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Case Studies Customer 3 Surface Grinders

The Problem

We were approached by a Medical Company producing .3mm dia needles, they wanted to grind a quantity of 200 at a time, with a main bevel point of exactly 82 degrees, and a secondary angle of 78 degrees, with a pencil point on the other end.

The Solution

We used a 20 year old Jones & Shipman series 10, totally gutted the machine and used only the basic carcass and wheelhead. We then added new ball screws powered by Fanuc motors and drives, we built a special tilting fixture again powered by Two Fanuc motors which not only tilted to give us the angles required but also rolled the needles backwards and forwards to grind the point.