Eleven Defects and Their Reasons for Die Casting Parts（Part Four）
- Aug 13, 2019
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7. Cold Shut A. Defect Characteristic: Poor filling conditions cause visible die casting defects on the die casting surfaces. B. The main influence factors: molten metal temperature mold temperature fast...
The Quality Defects and Improvement Measures of Aluminium Alloy Die Casting Parts (Part One)
- Aug 13, 2019
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Introduction: High pressure die casting is widely applicable to many industries and areas as a kind of special forming technology. It has been an indispensable part, especially for scaled automobile,...
The Quality Defects and Improvement Measures of Aluminium Alloy Die Casting Parts (Part Two)
- Aug 13, 2019
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Inclusions 2.2.1 The effects of ferrum, manganese and chromium When aluminium alloy is melting, it is often found that the solid compounds made up of heavy elements deposit on the furnace bed. This kind...
The Quality Defects and Improvement Measures of Aluminium Alloy Die Casting Parts (Part Four)
- Aug 13, 2019
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2.4 Crack The substrate of aluminium alloy die casting parts is destroyed and disconnected, which forms the long and thin gap whose length is up to 50mm. It has irregular shapes of straight or wave lines....
Analyses of Blisters on Zinc Alloy Die Casts' Surfaces (Part One)
- Aug 13, 2019
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Zinc alloy die casts have a major and recurrent defect, which has plagued die casting practitioners and die casting enterprises. Meanwhile, this defect also affects raw material suppliers, die casting,...
Analyses of Blisters on Zinc Alloy Die Casts' Surfaces (Part Two)
- Aug 13, 2019
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2. Causes of water lines, cold shuts and hot cracks 3. Causes of intergranular corrosion Lead, cadmium and tin which are harmful impurities in zinc alloy composition will gather...
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The Function of the Die-casting Mold Temperature Controller
- Aug 13, 2019
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The function of the die casting mold temperature controller The functions of the die casting mold temperature controller are to keep the temperature of Jo and Jm constant and to prevent the temperature...
What Is Difficulty of Lightweight Automobiles? (Part One)
- Aug 13, 2019
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People pay close attention to new energy and automatic drives in future development direction of automobiles. However, people hardly pay attention to lightweight automobiles. Some people even think that...
What Is the Difficulty of Lightweight Automobiles? (Part Two)
- Aug 13, 2019
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In 1990, Honda launched the NSX sports car which was the world's first vehicle model with the whole aluminum body, and it was mass-produced. Honda produced 18,000 sports cars during the fifteen years....
Testing Methods of Drawer Locks, Padlocks and Door Locks
- Aug 13, 2019
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The following testing methods are suitable for testing security degrees, firmness, flexibility and surface quality of iron or copper padlocks, pin tumbler drawer locks, pin tumbler door locks and bicycle...