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The
latest development from VLT is the Vacuum Frame Press. This press
answers the demand from our customers for a top loading vacuum
press with easy access. It is designed to make the process
of vacuum pressing even faster and easier. Just place the glue-coated
parts or laminations on the platen, close the frame over the parts,
turn on the pump and within seconds your parts are pressed under
the flexible translucent silicone rubber membrane. Nothing can be simpler
or faster then this. The press can handle both flat and curved
parts with ease and can press different sized and shaped parts
at the same time.
The
heart of the system is a tough yet flexible translucent silicone rubber membrane
and a special "V" seal(compare to foam gasket) that are attached to a one piece welded
aluminum tubular frame(compare to a kit). Because we use the frame itself to draw
the air from the press around the perimeter of the work, very fast operation is achieved. The frame
is hinged to a precision aluminum platen, which
provides an accurate flat reference surface, producing a perfectly
smooth and flat veneered panels. The aluminum platen can also be used to radiate heat for reduced pressing times. Counter-balance gas springs are
mounted between the platen and the frame for effortless closing
and opening of the frame. A large diameter vacuum hose connects
the frame to a vacuum pump(purchased seperately). Everything is carefully designed
to provide "Free Breathing" of the system to achieve
the fastest possible evacuation rates.
The high operating temperature of the silicone rubber membrane permits the use external
heat source such as infrared heaters to speed up the drying of
glue, cutting pressing cycles time to 5-10 minutes when using
PVA glue.
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