GEAR HOBS

Gear Hobs

CTI produces ultra precision hobs for cutting Spur and Helical Gears of maximum accuracy. Each tool is designed to meet specification with any type of profile modification like protuberance, chamfering, topping and tip relief. Hobs are supplied in single or multistarts in Class AA, A and B as per DIN 3968.

Module:      
0.1 to 40
(24mm to 360mm diameter )
DP:                
120 DP to 0.7
(0.75” to 15” diameter )

STRAIGHT AND INVOLUTE SPLINE HOBS

Gear Hobs

Spline Hobs are supplied for generating parallel or angular splines, straight or helical splineswith profile modifications like semi topping, undercutting, shoulder clearance, etc.

Involute Spline Hobs as per DIN 5480, 5481 & 5482, NFE 22 141, ANSI B92.1
Parallel Spline Hobs with or without lugs, semi‐topping and shoulder clearance.

  • For Power take off shafts‐ DIN 9611.

CHAIN SPROCKET AND TIMING PULLEY HOBS

Gear Hobs

Roller Chain Sprocket Hobs are supplied as per ANSI, BS, IS or any other standards or with non‐standard forms. These hobs are offered with ground or unground profiles and topping or non‐topping designs.
Timing Belt Pulley Hobs are made to cut various types of Timing Pulleys like

  • Syncroflex
  • UNIROYAL , Powergrip
  • HTD-According to DIN 7721 , ISO 52

WORM GEAR HOBS

Gear Hobs

Worm Gear Hobs are supplied for Flank Forms ZN, ZA, ZL, ZK, ZC upto a lead angle of 45 degrees. These Hobs can be hollow type or integral shank type depending upon strength constraints.

Tangential, radial, topping or non‐topping hobs and special reaming type finishing hobs are also offered.