Trusted Steering Joint & Coupling Factory
"JIUREN AUTO PARTNER" Company Overview
Yuhuan Jiuren Machinery Co., Ltd was founded in 2008 and is a professional manufacturer of steering shafts, drive shafts, and axle shafts. Specialized solutions for cars, trucks, agricultural machinery, and UTVs.
We provide OEM, ODM, and custom services; our products are mainly exported to the USA, Canada, Mexico, Brazil, Argentina, Peru, Australia, New Zealand, Germany, France, the UK, Italy, Netherlands, Poland, Russia, Ukraine, Spain, Hungary, Turkey, Saudi Arabia, Malaysia, Thailand, etc.
In the automotive field, our producta are mainly for Toyota, Honda, Nissan, Mitsubishi, Lexus, Suzuki, Isuzu, Mazda, Daihatsu, Subaru, Infiniti, Mercedes-Benz, BMW, Audi, Volkswagen, Volvo, Porsche, Jeep, Ford, Lincoln, Dodge, Chevrolet, Buick, Cadillac, Chrysler, Hummer, GM, Kia, Hyundai, Land Rover, Jaguar, Renault, Fiat, Peugeot, Opel, Lada, UAZ.
In the truck field, our products are mainly for Mercedes-Benz, Scania, Volvo, Iveco, DAF, Volkswagen, Ford, dump trucks, Basculantes, etc.
In the agricultural machinery field, our products are mainly for John Deere, Case IH, Kubota, New Holland, etc. In the UTV field, our products are mainly for Polaris and Can-Am. Etc.
Featured Steering Joint & Coupling in The Market
All You Need to Know About Steering Joint and Coupling
What is a Steering Joint and Coupling?
- A steering joint and coupling are components of a steering system. They are used to connect the steering column, or shaft, to the wheels of a vehicle.
- The steering joint is responsible for allowing the rotation of the steering wheel and transmitting force from it to the wheels. The coupling sends energy from the engine to the drivetrain and the wheels.
- The purpose of a steering joint and coupling is to ensure that turning your car’s steering wheel will cause your front tires to turn as well.
- This allows you to control the direction in which your vehicle moves. Without these components, turning your car would be much more difficult.
- These parts are typically made of durable materials such as metal or plastic.
- A good steering joint and coupling are essential for safe driving.
- Step 1: The steering wheel is rotated.
- Step 2: The torque sensor senses a torque signal, which is then processed by the ECU.
- Step 3: The ECU supplies an electric current to the motor based on the torque signal and the speed of the vehicle.
- Step 4: The motor's rotational torque is amplified by the reduction gear, before being sent to the pinion.
- Step 5: The torque generated by the pinion on the power-assist side (supplemental steering torque), as well as the torque from the pinion on the steering wheel side (steering rotating torque), is converted into a rack axial force to control tire direction.
What do the steering joint and coupling Use for?
- The uses of a steering joint and coupling are varied and provide several advantages. First, as the name implies, it connects two components to allow them to be steered or guided in different directions.
- It also allows for varying degrees of speed and maneuverability. Its features make it suitable for various automotive, marine, aerospace, and industrial applications.
- Depending on the specific application requirements, this component uses various materials such as metals, plastics, composites, elastomers, and other engineered materials.
- The geometry can also be customized with different styles ranging from simple single-axis spherical bearings to complex 5-axis articulated joints.
- A steering joint and coupling offer many advantages over traditional solutions, including increased durability, better component life expectancy, and improved maneuverability.
- Overall, its uses are pretty versatile, making it an ideal choice for a wide range of applications.
What Parts Make Up the Steering Joint?
The following are joint steering components and the materials typically used for each element.
01. Spline yoke – Usually, the head bore has splines to connect other parts; this yoke is stamped or forged or casting or extruded, and the material is 45#.
02. Universal joint – It is one of the essential parts of the steering joint. It provides a flexible mechanical connection between two parts, allowing them to move around each other while transmitting torque. This connection creates a more efficient and reliable power transfer over an extended distance than traditional rigid methods.
- The body material is 20Cr; roughs are usually forged or cold extruded.
- The needle-bearing material is GCr15.
- The bearing cup material is 20#.
- The grease seal material is NBR.
- The snap spring material is 65Mn.
What Parts Make Up the Steering Coupling?
The following are steering coupling components and the materials typically used for each element.
01. Spline head – The spline head is usually connected to the spline shaft of the steering shaft. Usually, it’s made by forged rough or coasted rough. The material is 45#.
02. Rubber discs – The rubber discs are the essential part of the coupling; the performance should be challenging but not soft. The material is NBR.
03. Guide pin – The guide pin is essential to connect the spline head to the rubber disk. The material is 45#.
04. Guide pin bushing – The material is 20#.
05. Nut – The lock nut material is 45#.
06. Wires – The wire’s electrical conductivity and corrosion resistance should be good.
What Are The Types of Steering Joints and Steering Coupling?
Stamped Steel Steering Joint
Stamped yokes are generally used for small displacements of passenger cars like Hyundai, Kia, Renault, Fiat, Peugeot, and forklifts.
Because they have low torque requirements, and the products are simple in structure, light in weight, and low in cost.
Forged Steel Steering Joint
Forged yokes are the most widely used in automotive and truck steering shafts.
Because it has the highest material density, the best torque performance, is wear-resistant and durable, and is not easy to deform, this yoke will generally be used in middle and high-end passenger cars, SUVs, trucks, and agricultural machinery.
Casting Steel Steering Joint
Casting yoke material density and performance can not be compared with forging yoke, but in the shape of the yoke, casting has more advantages than forging; casting can make a variety of shapes, not limited by the shape. But sometimes, the surface of the casted yoke will have air holes and sand holes.
So it is generally used for American cars, like Jeep, Ford, Lincoln, Dodge, Chevrolet, Buick, Cadillac, Chrysler, Hummer, GM, etc.
Extruded Steel Yoke Intermediate Steering Shaft
It is divided into two kinds of warm extrusion and cold extrusion; the surface of this kind of yoke is smooth, beautiful appearance, material density, and use performance are higher, so it now more and more popular.
These yokes are mainly used in small cars because their torque cannot be compared with forged and cast yokes.
Aluminum Steering Joint
The aluminum steering shaft is generally used more in German and tuned cars, think Mercedes-Benz, BMW, Volvo, etc..
It has lightweight, has a beautiful appearance, and has good performance.
Steering Couplings with Rubber Disk
- Metal steering coupling.
- Steel steering coupling.
- Aluminum steering coupling.
How Many Types of Surface Treatments for Steering Joint and Coupling?
Paint Spraying
Painting is the most common surface treatment for steering shafts, as it is not limited by color and can be sprayed in various colors.
However, the surface adhesion of spray paint is not strong enough, and it is easy to scratch when encountering knocks. We add a baking process according to this characteristic, which can increase the adhesion of the spray paint surface, and can effectively solve this problem.
Electrophoresis
Electrodeposition is characterized by strong adhesion, a smooth and shiny surface, and not easy to scratch when bumped.
But it can only do black; no other color options.
And because the product needs to be over-acidic during the electrophoresis process, this leads to easy rusting inside the tube.
Neutral Color
Neutral color is not used much in the upper steering shaft; although the product’s surface is coated with anti-rust oil before leaving the factory, the anti-rust time is not long.
Galvanized
The galvanized steering shaft is not used much, currently only in the Land Rover useful for such products. The surface is bright and beautiful, and the rust prevention is powerful.
How to See The Steering Joint and Coupling Quality?
1. Check the appearance
Check the surface treatment for defects, bumps, or rust, then check the finish of the machined surface.
2. Check the burrs
Check the screw holes and keyways for uncleaned burrs, and this detail is something many small factories will overlook.
3. Check the universal joint
Check whether the universal joint oil seal has ruptured; the universal joint is one of the essential parts of the steering joint; if the oil seal ruptures, it will lead to the overflow of lubricating grease inside the bearing cup and the dirt and dust outside into the universal joint, which will lead to the life of the universal joint is significantly shortened.
4. Turning universal joint
Check whether the rotation is smooth; if there is a jam, the steering joint will have a strange sound in the process of use; feel whether there is a gap in the universal joint during the rotation Universal joint if there is a gap, the steering wheel will have a gap after the product is installed, which will affect the precision of the steering wheel rotation, resulting in increased driving danger.
5. Check the length
Measure the correct length of the product.
6. Check the dimensions
Measure the mounting position dimensions, including the diameter of the inner and outer spline, the number of teeth, the spline parameters, and the angle of the mounting position at both ends are correct.
7. Check the thread
Check if the thread specification is correct.
8. Check the spline
Use a thorough gauge to check if the spline parameters are correct.
9. Check other accessories
Check whether other accessories are complete, such as screws, nuts, gaskets, and other accessories.
What are the Most Common Problems that Occur with Steering Joints and Coupling?
1. The universal joint quality is too poor to cause various problems.
For example, the universal joint clearance is too large, which causes the steering wheel to have a false position and is not sensitive.
The universal joint does not fit smoothly, and there is a snag in the rotation; this can lead to jerky and uneven steering.
Poor quality of the universal joint grease seal, resulting in grease leakage, will significantly reduce the service life of the steering shaft.
2. Spline parameter error.
For steering joints, spline parameters are critical. The product will not be installed and used if the spline is wrong.
What is our Solution?
For these problems, we offer the perfect solution.
1. We use the world’s best brand “Wanxiang” for universal joints, the best supplier globally.
The gap in the universal joint, jamming, and grease seal leakage can be avoided entirely.
2. To address the problem that spline parameters are prone to errors, we have made unique spline through gauges for each spline specification and bore. Make sure every spline is thoroughly inspected to avoid any wrong product in your hand.
Production Process of The Steering Joint and Coupling
Here is the production process of steering joints and couplings to let you know how they are made.
- 1 . Make a drawing.
Draw the drawing according to the OE sample.
- 2. Make the mold.
Make the mold of the yokes, spline head, and rubber disk.
- 3. Produce roughs.
Produce the roughs of each part, stamped roughs, forged roughs, or casting roughs.
- 4. Make the rubber disk.
Production of the rubber disk.
- 5. Make the machining.
Machining of these steel parts, turning, drilling and milling.
- 6. Make the spline.
Machining splines.
- 7. Assemble.
Assemble all parts; we buy u joint from “Wanxiang,” the No. 1 brand in the world.
- 8. Make the surface treatment.
Different surface treatments for products according to other products and customer requirements. Painting, electrophoresis, phosphating, galvanizing, zinc-nickel alloy, natural color, etc.
- 9. Laser mark.
Laser mark your logo on the steering joint and coupling surface.
- 10. Packaging.
Bagging and packing them.
Inspection Process of Steering Joint and Coupling
- 1. Roughs inspection.
Every rough will be inspected before machining to avoid any defective and missing roughs in the following process.
- 2. Machined parts inspection.
Each machined part will be fully inspected, first by the supervisor of the first inspection, then by the production line workers each full inspection; the inspector will also regularly perform random checks; once found that there is a dimensional failure of the product, it must be immediately dealt with.
- 3. After surface treatment inspection.
Every part that has been surface treated must be thoroughly inspected, and any defective ones cannot flow into the following process.
- 4. Assembled parts inspection.
The workers will self-inspect each product during the assembly process, and the inspectors will also conduct random inspections at regular intervals. Mainly check whether there is clearance in the universal joint and whether there is clearance in the spline shaft and shaft tube fit.
- 5. Finished product inspection.
All finished products will be inspected individually, including checking the appearance and measuring the size, angle, and clearance.
- 6. Performance Testing.
A few randomly selected finished products to do performance testing. Mainly do static torsion test; the test results must reach 300NM or more. Next, do the gap fit test; the test result needs the gap to be less than 0.03mm. Finally, do the fatigue test 1 million times; the test result requires the product to be intact.
- 7. Package inspection.
Packaging is also a full inspection of each product, mainly to see whether the laser typing on the product, bags, boxes, labels, and markings meet customer requirements.
Steering Joint and Coupling Package
We offer two packaging models. The first is your branded packaging, and the second is neutral packaging. Whatever your packaging requirements, please let us know, and we’ll take care of it for you!
Brand Packing
- 1. Laser marking your logo on product.
- 2. Put the product in your branded colorful bag.
- 3. Put the bag into your branded colorful box.
- 4. Stick your brand label onto your box.
- 5. Put the boxes into your branded colorful carton.
- 6. Stick your shipping mark onto cartons.
- 7. Make the cartons to pallet or wooden box.
Neutral Packing
- 1. Put the product into white bag.
- 2. Put the bag into neutral brown box.
- 3. Stick neutral label onto box.
- 4. Put the boxes into neutral brown carton.
- 5. Stick your shipping mark onto cartons.
- 6. Make the cartons to pallet or wooden box.
What People are Saying About Us?
FAQ about Our Steering Joint and Coupling
These are the most frequently asked questions. If you cannot find an answer here, please get in touch with us via email.
- Check whether the product pictures are consistent.
- Also, verify that the product OE or standard primary manufacturer number is correct.
- Then, check if the applicable model and year are accurate.
- Finally, check if the product length and mounting dimensions are correct.
Accurate factory price, no intermediary.
We are a family business manufacturing located in Yuhuan city, China’s largest automotive chassis parts zone. There are tens of thousands of factories of automotive chassis parts here. So you can find any chassis parts here.
Usually, the minimum order quantity for the steering joint is 100 pcs, and for the steering shaft, the minimum order quantity is 50 pcs.
Yes, we offer free samples for your test.
All products from 1A Steering Shaft are covered with a 12 Months warranty from the date of installation or 18 Months warranty from the shipment date, whichever comes earlier.
We offer EXW, FOB, CFR, CIF, and Door to Door delivery terms.
- Pay 30% in advance and 70% before shipment by T.T.
- 100% payment before shipment by T.T.
- 100% payment aginst BL copy by T.T.
- 100% payment 30 days from shipping date by T.T.
All shipment products are documented, and we provide OEM services to many brands without any information about our manufacturer of the goods. Any drawings, operating instructions, test reports, etc., belong to the brand owner.
Usually, for old products, the lead time will be less than 45 days; for newly developed products, the lead time will be 60 days.
Yes, custom service is our leading service, tell us your requirements, and we’ll take care of the rest.
Yes, the brand colorful package service is our leading service; it contains laser marking your logo on the product surface or roughs, printing your brand colorful bag, printing your brand labels, make your brand colorful box and cartons.
Our brand-colorful package service is the perfect way to ensure your product stands out in the market. We offer a wide range of customizations that can help you get the most out of your product. Our team specializes in laser marking, which allows us to place your logo or design onto the surface of any product with precision and accuracy.
- Provide samples, and we will make drawings, or you can provide us with detailed production drawings.
- Then, make a mold and produce a few roughs.
- Produce pre-production samples and send them to you for confirmation.
- After your side approves the samples, we will start mass production.
- If you do not confirm the sample, we will make changes according to your requirements and resend the sample to you until you approve the sample.
- After the mass production, you can arrange for a third party to inspect the goods, or we will send you samples of large goods for your inspection.
- After you approve, we will ship your goods.
Who paid for the mold, and who owns the mold.
Send Us Your Inquiry Now!
Please fill out the form on the right to send us an inquiry. We always want to ensure that our customers get the best deal, so let us know what you’re interested in, and we’ll get back with a quote!