Sharp UH-3, Operations Manual & Parts List

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3-7-2 Operation of cross power feed
Start feed motor by turning button (3) (Fig. 6) and then lever (5) (Fig.5) upwards for the
saddle to feed towards the column, and for the saddle to feed away from the column move
lever (5) (Fig.5) downwards.
3-7-3 Operation of vertical power feed
Start feed motor by turning button (3) (Fig. 6) and then move lever (6) (Fig. 5) upward to
feed the knee upwards to move lever (5) (Fig. 5) downward, to feed the knee downward.
3-7-4 Operation of longitudinal power feed
Start feed motor by turning button (3) (Fig.6) and then move lever (6) (Fig.5) and then
move lever (4) (Fig.5) right for the table to feed from the left move the right and for the
table to feed from right to left mover lever (4) (Fig. 5) to left.
3-7-5 Choice of feed speed
Feeding speed is dependent on the spindle speed, material of work piece, tips if cutter and
diameter of cutter (Table 6). With this machine, 12 steps of cutting feed and rapid feed are
carried out from the feed box which is under the side of saddle.
Turning the switch (3) (Fig. 6) to “ON” position to start the table longitudinal feed motor.
Move lever (10) (Fig. 5) to position A, B or C dependent upon feed range required and
move lever (9) (Fig. 5) to the position for the particular feed rate required. It is not
necessary to stop the feed motor when changing the feed rate.
“WARNING”
1. Don’t change feeding speed if the table is moving.
2. Before stopping the spindle or when the table auto feed is not used push back the feed
engagement lever (4) (5) (6) (Fig. 5) to neutral.
3-7-6 Operation of rapid traverse
This can be operated on any of the foregoing movements by having the fees motor running
which is independent of the main spindle motor and moving the lever whichever direction
engages the feed required into the correct position and then moving lever (11) (Fig. 5)
upwards until the appropriate distance has been moved. Then lever (11) (Fig. 5) should be
returned to its neutral position.
Chung Sing 13 VERSION: 2