Molding injection manufacturer TSY Molding Limited specializes in overmold, unscrewing mold, precision mold, injection molding design, injection mold tooling, molding mass production to international standards.
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Quality

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Inspection GO and NOGO gauges.

TSY  Molding Limited evaluates all molds under normal molding production conditions. 
Plastic injection molds with delicate mold trials of evaluation before export shipment. These include
-  Parts analysis of this wall, sharp steel, uniform wall thickess of less internal stress deformation, etc.
-  balance filling of all impressions,
-  under extra over injection pressure for flashes, ejector marks
-  temp. measurement difference for plastic stress 
-  stable net weight analysis
-  any deviation from Mold Flow Analysis
-  pilot sampling with plastic part quality in dimensional and cosmetic analysis
For more information and with  equipment of  TSY Molding Limited  http://www.injectionmoldingsupplier.com/quality.html

Other Certificates of Quality Assurance as belows:-

Tool  Steel  Certificate 

Heat Treatment Certificate

Plastic Material COA

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To  quality tooling, we verify them by means :-
Step 1:  Balance filling into all impressions under zero holding pressure.
​It ensures no part under short filling and or over-packed.
Step 2: Freezing point of gate.  
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From the moment that your product weight is stable the correct holding time is reached !  
Please note that during this test the cooling time should not be changed !!
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Step 3. Checklist Trial Run Report. 
Step 4. FAI (First Article Inspection Report)