Manual Proxxon FD 150-E (page 8 of 19) (English)

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3. By turning the handwheel 5, move the upper carriage 1with

the cutting tool with the required infeed along the rotating

workpiece.

If acone or taper will be turned, the upper carriage 1must be

pivoted by the required amount:

1. By turning the handwheel 5, move the upper carriage 1sofar

to theright until screw 4can be accessed.

2. Loosen screw 4and set the required conicity using the mark-

ing on the angle scale 7.

3. Retighten screw 4. Turning the handwheel 5will traverse the

upper carriage and thus the cutting tool during turning.

Please note that here, just as for the other handwheels of the ma-

chine, the scale rings are moveable and can be set to zero. The

traveled path of the tool can then be read on the scale. One rev-

olution of the handwheel corresponds to one millimetre route.

The three-jaw chuck (Fig. 6)

The chuck 1serves as aholding fixture and for clamping the

workpieces to be machined. It has a8.5 mm opening, just like the

work spindle of the machine. Thus, round materials with arough

diameter of 8mmcan also be guided through the spindle!

Caution!

When clamping alonger workpiece that is guided through the

spindle and which projects out to the left, there is an increased

risk of injuries. Be particularly careful in this case to prevent ob-

jects from being caught by the rotating shaft. Secure this area

separately.

Clamping the workpiece:

Insert both pins 2and 3included in the deliveryinto the provided

holes at the circumference of both chuck bodies and turn both

chuck parts against each other to open the clamping jaws. The

opposite turning direction causes the jaws to close after the

workpiece has been inserted, thus clamping the workpiece.

Reversing the jaws (Fig. 7):

Fig. 7a shows the configuration of the jaws in the deliverycon-

dition. For example, tubes can be clamped from the inside or

round materials can be clamped from the outside. For clamping

larger outside diameters,the jaws can be revised (like shown in

Fig. 7b).

1. Open the chuck far enough that the jaws can be removed

from the chuck.

2. Jaws are double- and guides are single marked with num-

bers. Reverse jaws and insert it in away so that the left num-

ber on the face side of the jaw corresponds to the number of

the guide.

3. Start with jaw and guide 1! The sequence 1-2-3 has to be ob-

served!

4. Press the jaw slightly and turn the in “Clamping” direction un-

til the scroll inside the chuck body has "gripped" the toothing

of the jaw.

5. Insert the second jaw and proceed as in the first.

6. With the third now the same procedure.

7. Then check that all jaws are centered.

The rotating tool holder

Select cutting tool (Fig. 8)

Caution!

For proper turning, it is imperative that:

•the correct cutting tool was selected for the corresponding

purpose,

•the cutting edge of the cutting tool is sharp,

•the cutting edge of the cutting tool is positioned exactly in the

"Centre"

•the correct rotational speed is used.

Here are the rotational speed types we have put together in our

cutting tool set 24524 (accessories):

Left cutters (a)

•are used to wear off as much swarfinthe left machining di-

rection as possible in ashort time, without special regard to

the quality of the workpiece surface.

Right cutters (b)

•are used to wear off as much swarfinthe right machining di-

rection as possible in ashort time, without special regard to

the quality of the workpiece surface.

Roughing tools (c)

•for rough preparatorymachining on workpieces. The special

cut of this tool makes it suitable for large material removal

without great requirements regarding surface quality.

Pointed tools (d)

•are used to achieve aclean surface with less chip removal.

Parting tools (e)

•for grooving and for separating the workpiece during parting.

Boring cutters (f)

•are used for interior diameter turning.

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Proxxon FD 150-E Manual

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