Selecting The Speed Range; Drilling With The Machine - BDS Maschinen MAB 455 Instrucciones De Manejo

O p e r a t i o n
Se l e c t i n g t h e s p e e d r a n g e
D r i l l i n g w i t h t h e m a c h i n e
D r i l l i n g w i t h t w i s t d r i l l s
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CAUTION
► Switch over the gear stages only with the machine at
standstill .
The machine has a gearbox with two mechanical gear stages:
Gear stage 1: Load speed 250 rpm
Gear stage 2: Load speed 450 rpm
To select the desired gear stage, set selector lever (5) to
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stage 1 or 2 with the machine switched off .
NOTE
► Select the speed range according to the material and drilling
diameter .
Proceed as follows when drilling with twist drills:
Push twist drills with MK taper from below into the morse
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taper (3) of the machine .
Push twist drills with straight shank into the drill chuck after
‹
fitting the drill chuck.
Position the machine at the working location, align it and
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switch on the magnetic clamp .
Select the appropriate speed and switch on the machine .
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NOTE
Observe the following instructions when drilling with twist drills:
► Under excessive pressure, the drill can wear out and the
machine can be overloaded .
► Pay attention to a regular chip discharge . With larger drilling
depths, break the chip .
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