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News
How to solve shell expansion of stainless steel investment castings?
When making stainless steel investment castings,we often meet shell expansion defect.Shell expansion defect is caused by volume solidification mode of modular cast iron ally and graphitization expansion in the process of eutectic transformation.Below Tongda will talk about how we solve this problem.
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PO Procedure for investment castings
A PO Procedure starts from inquiry to PO closed.To make this process standard,we have a strick procedure to follow.Tongda mainly exporting investment castings to overseas customers,such PO procedure will help us to have a better communication with our customers.
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How to do Lettering on investment castings?
Lettering are widely required on investment castings made in Ningbo Zhiye in China. Such lettering can help to identify the investment castings, trace the quality of the investment castings. There're lots of lettering types on investment castings in China. Then, how to do the lettering on invest......
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Powder coating for investment castings
Definition Powder coating is a common way for investment castings.So what is powder coating? It is a surface treatment way that spray plastic powder on the investment castings. We could also call it electrostatic powder spraying coating. Spraying color should be consistent with the selected sampl......
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Features of stainless steel casting special resin
The most important feature of stainless steel investment casting special resin is high temperature resistance.Even at very high temperature,could maintain the integrity of structure and stablity of the sizes.Below are the main features of stainless steel casting special resin:
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