ืชื‘ื ื™ื•ืช ืžืจื•ื‘ื•ืช ืฉืงืขื™ื
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ื—ื™ืคื•ืฉ

4 ื ืงื•ื“ื•ืช ืฉื›ื“ืื™ ืœื”ื›ื™ืจ ื‘ืชื‘ื ื™ื•ืช ืžืจื•ื‘ื•ืช ืฉืงืขื™ื (ืžื•ื‘ืœืขื•ืช)


injection mold

ื”ืขื™ืกื•ืง ื‘ืคืœืกื˜ื™ืงื” ื“ื•ืจืฉ ืžืืชื ื• ื“ืงื“ื•ืง ื‘ืคืจื˜ื™ื ื”ืงื˜ื ื™ื ื›ืฉืžื•ื ื—ืช ืขืœ ื”ื›ืฃ ื”ื™ื›ื•ืœืช ืฉืœื ื• ืœืขืžื•ื“ ื‘ืžืฉื™ืžื” ืฉืงื‘ืขื ื• ืœืขืฆืžื ื•. ืงื‘ืœื• ืžืกืคืจ ืขืฆื•ืช ื˜ื•ื‘ื•ืช ืฉื™ืขื–ืจื• ืœื›ื ืœื™ื™ืฆืจ ื‘ื”ืฆืœื—ื” ื‘ืืžืฆืขื•ืช ืชื‘ื ื™ื•ืช ืžืจื•ื‘ื•ืช ืฉืงืขื™ื.


1. ืขื•ื‘ืจื™ื ืžืชื‘ื ื™ืช ื‘ื•ื“ื“ืช ืœืชื‘ื ื™ืช ืžืจื•ื‘ืช ืฉืงืขื™ื

ืžืขื‘ืจ ืžืชื‘ื ื™ืช ื”ื–ืจืงื” ื‘ืขืœืช ืฉืงืข ื‘ื•ื“ื“ ืœืชื‘ื ื™ืช ื”ืžื›ื™ืœื” ื—ืœืœื™ ื”ื–ืจืงื” ืจื‘ื™ื, ืžืคื—ื™ืชื” ืขืœื•ื™ื•ืช ื™ืฆื•ืจ, ื•ืžื’ื“ื™ืœื” ืืช ืงืฆื‘ ื”ื™ื™ืฆื•ืจ. ื”ื“ื‘ืจ ื ื›ื•ืŸ ื›ืœ ืขื•ื“ ื ืขืฉื™ื ื”ืฆืขื“ื™ื ื”ื ื›ื•ื ื™ื ื‘ืขื ื™ื™ืŸ. ื‘ืชื‘ื ื™ื•ืช ืžืจื•ื‘ื•ืช ืฉืงืขื™ื ื”ื ื—ืฉื‘ื•ืช ื’ื“ื•ืœื•ืช ื™ื•ืชืจ ื•ืžื•ืจื›ื‘ื•ืช ืžืชืขื•ืจืจ ืงื•ืฉื™ ื‘ื”ื–ืจืžืช ืคืœืกื˜ื™ืง ืžื•ืชืš, ื•ืœื›ืŸ ืžื‘ืฆืขื™ื ืฉื™ื ื•ื™ ื‘ื›ื ื™ืกื•ืช ื”ื—ื•ืžืจ ื•ื‘ืชืขืœื•ืช ื”ื—ื•ืžืจ ื‘ื”ืชืื, ื“ื‘ืจ ื”ืžืฉืคื™ืข ืขืœ ื‘ื™ืฆื•ืขื™ ื”ื™ืฆื•ืจ ื•ืื™ื›ื•ืชื•. ื›ืžื• ื›ืŸ, ื™ืฉ ื—ืฉืฉ ืžืคืขืจื™ ื˜ืžืคืจื˜ื•ืจื” ื‘ื’ื•ืฃ ื”ืชื‘ื ื™ืช ืฉื›ืŸ ื”ืคืœืกื˜ื™ืง ื ื“ืจืฉ ืœื ื•ืข ืœืžืจื—ืง ื’ื“ื•ืœ ื™ื•ืชืจ ืœืงื• ื”ืกื™ื•ื. ื‘ื›ืš ื’ื“ืœ ื”ืกื™ื›ื•ืŸ ืœืžื™ืœื•ื™ ื—ืœืงื™ ืฉืœ ื”ืชื‘ื ื™ืช ืื• ื”ื™ื•ื•ืฆืจื•ืช ืฉืงื™ืขื•ืช ื•ืขื™ื•ื•ืชื™ื ื‘ืžื•ืฆืจ ื”ืžื•ื’ืžืจ. ื—ืœืงื™ื ืฉืขื‘ื“ื• ื‘ืฆื•ืจื” ืžื•ืฉืœืžืช ื‘ืชื‘ื ื™ืช ื‘ื•ื“ื“ืช ืขืœื•ืœื™ื ืœื”ืชื’ืœื•ืช ื›ื‘ืœืชื™ ืžืกืคืงื™ื ืœืื—ืจ ืžืขื‘ืจ ืœืชื‘ื ื™ืช ืžืจื•ื‘ืช ืฉืงืขื™ื, ื•ืœืขื™ืชื™ื ืงืจื•ื‘ื•ืช ื™ืฉ ืœืขืฉื•ืช ืฉื™ื ื•ื™ื™ื ื‘ืชื›ื ื•ืŸ ื›ื“ื™ ืœืฉื—ื–ืจ ืืช ื”ืื™ื›ื•ืช ื”ืžืงื•ืจื™ืช. ื–ืืช ื‘ืืžืฆืขื•ืช ืฉื™ื ื•ื™ ืงืœ ื‘ืžื‘ื ื” ื”ืชื‘ื ื™ืช.

2. ืคืชื—ื• ืืช ื”ืฉืขืจ ืคืชื—ื•ื”ื• ืจื—ื‘

gate types in molds

ื‘ื“ื•ืžื” ืœื›ืœ ืฉืขืจ ืจื’ื™ืœ ื›ืžื• ืฉืขืจื™ื ื‘ื ืžืœ ืชืขื•ืคื” ื•ื‘ื‘ื™ืช ืกืคืจ, ืชืคืงื™ื“ื ืฉืœ ื›ื ื™ืกื•ืช ื”ื—ื•ืžืจ (ืฉืขืจื™ื) ื‘ื”ื–ืจืงื” ื”ื•ื ืœืฉืœื•ื˜ ืขืœ ื–ืจื™ืžืช ืคืœืกื˜ื™ืง ื—ื ืœืชื•ืš ื”ืชื‘ื ื™ืช ื‘ืชื—ื™ืœืช ืžื—ื–ื•ืจ ื”ื”ื–ืจืงื”, ื•ืœืฉืžื•ืจ ืขืœ ื”ืœื—ืฅ ืฉืœ ื”ื—ื•ืžืจ ืขื“ ืฉื”ืžื•ืฆืจ ืžืชืงืจืจ.

ื‘ืชื‘ื ื™ืช ืฉืœ ืฉืงืข ื™ื—ื™ื“ ื ื”ื•ื’ ืœื”ืฉืชืžืฉ ื‘ื“ืจืš ื›ืœืœ ื‘ื›ื ื™ืกื•ืช ื™ืฉื™ืจื•ืช ื•ื›ืŸ ื‘ื“ื™ื–ื•ืช ื—ืžื•ืช ื”ืžืชืžื•ื“ื“ื•ืช ื™ืคื” ืขื ืฆื•ืจื•ืช ื’ืื•ืžื˜ืจื™ื•ืช ืžื•ืจื›ื‘ื•ืช ื•ืžืืคืฉืจื™ื ืœืงืฆื•ืฅ ืืช ื”โ€ื–ื ื‘โ€ ืฉื ื•ืชืจ ื‘ืžื•ืฆืจ (ื‘ื›ื ื™ืกื” ื™ืฉื™ืจื”). ื›ื ื™ืกื•ืช ืืœื” ืื™ื ืŸ ืžืชืื™ืžื•ืช ื‘ื“ืจืš ื›ืœืœ ื‘ืชื‘ื ื™ืช ืžืจื•ื‘ืช ืฉืงืขื™ื. ืคื” ื ื“ืจืฉ ืžืฉื”ื• ื™ื•ืชืจ ื’ืžื™ืฉ, ื›ืžื• ื›ื ื™ืกื•ืช ืžืฆื“ ื”ืžื•ืฆืจ (edge gate) ืื• ืฆื•ืœืœื•ืช.

3. ืžื” ืขื•ืฉื™ื ืขื ืชื‘ื ื™ื•ืช ืžืฉืคื—ืชื™ื•ืช?

ื‘ืžืงืจื” ืฉืœ ื”ื™ืงืคื™ ื™ืฆื•ืจ ื ืžื•ื›ื™ื ืžื•ืžืœืฅ ื‘ื“ืจืš ื›ืœืœ ืœืœื›ืช ืขืœ ืชื‘ื ื™ืช ืžืฉืคื—ืชื™ืช. ืžื” ื”ื›ื•ื•ื ื”? ืžื›ื ื™ืกื™ื ืœืชื•ืš ืื•ืชื” ืชื‘ื ื™ืช ืžื•ืฆืจื™ื ืฉื•ื ื™ื. ืชื‘ื ื™ืช ืžืฉืคื—ืชื™ืช ื”ื™ื ื” ืชื‘ื ื™ืช ืžื•ืจื›ื‘ืช ื•ืœื›ืŸ ื™ืฉ ืœื”ืชื™ื™ื—ืก ืืœื™ื” ื›ื›ืœ ืชื‘ื ื™ืช ืžืจื•ื‘ืช ืฉืงืขื™ื ืื—ืจืช ืขื ืื•ืชื ื“ื’ืฉื™ื ืฉืœ ื–ื”ื™ืจื•ืช ื•ื–ืืช ื‘ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ืื™ื›ื•ืช ื‘ื™ืฆื•ืข ืกื‘ื™ืจื”. ื›ื“ื™ ืœื”ืฉื™ื’ ืชื•ืฆืื•ืช ื˜ื•ื‘ื•ืช, ื—ืฉื•ื‘ ืฉืื•ืคื™ ื”ื—ืœืงื™ื ื‘ืชื‘ื ื™ืช ืžืฉืคื—ืชื™ืช ื™ื”ื™ื” ื“ื•ืžื” ืžื‘ื—ื™ื ืช ืขื•ื‘ื™ ื“ื•ืคืŸ, ืžืฉืงืœ, ื’ื•ื“ืœ ื•ื›ื“ื•ืžื”.

4. ื–ื•ืจืžื™ื ื‘ื›ื™ืฃ

ื™ืฉ ื—ื•ืžืจื™ื ื‘ืขืœื™ ื–ืจื™ืžื” ื’ื‘ื•ื”ื” ืฉืžื•ืชืืžื™ื ื™ื•ืชืจ ืžื—ื•ืžืจื™ื ืื—ืจื™ื ืœืžื™ืœื•ื™ ืชื‘ื ื™ื•ืช. ื—ื•ืžืจื™ื ืืœื” ื‘ืขืœื™ ืจืžืช ืฆืžื™ื’ื•ืช ื ืžื•ื›ื” ื•ืœื›ืŸ ื ืขื“ื™ืฃ ืื•ืชื ืขืœ ืคื ื™ ืื—ืจื™ื ืขื‘ื•ืจ ืชื‘ื ื™ื•ืช ืžืจื•ื‘ื•ืช ืฉืงืขื™ื ื•ืชื‘ื ื™ื•ืช ืžืฉืคื—ืชื™ื•ืช.



ื“ื™ื•ืŸ ื•ืžืกืงื ื•ืช

ืฉื™ืžื•ืฉ ื‘ืชื‘ื ื™ืช ืžืจื•ื‘ืช ืฉืงืขื™ื ื ื•ืขื“ ืœืฆืžืฆื•ื ืขืœื•ื™ื•ืช ื™ื™ืฆื•ืจ ื”ื—ืœืงื™ื, ื”ื’ื“ืœืช ืงืฆื‘ ื”ื™ื™ืฆื•ืจ ื•ื ื›ื•ืŸ ื”ื“ื‘ืจ ืœื’ื‘ื™ ื”ื™ืงืคื™ื ืฉืœ ืขืฉืจื•ืช ืืœืคื™ื ื•ื’ื ืžื™ืœื™ื•ื ื™ ื—ืœืงื™ื. ื‘ื›ื“ื™ ืœื”ืฉื™ื’ ืืช ื”ืžื˜ืจื” ื”ื—ืฉื•ื‘ื” ื”ื–ืืช ื ื“ืจืฉ ืชื›ื ื•ืŸ ืžื“ื•ืงื“ืง. ื ื™ืกื™ื•ื ื•ืช ืœืงื™ืฆื•ืจื™ ื“ืจืš ื‘ื“ืžื•ืช ื•ื™ืชื•ืจ ืขืœ ืฉืœื‘ ื”ืื‘ ื˜ื™ืคื•ืก ืขืœื•ืœื™ื ืœื”ืชื’ืœื•ืช ื›ืžืงื— ื˜ืขื•ืช ื•ื›ื“ืื™ ืœื•ื•ืชืจ ืขืœื™ื”ื ืฉื›ืŸ ื”ืžืขื‘ืจ ืœืชื‘ื ื™ืช ืžืจื•ื‘ื” ื“ื•ืจืฉ ืœืขื™ืชื™ื ืงืจื•ื‘ื•ืช ืฉื™ื ื•ื™ื™ื ืงืœื™ื ืฉื™ืฉ ืœื‘ืฆืข ื‘ืชื‘ื ื™ืช ืื• ื‘ื—ื•ืžืจ ื”ื™ืฆื•ืจ, ื•ื—ืฉื•ื‘ ืœื‘ืฆืข ืฉื™ื ื•ื™ื™ื ืืœื” ืœืคื ื™ ื™ื™ืฆื•ืจ ื”ืชื‘ื ื™ืช. ื‘ื”ืฆืœื—ื”. ืžืชืœื‘ื˜ื™ื ืื ืœื™ื™ืฆืจ ืชื‘ื ื™ืช ืžืจื•ื‘ืช ืžื•ื‘ืœืขื•ืช?

ืฆืจื• ืื™ืชื ื• ืงืฉืจ ืœื”ืชื™ื™ืขืฆื•ืช.


ืžื—ื•ื™ื™ื‘ื™ื ืœื”ืฆืœื—ืช ื”ืคืจื•ื™ื™ืงื˜ ื”ื‘ื ืฉืœืš! ื‘ื•ืขื– ื–ืจ ื•ืฆื•ื•ืช ืคืœืกื˜ื•ืžื•ืœื“.

343 ืฆืคื™ื•ืช0 ืชื’ื•ื‘ื•ืช
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