Es-H Cut Hob

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% |