for you. Read on to discover how these couplings work.

Disc brake mounting interfaces are splined

There are two common disc brake mounting interfaces – splined and six-bolt. Splined rotors fit on splined hubs; six-bolt rotors will need an adapter to fit on six-bolt hubs. The six-bolt method is easier to maintain and may be preferred by many cyclists. If you’re thinking of installing a disc brake system, it is important to know how to choose the right splined and center lock interfaces.
splineshaft

Aerospace applications

The splines used for spline coupling in aircraft are highly complex. While some previous researches have addressed the design of splines, few publications have tackled the problem of misaligned spline coupling. Nevertheless, the accurate results we obtained were obtained using dedicated simulation tools, which are not commercially available. Nevertheless, such tools can provide a useful reference for our approach. It would be beneficial if designers could use simple tools for evaluating contact pressure peaks. Our analytical approach makes it possible to find answers to such questions.
The design of a spline coupling for aerospace applications must be accurate to minimize weight and prevent failure mechanisms. In addition to weight reduction, it is necessary to minimize fretting fatigue. The pressure distribution on the spline coupling teeth is a significant factor in determining its fretting fatigue. Therefore, we use analytical and experimental methods to examine the contact pressure distribution in the axial direction of spline couplings.
The teeth of a spline coupling can be categorized by the type of engagement they provide. This study investigates the position of resultant contact forces in the teeth of a spline coupling when applied to pitch diameter. Using FEM models, numerical results are generated for nominal and parallel offset misalignments. The axial tooth profile determines the behavior of the coupling component and its ability to resist wear. Angular misalignment is also a concern, causing misalignment.
In order to assess wear damage of a spline coupling, we must take into consideration the impact of fretting on the components. This wear is caused by relative motion between the teeth that engage them. The misalignment may be caused by vibrations, cyclical tooth deflection, or angular misalignment. The result of this analysis may help designers improve their spline coupling designs and develop improved performance.
CZPT polyimide, an abrasion-resistant polymer, is a popular choice for high-temperature spline couplings. This material reduces friction and wear, provides a low friction surface, and has a low wear rate. Furthermore, it offers up to 50 times the life of metal on metal spline connections. For these reasons, it is important to choose the right material for your spline coupling.
splineshaft

High-performance vehicles

A spline coupler is a device used to connect splined shafts. A typical spline coupler resembles a short pipe with splines on either end. There are two basic types of spline coupling: single and dual spline. One type attaches to a drive shaft, while the other attaches to the gearbox. While spline couplings are typically used in racing, they’re also used for performance problems.
The key challenge in spline couplings is to determine the optimal dimension of spline joints. This is difficult because no commercial codes allow the simulation of misaligned joints, which can destroy components. This article presents analytical approaches to estimating contact pressures in spline connections. The results are comparable with numerical approaches but require special codes to accurately model the coupling operation. This research highlights several important issues and aims to make the application of spline couplings in high-performance vehicles easier.
The stiffness of spline assemblies can be calculated using tooth-like structures. Such splines can be incorporated into the spline joint to produce global stiffness for torsional vibration analysis. Bearing reactions are calculated for a certain level of misalignment. This information can be used to design bearing dimensions and correct misalignment. There are three types of spline couplings.
Major diameter fit splines are made with tightly controlled outside diameters. This close fit provides concentricity transfer from the male to the female spline. The teeth of the male spline usually have chamfered tips and clearance with fillet radii. These splines are often manufactured from billet steel or aluminum. These materials are renowned for their strength and uniform grain created by the forging process. ANSI and DIN design manuals define classes of fit.
splineshaft

Disc brake mounting interfaces

A spline coupling for disc brake mounting interfaces is a type of hub-to-brake-disc mount. It is a highly durable coupling mechanism that reduces heat transfer from the disc to the axle hub. The mounting arrangement also isolates the axle hub from direct contact with the disc. It is also designed to minimize the amount of vehicle downtime and maintenance required to maintain proper alignment.
Disc brakes typically have substantial metal-to-metal contact with axle hub splines. The discs are held in place on the hub by intermediate inserts. This metal-to-metal contact also aids in the transfer of brake heat from the brake disc to the axle hub. Spline coupling for disc brake mounting interfaces comprises a mounting ring that is either a threaded or non-threaded spline.
During drag brake experiments, perforated friction blocks filled with various additive materials are introduced. The materials included include Cu-based powder metallurgy material, a composite material, and a Mn-Cu damping alloy. The filling material affects the braking interface’s wear behavior and friction-induced vibration characteristics. Different filling materials produce different types of wear debris and have different wear evolutions. They also differ in their surface morphology.
Disc brake couplings are usually made of two different types. The plain and HD versions are interchangeable. The plain version is the simplest to install, while the HD version has multiple components. The two-piece couplings are often installed at the same time, but with different mounting interfaces. You should make sure to purchase the appropriate coupling for your vehicle. These interfaces are a vital component of your vehicle and must be installed correctly for proper operation.
Disc brakes use disc-to-hub elements that help locate the forces and displace them to the rim. These elements are typically made of stainless steel, which increases the cost of manufacturing the disc brake mounting interface. Despite their benefits, however, the high braking force loads they endure are hard on the materials. Moreover, excessive heat transferred to the intermediate elements can adversely affect the fatigue life and long-term strength of the brake system.

China Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft     drive shaft ends	China Un-Standard Size Dia48 Hollow Linear Bearing Ball Spline Shaft     drive shaft ends
editor by czh 2022-12-21

China Metal Shaft Stainless Steel Propeller Spline Shafts Steel Linear Bearing Motor Drive Shaft wholesaler

Product Description

Product Description

The marine propeller shaft is an important part of the shafting system. We have the strict control form the preparing material to packaging to make sure the quality of the shaft

  Material List for the stainless steel stern shaft, propeller shaft:

Chemical Component (%)
C Si Mn P S Cr Ni
≤0.07 ≤1.00 ≤2.00 ≤0.35 ≤0.30 17.00-19.00 8.00-11.00

 

Mechanical Properties
Tensile Test Hardness Test
o b (MPa) o s (MPa) o 5(%) HB HRB HV
≥520 ≥205 ≥40 ≤187 ≤90 ≤200

 

Yeld Value Strength at High Temperature
Nominal Thickness (mm) During the following temperature (°C), o 0.2 (MP) should be not less than
100 150 200 250 300 350 400 450 500 550
2-60 171 155 144 135 127 123 119 114 111 106

Allowable Stress of Steel Forgings
Nominal Thickness (mm) During the following temperture (°C), the allowable stress should be (MPa)
≤20 100 150 200 300 400 500 550 600 650 700
2-60 137 137 137 130 114 107 100 91 64 42 27
137 114 103 96 85 79 74 71 62 42 27

 

Product Parameters

 

Specifications for the stern shaft or propeller shaft:

Material: stainless steel 304/316

Processing methods: forged and lathe machining

Dimensions: designed according to the vessel

Detailed Photos

Company Profile

FAQ

Q1. How do you ensure your quality?

A: All of our products pass strict multi inspection process. Each assembled drive shaft will undergo dynamic balance test to avoid vibration. We have 100% test before delivery. 

Q2. What’s the accurate price of your products?
A: Please contact us to get the accurate price of our products, and the price of the products will be fluctuated due to the different purchase quantity.

  
Q3. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures. Besides, we have extensive experience in developing and modifying the drive shafts as per customers’ requirements.

Q4. What are your terms of packing?
A: Generally, we pack our goods in neutral packaging. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, the sample cost and the courier cost will be paid by the customers. Please contact us to get the accurate sample price.
 

US $100-100,000
/ Piece
|
1 Piece

(Min. Order)

###

Material: Alloy Steel
Load: Drive Shaft
Journal Diameter Dimensional Accuracy: Cutomized
Axis Shape: Crankshaft
Shaft Shape: Real Axis
Appearance Shape: Round

###

Customization:

###

Chemical Component (%)
C Si Mn P S Cr Ni
≤0.07 ≤1.00 ≤2.00 ≤0.35 ≤0.30 17.00-19.00 8.00-11.00

###

Mechanical Properties
Tensile Test Hardness Test
o b (MPa) o s (MPa) o 5(%) HB HRB HV
≥520 ≥205 ≥40 ≤187 ≤90 ≤200

###

Yeld Value Strength at High Temperature
Nominal Thickness (mm) During the following temperature (°C), o 0.2 (MP) should be not less than
100 150 200 250 300 350 400 450 500 550
2-60 171 155 144 135 127 123 119 114 111 106

###

Allowable Stress of Steel Forgings
Nominal Thickness (mm) During the following temperture (°C), the allowable stress should be (MPa)
≤20 100 150 200 300 400 500 550 600 650 700
2-60 137 137 137 130 114 107 100 91 64 42 27
137 114 103 96 85 79 74 71 62 42 27
US $100-100,000
/ Piece
|
1 Piece

(Min. Order)

###

Material: Alloy Steel
Load: Drive Shaft
Journal Diameter Dimensional Accuracy: Cutomized
Axis Shape: Crankshaft
Shaft Shape: Real Axis
Appearance Shape: Round

###

Customization:

###

Chemical Component (%)
C Si Mn P S Cr Ni
≤0.07 ≤1.00 ≤2.00 ≤0.35 ≤0.30 17.00-19.00 8.00-11.00

###

Mechanical Properties
Tensile Test Hardness Test
o b (MPa) o s (MPa) o 5(%) HB HRB HV
≥520 ≥205 ≥40 ≤187 ≤90 ≤200

###

Yeld Value Strength at High Temperature
Nominal Thickness (mm) During the following temperature (°C), o 0.2 (MP) should be not less than
100 150 200 250 300 350 400 450 500 550
2-60 171 155 144 135 127 123 119 114 111 106

###

Allowable Stress of Steel Forgings
Nominal Thickness (mm) During the following temperture (°C), the allowable stress should be (MPa)
≤20 100 150 200 300 400 500 550 600 650 700
2-60 137 137 137 130 114 107 100 91 64 42 27
137 114 103 96 85 79 74 71 62 42 27

What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are two main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each one is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
splineshaft

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of two main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
splineshaft

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are two common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between two centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

China Metal Shaft Stainless Steel Propeller Spline Shafts Steel Linear Bearing Motor Drive Shaft     wholesaler China Metal Shaft Stainless Steel Propeller Spline Shafts Steel Linear Bearing Motor Drive Shaft     wholesaler
editor by czh 2022-12-02