No , The tool remaining shank was tight in the collet... I further investigated on Z-axis Quill drive, but there is no way that the quill drive itself..This is because the Quill is driven by Worm-wheel mechanism and back-drive is not possible......
I was getting vibration during each plunge moves so i reduced the DOC to 1mm included the Helical entry for each plunge and this solved the vibration problem...
Tomorrow I will try with all of your help again.. Today i was much disappointed..
I am thinking of PLUNGE ROUGHING technique...
Regards
Any help will be appreciable, and ask many questions i will give you all the details...
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