バルブの鋳造金型はどのように検査するか？
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バルブの鋳造金型はどのように検査するか？ 例えばボールバルブの鋳造金型
図面サイズ＋加工余量＋収縮率でサイズが決まり、収縮率は使用する鋳造工程によって異なります。
専用の検査ツールがあるでしょう、図面に従って行う必要があります
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