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Grafikpress JSV-50 *beställningsvara*
TECHNICAL DATA JSV-50
Plate format (bed size) 50x100cm
Thickness of bed 1cm
Measurements of the press:
Length (of the side frames) 59cm
Width (incl. star wheel) 67cm
Height (not on stand) 40cm
Work height (on stand) 86cm
Length of rollers 50cm
Diameter of upper roller 12.5cm
Thickness of wall of upper roller 1,7cm
Diameter of lower solid roller 8cm
Diameter of star wheel 95cm
Thickness of steel frame 2cm Max.
Opening between bed and upper roller 4cm
Screw thread of pressure spindles (metric) M16
Gearing ratio 1:3
Weight 100 kg
Pallet size, wrapped in cardboard and plastic foil, without stand, as advised for road transport .WxLxH 85x120x55cm
Weight of pallet as described above: 120 kg
Pallet size, wrapped in cardboard and plastic foil, with stand, as advised for road transport. WxLxH 80x120x125cm
Weight of pallet as described above: 140 kg
These presses are, for the most part, identical to the JS-series.
The only difference is the drive, the JSV-series have a gearing system with gear wheels on the lower roller.
A press with a gearing system always prints more uniformly than a press with a direct drive.
The printing speed should always be constant during printing, to avoid an uneven transfer of ink to the paper. The gear-wheels are protected with a steel cover. The hard synthetic plate runs between adjustable guide strips, mounted on the solid steel frames. The pressure springs are found under the upper roller. If the spindles are loosened the upper roller is raised by spring pressure. This results in a space appearing between the upper roller and the bed, thus facilitating the sliding of the printing sandwich. This feature makes this press also very suitable for lino and woodcut printing .
The star wheel is secured with a key and can therefore be dismantled. Shims of leather or card board can be placed under the spindles thus providing more flexibility during printing (useful when printing woodcuts, to compensate a little bit the irregularities in the wood). Two types of stands are available for these presses; stands with, or stands without casters. The stands can be dismantled and they are manufactured from square piping. The casters can be blocked in both directions. The nylon caster wheels have a diameter of 12.5cm to allow an easy moving of the press."
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