Item Description

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Our Companies

1. Expert Maker: All of our Fastener are created and produced according to Buyers’ pecification and overall performance.

two. Top quality is certain: Durability screening and essential technical design to improve fasteners Life time.

three. Price effective: Competitive prices with specialist manufacturing facility source excellent fastening remedy with much more than 15 a long time experiences to fix your issue, vast variety of parts choice.

4. Customized Excellent Fasteners: Tailored providers in accordance to the samples and drawings Presented

About Us

HangZhou Changjun Industrial Co.,Ltd was started in 2006, and is situated in HangZhou Metropolis,ZheJiang , Province, China.It is a skilled high-precision components processing manufacturing unit integrating R&D,manufacturing and revenue,give clients a selection of high top quality fasteners.

Changjun gives the clients with a single-end OEM/ODM answer for components fields.

Our services contains higher-precision machining, drawing layout for new sample, non-regular particular-formed turning areas,individualized solution customization and so on.

As far, our showcased fastener items protect Healthcare areas,Automobile areas,Conversation parts,IT parts,Optical areas,Automation areas etc.
Changjun has robust technological energy, rich engineering experience and superior machining products. We have twenty five established CNC series machines which includes CNC machining heart,CNC lathe,CNC Automatic Main Strolling Machine,And also have sixty two precision computerized lathe.

We have a excellent present day tests technique.Our testing laboratory have far more than eighteen varieties of tests instrument and products,entirely guaranteeing merchandise good quality and efficiency and quick support.

After calendar year of improvement,Changjun has a lot of main creation patents and a variety of certificates of honor,licensed by

ISO9001:2015,ISO14001:2015,ISO13485:2016,IATF16949:2016.
The best and mature quality management program ensures the high quality of merchandise and boost the competitiveness of the company in the CNC precision processing sector.Step by Action as constantly!Better service to customers, make Changjun from superb to outstanding.
 

Certification

FAQ

Q1:Can I get a sample ahead of mass manufacturing?
A1: We can provide totally free sample if we have this in stock, as lengthy as you pay for the freight. If no stock,we can create for you after get sample price. guide time: 5-7 doing work days.

Q2:What is the direct time of the mass generation?
A2: Typically 7-15 working days, it relies upon on the amount.
 

Q3:How to guarantee the Top quality of Industrial Parts?

A3: We have been in fastener discipline over 10 many years with total experience. And there are 5 checks in the whole processing, We have IQC (incoming good quality handle), IPQCS (in procedure high quality management area), FQC (ultimate good quality handle) , OQC (out-likely high quality control) and full inspection to manage every approach of industrial areas production.

This autumn:What are our machining equipment?
A4:CNC milling equipment, CNC turning devices, stamping machines,grinding devices,automatic lathe machines, tapping devices, grinding machines,screw devices, slicing equipment and so on.

Q5:Will my drawing be safe after you get it?
A5: Indeed, we will not release your style to 3rd party unless with your authorization.

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Guide to Drive Shafts and U-Joints

If you’re concerned about the performance of your car’s driveshaft, you’re not alone. Many car owners are unaware of the warning signs of a failed driveshaft, but knowing what to look for can help you avoid costly repairs. Here is a brief guide on drive shafts, U-joints and maintenance intervals. Listed below are key points to consider before replacing a vehicle driveshaft.

Symptoms of Driveshaft Failure

Identifying a faulty driveshaft is easy if you’ve ever heard a strange noise from under your car. These sounds are caused by worn U-joints and bearings supporting the drive shaft. When they fail, the drive shafts stop rotating properly, creating a clanking or squeaking sound. When this happens, you may hear noise from the side of the steering wheel or floor.
In addition to noise, a faulty driveshaft can cause your car to swerve in tight corners. It can also lead to suspended bindings that limit overall control. Therefore, you should have these symptoms checked by a mechanic as soon as you notice them. If you notice any of the symptoms above, your next step should be to tow your vehicle to a mechanic. To avoid extra trouble, make sure you’ve taken precautions by checking your car’s oil level.
In addition to these symptoms, you should also look for any noise from the drive shaft. The first thing to look for is the squeak. This was caused by severe damage to the U-joint attached to the drive shaft. In addition to noise, you should also look for rust on the bearing cap seals. In extreme cases, your car can even shudder when accelerating.
Vibration while driving can be an early warning sign of a driveshaft failure. Vibration can be due to worn bushings, stuck sliding yokes, or even springs or bent yokes. Excessive torque can be caused by a worn center bearing or a damaged U-joint. The vehicle may make unusual noises in the chassis system.
If you notice these signs, it’s time to take your car to a mechanic. You should check regularly, especially heavy vehicles. If you’re not sure what’s causing the noise, check your car’s transmission, engine, and rear differential. If you suspect that a driveshaft needs to be replaced, a certified mechanic can replace the driveshaft in your car.

Drive shaft type

Driveshafts are used in many different types of vehicles. These include four-wheel drive, front-engine rear-wheel drive, motorcycles and boats. Each type of drive shaft has its own purpose. Below is an overview of the three most common types of drive shafts:
The driveshaft is a circular, elongated shaft that transmits torque from the engine to the wheels. Drive shafts often contain many joints to compensate for changes in length or angle. Some drive shafts also include connecting shafts and internal constant velocity joints. Some also include torsional dampers, spline joints, and even prismatic joints. The most important thing about the driveshaft is that it plays a vital role in transmitting torque from the engine to the wheels.
The drive shaft needs to be both light and strong to move torque. While steel is the most commonly used material for automotive driveshafts, other materials such as aluminum, composites, and carbon fiber are also commonly used. It all depends on the purpose and size of the vehicle. Precision Manufacturing is a good source for OEM products and OEM driveshafts. So when you’re looking for a new driveshaft, keep these factors in mind when buying.
Cardan joints are another common drive shaft. A universal joint, also known as a U-joint, is a flexible coupling that allows one shaft to drive the other at an angle. This type of drive shaft allows power to be transmitted while the angle of the other shaft is constantly changing. While a gimbal is a good option, it’s not a perfect solution for all applications.
CZPT, Inc. has state-of-the-art machinery to service all types of drive shafts, from small cars to race cars. They serve a variety of needs, including racing, industry and agriculture. Whether you need a new drive shaft or a simple adjustment, the staff at CZPT can meet all your needs. You’ll be back on the road soon!

U-joint

If your car yoke or u-joint shows signs of wear, it’s time to replace them. The easiest way to replace them is to follow the steps below. Use a large flathead screwdriver to test. If you feel any movement, the U-joint is faulty. Also, inspect the bearing caps for damage or rust. If you can’t find the u-joint wrench, try checking with a flashlight.
When inspecting U-joints, make sure they are properly lubricated and lubricated. If the joint is dry or poorly lubricated, it can quickly fail and cause your car to squeak while driving. Another sign that a joint is about to fail is a sudden, excessive whine. Check your u-joints every year or so to make sure they are in proper working order.
Whether your u-joint is sealed or lubricated will depend on the make and model of your vehicle. When your vehicle is off-road, you need to install lubricable U-joints for durability and longevity. A new driveshaft or derailleur will cost more than a U-joint. Also, if you don’t have a good understanding of how to replace them, you may need to do some transmission work on your vehicle.
When replacing the U-joint on the drive shaft, be sure to choose an OEM replacement whenever possible. While you can easily repair or replace the original head, if the u-joint is not lubricated, you may need to replace it. A damaged gimbal joint can cause problems with your car’s transmission or other critical components. Replacing your car’s U-joint early can ensure its long-term performance.
Another option is to use two CV joints on the drive shaft. Using multiple CV joints on the drive shaft helps you in situations where alignment is difficult or operating angles do not match. This type of driveshaft joint is more expensive and complex than a U-joint. The disadvantages of using multiple CV joints are additional length, weight, and reduced operating angle. There are many reasons to use a U-joint on a drive shaft.

maintenance interval

Checking U-joints and slip joints is a critical part of routine maintenance. Most vehicles are equipped with lube fittings on the driveshaft slip joint, which should be checked and lubricated at every oil change. CZPT technicians are well-versed in axles and can easily identify a bad U-joint based on the sound of acceleration or shifting. If not repaired properly, the drive shaft can fall off, requiring expensive repairs.
Oil filters and oil changes are other parts of a vehicle’s mechanical system. To prevent rust, the oil in these parts must be replaced. The same goes for transmission. Your vehicle’s driveshaft should be inspected at least every 60,000 miles. The vehicle’s transmission and clutch should also be checked for wear. Other components that should be checked include PCV valves, oil lines and connections, spark plugs, tire bearings, steering gearboxes and brakes.
If your vehicle has a manual transmission, it is best to have it serviced by CZPT’s East Lexington experts. These services should be performed every two to four years or every 24,000 miles. For best results, refer to the owner’s manual for recommended maintenance intervals. CZPT technicians are experienced in axles and differentials. Regular maintenance of your drivetrain will keep it in good working order.

editor by czh 2023-01-04