Change The Spindle Speed; For Tpr-1230,Tpr-1230H) - Sharp RD-1230 Operation Manual

5.11 Change the spindle speed.

Warning：
Spindle temperature will go up making operation in trouble when the
spindle speed is set at high rotation mode without movement of the
quill. So please do not set the spindle speed at high rotation mode
when no movement of the quill.
5.11.1 （For TPR-1230,TPR-1230H）
Ⅰ. The speedometer at the time when the pole switch is in high position.
The position for the
Suitable automatic feeding step.
Suitable drilling
diameter mm
Suitable automatic feeding step.
pole
switch.（For TPR-1230,TPR-1230H）
Two speed change lever（low speed）
Speed change levels
Speed（rpm）
Suitable drilling
diameter (mm)
Threading (metric)
Two speed change lever（high speed）
Speed change levels
Speed（rpm）
Mild steel
Cast iron
threading(metric)
88
∅25-∅40
Mild steel
∅38-∅55
Cast iron
M16-M20
1 2
456
∅10-∅12
∅19-∅22
Not suggested. Not suggested. Not suggested.
1 2
5-17
（For TPR-1230,TPR-1230H）
154
∅19-∅25
∅28-∅38
M6-M16
3 1 2 3
796
∅6-∅10
∅10-∅19
3 1 2 3
282
∅12-∅19
∅22-∅28
M3-M6
1 2 3
1500
∅3-∅6
∅3-∅10
1 2 3