Draw Bar Rotating Precision Chuck

On this page pml-pal presents several draw bar precision chucks with different configurations and sizes.

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 80 MM 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

Draw Bar 80MM chuck w/o top jaws	Back View	Side view

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

Back view	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 side	150-3-2.5 DB model, 150MM draw bar precision chuck with 6MM  through hole.