Operation safety, Notice, Blade speed – Grizzly G9742 User Manual
Page 21

G9742 Metal Cutting Bandsaw (Mfg. Since 11/06
-19-
Damage to your eyes, lungs, and ears could
result from using this machine without
proper protective gear. Always wear safety
glasses, a respirator, and hearing protection
when operating this machine.
Loose hair and cloth-
ing could get caught in
machinery and cause seri-
ous personal injury. Keep
loose clothing and long
hair away from moving
machinery.
Operation Safety
SECTION 4: OpERATIONS
NOTICE
If you have never used this type of machine
or equipment before, WE STRONGLy REC-
OMMEND that you read books, trade maga-
zines, or get formal training before begin-
ning any projects. Regardless of the con-
tent in this section, Grizzly Industrial will
not be held liable for accidents caused by
lack of training.
Blade Speed
The.Model.G9742.has.these.three.blade.speeds:.
80,.120,.and.200.FPM.
To change blade speeds:
1. UNPLUG.THE.BANDSAW!
2.. Determine.the.best.speed.for.your.cut..The.
table. in.
figure 19. is. provided. as. a. basic.
guideline..Material.thickness.and.the.type.of.
blade.used.will.factor.into.FPM.selection.
Material
feet per Minute
(fpM)
Aluminum.
250
Plastics
800
Brass.(soft)
500
Carbon.Tool.Steel
100-150
Cast.Iron
100-150
Cold.Rolled.Steel
150-200
High.Speed.Steel
90-125
Malleable.Iron
150-200
Hard.Rubber
150-200
figure 19. Blade.speed.table.
3.. Slacken. the. V-belt. and. position. it. for. the.
desired.FPM.(see.
figure 20).
80
120
200
Motor.Pulley
figure 20. V-belt.positions.in.FPM.
4.. Tension.the.V-belt.as.described.in.the.pulley
Cover section.on.page 17.
Wheel.Pulley