In this context, the present work presents an experimental work where the benchmarking of two cutting tool geometries and cutting conditions are carried out to analyze their effect on the drilled holed quality.
We can design and manufacture the different diameter,holes number,carbide button shape and face shape according to the customers' requirement.How to choose the suitable head face of the DTH drill bit?1. Concave: Suitable for all kinds of formation, especially for...
I bought it brand new 2 years ago from bore master stored it for winter in my shop and i digged 5 holes last year and now no more use for it. I am very impressed with the speed this rig can dig,the rig is in top condition and also ... more...
The utility model belongs to the field of a production device for a badminton racket, and particularly relates to the field of devices used for badminton racket side hole producing and processing. The drilling machine comprises a racket clamping device arranged on a work bench, a drilling device...