Gear Hobs

  • Module, DP and CP series Hobs are supplied by MHI-IPT.
  • Various forms of Hobs such as non-topping,semi-topping, topping, finishing, roughing, pre-shaving or pre-grinding, with or without protuberance, tip relief , full fillet radius etc., are manufactured.
  • Multi start Hobs, Multi gash Hobs and Drycut Hobs are also supplied.
  • Designing & Production of Gear Hobs-both involute and parallel sided, Sprocket Hobs, Worm Wheel Hobs, Serration Hobs,Timing Belt Pulley Hobs and Ratchet Hobs are done at MHI-IPT. They are either custom-made or to suit international Standards.
  • Both bore type and shank type Hobs are made.
  • Hob material is generally AISI M35 (6-5-2+5%Co). On special request, Hobs made in powder material (ASP 2030, ASP 2052) and TiN, TiAlN, TiCN and AlcronaPro coated Hobs.
  • Normally, accuracy classes are as per DIN 3968 Standard AA, A & B. However, Hobs are made to suit other accuracy Standards also .
Hobbing cutter
PARAMETER LIMITATION / RANGE
MODULE 0.50 TO 20
OUTSIDE DIAMETER 24 TO 250mm
OVERALL LENGTH 300mm Max or 35 Pitches max whichever is less
STARTS Upto SIX
ACCURACY Class AA of DIN3968
Class A of BS2062
Class A of ASA B94.7-1966
Class AA of GOST 9364
Class AA, A, B & C of JIS4355:1998
ALL WORM HOBS Lead Angle UP TO 15 deg
SPROCKET HOB PITCH 6mm TO 38.1mm
All specs in mm
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