FLENDER gear unit service for PVC window systems supplier

The subject of the carried out service works was the planned overhaul of a FLENDER type H3KH6A 060F 3700 extruder gear unit, during which wear and tear parts were replaced.

Industry	Project length
Plastics	6 weeks

Gearbox overhaul in the plastics industry

Key issues

The FLENDER gear unit required comprehensive service works due to:

Wear of mechanical components such as bearings, shafts, bushings and discs.
Seal leaks, which increased the risk of oil leaks and gear unit malfunction.
The need to regenerate key components, such as the input shaft and paint coat, to ensure their continued reliability.
The need to control the correctness of the gearing and mechanical parameters, which is key for device performance and durability.
Corrosion risk, which required specialist protection of exposed surfaces.

Customer expectations

Restoration of full functionality of the gear unit, according to FLENDER manufacturer’s guidelines.
To ensure the reliability and safety of the device in continued operation.
Use of only authorised procedures and parts, guaranteeing high quality repairs.
Long-term protection of components against mechanical damage and corrosion.
Detailed post-service report confirming that all activities have been carried out in accordance with the standards.
Guarantee for work carried out and components replaced.

Solution

As the only FLENDER Certified Service Partner in Poland, we carried out a comprehensive service of the gear unit in several stages:

1. Picking and inspection of parts according to manufacturer’s guidelines.
2. Replacement of key components, including:
All bearings and seals.
Shafts of the extruder section.
Output sleeve and sleeve 12.
Plate 11 and the pins connecting the gear unit to the extruder.
3. Regeneration of components, such as:
The input shaft at the sealer working area.
Paint coating and anti-corrosion protection.
4. Precise alignment of gears and checking the correctness of the mechanism.
5. Carrying out movement tests on the test bench, including:
Idle operation for 2 hours.
Temperature and vibration measurements for bearing units.
6. Final protection for transport:
Labelling and packaging in accordance with the manufacturer’s instructions.

Serwis przekładni Flender w branży tworzyw sztucznych

After the carried out works and movement tests:

The gear unit worked properly, with no leaks or deviations from the manufacturer’s standards.

Stable temperature and lack of mechanical abnormalities confirmed the high quality of service works.

The client received a detailed report and a guarantee for the work carried out and parts replaced.

Summary

The implementation of the FLENDER gear unit service met all the customer’s expectations, restoring the device to full functionality.

By using the manufacturer’s authorised procedures and parts, the company has ensured the reliability of the gear unit and its compliance with performance standards.

Key benefits for the client:

The gear unit is ready for further operation, with a 12-month quality guarantee.
Detailed documentation confirms the carried out activities were professional and complied with the manufacturer’s guidelines.
Regeneration and anti-corrosion protection have increased the durability of the device, reducing the risk of future failures.

FLENDER gear unit service for PVC window systems supplier

Key issues

Customer expectations

Solution

After the carried out works and movement tests:

Summary

Key benefits for the client:

See also

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