0850/0850-T1 User Manual
Matrix Machine Tool (Coventry) Limited 48 / 231
8.3 Procedure for fine alignment of the steady rest
It is recommended to carry out the fine adjustment of steady rest whilst the work piece is centre on
the steady rest with an offset along the positive X axis and Y axis of about 0.01 mm.
Minor errors (<= 0.02 mm) along the X axis can be corrected as follows:
1. Undo and retract the clamping arm.
2. Undo the clamping screw on the fine adjustment (do not remove).
3. Apply a low torque to set the 11 mm (brass) adjustment nut according to the direction +/-
4. Move forward and clamp the clamping arms.
5. Check the radial run.
6. Either re-adjust (clamping arms retracted) or tighten the clamping screw (approx. 1 Nm).
Note 1:
The maximum permissible adjustment travel of the steel bolt is +/- 2 to 3mm, depending on the size
of the steady rest.
Note 2: max movement of the steady centre is +/- 0.12 mm (120um).
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