In the selection of vertical injection mold
ing machine is the most basic four elements?
Precision manufacturer to introduce you to the next.
, molar volume, for both mould length * width * height, choose suitable for factory product mould specifications and slightly larger than the mould, for elder brother Lin Zhu within the effective distance;
Second, the injection quantity, average is calculated on the plastic PS, unit for an ounce (
, because of PS density ratio is a vertical to 1 cm.
5 g, this is a conventional calculating unit.
Different plastic for structure density than is different, so choose products turnning water mouth contrast injection molding machine is the most effective injection amount is not greater than 80% and not less than 20% for models;
Said three, the product precision, the accuracy of the plastic product is directly related to the choose and buy of the machine and configuration requirements, such as engineering plastics must choose alloy screw and feed tube, screw length to diameter ratio L/D more than 20 times more, can achieve good plasticizing standards and requirements.
Should product precision requirements can choose specific pressure + than flow or half closed loop type or full closed loop circuit control, etc. ;
Four, the clamping force for injection molding surface is the most crucial part of the clamping force per tons of said unit (
, the selection of the clamping force standard to plastic products of different length * width * plastic should be resistance.
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