Product Description

Product Description

Straight line shaft is a product that can be made into straight line movement because of the guiding function of sliding bearing.

The necessary conditions of linear motion system are: simple design, optimal performance, low maintenance cost, durable materials, high-frequency heat treatment, accurate
Outside diameter size, roundness, true flatness and surface treatment, etc.
Model style: diameter 5- 607
The material of carbon steel
Hardness HRC60 ± 2
Hardening thickness
0.8 mm – 3 mm
Length 0-6000mm (if you need more than 6000mm, we can reverse connection for you)
Precision g6
The roughness is within 1.5μm
Straightness 1.5μm 100mm (Rmax)
Other straight shaft types solid shaft, hollow shaft, threaded shaft, stainless steel shaft
Other materials bearing steel GCr15, carbon steel 45#, SUS440C
We are a professional bearing manufacturer in China, high quality bearings can be customized according to OEM and according to your requirements

Range of application

 

1. The solid shaft

Generally applicable to industrial robots, as professional measuring instruments, medical instruments, precision machine tools, aircraft shafts, pneumatic mandrel moving parts.

2. The hollow shaft

With the advantages of reducing the weight and simplifying the structure of the equipment, the inner measuring wire, compressed air, and lubricating oil and hydraulic oil can be worn again.

3, stainless steel shaft

Generally suitable for chemicals, seawater and so on

Used as part of a measurement in the presence of a substance.

Special processing shaft after heat treatment finishing, all models are hard chrome plated automation equipment.
 

Special processing

1.The length of the

We can provide straight spools with diameters φ5mm-φ150mm. Maximum length up to 6000 mm.

When you have special requirements for length, we can meet your processing requirements of different lengths.

When you require more than 6000mm, we can reverse connection for you.

2. Special processing

When you have special requirements for processing. Such as thread, with the shaft hole drilling tapping, radial hole drilling tapping, shaft diameter diameter, etc., we can process for you, these special machines after heat treatment and hard chromium treatment, to ensure the accuracy of products.

Send your detailed sketches or blueprints to us for quotation and action, reply to us after you find our factory price ideal for processing.
 

Detailed Photos

Company Profile

 

ZHangZhoug HangZhou KaiYaDe bearing co., LTD. Is a have many years experience of linear motion products professional manufacturers. We specialized in the production of straight axis, linear guide, ball screw, linear bearings, linear guide, ball screw end support, linear guide, CAM follower and of good quality and competitive price. My company is located in HangZhou city, zHangZhoug province, close to HangZhou port and HangZhou city.
Products are widely used in precision machinery, fitness equipment, printing machinery, packaging machinery, medical machinery, food machinery, textile machinery and related equipment. Products sell well in North America, Western Europe, Australia, southeast Asia, the Middle East, South America and other regions.

FAQ

1. Are you a factory or trading company?
We are the most competitive price and high quality professional manufacturers, has 12 years of experience.
2. What is your product range?
Specializing in the production of straight axis, linear bearings, linear guide, linear guide, ball screw, linear motion unit such as CAM follower.
3. Do you provide OEM&ODM service?
B: yes. Welcome OEM, ODM
4. How can I get some samples?
We are very honored to provide samples. You need to pay the freight and some sample fee.
5. How is the quality control of your factory?
We uphold the tenet of “quality is the future”, we have passed CE certification, we have strict quality control procedures.
6. How can I get quotation?
You can send below quotation or send email to us. You can contact us directly by TM or WhatsApp and Skype as you like. If you have an emergency, please call us at any time.
 

 

Visit the Factory environment

 

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 2 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 1 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.

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of 2 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.

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 2 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 2 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.