Bedienungsanleitung Huvema HU 550 VARIO (Seite 16 von 32) (Englisch)

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CHANGES AND TYPING ERRORS RESERVED CHANGES AND TYPING ERRORS RESERVED

5.3. Gear box

Figure 4 – Gear box

The gear box is mounted on the left side of the bed. The knobs on the gear box are used, to select the feed for

turning and thread cutting.

5.4. carriaGe

Figure 5 – Carriage

The slide parts of the carriage are smoothly ground. They fit the V on the bed without play. De cross slide is mounted

on the carriage and moves on a dove tailed slide. Play in the cross slide may be adjusted with gibs. The cross slide is

moved by turning the hand wheel, which has been fitted with a graduated collar.

The top slide is mounted on the cross slide and can be rotated 360º. The top slide and cross slide travel move over

dove tail guides and have gibs and graduated collars. A four way tool post is fitted on the top slide and allows four

tools to be clamped. Loosen the center clamp handle to rotate any of the four tools into position.

5.5. apron

Figure 6 – Apron

The apron is mounted on the carriage. It houses the half nut with an engaging lever for activating the automatic

feed. The half nut gibs can be adjusted from the outside. The movement of the apron is transmitted by a rack and a

pinion that are mounted on the bed.

5.6. lead screw

Figure 7 – Lead screw

The lead screw is mounted on the front of the bed. It is connected to the gear box at the left for automatic feed and

is supported by bearing on both ends. Two groove nuts (A) on the right take up play on the lead screw.

5.7. TailsTock

Figure 8 – Tailstock

The tailstock slides on a V-way and can be clamped at any location. The tailstock has a sturdy MT2-spindle with a

graduated scale (in mm). The spindle can be clamped at any location with a clamping lever. It is moved by means of

the hand wheel on the tailstock.

Note!

Fit the securing screw (B, fig. 7) always at the end on the right of the machine. This will prevent the

tailstock of falling of the bed.

6. conTrol eleMenTs

A. Emergency switch + On/off switch (fig. 9): The machine is switched On and Off with the On/Off switch. This

switch can be found underneath the cover of the Emergency switch. Only push the Emergency switch when an

emergency occurs, all machine functions will be stopped. To restart after an emergency, lift the cover and press

the ON button.

B. Switch for changing spindle rotation (fig. 9): After the machine is switched on, turn the switch to the “F”

position for counter-clockwise spindle rotation (Forward). Turn the switch to “R” (Reverse) to make the spindle

turn to the right. Position “0” means OFF, the spindle remains idle.

C. Variable speed control switch (fig. 9): Turn the switch clockwise to increase the spindle speed, turn to the left

to decrease the spindle speed. The speed range depends on the position of the V-belt.

D. Feed direction selector (fig. 10): Select the carriage travel direction, it depends on the rotating direction of

the jaw chuck.

E. Feed rate selector (fig. 10): Use this switch to select the feed for threadcutting.

F. Lock (fig. 11): Turn the nuts clockwise to lock, counter-clockwise to release.

G. Compound slide lock (fig. 11): Turn the nuts clockwise to lock, turn counter-clockwise to release.

H. Cross slide lock (fig. 11): Turn the screw clockwise and tighten to lock. Loosen the screw and turn it counter-

clockwise to release.

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