Product Description
Ultra high molecular weight polyethylene (UHMW-PE) is linear polyethylene with an average molecular weight of more than 1.5 million. Due to its high molecular weight (ordinary polyethylene 20-300,000), UHMW-PE has incomparable comprehensive performance of ordinary polyethylene and other engineering plastics:
1) High wear resistance, 4 times higher than nylon 66 and ptfe, 6 times higher than carbon steel, is the best of all synthetic resins at present.
2) High impact strength, 2 times of polycarbonate, 5 times of ABS, and can maintain high toughness at liquid nitrogen temperature (-196ºC).
3) Good self-lubrication, its self-lubrication is similar to ptfe, friction coefficient is only 0.07-0.11; Only the steel friction coefficient of 1/3-1/4.
4) The absorption value of impact energy is the highest in all plastics, and the effect of noise elimination is very good.
5) High chemical stability, in a certain range of temperature and concentration can withstand the action of various corrosive media and organic media.
6) Strong adhesion resistance, second only to the “plastic king” PTFE.
7) Completely sanitary and non-toxic, can be used to contact with food and drugs.
8) The density is the smallest in all engineering plastics, 56% lighter than ptfe, 22% lighter than polycarbonate; One eighth the density of steel, and so on
Our company uses more than 5 million molecular weight of raw materials production, because of the above excellent comprehensive performance, UHMW-PE is known as the “amazing plastic” by European countries and has been widely used in many industries. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Standard: | GB |
|---|---|
| Material: | Nylon |
| Head Type: | Round |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
How do I properly install and align sprocket gears?
Proper installation and alignment of sprocket gears are crucial to ensure smooth and efficient power transmission and to prevent premature wear. Here are the steps to properly install and align sprocket gears:
1. Gather the Required Tools:
Before starting the installation process, gather all the necessary tools, including a torque wrench, measuring tools (calipers or micrometers), leveling tools, and alignment tools.
2. Clean the Components:
Thoroughly clean the sprocket gears and the shafts on which they will be mounted. Remove any dirt, debris, or old lubricant to ensure proper contact between the components.
3. Check for Damage:
Inspect the sprocket gears for any signs of damage, wear, or deformation. If any issues are found, replace the damaged components before proceeding.
4. Ensure Proper Fit:
Ensure that the bore diameter of the sprocket gear matches the diameter of the shaft on which it will be mounted. The fit should be neither too loose nor too tight, and the keyway (if present) should align properly with the key on the shaft.
5. Align Sprocket Gears:
For chain and sprocket systems, align the sprocket gears precisely with each other. The teeth of the driving and driven sprockets should mesh smoothly with the chain. For belt drive systems, ensure the sprocket gears align with each other and the belt tracks properly within the sprockets.
6. Check Axial Alignment:
Ensure that the sprocket gears are axially aligned with each other and perpendicular to their respective shafts. Any misalignment can cause premature wear and noise during operation.
7. Set Tension:
If using a chain and sprocket system, adjust the tension of the chain to the manufacturer’s specifications. Proper tension ensures optimal power transmission and extends the life of both the chain and sprocket gears.
8. Lubricate:
Apply the appropriate lubricant to the sprocket gear teeth and the chain or belt as required. Lubrication reduces friction, heat, and wear during operation.
9. Torque Fasteners:
If the sprocket gears are held in place with fasteners (such as set screws or bolts), torque them to the recommended specifications. This ensures that the sprocket gears are securely attached to the shafts and will not slip during operation.
10. Perform a Trial Run:
After installation, run the system at low speed and observe its performance. Check for any unusual noise, vibration, or misalignment. If any issues are detected, stop the system immediately and address the problem.
Following these steps will help ensure that the sprocket gears are properly installed and aligned, leading to reliable and efficient power transmission in your mechanical system.
How do I identify the signs of wear and tear in a sprocket gear?
Regular inspection of sprocket gears is essential to identify signs of wear and tear early on and prevent potential issues that could lead to system failure or reduced performance. Here are some common signs to look for when inspecting sprocket gears:
1. Tooth Wear: Examine the teeth of the sprocket for signs of wear. Wear can manifest as rounding of the tooth profile or a reduction in tooth height. Excessive wear can lead to poor engagement with the chain, resulting in chain skipping and decreased efficiency.
2. Surface Damage: Check the surface of the sprocket teeth for any signs of chipping, cracking, or pitting. Surface damage can occur due to foreign particles, misalignment, or inadequate lubrication.
3. Chain Stretch: Measure the chain’s length to check for elongation or stretch. A stretched chain can cause uneven wear on the sprocket teeth and affect the overall performance of the system.
4. Looseness: Inspect the sprocket for any signs of looseness or play. A loose sprocket can lead to noise, vibration, and premature wear of both the sprocket and the chain.
5. Corrosion: If the sprocket is exposed to corrosive environments, check for signs of rust or corrosion. Corrosion can weaken the sprocket and reduce its load-carrying capacity.
6. Lubrication: Evaluate the condition of the lubricant and ensure the sprocket is adequately lubricated. Insufficient lubrication can accelerate wear and cause friction-related issues.
Regular maintenance and lubrication can help extend the life of sprocket gears and prevent premature wear. If any signs of wear and tear are detected during the inspection, it is crucial to address the issue promptly. Depending on the severity of the wear, repair or replacement of the sprocket gear may be necessary to ensure the proper functioning and safety of the system.
What are the different types of sprocket gears and their applications?
Sprocket gears come in various types, each designed for specific applications based on their unique characteristics. Here are some of the different types of sprocket gears and their applications:
- 1. Plain Sprocket: Plain sprockets are the most basic type, consisting of a wheel with evenly spaced teeth. They are commonly used in simple power transmission systems and light-duty applications where precise timing is not critical.
- 2. Idler Sprocket: Idler sprockets are used to guide and tension the chain in a sprocket system. They do not connect directly to a power source but play a crucial role in maintaining proper chain tension and alignment.
- 3. Roller Chain Sprocket: Roller chain sprockets are designed to work with roller chains, which have rollers that engage with the sprocket teeth. They are widely used in applications like bicycles, motorcycles, industrial machinery, and conveyor systems.
- 4. Silent Chain Sprocket: Silent chain sprockets, also known as inverted-tooth chain sprockets, are used with silent chains. These sprockets have specially shaped teeth that engage smoothly with the chain, resulting in quieter operation.
- 5. Engineering Class Sprocket: Engineering class sprockets are heavy-duty sprockets used in industrial applications like construction equipment, mining machinery, and agricultural machinery. They are designed to withstand high loads and harsh operating conditions.
- 6. Taper-Lock Sprocket: Taper-lock sprockets have a tapered bore and are mounted on shafts using a locking bushing. They provide a secure and easy-to-install connection and are commonly used in power transmission systems.
- 7. Rack and Pinion: While not a traditional sprocket gear, rack and pinion systems use a linear rack with teeth that mesh with a pinion gear. This combination is used in applications where rotational motion needs to be translated into linear motion, such as in steering systems and CNC machines.
The choice of sprocket gear depends on factors such as the type of chain or belt used, the desired gear ratio, the amount of load the system will handle, and the specific requirements of the application. Each type of sprocket gear offers unique advantages and is tailored to meet the needs of different industries and machinery.
editor by Dream 2024-05-08