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OBJ_BUCH-0000000077-001.book Page 16 Wednesday, July 18, 2012 8:10 AM
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16
Changing the tool.
Before mounting or replacing cutting tool or accessories, pull the power plug.
WARNING
This preventive safety measure rules out the danger of injuries through acciden-
tal starting of the power tool.
The symptom for worn punches and dies are
a clearly increased feed force at lower work-
ing progress.
For optimum cuts, replace the punch and die
together.
BLK1.3TE/BLK1.3CSE/BLK1.6E/BLK1.6LE: Punch
and die cannot be reground.
BLK2.0E/BLK3.5/BLK5.0: The punch – not the
die – can be reground as long as the length of
the reground punch does not fall below the
minimum die length.
Die
Minimum punch length
BLK2.0E:
3 01 09 141 00 3
45 mm
BLK3.5:
3 13 09 093 00 3
51.5 mm
Replacing the punch (BLK1.3TE/
BLK.3CSE/BLK1.6E/BLK2.0E) (figure 9).
Loosen the union nut, then pull out the die.
Replace the punch and remount the die.
Apply a light coat of grease to the new punch
before inserting it.
Tighten the union nut.
Die
Minimum punch length
3 13 09 094 00 1
51.5 mm
BLK5.0:
3 13 09 109 00 2
58.8 mm
3 13 09 107 00 0
56.6 mm
3 13 09 108 00 8
54.5 mm
BLK2.0E/BLK3.5: For template cuts, the tem-
plate is traced via the lower cylindrical part of
the punch guide. The clearance between tem-
plate and the actual cutting edge is 2.5 mm.
The template should be at least 2 mm thick;
the total thickness of template and work piece
may not exceed 5.5 mm.
BLK1.6E: For cutting deep-channel trapezoidal
sheet metal, the optionally available profile set
160 can be mounted.
Fig.9
3.
Punch
4.
Die
5.
Union nut
6.
2.
1.
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