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BA_BM_HS-300-LARGE_EN_45-21.docx
Models with Vacuum Clamping Unit
Fault
Possible Cause
Remedy
Operating vacuum is not
achieved or is too weak and
the pump runs without inter-
ruption
Dust / chips / dirt between
workpiece and clamping device
→
Remove contamination
Vacuum hoses leaking
→
Replace vacuum hoses
Vacuum hoses kinked
→
Lay hoses correctly
Seal defective / incorrectly fitted
→
Replace / install correctly
Clamping surface damaged
Workpiece incorrectly machined
→
Contact customer service
Vacuum pump does not start
Pump motor defective
→
Contact customer service
Insufficient holding force for
workpiece machining
Clamping surface too small
→
Reduce load
Vacuum hoses are
too narrow or too long
→
Increase diameter
or shorten hoses
Vacuum hoses are clogged
→
Remove blockage
Suction cups do not close
tightly to the workpiece,
workpiece surface is too rough
or rubber sealing is porous
→
Use suitable suction cups
→
Check rubber seal
→
Install stronger pump
3
3
A vacuum pump with 4.6 m3/h (instead of 3.0 m3/h) is available (Art. No. 210.450.00).
