{"id":2484,"date":"2026-05-29T09:02:47","date_gmt":"2026-05-29T09:02:47","guid":{"rendered":"https:\/\/hephaprecision.com\/?p=2484"},"modified":"2026-05-20T09:23:52","modified_gmt":"2026-05-20T09:23:52","slug":"metal-slivers-in-stamping","status":"publish","type":"post","link":"https:\/\/hephaprecision.com\/ja\/metal-slivers-in-stamping\/","title":{"rendered":"\u30b1\u30fc\u30b9\u30b9\u30bf\u30c7\u30a3\u9ad8\u901f\u30d7\u30ec\u30b9\u52a0\u5de5\u306b\u304a\u3051\u308b\u91d1\u5c5e\u7247\u3068\u91d1\u578b\u30c0\u30b9\u30c8\u306e\u96a0\u308c\u305f\u7406\u7531"},"content":{"rendered":"
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<\/p>","protected":false},"excerpt":{"rendered":"

We brought their current punches into our testing lab and inspected the flanks under a 50x projector. The inspection revealed that the root cause wasn’t the press parameters, material hardness, or lubrication tank at all. It was the micro-finish of the punch sides. Here is the mechanical reality on the shop floor: during high-speed, tight-clearance stamping, if the flanks of a punch carry even microscopic grinding marks from conventional machining, those marks act like a fine steel file. As the tool punches through the strip, it “shaves” the material instead of cleanly shearing it. This continuous micro-friction is exactly where those tiny metal slivers originate. Following the installation of the […]<\/p>","protected":false},"author":1,"featured_media":2485,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"#gspb_row-id-gsbp-9af37e2,#gspb_row-id-gsbp-c2560ab{justify-content:space-between;margin-top:0;margin-bottom:0;display:flex;flex-wrap:wrap}#gspb_row-id-gsbp-9af37e2>.gspb_row__content{display:flex;justify-content:space-between;margin:0 auto;width:100%;flex-wrap:wrap}.gspb_row{position:relative}div[id^=gspb_col-id]{box-sizing:border-box;position:relative;padding:var(--gs-row-column-padding, 15px min(3vw, 20px))}#gspb_col-id-gsbp-895bed5.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-895bed5.gspb_row__col--6{width:100%}}#gspb_col-id-gsbp-1875014.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-1875014.gspb_row__col--6{width:100%}}#gspb_row-id-gsbp-c2560ab>.gspb_row__content{display:flex;justify-content:space-between;margin:0 auto;width:100%;flex-wrap:wrap}body.gspb-bodyfront #gspb_row-id-gsbp-9af37e2>.gspb_row__content,body.gspb-bodyfront #gspb_row-id-gsbp-c2560ab>.gspb_row__content{width:var(--theme-container-width, 1200px);max-width:var(--theme-normal-container-max-width, 1200px)}#gspb_col-id-gsbp-b9a001b.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-b9a001b.gspb_row__col--6{width:100%}}#gspb_col-id-gsbp-eacd520.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-eacd520.gspb_row__col--6{width:100%}}","footnotes":""},"categories":[1],"tags":[224,223,226,227,228,225],"class_list":["post-2484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news","tag-diedust","tag-metalslivers-2","tag-partburrs","tag-punchwear","tag-stampingdefects","tag-stampingscrap"],"blocksy_meta":[],"yoast_head":"\nMetal Slivers in Stamping: How Punch Micro-Finish Stops Die Dust<\/title>\n<meta name=\"description\" content=\"Struggling with metal slivers in stamping? Changing oil won't stop chronic die dust. Discover how punch flank micro-finish eliminates tool room downtime.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hephaprecision.com\/ja\/metal-slivers-in-stamping\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metal Slivers in Stamping: How Punch Micro-Finish Stops Die Dust\" \/>\n<meta property=\"og:description\" content=\"Struggling with metal slivers in stamping? Changing oil won't stop chronic die dust. 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