Table of Contents
Advertisement
3-6 Change of horizontal spindle speed
Move lever (1)(Fig.7) to position . or depending upon the spindle speed
range required,and move lever (2)(Fig.7) to the position of the particular speed reuqired.Speed
changes must not be made while the main motor is running. To facilitate changing spindle
speed,stop main motor by depressing horizontal spindle stop button (2)(Fig.6). Turn spindle
rotated direction switch (3)(Fig.7) to position 1 or 2 and then intermittently press the inching
button (4)(Fig.7), at the same time moving lever (2)(Fig.7) until the required gears are engaged.
It should be noted that the feed motor will automatically stop when the inching button is
operated.
3-7 Table feed
3-7-1 Operation of manual feed
Operate longitudinal feed by hand wheel (1) (Fig.5), cross feed by habd wheel (2) (Fig. 5),
and vertical feed by hand lever (3) (Fig. 5).
If directional changing lever (4) (Fig. 5) at central frontof saddle is in neutral position,
longitudinal manual feed can not be operated.
Chart of rotation of manual feed hand wheel and moving direction of working table.
Hand wheel
Table
Longitudinal Feed
Cross feed
Vertical feed
Fig. 7
Rotation direction
(clockwise)
Right hand
Forward(go far from
operator)
Upward
Chung Sing 12
Displacement
One division
0.02 mm
(0.001 inch)
0.02mm
(0.001 inch)
0.01mm
(0.0005 inch)
1
2
3
4
Scale collar
One revolution
5mm
(0.2 inch)
1.2mm
(0.05 inch)
VERSION: 2
Advertisement
Table of Contents
