Winshoes

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WINSHOES is a series of machines for the production of dual density soles direct injected onto uppers available in two possible configurations:

TPU/PU version with TPU for the outsole and PU for the midsole.
PU/PU version with PU for the outsole and PU for the midsole.

The machines may be configured with 18, 24 and 30 stations equipped, according to the version, with a TPU pouring unit for the outsole and a low pressure self-cleaning polyurethane injection unit for the midsole. The Winshoes series represents a real innovation especially thanks to the redesigned mould-holder who permits an easy operation, both manual and robotic, on mould area, with an extremely wide rings opening of 285 mm.

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TPU INJECTION UNIT

  • Piston-screw injector diam. 65 mm, (930 cc), nozzle with direct hydraulic closure.
  • Pouring flow managed by electric motor for a perfect pouring control.
  • Electronic control system, for the injector movement and for the volumetric dosing, during the phase of TPU “pouring” on the sole-mould.
  • 2nd piston –screw injector diam. 65 or diam. 50, positioned besides the first injector, mounted on a translating plate allowing the alternation of the two injectors during production. (optional)
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PU INJECTION UNIT

  • Self-cleaning andlow pressure injection unit.
  • System of quick screw change.
  • Automatic cleaning device for nozzle.
  • Coloration in the head with n.3 colouring valves.
  • Control of material pressures by electronic transducer.
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MOULD HOLDER

Innovative mould-holder with mixed closing, parallel and arch, with an opening stroke between the rings of 285 mm allowing the maximum freedom on every manual and robotics operations.
Mould holder dimension: 200x440
Arch movement of the rings allowing a frontal opening of 285 mm (142,5 + 142,5) more than 80% than conventional machines.
Fully interchangeable moulds with other brands machines, no modification is required.
85 kN of clamping force on sole plate made by 2 hydraulic cylinders to avoid any oscillations of the sole plate.
Fluid thermoregulation with differentiated temperature level between the sole plate and the rings.

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FEEDING TANKS˜

Feeding unit made up of no. 2 tanks, one for Polyol and the other for Isocyanate, each one having 250 kg of capacity.
˜Insulated tank with dynamic fluid thermoregulation and safety device for over temperatures with quick thermal cut off.
˜Mechanical stirrer for continuous mixing of materials.

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MULTICOLOR UNIT [optional]

˜Independent unit controlled by field bus to feed the pigment in the head of PU injection group.
˜Gear pump with synchronous motor controlled by card to get a precise dosing.
˜Use of standard pigment tanks supplied by producers of colouring pastes.
˜Removable tank cover with mechanical stirrer.

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Wintech S.r.l. ® 2014 tutti i diritti riservati - P.I. e C.F. 03431990286 -E-mail: info@wintechitalia.it
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