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Laboratory Press equipped with Cooling system

Laboratory Press equipped with Cooling system

Laboratory press for the compression moulding of thermoplastic materials equipped with cooling circuit.

Instrument characteristics

The complete design of Gibitre press has been specifically developed to get the best possible results: Mechanical structure with 4 columns (60 mm diameter) and sliding plate driven by self-lubricating bushing Hydraulic system with 20 tons closure force (which ensures 5 MPa pressure over 200x200 mm mould surface).
250x250 mm chrome plated steel platens with 40 mm thickness to ensure minimal deflection even at high pressing forces.
Specifically designed flat heating elements to ensure uniform temperature distribution over the platen surface (max 2°C)
According to the needs of the customer, the press may be equipped with Automatic Press Control, Cooling system and Closure Force Control.

Automatic Press Control

Gibitre Press Control: PLC with touch-screen display that permits to set the moulding cycle by setting the displacements of the moving plate of the press, the temperatures of the plates at the different stages of the moulding cycle and the closure forces (with the force control option installed)
Digital pressure regulation system specially designed for applications that require an accurate control of closure force. The Gibitre Press Control device permits to set different closure forces during the moulding cycle.
Mould with extraction rail for the production of plates 200x200 mm and thickness upon request
Moulds for the creation of plates and specimens in compliance with standard

The cooling system

Cooling is required for moulding of thermoplastics because the moulded part must be brought to solidification temperature before opening the mould. 
The cooling is performed by means of integrated cooling platens and requires the connection to a water source or a chiller.
The Automatic Press Controller automatically regulates the cooling system according to the tempe- rature and cooling rate set in the moulding cycle.
When the set final temperature has been reached, the platens may be automatically opened for the extraction of the moulded part.

Max platen stroke
200 mm
Max useable platen surface
250 mm x 250 mm
Max closure force
20 Tons = 200KN
From room temperature to 250°C (300°C optional). 0.1°C Resolution
Platen temperature control
Independent temperature control of the plates by means of PID controllers Maximum Temperature difference in the 200x200 mm central area: 2°C
Touch Screen PLC controller (optional)
PLC with touch-screen display. Permits to set: - movements of the moving plate - temperatures of the plates. - activation of cooling and cooling rate (with cooling option) - closure force (with regulation option
Closure Force Regulator (optional)
Special hydraulic system for continuous force regulation during the closure of the platens. The closure force can be set between 6 and 200 kN with 100 N regulation steps. Max regulation error below 10%.
Platen cooling
Press Platens with water cooling circuit The control of the cooling and of the cooling rate is controlled by the PLC controller The connection to a water source or a Chiller is required (fittings 1/4'')
Power supply
380 VAC ±10%,50 Hz ±3, 10 A,three-phase -Other on request
Electrical power
6 KW
(Width x Depth x Height) 1100 x 550 x 1650 mm
520 Kg

Contact Information

Itec Ltd.
38th HaBarzel St. Ramat Hachayal,
Tel-Aviv 6971054

Tel: +972-3-6491202
Fax: +972-3-6497661
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