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

Spline Hobs are supplied for generating parallel or angular splines, straight or helical splines with 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.

Involute Spline Hobs
Timing Pulley Hobs

CHAIN SPROCKET & TIMING PULLEY 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 Pulling Like.

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

WORM 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.

Worm Gear Hobs

INVOLUTE GEAR CUTTERS


Involute gear cutters

MILLING CUTTERS

Single Gear Cutters – from 0.1 to 55 Module, 120 to 0.5 DP for specific number of teeth or in sets of 8 cutters. When ordering single gear cutters, the cutter number or the number of teeth to be cut must be specified.

Stepped Up Gear Roughing Cutters are available in Alternating Plain and Serrated form for faster roughing of large gears.

FORM MILLING CUTTERS

CTI produces form milling tools for all types of applications based on customers specifications. Spline Milling Cutters for Straight and Involute Splines with/without lugs. Sprocket Cutters designed for cutting sprocket teeth of roller‐chain wheels according to BS, ASA and DIN standards.

Whether standard or custom non‐standard we have a solution for everything. We manufacture tooth‐form cutters, spline milling cutters and thread‐milling cutters to print.

Form milling cutters
Gear Shaper Cutters

GEAR SHAPER CUTTERS

CTI designs and manufactures spur and helical gear shaper cutters to produce all types of internal and external Gears, Splines, Sprockets and Timing Pulleys. Custom made shaping cutters to cut pre shaved and pre ground gears with profile modifications like protuberance and semi topping can be supplied.

Shaper cutters can be supplied in following types.

  • Disc Type
  • Deep Counter Bore Hub Type
  • Shank Type

The Above Cutters Are Available in the Following Range of dimensions and specifications of cutters

Module –
0.5 to 20 Module

DP -
50 to 1.25 DP

Max diameter -
300mm ( 12” )

Accuracy: AA, A and B as per DIN 1829
Coatings: TiN,TiCN,TiAlN to enhance tool life upto 10 times
Material: High Speed Steel grade M35, M4, ASP 2030 and ASP 2052

SHAVING CUTTERS

Gear Shaving Cutters are precision ground for finishing pre‐ hobbed or pre‐shaped gears. All tools are supplied with inspection and lead test charts.

Shaving Cutters Types can be supplied in following types.

  • Conventional
  • Diagonal
  • UnderPass

PROFILES - Standard Involute, Tip Relief Profile, Lead Crowning, Special profiles as per customer’s requirement
RANGE - 0.8‐8 Module and 30‐3 DP, 170 mm to 260 mm PCD
MATERIAL - M2, ASP 2023 and ASP 2030

Shaving Cutters
Spline Broaches

BROACHES

We are fully equipped to manufacture both standard and special Spline Broaches in either push or pull styles, including all types of round broaches, Spline broaches, keyway broaches, internal hole, and surface broaches. Broaches are made to suit component specifications, customer’s machine and holder details. Different Internal Profiles are undertaken.

  • Splines
  • Serrations
  • Round
  • Hexagonal
  • Rectangular
  • Ratchet

STRAIGHT AND SPIRAL BEVEL BLADES


Spiral Bevel Blades

BEVEL BLADES

Crown Wheel – Roughing/Finishing Blades Pinion – Roughing/Finishing Blades(Concave & Convex)

  • Blades suitable for hardac/helixfrom/wedgac/roughac/standard bodies
  • Blades for roughing and finishing cutters with diameters from 5″- 20″
  • Crown wheel roughing/finishing cutters
  • Pinion roughing/finishing cutters
  • Solid cutters from diameters1″-8″

CURVEX TYPE BLADES

  • Suitable for WMW Spiral Bevel Gear Machines
  • From Dia 75mm-300mm(in sets)

SPIROMATIC BLADES

  • From Dia. 70mm to 108mm suitable for Oerlikon Spiral Gear Machines
  • MATERIAL: HSS M2, ASP 2030, 2023 etc

MAG & SUNDERLAND RACK TYPE CUTTERS

CTI manufactures high quality Sunderland and Maag Rack Type Cutters to the clients. These cutters are manufactured using high‐grade HSS raw material as well as employing the most modern facilities. Cutters for MAAG, Sunderland and other Gear Planing Machines are widely used by the clients.

Mag & Sunderland Rack Type Cutters can be supplied in following types.

  • From 0.5 module to 36 module and equivalent ‐ DP’s Cp’s
  • Full range of Cutters including: Spurs, Pregrind Protuberance, Involute and
  • Straight sided Splines, Chain Sprockets, Serrations, Timing Belt Pulley Cutters
  • Double Helical Cutters up to 1DP (26 MOD)
  • Any non standard pitches or pressure angles ‐ Special profiles calculated to customers requirements

Rack Type Cutters