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High Speed Spindles / Cartridge Spindles

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 work-holding fixtures such as collets, jaw chucks as well as special fixtures. Dunham Tool will provide any standard or special mounting adapter to accommodate your work-holding specification.

These high speed spindles accept 16C, 3J, 5C (also 1c, 3c, various Morse and CAT tapers and special configurations) 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, A2-4, A2-5, A2-6 and numerous Special Spindle Nose configurations. 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 1-10,000 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 work-holders.


Features and benefits

  • High precision, high speed spindle construction for turning, polishing, deburing, 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.
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