Apparatus for measuring injection speed in injection molding mac

Details Apparatus for measuring injection speed in injection molding mac Apparatus for measuring injection speed in injection molding mac

1981-11-12

1983-04-19

Krass, Errol A.

Boots, shoes, and leggings

264 407, 324166, 364476, 425145, 377 16, 377 20, G01P 348, G06F 1546

Patent

active

043808018

ABSTRACT:
In apparatus for measuring injection speed of an injection molding machine having a piston rod reciprocated by an injection cylinder of the injection molding machine, a plunger rod having, at an end thereof, a plunger tip slidably received in a plunger sleeve connected to a die, and a plunger coupling for interconnecting the plunger rod and the piston rod, the plunger coupling is provided with a projection. A proximity switch detects the projection while the plunger coupling moves. In accordance with the output of the proximity switch, the speed of the plunger coupling is computed.

REFERENCES:
patent: 3824015 (1974-07-01), Petit et al.
patent: 3888388 (1975-06-01), Mahoney
patent: 3899664 (1975-08-01), Bencini et al.
patent: 3932083 (1976-01-01), Boettner
patent: 3941534 (1976-03-01), Hunkar
patent: 4159293 (1979-06-01), Fukase et al.

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