Общий каталог Widia 2017

Reamer Troubleshooting (conti	nued)
Problem	Cause	Possible Remedy
Conical hole profi le wider at drill entry point	1. Reaming tool running out of centre. 2. Slanted cutting surface/asymmetrical cutting. 3. Workpiece twisted.	• Use equalising adaptor. • Spot face as drilling preparation. • Take the direction of impact into account when clamping the workpiece.
Surface quality does not meet specifi cation	1. Tool cutters worn. 2. Reaming tool running out of centre. 3. Incorrect technology data (cutting parameters). 4. Inadequate chip evacuation.	• Use equalising adaptor. • Re-align, use fl oating head. • Change cooling lubricant. • Change cutting speed. • Measure reamers and send for repairs.
Feed grooves	1. Built-up edge.	• Change cooling lubricant. • Change cutting speed.

Общий каталог Widia 2017 - страница 1645