Weinig Profimat 23 E - Page 72

Tech. Dok. / L23 880 02 / 05.99.01 © MICHAEL WEINIG AG
Troubleshooting
7-6 Profimat 23 E
a) Workpiece wobbles because pressure
elements not set correctly
a) Pressure elements at top and front of
left-hand spindle set to too strong a
value
b) Feed beam too high
a) Top feed rollers set incorrectly
b) Pressure elements set incorrectly from
the left
a) Raw timber with too little oversize
b) Excessive chip removal at the
straightening spindle
c) Feed rate too high
a) Feed rate too low, tool scrapes
b) Timber has briefly stopped in the
machine
c) Tool is blunt
a) Irregular chip removal on opposite
sides or when timber is strongly
profiled
b) Timber has been dried incorrectly
Remedy fault
No.
Possible cause
Fault
Irregular marks on
the top over the full
length of the work-
piece
Timber does not run
through the machine
(congestion)
Timber wanders away
from fence
Feed roller impres-
sions visible on the
surface of the timber
Burn marks in the
timber
Timber warps after
machining
b) Set pressure elements correctly
a) Reduce hold-down pressure of lateral
and upper pressure elements
b) Adjust height of feed beam
a) Set feed rollers to middle of workpiece
b) Check all pressure elements
a) Use raw timber with larger oversize
b) Reduce chip removal on straightening
spindle
c) Reduce hold-down pressure of feed
a) Increase feed rate (cutter mark
calculation)
b) Do not leave test timber under one
spindle for too long when working at
inching feed rate
c) Regrind tool
a) Uniform chip removal on both sides
b) Use well seasoned timber with uniform
moisture content in core and exterior
wood
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