9. AUTHORISED USAGE
9.1 MATERIALS
This boring machine has been designed and manufactured to bore holes in the following materials:
- heart-wood
- M.D.F.
- Chip-wood boards, laminated wood, ennobled wood etc.
Maximum board thickness is 82 mm with maximum size indicated in paragraph 8.3
Other materials than the ones indicated above can be worked only after having received written ap-
proval by machine manufacturer. In particular it is forbidden to work materials containing toxic sub-
stances or substances that are hazardous for operator’s health and safety. It is also forbidden to bore
metals or substances that might impair the machine good performance of might cause fire or explosions.
- Any modification to the machine is forbidden without the written approval by the machine manufac-
turer.
- It is forbidden to tamper with the machine safety devices
9.2 IMPROPER USAGE
Any operation that does not comply with the indications given in this manual is to be regarded as im-
proper usage.
Moreover:
WE ADVISE YOU NOT TO: lay tools against or on the machine during machine installation, usage or
maintenance operations for any reason whatsoever.
WE ADVISE YOU NOT TO: get on the machine or on any of its parts.
The manufacturer cannot be held responsible for any damage caused to people, animals, or objects
resulting from improper usage of the machine.
8.5 TABLE SIZE
Version GF 21 900 X 380 mm
Version GF 27 1050 X 380 mm
Version GF 35 1360 X 410 mm
8.6 INTERAXIAL DISTANCE BETWEEN SPINDLES
The interaxial distance between spindles is 32 mm.
8.7 NUMBER OF SPINDLES
Version GF 21 21 spindles
Version GF 27 27 spindles
Version GF 35 35 spindles
8.8 INTERAXIAL DISTANCE BETWEEN FIRST AND LAST SPINDLE
Version GF 21 640 mm
Version GF 27 832 mm
Version GF 35 1088 mm
8.9 SPINDLE REVOLUTIONS
Spindles revolutions are …2800 r.p.m. at 50 Hz
Spindles revolutions are …3300 r.p.m. at 60 Hz
8.10 MAXIMUM BORING DEPTH
Maximum boring depth is …100 mm.
8.11 WORKING PRESSURE
Working pressure is … 6/7 bar
8.12 AIR CONSUMPTION
Air consumption is …10L/Cycle
9
GRIGGIO S.p.A.
WOODWORKING MACHINERY
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