The sprue bushing directs the molten plastic by way of channels (called “runners”) that are be} machined into the faces of the A and B halves of the mould. Then, utilizing a controlled electrical supply, the electrode is used to destroy and disperse the metal within the area reverse of the electrode. A spark gap of a few thousandths Stylus Pen of an inch is all the time maintained between the electrode and workpiece.
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The sprue bushing directs the molten plastic by way of channels (called “runners”) that are be} machined into the faces of the A and B halves of the mould. Then, utilizing a controlled electrical supply, the electrode is used to destroy and disperse the metal within the area reverse of the electrode. A spark gap of a few thousandths Stylus Pen of an inch is all the time maintained between the electrode and workpiece.
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