| Static intrusion machine with modular system for moulding of footwear articles. |
| Machines of range "MODULO IS", are intrusion presses for the moulding of components in thermoplastic materials such as PVC, TR, Polyurethane, etc. The range is composed of three versions, with one, two or three fully independent working stations. The MODULO IS was studied for the specific moulding of singlecolour soles in compact and expanded material. This version is set to facilitate the application of robots for either ejection and insertions of inserts. Presma has taken special care for mechanism of nozzle height and mould height regulation, to provide easy intervention to the operation and short times of working. Extrusion unit The extrusion unit is composed of a three-speed motor-reducer, which is connected to plasticizing screw. Each unit is provided of three thermoregulated zones. The supporting system of material hoppers allows the operation of material and/or colour change independent for each working station. Each extruder is provided of a mechanical system for nozzle height adjustment. (Optional: with electrical control). Clamping unit Vertical clamping unit run by toggle with movable plates. The toggle, placed on lower part of the unit, is supplied as standard version with hydraulic control. The lubrication is obtained with manual pump. (Optional: with electrical control). Each unit is provided of tanks for lubricating oil collection. The mould height regulation, manual with gears, is placed on the upper movable plate, and may be supplied with electrical motor-reducer. The seats for an eventual upper ejector are placed directly on the upper movable plate. The reaction plate includes a table for mould traslation and for mouldings extraction. This extraction is run by a pneumatic cylinder. Standard devices are: mould cooling, anti--shrinkage air spout, end of injection with a microswitch in the mould. Idraulic plant The version with clamping unit run by hydraulic control is provided of an hydraulic device. Working pressure regulations are independent for each single clamping unit. The device is provided with a heat exchanger and level indicator. On request, the machine may be supplied with an electrical level indicator, temperature indicator, and of a thermostatic valve on oil cooling circuit. 4-way flow-switch for mould cooling circuit. Control panel Electromechanical control panel through which it is possible to run all moulding parameters. Each working station is provided with a command board for manual operation. Possibility of manual, semiautomatic and automatic cycle operation (with robots). Optional Hydraulic clamping, nozzle height electrical adjustment, extrusion height electrical adjustment, hydraulic ejector, valve nozzle for moulding of expanded, upper extractor, screw-piston injection unit. |
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