Bandsaw Operations

SYMPTOM

 

POSSIBLE CAUSE

 

CORRECTIVE ACTION

Machine is loud when

1.

Excessive feed rate.

1.

Refer to Feed Rate on Page 25, or Blade Speed

cutting or bogs down in

 

 

 

on Page 23 and adjust as required.

the cut.

2. The blade TPI is too great, or the

2. Refer to Blade Selection on Page 23 and adjust as

 

 

material is too coarse.

 

required.

Blades break often.

1.

Blade is not tensioned correctly.

1.

Check to see that blade is not excessively tight or

 

 

 

 

too loose.

2.The workpiece is loose in the vise. 2. Clamp the workpiece tighter, or use a jig to hold the

workpiece.

 

3.

The feed or cut speed is wrong.

3.

Refer to Feed Rate on Page 25, or Blade Speed

 

 

 

 

on Page 23, and adjust as required.

 

4.

The blade TPI is too great, or the

4.

Refer to Blade Selection on Page 23, and adjust

 

 

material is too coarse.

 

as required.

 

5.

The blade is rubbing on the wheel

5.

Refer to Blade Squaring on Page 40, and adjust

 

 

flange.

 

as required.

 

6.

The bandsaw is being started with

6.

Start bandsaw and then slowly lower the headstock

 

 

the blade resting on the workpiece.

 

by setting the feed rate.

 

7.

The guide bearings are

7.

Refer to Blade Squaring on Page 40, or Blade

 

 

misaligned, or the blade is rubbing

 

Guides on Page 34, and adjust as required.

 

 

on the wheel flange.

 

 

 

8.

The blade is too thick, or the

8.

Use a higher quality blade.

 

 

blades are of low quality.

 

 

 

 

 

 

 

Blade dulls prematurely.

1.

The cutting speed is too fast.

1.

Refer to Blade Speed on Page 23, and adjust as

 

 

 

 

required.

 

2.

The blade TPI is too coarse.

2.

Refer to Blade Selection on Page 23, and adjust

 

 

 

 

as required.

 

3.

The blade feed pressure is too

3.

Refer to Feed Rate on Page 25, and adjust as

 

 

light.

 

required.

 

4.

The workpiece has hard spots,

4.

Increase the feed pressure, and reduce the cutting

 

 

welds, or scale.

 

speed.

 

5.

The blade is twisted.

5.

Replace the blade.

 

6.

The blade is slipping on the

6.

Refer to Blade Tension on Page 33, and adjust as

 

 

wheels.

 

required.

 

 

 

 

 

Blade wears on one side.

1.

The blade guides are worn.

1.

Refer to Blade Guides on Page 34 and replace or

 

 

 

 

adjust.

 

2.

The blade guide slide bracket is

2.

Tighten the blade guide bracket.

 

 

loose.

 

 

 

3.

The wheels are out of alignment.

3.

Refer to Blade Squaring on Page 40, and adjust

 

 

 

 

as required.

 

 

 

 

 

Teeth are ripping from the

1.

The feed pressure is too heavy

1.

Refer to Blade Selection on Page 23 and decrease

blade.

 

and the blade speed is too slow; or

 

the feed pressure. Refer to Feed Rate on Page 25,

 

 

the blade TPI is too coarse for the

 

and adjust as required.

 

 

workpiece.

 

 

 

2.

The workpiece is vibrating in the

2.

Re-clamp the workpiece in the vise, and use a jig if

 

 

vise.

 

required.

 

3.

The blade gullets are loading up

3.

Use a coarser-tooth blade.

 

 

with chips.

 

 

 

 

 

 

 

The cuts are crooked.

1.

The feed pressure is too high.

1.

Refer to Feed Rate on Page 25, and adjust as

 

 

 

 

required.

 

2.

The guide bearings are out of

2.

Refer to Blade Guides on Page 34 and replace or

 

 

adjustment, or too far away from

 

adjust.

 

 

the workpiece.

 

 

 

3.

The blade tension is low.

3.

Refer to Blade Tension on Page 33, and adjust as

 

 

 

 

required.

 

4.

The blade is dull.

4.

Refer to Blade Change on Page 32 and replace

 

 

 

 

the blade.

 

5.

The blade speed is wrong.

5.

Refer to Blade Speed on Page 23, and adjust as

 

 

 

 

required.

 

 

 

G0613/14 Swivel Mast Metal Cutting Bandsaw

 

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Page 33
Image 33
Grizzly G0614, G0613 owner manual Bandsaw Operations