Device and method for detecting abnormality in die casting durin

Details Device and method for detecting abnormality in die casting durin Device and method for detecting abnormality in die casting durin

1993-12-28

1995-02-14

Lin, Kuang Y.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164113, 164131, 1641511, 1641541, 164347, 164312, B22D 2904, B22D 1700

Patent

active

053886291

ABSTRACT:
A device for detecting galling which may produce deformations during an ejection process of die castings from a die. The device includes a setting device for storing a predetermined set value, the predetermined set value including an upper limit of acceleration of an ejector plate during the ejection process and a predetermined time period during the ejection process. An accelerometer is disposed to the ejector plate for measuring the acceleration thereof during the ejection process. A computing device is provided for comparing the acceleration measured by the accelerometer with the predetermined set value and outputting a warning signal when the acceleration measured at the accelerometer exceeds the upper limit during the time period. Thus, timely detection of galling can result.

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