{"id":21316,"date":"2025-07-03T07:27:14","date_gmt":"2025-07-03T07:27:14","guid":{"rendered":"https:\/\/bfymold.com\/?p=21316"},"modified":"2025-07-09T09:35:01","modified_gmt":"2025-07-09T09:35:01","slug":"spi-surface-finish-standards-for-injection-molds","status":"publish","type":"post","link":"https:\/\/bfymold.com\/ko\/spi-surface-finish-standards-for-injection-molds\/","title":{"rendered":"\uc0ac\ucd9c \uae08\ud615\uc6a9 SPI \ud45c\uba74 \ub9c8\uac10 \ud45c\uc900 \ub9c8\uc2a4\ud130\ud558\uae30"},"content":{"rendered":"\n

SPI \ud45c\uba74 \ub9c8\uac10 \ud074\ub798\uc2a4 \uc774\ud574\ud558\uae30<\/h2>\n\n

SPI \ud45c\uc900\uc740 \uc815\ubc00\ud55c \uac70\uce60\uae30(Ra) \uac12\uacfc \uac00\uacf5 \ubc29\ubc95\uc5d0 \ub530\ub77c \uae08\ud615 \ub9c8\uac10<\/a>\uc7ac\ub97c \ub124 \uac00\uc9c0 \ubc94\uc8fc\ub85c \ubd84\ub958\ud569\ub2c8\ub2e4:<\/p>\n\n

<\/div>\n\n
\"SPI
SPI \ud45c\uba74 \ub9c8\uac10<\/figcaption><\/figure>\n\n
<\/div>\n\n

SPI \ud074\ub798\uc2a4 A: \ub2e4\uc774\uc544\ubaac\ub4dc \uc5f0\ub9c8(\uad11\ud559 \uc120\uba85\ub3c4)<\/h3>\n\n
\ub4f1\uae09<\/td>Ra (\u00b5m)<\/td>\ubc29\ubc95<\/td>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/td><\/tr>
A-1<\/td>0.012-0.025<\/td>#3, 6000 \uadf8\ub9bf \ub2e4\uc774\uc544\ubaac\ub4dc \ud398\uc774\uc2a4\ud2b8<\/td>\uc758\ub8cc\uc6a9 \ub80c\uc988, \ub77c\uc774\ud2b8 \uac00\uc774\ub4dc<\/td><\/tr>
A-2<\/td>0.025-0.05<\/td>#6, 3000 \uadf8\ub9bf \ub2e4\uc774\uc544\ubaac\ub4dc \ud398\uc774\uc2a4\ud2b8<\/td>\ud22c\uba85 \ucee4\ubc84, \ubc18\uc0ac\ud310<\/td><\/tr>
A-3<\/td>0.05-0.10<\/td>#15, 1200 \uadf8\ub9bf \ub2e4\uc774\uc544\ubaac\ub4dc \ud398\uc774\uc2a4\ud2b8<\/td>\ub514\uc2a4\ud50c\ub808\uc774 \uad6c\uc131 \uc694\uc18c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
<\/div>\n\n

SPI \ud074\ub798\uc2a4 B: \uc0ac\ud3ec \uc5f0\ub9c8(\ubc18\uad11\ud0dd)<\/h3>\n\n
\ub4f1\uae09<\/td>Ra (\u00b5m)<\/td>\ubc29\ubc95<\/td>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/td><\/tr>
B-1<\/td>0.05-0.10<\/td>600 \uadf8\ub9bf \uc0ac\ud3ec<\/td>\uac00\uc804 \uc81c\ud488<\/td><\/tr>
B-2<\/td>0.10-0.15<\/td>400 \uadf8\ub9bf \uc0ac\ud3ec<\/td>\ud654\uc7a5\ud488 \ud3ec\uc7a5<\/td><\/tr>
B-3<\/td>0.28-0.32<\/td>320 \uadf8\ub9bf \uc0ac\ud3ec<\/td>\uc0b0\uc5c5\uc6a9 \ud558\uc6b0\uc9d5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
<\/div>\n\n

SPI \ud074\ub798\uc2a4 C: \uc2a4\ud1a4 \ud3f4\ub9ac\uc2f1(\ubb34\uad11\ud0dd \ub9c8\uac10)<\/h3>\n\n
\ub4f1\uae09<\/td>Ra (\u00b5m)<\/td>\ubc29\ubc95<\/td>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/td><\/tr>
C-1<\/td>0.35-0.40<\/td>600 \uadf8\ub9bf \uc2a4\ud1a4<\/td>\uc790\ub3d9\ucc28 \uc778\ud14c\ub9ac\uc5b4<\/td><\/tr>
C-2<\/td>0.45-0.55<\/td>400 \uadf8\ub9bf \uc2a4\ud1a4<\/td>\ub3c4\uad6c \uadf8\ub9bd<\/td><\/tr>
C-3<\/td>0.63-0.70<\/td>320 \uadf8\ub9bf \uc2a4\ud1a4<\/td>\uc2f1\ud06c\ub300 \uc790\uad6d \uc228\uae30\uae30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
<\/div>\n\n

SPI \ud074\ub798\uc2a4 D: \ube14\ub77c\uc2a4\ud305(\ud14d\uc2a4\ucc98 \ud45c\uba74)<\/h3>\n\n
\ub4f1\uae09<\/td>Ra (\u00b5m)<\/td>\ubc29\ubc95<\/td>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/td><\/tr>
D-1<\/td>0.80-1.00<\/td>#11\ubc88 \uc720\ub9ac\uad6c\uc2ac<\/td>\uae01\ud798 \ubc29\uc9c0 \ud45c\uba74<\/td><\/tr>
D-2<\/td>1.00-2.80<\/td>#240 \uc54c\ub8e8\ubbf8\ub284 \uc0b0\ud654\ubb3c<\/td>\ubbf8\ub044\ub7fc \ubc29\uc9c0 \ub3c4\uad6c<\/td><\/tr>
D-3<\/td>3.20-18<\/td>#24 \uc54c\ub8e8\ubbf8\ub284 \uc0b0\ud654\ubb3c<\/td>\uc911\uc7a5\ube44<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
<\/div>\n\n

SPI\uc640 VDI 3400 \ube44\uad50<\/h2>\n\n
\ub9e4\uac1c\ubcc0\uc218<\/td>SPI \ud45c\uc900<\/td>VDI 3400 \ub3d9\uae09<\/td><\/tr>
\uad11\ud559 \ub9c8\uac10<\/td>A-1 (0.012\u00b5m)<\/td>VDI 0 (0.025\u00b5m)<\/td><\/tr>
\ubc18\uad11\ud0dd<\/td>B-1 (0.05\u00b5m)<\/td>VDI 12 (0.15\u00b5m)<\/td><\/tr>
\ubb34\uad11\ud0dd \ud14d\uc2a4\ucc98<\/td>C-2 (0.50\u00b5m)<\/td>VDI 25 (1.0\u00b5m)<\/td><\/tr>
\uac70\uce5c \ud14d\uc2a4\ucc98<\/td>D-3 (12.5\u00b5m)<\/td>VDI 40 (18\u00b5m)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
<\/div>\n\n
\"SPI
SPI \ud45c\uba74 \ub9c8\uac10 ( \uc774\ubbf8\uc9c0 \ucd9c\ucc98: \ud504\ub85c\ud1a0\ub7a9\uc2a4 )<\/figcaption><\/figure>\n\n
<\/div>\n\n

\uc0b0\uc5c5\ubcc4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h2>\n\n
<\/div>\n\n

\uc758\ub8cc \uae30\uae30<\/h3>\n\n
\uc694\uad6c \uc0ac\ud56d<\/td>SPI \uc194\ub8e8\uc158<\/td>\ud61c\ud0dd<\/td><\/tr>
\ubc15\ud14c\ub9ac\uc544 \ub0b4\uc131<\/td>A-1 (Ra 0.025\u00b5m)<\/td>FDA \uc640\uc774\ud504 \ud14c\uc2a4\ud2b8 \ud1b5\uacfc\uc728 100%<\/td><\/tr>
\uc624\ud1a0\ud074\ub808\uc774\ube0c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ud45c\uba74<\/td>B-1 + \ud328\uc2dc\ubca0\uc774\uc158<\/td>500\ud68c \uc774\uc0c1\uc758 \uba78\uade0 \uc8fc\uae30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
<\/div>\n\n

\uc18c\ube44\uc790 \uac00\uc804<\/h3>\n\n
\uc694\uad6c \uc0ac\ud56d<\/td>SPI \uc194\ub8e8\uc158<\/td>\ud61c\ud0dd<\/td><\/tr>
\uc2a4\ud06c\ub798\uce58 \ubc29\uc9c0 \ubca0\uc824<\/td>A-3 + \ud558\ub4dc \ucf54\ud305<\/td>5H \uc5f0\ud544 \uacbd\ub3c4<\/td><\/tr>
\uc9c0\ubb38 \uc800\ud56d<\/td>D-1 \ud14d\uc2a4\ucc98<\/td>\ub208\uc5d0 \uc798 \ub744\uc9c0 \uc54a\ub294 \uc5bc\ub8e9 70% \uac10\uc18c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n
<\/div>\n\n

BFY Mold\uc758 \uc815\ubc00 \uacf5\uc815<\/h2>\n\n
    \n
  1. \ub808\uc774\uc800 \uc2a4\uce90\ub2dd: 0.005mm \uc774\uc0c1\uc758 \ud3b8\ucc28 \uac10\uc9c0<\/li>\n\n\n\n
  2. \ub85c\ubd07 \ud3f4\ub9ac\uc2f1: \u00b10.01\u00b5m Ra \uc77c\uad00\uc131 \ub2ec\uc131<\/li>\n\n\n\n
  3. 3D \uac80\uc99d: \ubd80\ud488\ubcc4 \ud45c\uba74 \ub9e4\ud551<\/li>\n\n\n\n
  4. \uc804\uae30 \ud654\ud559\uc801 \uc720\uc9c0 \uad00\ub9ac: \ub9c8\ubaa8\ub41c \ud14d\uc2a4\ucc98 \ubcf5\uc6d0<\/li>\n<\/ol>\n\n
    <\/div>\n\n

    8\uac00\uc9c0 \ud544\uc218 SPI \ud45c\uba74 \ub9c8\uac10 FAQ<\/h2>\n\n
      \n
    1. \uc2f1\ud06c \ub9c8\ud06c\ub97c \uac00\uc7a5 \uc798 \uc228\uae30\ub294 SPI \ub4f1\uae09\uc740 \ubb34\uc5c7\uc778\uac00\uc694?SPI C-2(Ra 0.45-0.55\u00b5m) \ub9c8\uc2a4\ud06c\ub294 \uc720\ub9ac\ub85c \ucc44\uc6cc\uc9c4 \ud3f4\ub9ac\uba38\uc758 \uc790\uad6d\uc744 \uac00\ub77c\uc549\ud799\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n
        \n
      1. SPI A-2\ub294 \ubd80\ud488 \ubd88\ub7c9\ub960\uc744 \uc5b4\ub5bb\uac8c \uc904\uc774\ub098\uc694?\ube44\uc5f0\ub9c8 \uae08\ud615 \ub300\ube44 60%\uae4c\uc9c0 \ub3d9\uc120\uc744 \uc904\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n
          \n
        1. SPI D-2 \ud14d\uc2a4\ucc98\ub9c1\uc758 \ub9ac\ub4dc \ud0c0\uc784\uc740 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?BFY Mold\uc758 \ud45c\uc900 \uae08\ud615\uc758 \uacbd\uc6b0 7-10\uc77c.<\/li>\n<\/ol>\n\n
            \n
          1. SPI \ub9c8\uac10\uc7ac\ub294 \uc720\ub9ac\ub85c \ucc44\uc6cc\uc9c4 \ub098\uc77c\ub860\uc5d0 \uacac\ub51c \uc218 \uc788\ub098\uc694?\ub9c8\ubaa8\uc131 \uc18c\uc7ac\uc5d0\ub294 \ucd5c\uc18c SPI B-2\ub97c \uc0ac\uc6a9\ud558\uace0, \ud074\ub798\uc2a4 A\ub294 \ud53c\ud558\uc138\uc694.<\/li>\n<\/ol>\n\n
              \n
            1. \uae08\ud615 \ub3c4\uba74\uc5d0 SPI\ub97c \uc9c0\uc815\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?\uc8fc\uc11d \ub2ec\uae30: \u201c\ub9c8\uce68: SPI B-1 PER SPI STD-123\u201d.<\/li>\n<\/ol>\n\n
                \n
              1. SPI D-3\ub294 \ud398\uc778\ud2b8 \uc811\ucc29\ub825\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub098\uc694?\uc608: \uad11\ud0dd \ucc98\ub9ac\ub41c \ud45c\uba74 \ub300\ube44 5\ubc30 \ub354 \uac15\ud55c \uacb0\ud569\ub825(ASTM D4541).<\/li>\n<\/ol>\n\n
                  \n
                1. SPI A-1\uacfc B-1\uc758 \ube44\uc6a9 \ucc28\uc774\ub294 \ubb34\uc5c7\uc778\uac00\uc694?A-1\uc740 \uc218\ub3d9 \uc5f0\ub9c8\ub85c \uc778\ud574 25~40%\uac00 \ucd94\uac00\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n
                    \n
                  1. \ub9c8\ubaa8\ub41c SPI \ub9c8\uac10\uc7ac\ub97c \ubcf5\uc6d0\ud560 \uc218 \uc788\ub098\uc694?\uc804\uae30 \ud654\ud559 \ud14d\uc2a4\ucc98\ub9c1\uc740 \uc6d0\ub798 Ra\uc758 95%\ub97c \ubcf5\uad6c\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

                    SPI \ud45c\uba74 \ub9c8\uac10 \ud074\ub798\uc2a4 \uc774\ud574\ud558\uae30 SPI \ud45c\uc900\uc740 \uc815\ubc00\ud55c \uac70\uce60\uae30(Ra) \uac12\uacfc \uac00\uacf5 \ubc29\ubc95\uc5d0 \ub530\ub77c \uae08\ud615 \ub9c8\uac10\uc7ac\ub97c \ub124 \uac00\uc9c0 \ubc94\uc8fc\ub85c \ubd84\ub958\ud569\ub2c8\ub2e4: SPI \ud074\ub798\uc2a4 A: \ub2e4\uc774\uc544\ubaac\ub4dc \uc5f0\ub9c8(\uad11\ud559 \uc120\uba85\ub3c4) \ub4f1\uae09 Ra (\u00b5m) \ubc29\ubc95 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 A-1 0.012-0.025 #3, 6000 \uadf8\ub9bf \ub2e4\uc774\uc544\ubaac\ub4dc \ud398\uc774\uc2a4\ud2b8 \uc758\ub8cc\uc6a9 \ub80c\uc988, \ub77c\uc774\ud2b8 \uac00\uc774\ub4dc A-2 0.025-0.05 #6, 3000 \uadf8\ub9bf \ub2e4\uc774\uc544\ubaac\ub4dc \ud398\uc774\uc2a4\ud2b8 \ud22c\uba85 \ucee4\ubc84, \ubc18\uc0ac\ud310 A-3 0.05-0.10 #15, 1200 […]<\/p>\n","protected":false},"author":1,"featured_media":21256,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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