Es-H Cut Hob

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We design and produce hobs for high-speed wet and dry cutting giving multiple benefits to users.

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These are produced in bore & shank type and are generally used for components having a high volume on CNC Hobbing machines resulting in a substantial reduction of cutting time.
These Hobs are specially designed to reduce the cutting time for higher module components (5.5 Module & above) by increasing the cutting edges.

Specification

  • Accuracy Class – Upto AAA as per DIN 3968
  • Material:
    • ES-40 – Cutting speed 150-175m/mt For 1.75 Module
    • ES-65 – Cutting speed 170-210m/mt For 1.75 Module
    • ES-80 – Cutting Speed 275-300m/mt For 1.75 Module
  • Types: Bore & Shank type
  • Multi-gashes
  • Multi-start
  • Supplied with the latest PVD Coatings.

 

Benefits

  • Substantial cycle time reduction.
  • Easy Implementation.
  • Reduction of Hob wear.
  • Can be used on Manual as well as CNC Hobbing machines.

Case Study

Particulars Other ES-H Other ES-H Other ES-H
Component Data Normal Module 5.75 Mod 5.5 Mod 6 Mod
Normal PA 25 20 20
Number Of Teeth 58 12 41
Hob Data Hob Material Bore type +
Alcona Pro
ES-H +
Alcrona Pro
Bore type +
Alcona Pro
ES-H +
Alcrona Pro
Bore type +
Alcona Pro
ES-H +
Alcrona Pro
Hob Size Ø110X150X40 Ø140X150X40 Ø100X180X32 Ø140X180X32 Ø120X200X40 Ø140X200X40
No. of Threads 1 2 1 1 2 2
Flute Type Straight Straight Straight Straight Straight Straight
Machine and Cutting data Machine Make Liebherr Liebherr Liebherr
No of Passes 1 1 1 1 1 1
Cutting speed (m/mt) 70 90 80 110 95 110
Axial Feed (mm) 1.2 1.2 1 1.2 0.9 1.3
Cutting Time (minute) 33 17 6.33 3.66 10 7.2
Parts per Sharpening 200 350 450 650 300 400
Result Time Saving -48% -42% -28%
Life Increase 75% 44% 33%

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