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Machine sawing tools \ Processing and machining technology - Sawing

Troubleshooting guidelines for bandsaw blades

Wear on teeth Wear on both sides of the teeth Wear on one side of the teeth
ƒ Larger tooth pitch in the case that saw blade ƒ Check side guide and, if necessary, adjust band ƒ Drive wheels
clogs with chips width ƒ Side guides
ƒ Improve coolant supply or use correct coolant
ƒ Change band or feed speed
ƒ Saw blade was not retracted

Discoloured tooth tips due to excessive fric- Teeth breaking away Chips welded on tooth tips (cold welding)
tional heat ƒ Improve chip clearance ƒ Improve coolant supply or use correct coolant
ƒ Improve coolant supply or use correct coolant ƒ Use appropriate tooth pitch ƒ Change band or feed speed
ƒ Change band or feed speed ƒ Optimise workpiece clamping ƒ Chip brush - improve chip clearance

Breakage of carrier material or cracks originat- Breakage of carrier material or cracks originat- Breakage of welding seam
ing from tooth spaces ing from band backing ƒ Change feed speed
ƒ Change feed speed ƒ Change feed speed ƒ Reserve/band/side guide
ƒ Adjust pre-clamping/band clamping ƒ Reserve guide/band guide ƒ Adjust pre-clamping/belt clamping
ƒ Adjust pre-clamping/band clamping

Jamming and material adhesion on the saw Used belt is “short” on the cutting edge Broken belt exhibits distortion over the belt
blade ƒ Change feed speed length
ƒ Optimization of the feed ƒ Drive wheels ƒ Change feed speed
ƒ Optimization of the saw blade form ƒ Side guides ƒ Side/reserve and band guide
ƒ Coolant optimization ƒ Adjust pre-clamping/band clamping
ƒ Drive wheels

Tool break
ƒ Re-sharpen tool
ƒ Reduce cutting speed

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 170

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