Apparatus for tempering tools for use on the form tools of...

Details Apparatus for tempering tools for use on the form tools of... Apparatus for tempering tools for use on the form tools of...

B - Operations, Transporting

29

C

38/28

B29C 45/73 (2006.01) B29C 45/78 (2006.01) G05B 5/00 (2006.01)

Patent

CA 1249435

Abstract An apparatus for tempering tools, for use on the form tools of extrusion forming machines. In the injection moulding tools there are conduction circuits for a coolant which are connected to ducts for the inflow and backflow of the coolant. Valves (4) control the throughflow of the coolant. There are temperature sensors (5, 6) in the ducts for the inflow and backflow of the coolant. The temperature sensors (5, 6) are connected to a computer (7) which controls the opening and closing times of the valves (4) as a function of a nominal difference fed in between the inflow and back- flow temperatures of the coolant. Advantageously, a temper- ature sensor (3) which is also connected to the computer (7) is provided on the form tool.

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