18
FluidConnectors
Parker Hannifin Corporation
Tube Fittings Division
Columbus, OH
Bulletin 4390-974250
Cut 250 Saw Use and Maintenance Manual
RIDGES ON THE
Blade diamenter incorrect and/or too
CUTTING SURFACE
large
Ineffective gripping of the part in the vice
Fast advance
Blade teeth are worn
Insufficient lubricating fluid
Teeth do not disperse shavings well
FAULT
PROBABLE CAUSE
REMEDY
BLADE VIBRATION
Incorrect tooth pitch
Unsuitable tooth profile
Ineffective gripping of the part in the vice
Dimensions of the solid section too large
with respect to the maximum admissible
cutting dimensions
Blade diameter incorrect and/or
too large
Choose a suitable blade.
See Chapter “Material classification and choice of
blades”.
Choose a suitable blade.
See Chapter “Material classification and choice of
blades” in the paragraph on
Type of blades.
Check the gripping of the part.
Refer to the instructions.
Decrease the blade diameter, adapting it to the dimensions of
the part to be cut. The cutting part of the blade must not be
too large for the shape of the part to be cut.
Decrease the blade diameter, adapting it to the dimensions of
the par to be cut. The cutting part of the blade must not be too
large for the shape of the part to be cut.
Check the gripping of the part.
Decrease advance. Exert less cutting pressure.
Sharpen the blade.
Check the level of the liquid in the tank. Increase the flow of
lubricant fluid. Check that the hole and the fluid outlet tube
are not blocked.
Choose a blade with a larger tooth pitch that allows better
unloading of shavings and that holds more lubricating fluid.
CRODICED CUTS
Fast advance
Ineffective gripping of the part in the vice
Blade head not straight
Blade sides differently sharpened
Blade thinner than the commercial
standard
Dirt on the gripping device
Decrease advance. Exert less cutting pressure.
Check the gripping of the part.
Adjust the head.
Choose tool quality carefully in every detail as regards type
and construction characteristics.
Carefully clean the laying and contact surfaces.
BLADE STICKS IN
THE CUT
Fast advance
Low cutting speed
Wrong tooth pitch
Accumulation of material on the blade
Insufficient lubricating fluid
Decrease advance. Exert less cutting pressure.
Increase speed.
Choose a suitable blade.
See Chapter “Material classification and choice of blades.”
Check the blend of lubricating coolant and choose a better
quality blade.
Check the level of the liquid in the tank. Increase the flow of
lubricating fluid. Check that the hole and the liquid outlet tube
are not blocked.
