Kval 994-X - Collet Torque Values

Collet Torque Values
KVAL 994-X Operation/Service Manual
5-28
Collet Torque Values
KVAL recommends torquing the collets. Torquing adds consistency is important for repeatable
machining. Follow the torque tool manufacturers method of torquing.
Perske Motor KVAL
Part Number
Horse
Power
Type
Collet
Type
Nut
Torque
Value
Columbo KVAL Motor
PartNumber
Horse
Power
Type
Collet
Type
Nut
Torque
Value
PERKNS21-05-2400 0.37 ER16 Mini 18 ft/lbs COLS55E389-1.5 1.5 ER 20 Slotted 59 ft/lbs PERKRS35.1-2D 1.00 ER20 Mini 20 ft/lbs COLS73E478-3D 3.0 ER 25 Mini 25 ft/lbs PERKRS35.5-2D 2.00 ER 20 Mini 20 ft/lbs COLS90E810-7.5,D 7.5 ER-25 Slotted 77 ft/lbs PERVS503 – 3 HP 3.00 SOYUS
20
Hook 36 ft/lbs GC90E1683-7.5D 7.5 ER 32 Slotted 100 ft/lbs
PERKRSV51.14-2D 7.00 SOYUS
25
Hook 90 ft/lbs COLS116150-10,D 10.0 ER 40 Slotted 130 ft/lbs
HSD Motor KVAL
Part Number
Horse
Power
Type
Collet
Type
Nut
Torque
Value
COLS63F0020-11D 11.0 ER 40 Slotted 130 ft/lbs
A6161H0824 – HSD Spin- dle Motor
10.0 ER 32 Slotted 100 ft/lbs COLS135501-12D 12.0 ER 40 Slotted 130 ft/lbs
Hook Nut and Torque Head UsedMini Nut and Torque Head Used
Slotted Nut and Torque Head Used
Reccomended Collet Torque Values by Motor
Exceeding the torque does not provide more clamping force; it just leads to runout. In fact, the more force is applied, the more the top of the collet wants to twist ZLWKWKHQXW7RRPXFKIRUFHFDQDFWXDOO\WZLVWWKHFROOHW·VWRSGHIRUPLQJWKHFRO- let, which will increase runout and reduce clamping force.
FACT