Product Description
JHM Series Gearbox For Vertical Type Single Screw Extruder
Company Information
Established in 1979, HangZhou Gearbox Manufacturing Co., Ltd. is located in National High-tech Development Zone of HangZhou, ZheJiang , China. With more than 38 years’ experience in research and development of gear transmission products, the factory covers an area of 87,000 square meters. ISO9001 certified in 1999, we have high qualified R&D engineer team and manufacturing talents as well as first-class processing and testing equipments.
Product Description
JHM/JHML\ZLYJ\ZSYJ Series gearbox is a drive device with high-precision and hard tooth surface and thrust bearing designed to match with screw extruders. It is designed according to standard ZBJ19009-88. The main parts are made of high strength alloy steel. The gears are manufactured by way of carburizing quenching hardening, and gear grinding. Its precision is up to Grade 6 (GB10095-88). Thrust bearing with over-specification is mounted on the front end of hollow output shaft to accommodate screw back pressure forces. The whole unit is small volume, high carry capacity, stable drive, low noise and high efficiency.
Technical Parameter:
| Centre distance of low speed stage(mm) | Ratio(i) | Screw diameter(mm) | Allowable output torque(N. m) | Allowable axial thrust(kN) |
| 112 – 800 | 6.3 – 90 | 30 – 250 | 510 – 183600 | 35 – 1200 |
Our factory:
FAQ
Are you trading company or manufacturer ?
A: We are manufacturer.
Q: How long is your delivery time?
A: Generally it is within 10 days if the goods are in stock, for goods produced as per order, it is within 35 days after confirmation of order.
Q:How long should I wait for the feedback after I send the enquiry?
A: Normally Within 12 hours.
Q:What information should I give you to confirm the product?
A: Model/Size, Transmission Ratio, Speed, Shaft directions & Order quantity etc.
Q: Hong long is your product warranty?
A:We offer 12 months warranty from departure date of the goods.
Q: What is your payment terms?
T/T 100% in advance for amount less than USD10000.-, 30% T/T in advance ,balance before shipment for amount above USD10000.
| Application: | Machinery, Agricultural Machinery, Plastic and Rubber Extrusion |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Cylinder |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|
Common Problems with Gearboxes and How to Troubleshoot Them
Gearboxes can encounter various issues over time. Here are some common problems and troubleshooting steps:
- Noise and Vibration: Excessive noise or vibration may indicate misalignment, worn gears, or insufficient lubrication. Check alignment, inspect gears for wear, and ensure proper lubrication.
- Overheating: Overheating can be caused by high friction, inadequate lubrication, or overloading. Verify lubrication levels, reduce loads, and ensure proper ventilation.
- Leakage: Oil leaks may result from worn seals or gaskets. Inspect and replace damaged seals, and ensure proper sealing.
- Reduced Performance: Decreased performance could be due to worn gears, damaged bearings, or misalignment. Inspect components, replace damaged parts, and realign as needed.
- Gear Wear and Tooth Damage: Wear on gear teeth can result from excessive loads or poor lubrication. Replace worn gears and ensure proper lubrication.
- Shaft Misalignment: Shaft misalignment can lead to increased wear and noise. Realign shafts using precision measurement tools.
- Lubrication Issues: Inadequate or contaminated lubrication can cause premature wear. Regularly check and replace lubricant, and use the correct type for your gearbox.
- Bearing Failure: Bearing failure may result from overload, misalignment, or inadequate lubrication. Replace worn bearings and address underlying issues.
- Seal Damage: Damaged seals can lead to leaks and contamination. Replace seals and ensure proper installation.
- Gearbox Lockup: Gearbox lockup may occur due to foreign objects or damaged components. Disassemble and inspect the gearbox, removing any obstructions and replacing damaged parts.
Regular maintenance, proper lubrication, and timely troubleshooting are key to addressing gearbox problems and ensuring smooth operation.
editor by CX 2023-09-23