- Pneumatically operated -
for outside cracking-off of ar-glass acc. To the thermal
shock principle with the multiple proved arnold cracking-off
machine no. 71/8.
on a pneumatically controlled swivelling device a burner is mounted with the flame cone aligning towards a water cooled steel roller.
by means of pressing the pneumatic foot pedal a very fine needle
flame is moved to the seperation point of the rotating
after the adjustable heating time has been finished (depending on tube diameter and wall thickness approx. 2 - 3 seconds) the device swivels automatically and the cooling roller will be moved to the outer surface on the heated tube.
herewith the tube will be cracked-off with a perfect, smooth cut.
1 piece burner no. 126/20 with jets dia. 0,18 and 0,30 mm
1 piece cooling roller
1 piece pneumatic foot valve
1 piece maintenance unit