SPECIAL CHUCKS

June 07, 2018


DRAW BAR ROTATING CHUCK​


On this page pml-pal presents several draw bar precision chucks with different configurations and sizes with and without through hole.

Draw Bar operated chuck actuated by either air or hydraulic back cylinder. The chuck in the following photo 80-3-5 DB Model is small with several characteristics: it is only 80mm DIA. with a large through hole 19MM. Designed to be used in small size CNC lathes and sub-spindles.

Main features:


  • Repeatability is 0.005mm or 0.0002"
  • Jaws stroke on DIA. is 5mm or 0.2"
  • Maximum Draw Force is 600 kG
  • Maximum Gripping Force is 765 kG with top jaws
  • Max R.P.M. is 6500/min
  • Through Hole 19mm


80-3-5 DB TH 19 Model

Side view

Back view

Draw Bar 80mm chuck w/o top jaws

Draw bar chuck long stroke 80mm

Model 95-3-5DB - Draw Bar operated chuck can be controlled by either air or hydraulic back cylinder. The chuck in the following photo is relatively small, only 95

mm DIA. less than 4" with a very large through hole 26MM.


Main features:

  • Repeatability is 0.005mm or 0.0002"
  • Jaws stroke on DIA. is 5mm or 0.2"
  • Maximum Draw Force is 1250 kG
  • Maximum Gripping Force is 2700 kG without top jaws
  • Maximum gripping force is 1800 kG with top jaws
  • Max R.P.M. is 7000/min
  • Through Hole 26mm
Draw bar chuck long stoke

Below are several other draw bar chucks in different variations.

150-3-12 DB Model 150mm Draw bar rotating chuck with

12mm stroke on Dia.

Technical data:


  • Accuracy is 0.006mm or 0.00024"
  • Maximum pull force 600 kG
  • Gripping force 1150 kG
  • Max R.P.M. is 3500/min
  • 12mm stroke on Dia

Back view

95-3-2.5 DB model, 95mm draw bar precision chuck with 6mm

through hole

Back view

150-3-2.5 DB model, 150mm draw bar precision chuck with 6mm 

through hole.

Back side

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