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The mould with Movable forming Core
The inclined guide pin 12 is in the movable mold and wedge inserts 14 in the stationary mold as show in Fig 7.13. The inclined guide pin 12 is fixed in the movable frame plate 10, and the wedge insert 14 can move on the stationary ejector plate 3. The forming core 13 can be moved inside of movable frame plate 10 during the mold opening.
Operation: When the mold opens, the side insert 14 is pulled out of the workpiece by the guide
pin 12. At same time the movable core 13 is held by workpiece and the ejector plate 4 is actuated by
the pin 5 forced by spring 6. Following the mold opens, the ejector bar 9 of which soon engages the
stop of the machine. The ejector bar 9 lifts the ejector plate 4 to push workpiece out of the mobile
forming core 13. For next injection process, the mold closes, the guide pin 12 slips into the inclined
hole of the side inserts 14, hence the side insert is kept in position by the supporting wedge 11.
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Tuofang company is specialized in designing and manufacturing Plastic Injection.
No. 345 Xinjiang Road, Xinqian Street of Huangyan, Taizhou City, 318020, Zhejiang Province, China