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

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Operation

Selecting the speed range

Drilling with the machine

Drilling with twist drills
50
CAUTION
Switch over the gear stages only with the machine at stand-
still.
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
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
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
switch on the magnetic clamp.
Select the appropriate speed and switch on the machine.
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.
MAB 455

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