Epple Maschinen GB 32, Руководство пользователя

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Stand 02.01.09, GB 32, Geared head drill Page 30 of 54
4.4.3 Function threading

At first choose the driving speed

Adjust the depth arrester at the cutting depth

Activate the function „threading“
The function switch is located over the driving speed choice switch.

Do not use the feed or the table height adjustment during you are
working with „threading“.

Activate the drive

Insert the die into the work part until it catches

Let the centre sleeve lever go
If the centre sleeve achieves the depth arrester, the automatic shifts the
turning direction and the die gets turned out of the work part. If the
centre sleeve returns now into the ground position, the turning direction
is shifted again. Now the cutting cycle has finished.

Do not make more than 8 threadings per minute so that the
overcurrent relay of the main motor does not get too hot. Insert
accordant breaks.
Do not work with coolant of the drill during threading but use adequate
cutting oil.