Solutions

Problem

Cause

Treatment methods

Excricle ovality too large when turning

1) Spindle beaings gap is too large;

2) There are bruises in the worktable guideway

1) Readjust spindle bearings gap;

2) Repair the bruises.

Excricle conicity too large when turning

1) Spindle beaings gap is too large;

2) Vertical and side guideway blocks loosen or bending of blocks is large

1) Readjust spindle bearings gap;

2) Readjust blocks.