Bolton Tools CS 250 Руководство по эксплуатации - Страница 7

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• Carefully clean the saw spindle and the saw flange.

• Installing is done in reverse order. Pay attention to the direction of rotation of

the sawblade. Make sure the saw blade is placed flush against the flange of the

saw spindle. Check the setting of the sawing depth. Do not forget to close the

safety guard.

5.5 Saw feed

Manual saw feed The saw feed is determined by hand. The saw is lowered onto

the material by means of the handle. Press the saw blade firmly onto the material,

without using unnecessary force. When the saw pressure is too high this can

cause the saw too break; when the saw pressure is too low, the saw will rapidly

go blunt.

5.6 Every material has it's own cutting speed. Below advice for some materials:

20 m/min > For steel alloy e.g. stainless steel

40 m/min > For normal steel

80 m/min > For non-ferrous materials

5.7 Clamping the material

It is of the outmost importance that the material is safely clamped in the material vice,

so that it cannot tilt over or even move during sawing. In order to work efficiently, the

material must always be clamped in such a way that the contact surface of the saw

and the material is as small as possible. For instance, saw flat material on its thinnest

side; this will considerable shorten sawing times. When very short pieces have to be

sawn, and consequently only half of the material vice will be used, in order to prevent it

from pulling out of alingment, a piece of material of equal thickness must be clamped in

the other half of the vice. In this way the material is clamped tightly and evenly.

Application of special vice jaws is recommendable for

repetitive work