Twin Screw Gearbox Extruder Repairs

We P.G. Drive are Manufacturers, Exporters & Leading Suppliers of Twin Screw Gearbox Extruder Repairs Located in Mumbai, India.


A twin-screw gearbox is a crucial component in many industrial processes, particularly in plastics and food extrusion. It's a complex piece of machinery that requires specialized knowledge and tools to repair properly.

At P G Drive, we follow the following steps to ensure proper service of the twin screw extruder gearboxes

1. Initial Diagnosis and Disassembly
?The repair process begins with a thorough diagnosis to identify the root cause of the failure. This involves checking for signs of wear, noise, vibration, and overheating. The gearbox is then carefully disassembled, a process that requires special care to avoid damaging the components. **. The gears, shafts, bearings, and housing are meticulously inspected for wear, pitting, cracks, or any other damage.

2. Component Inspection and Replacement
All parts are cleaned and inspected using various techniques, including visual inspection, magnetic particle testing, and dye penetrant inspection. Bearings are often the first to fail and are usually replaced as a matter of course. The gears are inspected for wear patterns and pitting on the tooth flanks. If the wear is minor, they can sometimes be re-machined; however, severely worn or damaged gears must be replaced. The shafts are checked for straightness, concentricity, and keyway wear. Any worn or damaged components are replaced with high-quality OEM or equivalent parts to ensure the longevity of the repair.

3. Reassembly and Alignment
Once all components have been inspected and either repaired or replaced, the gearbox is reassembled in a clean environment. This is a critical step that requires precise attention to detail. The gears must be properly aligned to ensure correct tooth contact, which is essential for smooth operation and long service life. **. Proper bearing preload and clearance must also be set according to the manufacturer's specifications. The use of specialized tools, such as dial indicators and feeler gauges, is crucial for accurate alignment.

4. Testing and Final Installation
After reassembly, the gearbox undergoes a series of tests to ensure it is functioning correctly. This includes a no-load test run to check for unusual noise or vibration, as well as a temperature check to ensure it doesn't overheat. Lubricant quality and level are also verified. After the final checks, the gearbox is ready for installation back into the machine. The final step is to ensure it is properly aligned with the motor and the extruder screws to prevent premature failure. P G Drive over many years of experience and expertise in design and development of twin-screw gearboxes is capable of supporting customers for manufacturing and repair of any make twin screw gearboxes.

We have experience of working on the following brands of twin-screw extruders and its gearboxes
1. EISENBEISS GEARBOX REPAIR
2. ZAMBELLO GEARBOX REPAIR
3. PIV GEARBOX REPAIR
4. SIEMENS GEARBOX REPAIR
5. FLENDER GEARBOX REPAIR
6. COPERION GEARBOX REPAIR
7. ZSK GEARBOX REPAIR
8. STS GEARBOX REPAIR
9. CTE GEARBOX REPAIR
10. THYSSEN GEARBOX REPAIR
11. BERSTORFF GEARBOX REPAIR
12. LEISTRIZ GEARBOX REPAIR
13. KRAUSS MAFFEI GEARBOX REPAIR