Reverse Hydro; 3.93Mod, 17°PA, Z-17, Spur
Hob Specifications Used
90*180*32, 2-Start, PM-35
Problem Faced By Customer
Less life and damage in hob during running before completing desired tool life.
Proposed Hob Specification
90*180*32, 1-Start, ES-65
|Axial feed(mm per work revolution)||1.6/2.3||2.2|
|No. of Cuts||2||1|
By changing the number of starts and cutting parameters, the cutting time was reduced by almost 50% and breakage of the hobs also stopped. Though it took us long time to convince the customer to use our proposed hob specifications and parameters.