Bedienungsanleitung Ferm TDM1026 (Seite 8 von 88) (Alle Sprachen)

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drill slides away in the drill holder, a slight burr

occurs on the drill shank, which makes centric

clamping impossible. A burr which occurs in this

way must in any case be removed by grinding.

Clamping the workpiece

Fig. G

The drill bench and the footplate of the bench drill

are provided with grooves for fastening clamping

tools. Always clamp the workpiece in the machine

clamp or other clamping tools. In this way you will

prevent accidents and even increase the drilling

accuracy because the workpiece is in a fixed

position.

Adjusting the bench

The drill bench is fastened to the drill column

and can be adjusted in height after loosening the

fastening handle (6). Adjust the bench in such a

way that there is still enough space between the

top of the workpiece and the point of the drill. You

can also swivel the bench sideways, if you wish to

clamp a workpiece directly onto the footplate.

Fig. I

For slanted drilling and with a slanted supporting

surface of the workpiece the bench can be

swivelled. For this purpose loosen the hexagonal

screw (20) on the hinge point of the bench and

remove the centring. Swivel the bench (19) to the

desired position. Then screw down the hexagonal

screw (20) properly using a wrench.

Number of revolutions, speed of rotation, supply

The supply - the feed motion of the drill - takes

place by hand on the 3-armed drill lever. The

speed of rotation is determined by the number of

revolutions of the drill spindle and by the diameter

of the drill. The correct choice of supply and the

number of revolutions of the drill spindle are the

deciding factors for the lifespan of the drill. The

following applies as a basic rule: with a larger

diameter of the drill the number of revolutions

must be adjusted lower; the greater the firmness

of the workpiece, the greater the cutting pressure

must also be.

In order not to overheat the drill in this case, the

supply and speed of rotation must be lowered

at the same time. In addition, the drill must be

cooled with drill oil. For thin plates, quite large

drillings must be carried out carefully with little

supply and little cutting pressure, so as to get

a precise result and so that the drilling remains

the correct size. For deep drilling (larger than 2 x

the diameter of the drill) the discharge of chips is

more difficult and the temperature of the drill is

higher. Therefore lower the supply and the number

of revolutions and ensure a better discharge of

chips by regularly pulling back the drill. For drilling

with a greater diameter than 8 mm, pre-drilling

must take place, so that early wear of the drill -

main cutting edge can be avoided and so that the

drilling point is not too heavily loaded.

5. MAINTENANCE

Make sure that the machine is not live

when carrying out maintenance work on

the motor.

This machine has been designed to operate

over a long period of time with a minimum of

maintenance. Continuous satisfactory operation

depends upon proper machine care and regular

cleaning.

Cleaning

Keep the ventilation slots of the machine clean to

prevent overheating of the motor. Regularly clean

the machine housing with a soft cloth, preferably

after each use. Keep the ventilation slots free from

dust and dirt. If the dirt does not come off use a

soft cloth moistened with soapy water. Never use

solvents such as petrol, alcohol, ammonia water,

etc. These solvents may damage the plastic parts.

Please clean the tool immediately after use.

Lubrication

Every bearing in the drill press has been pre-

lubricated in the factory. Further lubrication is

unnecessary. From time to time, you should

grease the racks and pinions, the table lifting

mechanism, the spindle and the splines of the

hollow shaft. Open the drive belt guard and squirt

a little oil onto the spindle shaft. Do not allow any

oil to touch the drive belt!

Faults

Should a fault occur, e.g. after wear of a part,

please contact the service address on the

warranty card. In the back of this manual you find

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