News

What is the damage repair method for the injection screw of the injection molding machine?

Update:14-07-2020
Abst:

When disassembling the screw, special things should be […]

When disassembling the screw, special things should be used, and it is not allowed to strike with a heavy hammer. The specific disassembly steps are as follows:
① Disassemble the nozzle and the connecting piece between the nozzle and the barrel.
② Separate the key joint at the rear of the screw from the drive shaft.
③ Disassemble the connecting flange and move the screw forward.
④When the screw head reveals the barrel, immediately disassemble the screw head to engage the thread (note: most of the threads here are left-handed).
⑤ Disassemble the check ring and sealing ring on the screw.
⑥ The nozzle, check ring, sealing ring and screw that have been disassembled should be cleaned up with copper brushes and spatulas while still hot. Special hard-to-finish adhesive materials should be heated in an oven at the lowest temperature that can soften the material, and then remove the residue.
⑦Assemble the parts on the screw together, and the thread joints should be coated with molybdenum disulfide heat-resistant grease to facilitate disassembly next time.
⑧ Screws that are not in use should be coated with protective oil after being cleaned, wrapped and hung in a ventilated and safe place.

0
CONTACT US