Horizontal Boring & Facing Machine

Horizontal Boring & Facing Machine


Model HB-70 from Poly Kraft Machines is a horizontal boring and facing machine.  The column, bed and saddle are rigid structures, made of high-strength castings, well ribbed box-form and duly reinforced, permit full power to be used

  • Boring spindle dia/taper – 70/0.5 mm/taper
  • Facing head dia – 19” (480 mm)
  • Max facing dia – 380 mm
  • Max turning dia – 600 mm
  • Table – 990 x 760 mm
  • Weight admitted – 2500 kg
  • Speeds – boring spindle 12-470 RPM
  • Facing head – 12-200 RPM

  • All the guideways of the column, bed and saddle are hand scrapped to maintain high accuracy and ensure a long trouble-free life
  • The boring spindle, made of special steel with a super-finished surface, is guided in a sturdy milling spindle in two long bronze bushes
  • The milling spindle rotates in two high-precision Timken taper roller bearings
  • Automatics axial travel of boring spindle is a standard feature
  • Rotary table has both rotary feed and rapid circular movement as standard feature
  • It can be clamped in any angular position as graduation of degrees are there

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