WORKHOLDING Precision Cartridge Spindles

HIGH SPEED SPINDLE / CARTRIDGE SPINDLE

High Speed Spindles / Cartridge Spindles

Features and Benefits

Dunham Tool manufactures high precision, high speed spindle, cartridge spindle assemblies which are available as complete headstock assemblies with the high speed spindle mounted in a headstock with collet actuators or chuck actuators and pulleys. Dunham Tool's cartridge spindle and high speed spindle headstock assemblies are used with innumerable standard workholding fixtures such as collets, jaw chucks as well as special fixtures. Dunham Tool will provide any standard or special mounting adapter to accommodate your workholding specification.

These high speed spindles accept 16c, 3j or 5c collets directly and are designed for use in a variety of mounting platforms, either horizontal or vertical. They are available with American Standard noses, A2-3 and A2-5. The Dunham Tool cartridge spindles are frequently used as main spindles and or sub-spindles on lathes, grinders, polishing machines, assembly machines, rotary welding/laser machines, etc.

The Dunham Tool high speed spindle precision cartridge spindle line has been expanded to incorporate models capable of 7,000 RPM and 0.000050" TIR accuracy operation. These spindles are used primarily by Original Equipment Manufacturers and other manufacturers for creating custom power-driven tool or workholders, as well as by Dunham Tool in various lathe models.

High precision, high speed spindle construction for turning, polishing, deburring, and grinding use.
Range up to 7,000 RPM.
Accuracy to 0.000050" TIR.
Easily incorporated into custom machines.
Built-in air purge keeps coolant, chips, and swarf out of the high speed spindle mechanism using 5 psi clean shop air.
Available with headstock, collet actuators, pulleys, etc.

Specifications and Dimensions High Speed Spindles / Cartridge Spindles

Specification	Model 2000	Model 3000	Model 5000
Capacity (thru-hole)	5C collet or 2J collet	5C collet or 2J collet	16C collet or 3J collet
Spindle Mount	4 Taper or A2-3	A2-3	A2-5
RPM Maximum	Up to 6,000	Up to 7,000	Up to 6,000
Accuracy	0.000050" TIR	0.000050" TIR	0.000050" TIR
Construction	2-bearing	4-bearing	5-bearing
Weight	28 lbs.	38 lbs.	50 lbs.
Flange Diameter (A)	5.5"	5.625"	5.62"
Housing Diameter (B)	4.5"	4.625"	4.62"
Flange-To-House-End (C)	5.88"	8.620"	8.62"
Overall Length (D)	10.25"	14.250"	15.38"
*Also available in 1C collet and 3C collet models

Model Number and Description High Speed Spindle / Cartridge Spindle

2000SPASSM5C	6000 rpm 5C High Speed Spindle Cartridge Assembly (2 bearings)
2000SPASSM2J	6000 rpm 2J High Speed Spindle Cartridge Assembly (2 bearings)
2705SPASSM5C	6000 rpm 5C (A 2-3 Nose) Cartridge High Speed Spindle Assembly (2 bearings)

2000HDSTK5C	6000 rpm 5C High Speed Spindle in Headstock with Spindle Lock
2000HDSTK2J	6000 rpm 2J High Speed Spindle in Headstock with Spindle Lock
2705HDSTK5C	6000 rpm 5C (A 2-3 Nose) High Speed Spindle In Headstock with Spindle Lock

2000HDSTK5CDOM	All above with DACC, DACCGuard, Drawtube
2000HDSTK2JDOM	All above with DACC, DACCGuard, Drawtube
2705HDSTK5CDOM	6000 rpm 5C (A 2-3 Nose) High Speed Spindle in Headstock with DACCOM

3000SPASSM5C	7000 rpm 5C (A2-3 Nose) High Speed Spindle Cartridge Assembly ( 4 bearings)
3500SPASSM5M	7000 rpm 5 Morse Taper (A2-3 Nose) High Speed Spindle Cartridge (4 bearings)
3000HDSTK5C	7000 rpm 5C (A2-3 Nose) High Speed Spindle Cartridge in Headstock with Spin Lock
3000HDSTK5CDOM	7000 rpm 5C (A2-3 Nose) High Speed Spindle Cartridge, Headstock, and Collet Actuator
3500HDSTK5C	5000 rpm (A-3 Nose) 5C Headstock Cartridge Spindle Assembly, replaceable collet taper
3500HDSTK5CDOM	7000 rpm 5 Morse Taper (A2-3 Nose) High Speed Spindle, Headstock, and Collet Actuator

5000SPASSM16C	6000 rpm 16C (A2-5 Nose) High Speed Spindle Cartridge Assembly (5 bearings)
5000HDSTK16CDOM	6000 rpm 16C High Speed Spindle, Headstock, Collet Actuator