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Stretching
Clamps
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 The SST
Pneumatic Stretching Clamps are constructed for heavy duty operation
with few movable parts which make it virtually maintenance free. They
are available with clamp jams in sizes of 10 in. (250mm) and 6 in.
(150mm) length. Both types can be used simultaneously since the pulling
force of both clamps is proportionately the same. Therefore, the clamps
can be arranged to suit any frame size.
The SST clamps apply a force against the screen frames to pretension
them during stretching. After the fabric is glued in place, the release
of pressure will allow the frames to put an additional tension force on
the fabric for zero-tension cut away loss. The jaws incorporate a
double round, urethane dowel which locks down the fabric and eliminates
slippage. This allows for higher tensions on fine meshes without
breaking.
Piston and piston rod are designed in such a manner that they cannot
jam. After pressure is released, a release spring automatically pushes
the clamps back to their original forward position. The stroke of the
piston of the SST stretching clamp is 3.5 in. which is sufficient for
the stretching of large frames.
Compressed air is supplied through a control unit to air distributors.
Every clamp is equipped with an air hose and quick connect fittings.
This facilitates a simple interconnection of clamps and air
distributor. The control unit consists of a regulator with a pressure
gauge, and an "on" and "off" lever. The regulator can be adjusted to a
specified pressure. A needle valve placed after the regulator controls
the amount of air applied to the clamps to prevent shocking the fabric
during the tensioning procedure.
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Swiss Pecap LE Mesh
Rigid Aluminum
Screen Frames
SST-3 and SST-4 Stretching Clamps
G-215
Pneumatic Stretching Machine
G-550 and G-570
Screen Drying Chambers
G-420 Automatic
Coating Machine
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