6
Malfunctions
6.1
Malfunctions on the metal band saw
Malfunction
Saw motor overloading
Cooling agent feed not working
The saw belt stops when
sawing, but the motor operates
Short life of saw belt
(Teeth blunt)
Breakage of tooth
Breakage of the saw blade
Twisted cut (saw blade
deviating)
Cut not rectangular but parallel
Malfunctions
Version 1.6.4 - 2020-08-05
Cause/
possible effects
•
Suction of motor cooling air hindered
•
Motor not correctly fixed
•
Power unit for saw blade not properly
fixed
•
Cooling agent tank empty
•
Cooling agent tap locked
•
Cooling agent tap blocked
•
Cooling agent duct bent or blocked
•
Air in the system, e.g. after refilling
•
Pump doesn't work
•
Insufficient saw belt tension
•
V-belt tension
•
Quality of saw belt not suitable for
this material
•
An incorrect tooth spacing causes
breakage of teeth (the broken tooth
in the workpiece blunts the other
teeth)
•
Missing cooling
•
Cutting speed to high
•
Feed too high
•
The chip space in the saw belt is
overcharged, tooth pitch incorrect
•
Tension in the saw belt too high or
too low
•
Saw belt defective
•
Saw belt guide adjusted incorrectly
•
Distance between guide and work-
piece too high
•
Saw belt blunt
•
Too low saw blade tension
•
Feed too high
•
Cutting pressure too high
•
Saw blade defective (irregular set)
•
Wrong saw belt guidance
•
Material does not rest on both vice
jaws
•
metal band saw not adjusted to 90
Translation of original instruction
Solution
•
Check and clean
•
Requires technical service! Have the
machine repaired in the workshop
•
Fill
•
Open
•
Clean
•
Check and clean
•
Bleed by briefly withdrawing the
pressure hose
•
Start pump
•
Check saw belt
•
Check tension of V-belt
•
Saw belt of higher quality (bimetallic
blade)
•
Select correct tooth pitch
•
Use coolant equipment
•
Reduce cutting speed
•
Reduce feed
•
Use saw belt with a different tooth
pitch or reduce feed
•
Check tension of saw belt
•
Replacing
•
Adjust blade guide correctly
•
Bring the guide as close to the work-
piece as possible
•
Replace
•
Tighten correctly
•
Reduce
•
Reduce
•
Replace
•
Readjust
•
Insert material properly
0
•
Adjust clamps correctly
S181 | S181G
EN
85