Casting forming process is mainly detection: wall thickness, surface quality and tube wall thickness by the inspector visual weight.
Mainly by observing the as-cast ductile pipe color change, step thick wall thickness uniformity.
Normal should be uniform dark red color, if the shiny red (
Shows that wall thickness thicker)
And handlers need to adjust the parameters;
If the local black pipe shaft (
Indicate with thin wall thickness)
, shall be sentenced to waste.
Surface quality by qc inspector visual.
Main testing cold insulation, double skin, obvious casting
defects such as porosity.
In the first place at the top of the pipe the car reached orbit, the electronic weighing and displayed on the console, convenience of operation personnel to correct casting parameters, ensure the pipe weight.
Second after socket cores for cleaning before entering the annealing furnace once again by the electronic weighing, testing the pipe net weight and the weight is not up to standard of waste.
Specific details can click on the company's official website: http://www.
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