Outside clamping machining equipment for tube panels GR76
The PROTEM GR series are outside clamping machines, specifically designed for membrane wall panels. They enable simultaneous weld end preparations and excavation of the wall membranes. The machine’s body is made of aluminium with improved mechanical characteristics which permit a combination of lightness and resistance, particularly adapted to on site machining conditions. The clamping device is composed of a fixed jaw and a mobile jaw, actuated by a ratchet. One set of jaws is necessary for each diameter. Therefore, the customer shall indicate the diameters of the pipes to be machined. The feed operation is performed manually, thanks to a ratchet. The PROTEM GR machines are equipped with special milling tools, fitted with standard carbide inserts. Each milling tool is dedicated to one specific machining operation. All milling tools are designed to meet customer’s specifications. Again, the customer shall provide all details relevant to the machining to perform. Ideally, a detailed drawing has to be supplied. All components are of a modular design for easy maintenance and safety.
Technical Features
Machining capacity: 38 mm ID – 76 mm OD
Max. wall thickness: ~ 5 mm
Feed: 28 mm
Weight appr: 16 kg with pneumatic drive
Dimensions: 370 X 460 X 70 mm
Rotation speed: 156 Upm – 156 rpm
Drive: Pneumatic (1,46 kW)
Air pressure: 6 bar
Air consumption: 2200 l/min

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PROTEM SAS
Z.I. Les Bosses
26800 Etoile-sur-Rhone
+33 (0) 4 75 57 41 41
+33 (0) 4 75 57 41 49






