It Control the Pressure Maintaining and the Time-Delay in the Low Pressure Die Casting to Substituting a Digit Thermometer for a Time Relay

Wang Dong

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It Control the Pressure Maintaining and the Time-Delay in the Low Pressure Die Casting to Substituting a Digit Thermometer for a Time Relay
Issue 1, (1996)
Published： 1996 ，
DOI：

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[1]王冬,贾春红,李玉梅,郭广思,黄秀琦.用数字温度表控制低压铸造中的保压延时[J].特种铸造及有色合金,1996(01):37-39.

Wang Dong. It Control the Pressure Maintaining and the Time-Delay in the Low Pressure Die Casting to Substituting a Digit Thermometer for a Time Relay. [J]. Special Casting & Nonferrous Alloys (1).(1996)
[1]王冬,贾春红,李玉梅,郭广思,黄秀琦.用数字温度表控制低压铸造中的保压延时[J].特种铸造及有色合金,1996(01):37-39. DOI：

Wang Dong. It Control the Pressure Maintaining and the Time-Delay in the Low Pressure Die Casting to Substituting a Digit Thermometer for a Time Relay. [J]. Special Casting & Nonferrous Alloys (1).(1996) DOI：

摘要

通过传热学理论找到了液态金属凝固结束时型内温度变化规律，从而解决了低压铸造保压延时难以控制的问题。

Abstract

this paper has found out the law of temperature variety in the impression by heat transfer theory when liquid metal has been solidified. This solves to be difficult to control the problem during the pressure maintaining and time-delay.