Specifications

Stages in milling and drilling
56 ProtoMat 95s/II
7.10 Milling layout films
fig. 43: LPKF RF Cutter
› Layout filmsmay be machined with LPKF RF Cutters.
› Secure the film base (plexiglas or glass sheet) onto the machine
bench with Tesa tape.
› Lay the film material on the base with the coated (matte) side facing
upwards.
› Now flatten the film material out firmly on the film support, expelling
any air completely.
› Now stick down the film on all four sides with a non-stretching
transparent adhesive tape to form an air seal.
There must not be any air bubbles between the film and the base.
The milling depth can now be set at the film edge.
It can be checked by milling a frame around the film area (manual
method).
› The speed of movement should be reduced to about 15 mm/sec.
› Switch on the extractor, but only to half power, so that it extracts
"secondary air" on the suction connection or reduce the power on the
electronic vacuum system controller if there is one fitted.
The film milling program may now be started.
Film material comes in DIN A3 and A4 formats (special sizes available
upon request).
Caution! The film coating is easily scratched and is water-soluble,
so do not let it come into contact with water.
The film can be recopied with a colouring device upon request.
See the section „Practical tips“ on page 62 for more information.