{"id":2983,"date":"2026-04-16T17:10:32","date_gmt":"2026-04-16T09:10:32","guid":{"rendered":"https:\/\/www.handaspring.com\/?p=2983"},"modified":"2026-04-16T17:10:51","modified_gmt":"2026-04-16T09:10:51","slug":"helical-spring-design-guide-formulas-calculations-best-practices","status":"publish","type":"post","link":"https:\/\/www.handaspring.com\/ko\/helical-spring-design.html","title":{"rendered":"\ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1 \uc124\uacc4 \uac00\uc774\ub4dc: \uacf5\uc2dd, \uacc4\uc0b0 \ubc0f \ubaa8\ubc94 \uc0ac\ub840"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\ud544\uc218 \uacf5\uc2dd, \uacc4\uc0b0, \ubaa8\ubc94 \uc0ac\ub840\ub97c \ud1b5\ud574 \ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1 \uc124\uacc4\ub97c \ub9c8\uc2a4\ud130\ud558\uc138\uc694. \uc2a4\ud504\ub9c1 \uc18d\ub3c4, \uc751\ub825, \ucc98\uc9d0\uc744 \uacc4\uc0b0\ud558\uace0 \uc555\ucd95, \ud655\uc7a5 \ubc0f \ube44\ud2c0\ub9bc \uc2a4\ud504\ub9c1\uc758 \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc18c\uac1c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.handaspring.com\/helical-spring-energized-seals\/\" title=\"\">\ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1<\/a> \uc740 \uc790\ub3d9\ucc28 \uc11c\uc2a4\ud39c\uc158\uacfc \uc0b0\uc5c5 \uae30\uacc4\ubd80\ud130 \uc758\ub8cc \uae30\uae30 \ubc0f \ubc18\ub3c4\uccb4 \uc7a5\ube44\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ubaa8\ub4e0 \uac83\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uae30\ubcf8\uc801\uc778 \uae30\uacc4 \ubd80\ud488\uc785\ub2c8\ub2e4. \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1\uc744 \uc124\uacc4\ud558\ub824\uba74 \uae30\ubcf8 \ubb3c\ub9ac\ud559, \uc7ac\ub8cc \ud2b9\uc131 \ubc0f \uc81c\uc870 \uc81c\uc57d \uc870\uac74\uc5d0 \ub300\ud55c \ud655\uc2e4\ud55c \uc774\ud574\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.handaspring.com\/wp-content\/uploads\/2024\/06\/6592ebb93320ac65da02606b0a7533b7.png\" alt=\"\ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1\" class=\"wp-image-902\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.handaspring.com\/wp-content\/uploads\/2024\/06\/6592ebb93320ac65da02606b0a7533b7.png 750w, https:\/\/www.handaspring.com\/wp-content\/uploads\/2024\/06\/6592ebb93320ac65da02606b0a7533b7-300x300.png 300w, https:\/\/www.handaspring.com\/wp-content\/uploads\/2024\/06\/6592ebb93320ac65da02606b0a7533b7-150x150.png 150w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc885\ud569 \uac00\uc774\ub4dc\ub294 \uc555\ucd95, \uc778\uc7a5, \ube44\ud2c0\ub9bc \uc2a4\ud504\ub9c1 \uc124\uacc4\ub97c \uc704\ud55c \uc8fc\uc694 \uacf5\uc2dd, \ub2e8\uacc4\ubcc4 \uacc4\uc0b0\ubc95, \uc5c5\uacc4 \ubaa8\ubc94 \uc0ac\ub840\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \uc2e0\uc81c\ud488\uc744 \uac1c\ubc1c\ud558\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e0 \uc2a4\ud504\ub9c1 \uc0ac\uc591\uc744 \ud3c9\uac00\ud558\ub294 \uc870\ub2ec \uc804\ubb38\uac00\ub4e0 \uc774 \uac00\uc774\ub4dc\ub294 \uc815\ubcf4\uc5d0 \uc785\uac01\ud55c \uacb0\uc815\uc744 \ub0b4\ub9ac\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1. \ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1\uc758 \uae30\ubcf8 \uae30\ud558\ud559<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\uc2dd\uc744 \uc0b4\ud3b4\ubcf4\uae30 \uc804\uc5d0 \uae30\ubcf8\uc801\uc778 \uae30\ud558\ud559\uc801 \ub9e4\uac1c \ubcc0\uc218\ub97c \uc815\uc758\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\ub9e4\uac1c\ubcc0\uc218<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uae30\ud638<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc124\uba85<\/th><\/tr><\/thead><tbody><tr><td>\uc640\uc774\uc5b4 \uc9c1\uacbd<\/td><td>d<\/td><td>\uc2a4\ud504\ub9c1\uc744 \ud615\uc131\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc640\uc774\uc5b4\uc758 \uc9c0\ub984<\/td><\/tr><tr><td>\ud3c9\uade0 \ucf54\uc77c \uc9c1\uacbd<\/td><td>D<\/td><td>\uc678\uacbd\uacfc \ub0b4\uacbd\uc758 \ud3c9\uade0(D = OD - d = ID + d)<\/td><\/tr><tr><td>\uc678\uacbd<\/td><td>OD<\/td><td>D + d<\/td><\/tr><tr><td>\ub0b4\uacbd<\/td><td>ID<\/td><td>D - d<\/td><\/tr><tr><td>\uc790\uc720 \uae38\uc774<\/td><td>L\u2080<\/td><td>\uc5b8\ub85c\ub4dc \uc2dc \uc2a4\ud504\ub9c1\uc758 \uae38\uc774<\/td><\/tr><tr><td>\uc194\ub9ac\ub4dc \ub192\uc774<\/td><td>L\u209b<\/td><td>\ubaa8\ub4e0 \ucf54\uc77c\uc744 \ud568\uaed8 \uc555\ucd95\ud588\uc744 \ub54c\uc758 \uae38\uc774<\/td><\/tr><tr><td>\ud65c\uc131 \ucf54\uc77c \uc218<\/td><td>N\u2090<\/td><td>\uc2a4\ud504\ub9c1 \ub3d9\uc791\uc5d0 \ucc38\uc5ec\ud558\ub294 \ucf54\uc77c(\ub2eb\ud78c \ub05d \uc81c\uc678)<\/td><\/tr><tr><td>\ucd1d \ucf54\uc77c \uc218<\/td><td>N\u209c<\/td><td>\uc561\ud2f0\ube0c \ucf54\uc77c\uacfc \ube44\ud65c\uc131 \uc5d4\ub4dc \ucf54\uc77c<\/td><\/tr><tr><td>\ud53c\uce58<\/td><td>p<\/td><td>\uc778\uc811\ud55c \ucf54\uc77c \uc0ac\uc774\uc758 \uac70\ub9ac(\uc555\ucd95 \uc2a4\ud504\ub9c1\uc758 \uacbd\uc6b0 p = L\u2080 \/ N\u209c)<\/td><\/tr><tr><td>\uc2a4\ud504\ub9c1 \uc778\ub371\uc2a4<\/td><td>C<\/td><td>C = D \/ d (\uc81c\uc870 \uac00\ub2a5\uc131\uc744 \uc704\ud574 4\uc5d0\uc11c 12 \uc0ac\uc774\uc5ec\uc57c \ud568)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. \uc2a4\ud504\ub9c1 \uc18d\ub3c4(\uac15\uc131) \uacf5\uc2dd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ud504\ub9c1 \uc18d\ub3c4(\ub610\ub294 \uac15\uc131)\ub294 \ub2e8\uc704 \ucc98\uc9d0\uc744 \uc0dd\uc131\ud558\ub294 \ub370 \ud544\uc694\ud55c \ud798\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc555\ucd95 \ubc0f \ud150\uc158 \uc2a4\ud504\ub9c1\uc6a9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\ubcf8 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>k = (G \u00d7 d\u2074) \/ (8 \u00d7 D\u00b3 \u00d7 N\u2090)<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>k = \uc2a4\ud504\ub9c1 \uc18d\ub3c4(N\/mm \ub610\ub294 lb\/in)<\/li>\n\n\n\n<li>G = \uc7ac\ub8cc\uc758 \uc804\ub2e8 \ud0c4\uc131 \uacc4\uc218(MPa \ub610\ub294 psi)<\/li>\n\n\n\n<li>d = \uc640\uc774\uc5b4 \uc9c1\uacbd(mm \ub610\ub294 \uc778\uce58)<\/li>\n\n\n\n<li>D = \ud3c9\uade0 \ucf54\uc77c \uc9c1\uacbd(mm \ub610\ub294 \uc778\uce58)<\/li>\n\n\n\n<li>N\u2090 = \ud65c\uc131 \ucf54\uc77c \uc218<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\uc77c\ubc18\uc801\uc778 \uc804\ub2e8 \ud0c4\uc131 \uacc4\uc218 \uac12<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc7ac\ub8cc<\/th><th class=\"has-text-align-left\" data-align=\"left\">G(MPa)<\/th><th class=\"has-text-align-left\" data-align=\"left\">G(psi)<\/th><\/tr><\/thead><tbody><tr><td>\ubba4\uc9c1 \uc640\uc774\uc5b4<\/td><td>79,000<\/td><td>11.5 \u00d7 10\u2076<\/td><\/tr><tr><td>\uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8(302\/304)<\/td><td>69,000<\/td><td>10.0 \u00d7 10\u2076<\/td><\/tr><tr><td>17-7PH<\/td><td>75,000<\/td><td>10.9 \u00d7 10\u2076<\/td><\/tr><tr><td>\uc778\ucf54\ub12c X-750<\/td><td>76,000<\/td><td>11.0 \u00d7 10\u2076<\/td><\/tr><tr><td>\ubca0\ub9b4\ub968 \uad6c\ub9ac<\/td><td>48,000<\/td><td>7.0 \u00d7 10\u2076<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ud1a0\uc158 \uc2a4\ud504\ub9c1\uc758 \uacbd\uc6b0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ube44\ud2c0\ub9bc \uc2a4\ud504\ub9c1 \ub808\uc774\ud2b8(\uac01\ub3c4 \ud3b8\ud5a5\ub2f9 \ud1a0\ud06c)\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>k_t = (E \u00d7 d\u2074) \/ (10.8 \u00d7 D \u00d7 N\u2090)<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>k_t = \ud1a0\ud06c \uc18d\ub3c4(N-mm\/\ub3c4 \ub610\ub294 lb-in\/\ub3c4)<\/li>\n\n\n\n<li>E = \uc601\ud0c4\uc131\uacc4\uc218(MPa \ub610\ub294 psi)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. \uc2a4\ud2b8\ub808\uc2a4 \uacc4\uc0b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ud504\ub9c1\uc774 \uc7ac\ub8cc\uc758 \ud56d\ubcf5 \uac15\ub3c4 \uc774\ud558\uc5d0\uc11c \uc791\ub3d9\ud558\ub3c4\ub85d \ud558\ub294 \uac83\uc740 \uc601\uad6c\uc801\uc778 \ubcc0\ud615\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ube44\ud2c0\ub9bc \uc751\ub825(\uc555\ucd95\/\uc7a5\ub825 \uc2a4\ud504\ub9c1)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\ub300 \ube44\ud2c0\ub9bc \uc751\ub825\uc740 \ucf54\uc77c\uc758 \ub0b4\ubd80 \uc12c\uc720\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u03c4 = (8 \u00d7 P \u00d7 D \u00d7 K) \/ (\u03c0 \u00d7 d\u00b3)<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P = \uc801\uc6a9\ub41c \ud558\uc911(N)<\/li>\n\n\n\n<li>K = Wahl \uacc4\uc218(\uace1\ub960 \ubc0f \uc9c1\uc811 \uc804\ub2e8 \uace0\ub824)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc648 \uacc4\uc218 \uacf5\uc2dd<\/strong>:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>k = (4C - 1) \/ (4C - 4) + 0.615 \/ c<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\ube60\ub978 \ucd94\uc815\uc744 \uc704\ud574 C\uac00 4\uc5d0\uc11c 12 \uc0ac\uc774\uc77c \ub54c K\uc758 \ubc94\uc704\ub294 \uc57d 1.2\uc5d0\uc11c 1.4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc2a4\ud2b8\ub808\uc2a4 \uac00\uc774\ub4dc\ub77c\uc778<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th><th class=\"has-text-align-left\" data-align=\"left\">%\uc758 \uc778\uc7a5 \uac15\ub3c4<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc548\uc804 \uacc4\uc218<\/th><\/tr><\/thead><tbody><tr><td>\uc815\uc801(\ube48\ubc88\ud558\uc9c0 \uc54a\uc740 \uc8fc\uae30)<\/td><td>45-50%<\/td><td>2.0 - 2.2<\/td><\/tr><tr><td>\ub3d9\uc801(\ub192\uc740 \uc0ac\uc774\ud074, &gt;10\u2076 \uc0ac\uc774\ud074)<\/td><td>30-35%<\/td><td>2.8 - 3.3<\/td><\/tr><tr><td>\ucda9\uaca9 \ubd80\ud558<\/td><td>25-30%<\/td><td>3.3 - 4.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ud1a0\uc158 \uc2a4\ud504\ub9c1\uc758 \uacbd\uc6b0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ube44\ud2c0\ub9bc\uc774 \uc544\ub2cc \uad7d\ud798 \uc751\ub825\uc774 \uc8fc\uc694 \uad00\uc2ec\uc0ac\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u03c3 = (32 \u00d7 M) \/ (\u03c0 \u00d7 d\u00b3)<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c M\uc740 \uc801\uc6a9\ub41c \uad7d\ud798 \ubaa8\uba58\ud2b8(\ud1a0\ud06c)\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \ud3b8\ud5a5 \ubc0f \uc194\ub9ac\ub4dc \ub192\uc774<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc555\ucd95 \uc2a4\ud504\ub9c1 \ud3b8\ud5a5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubd80\ud558\uac00 \uac78\ub838\uc744 \ub54c\uc758 \ucc98\uc9d0\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u03b4 = P \/ k<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ud504\ub9c1\uc740 \uc815\uc0c1 \uc791\ub3d9 \uc2dc \uc808\ub300 \ub2e8\ub2e8\ud55c \ub192\uc774\ub85c \uc555\ucd95\ub418\uc5b4\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc548\uc804 \uc5ec\uc720\ub294 10-15%\uc758 \uc790\uc720 \uae38\uc774\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>L\u209b = d \u00d7 N\u209c<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c N\u209c = \ucd1d \ucf54\uc77c \uc218(\ub2eb\ud78c \ub05d \ud3ec\ud568)\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ucd5c\ub300 \uc548\uc804 \ud3b8\ud5a5<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u03b4_max = (\u03c0 \u00d7 d\u00b2 \u00d7 \u03c4_max \u00d7 D \u00d7 N\u2090) \/ (4 \u00d7 P)<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ub294 \ubcf4\ub2e4 \uc2e4\uc9c8\uc801\uc73c\ub85c \ud3b8\ud5a5\uc744 (L\u2080 - L\u209b)\uc758 75-80%\ub85c \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. \ubc84\ud074\ub9c1 \uace0\ub824 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uae38\uace0 \uac00\ub290\ub2e4\ub780 \uc555\ucd95 \uc2a4\ud504\ub9c1\uc740 \uc815\uaca9 \ucc98\uc9d0\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc88c\uad74(\uc606\uc73c\ub85c \uad6c\ubd80\ub7ec\uc9d0)\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc88c\uad74\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>L\u2080 \/ D &lt; 4<\/strong>&nbsp;\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ub05d\uc758 \uacbd\uc6b0<br><strong>L\u2080\/D &lt; 2.5<\/strong>&nbsp;\uc548\ub0b4 \ub05d\uc758 \uacbd\uc6b0<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ube44\uc728\uc744 \ucd08\uacfc\ud558\ub294 \uacbd\uc6b0 \uc2a4\ud504\ub9c1 \uac00\uc774\ub4dc \ub85c\ub4dc \ub610\ub294 \ub354 \ud070 \uc9c1\uacbd\uc758 \uc2a4\ud504\ub9c1\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. \uc7ac\ub8cc \uc120\ud0dd \ubaa8\ubc94 \uc0ac\ub840<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud658\uacbd<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ucd94\ucc9c \uc790\ub8cc<\/th><\/tr><\/thead><tbody><tr><td>\uc77c\ubc18 \uc2e4\ub0b4, \uc800\ub834\ud55c \ube44\uc6a9<\/td><td>\ubba4\uc9c1 \uc640\uc774\uc5b4(ASTM A228)<\/td><\/tr><tr><td>\uc2b5\uae30, \uac00\ubcbc\uc6b4 \ubd80\uc2dd<\/td><td>302\/304 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8<\/td><\/tr><tr><td>\ud574\uc591, \ud654\ud559 \ubb3c\uc9c8 \ub178\ucd9c<\/td><td>316 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8<\/td><\/tr><tr><td>\uace0\uc628(&gt;250\u00b0C)<\/td><td>\uc778\ucf54\ub12c X-750, 17-7PH<\/td><\/tr><tr><td>\uc0ac\uc6cc \uac00\uc2a4(H\u2082S), \uc758\ub8cc\uc6a9<\/td><td>\uc5d8\uae38\ub85c\uc774, MP35N<\/td><\/tr><tr><td>\ube44\uc790\uae30\uc131, \uc804\ub3c4\uc131<\/td><td>\ubca0\ub9b4\ub968 \uad6c\ub9ac<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uc7ac\ub8cc \uacbd\ub3c4 \ubc0f \uc778\uc7a5 \uac15\ub3c4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ud504\ub9c1 \uc18c\uc7ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub0c9\uac04 \uc778\ubc1c \ub610\ub294 \ub0c9\uac04 \uc555\uc5f0 \uc0c1\ud0dc\ub85c \uacf5\uae09\ub429\ub2c8\ub2e4. \uc778\uc7a5 \uac15\ub3c4\ub294 \uc640\uc774\uc5b4 \uc9c1\uacbd\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uac10\uc18c\ud569\ub2c8\ub2e4. \ubba4\uc9c1 \uc640\uc774\uc5b4\uc758 \uacbd\uc6b0 \ub300\ub7b5\uc801\uc778 \uc778\uc7a5 \uac15\ub3c4\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>S_ut \u2248 2000 \u00d7 d^(-0.16)<\/strong>&nbsp;(MPa, d(mm))<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7. \uc885\ub8cc \uad6c\uc131<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc555\ucd95 \uc2a4\ud504\ub9c1 \ub05d<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc5d4\ub4dc \uc720\ud615<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc124\uba85<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc601\ud5a5<\/th><\/tr><\/thead><tbody><tr><td>\uc811\uc9c0\uac00 \uc544\ub2cc \uc624\ud508 \uc5d4\ub4dc<\/td><td>\ub2eb\ud788\uc9c0 \uc54a\ub294 \ucf54\uc77c, \uac00\uc7a5 \uc800\ub834\ud55c \uac00\uaca9<\/td><td>\uc88c\uad74 \uc704\ud5d8, \uace0\ub974\uc9c0 \uc54a\uc740 \ud558\uc911<\/td><\/tr><tr><td>\uc811\uc9c0\uac00 \uc544\ub2cc \ub2eb\ud78c \ub05d<\/td><td>\uc5d4\ub4dc \ucf54\uc77c \ud3c9\ud0c4\ud654<\/td><td>\uc88c\uc11d \uac1c\uc120<\/td><\/tr><tr><td>\ub2eb\ud78c \ub05d\uacfc \uc811\uc9c0\ub41c \ub05d<\/td><td>\ud3c9\ud3c9\ud558\uace0 \ud3c9\ud3c9\ud558\uac8c<\/td><td>\uc815\ubc00 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc801\ud569<\/td><\/tr><tr><td>\ub2eb\ud798, \uc811\ud798 \ubc0f \uc81c\uacf1<\/td><td>\uc5d4\ub4dc \ucf54\uc77c\uc774 \ub2eb\ud788\uace0 \ucd95\uc5d0 \uc218\uc9c1\uc73c\ub85c \uc811\uc9c0\ub428<\/td><td>\uc548\uc815\uc131 \uadf9\ub300\ud654<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ud150\uc158 \uc2a4\ud504\ub9c1 \uc5d4\ub4dc<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uba38\uc2e0 \ud6c4\ud06c<\/strong>\u00a0- \uac00\uc7a5 \uac04\ub2e8\ud558\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778<\/li>\n\n\n\n<li><strong>\ud06c\ub85c\uc2a4\uc624\ubc84 \uc13c\ud130 \ub8e8\ud504<\/strong>\u00a0- \ub354 \ub098\uc740 \uc815\ub82c<\/li>\n\n\n\n<li><strong>\ud655\uc7a5 \ud6c4\ud06c<\/strong>\u00a0- \ub450\uaebc\uc6b4 \ubd80\ud488\uc5d0 \ubd80\ucc29\uc6a9<\/li>\n\n\n\n<li><strong>\uc2a4\ub808\ub4dc \uc778\uc11c\ud2b8<\/strong>\u00a0- \uace0\uac15\ub3c4 \uc5f0\uacb0\uc6a9<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">8. \ub2e8\uacc4\ubcc4 \ub514\uc790\uc778 \ud504\ub85c\uc138\uc2a4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc6cc\ud06c\ud50c\ub85c\uc6b0\uc5d0 \ub530\ub77c \ub098\uc120\ud615 \uc2a4\ud504\ub9c1\uc744 \ub514\uc790\uc778\ud558\uc138\uc694:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">9. \uc2e4\uc81c \uc608\uc81c: \uc555\ucd95 \uc2a4\ud504\ub9c1 \ub514\uc790\uc778<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc694\uad6c \uc0ac\ud56d<\/strong>: 15mm \ucc98\uc9d0\uc5d0\uc11c 50N\uc758 \ud798\uc744 \uc81c\uacf5\ud574\uc57c \ud558\ub294 \ubc38\ube0c\uc6a9 \uc555\ucd95 \uc2a4\ud504\ub9c1\uc744 \uc124\uacc4\ud569\ub2c8\ub2e4. \ucd5c\ub300 \uc678\uacbd 12mm. \uc791\ub3d9 \uc628\ub3c4 100\u00b0C, 50,000 \uc0ac\uc774\ud074. \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \uc7ac\uc9c8.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1\ub2e8\uacc4 - \uc790\ub8cc<\/strong>: 302 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8(G = 69,000 MPa, 100\u00b0C\uc5d0 \uc801\ud569).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2\ub2e8\uacc4 - \uc2a4\ud504\ub9c1 \uc778\ub371\uc2a4 \uc120\ud0dd<\/strong>: C = 6(\uc77c\ubc18).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3\ub2e8\uacc4 - \uc640\uc774\uc5b4 \uc9c1\uacbd \ucd94\uc815<\/strong>: OD = 12mm\uc774\ubbc0\ub85c D = OD - d. \ub610\ud55c C = D\/d = 6 \u2192 D = 6d\ub77c\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \uadf8\ub7ec\uba74 OD = 6d + d = 7d = 12mm \u2192 d = 1.71mm\uac00 \ub429\ub2c8\ub2e4. d = 1.7mm\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4\ub2e8\uacc4 - \ud3c9\uade0 \uc9c1\uacbd<\/strong>: D = 6 \u00d7 1.7 = 10.2mm. OD = 10.2 + 1.7 = 11.9mm(&lt;12mm OK).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5\ub2e8\uacc4 - \ud544\uc694\ud55c \uc2a4\ud504\ub9c1 \uc18d\ub3c4<\/strong>k = P \/ \u03b4 = 50 N \/ 15 mm = 3.33 N\/mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6\ub2e8\uacc4 - \ud65c\uc131 \ucf54\uc77c N\u2090 \ud480\uae30<\/strong>:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">k = (G \u00d7 d\u2074) \/ (8 \u00d7 D\u00b3 \u00d7 N\u2090) \u2192 N\u2090 = (G \u00d7 d\u2074) \/ (8 \u00d7 D\u00b3 \u00d7 k)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u2074 = 1.7\u2074 = 8.35mm\u2074<br>D\u00b3 = 10.2\u00b3 = 1061mm\u00b3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u2090 = (69,000 \u00d7 8.35) \/ (8 \u00d7 1061 \u00d7 3.33) = (576,150) \/ (28,277) \u2248 20.4 \u2192 N\u2090 = 20 \uc0ac\uc6a9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7\ub2e8\uacc4 - \uc785\uccb4 \ub192\uc774 \uacc4\uc0b0<\/strong>: \ub2eb\ud78c \ub05d(\ube44\ud65c\uc131 \ucf54\uc77c 2\uac1c)\uc744 \uac00\uc815\ud569\ub2c8\ub2e4. N\u209c = 20 + 2 = 22. \uc194\ub9ac\ub4dc \ub192\uc774 L\u209b = N\u209c \u00d7 d = 22 \u00d7 1.7 = 37.4 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>8\ub2e8\uacc4 - \uc790\uc720 \uae38\uc774<\/strong>: \ud558\uc911 \uc2dc \ucc98\uc9d0 = 15mm. \ub2e8\ub2e8\ud55c \ub192\uc774\ub97c \ud53c\ud558\ub824\uba74 L\u2080 &gt; L\u209b + \u03b4 = 37.4 + 15 = 52.4 mm\uc785\ub2c8\ub2e4. L\u2080 = 55mm\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>9\ub2e8\uacc4 - \uc2a4\ud2b8\ub808\uc2a4 \ud655\uc778<\/strong>: \uc6d4 \uacc4\uc218 K = (4\u00d76-1)\/(4\u00d76-4) + 0.615\/6 = (23\/20) + 0.1025 = 1.15 + 0.1025 = 1.2525\uc785\ub2c8\ub2e4.<br>\uc751\ub825 \u03c4 = (8 \u00d7 P \u00d7 D \u00d7 K) \/ (\u03c0 \u00d7 d\u00b3) = (8 \u00d7 50 \u00d7 10.2 \u00d7 1.2525) \/ (\u03c0 \u00d7 1.7\u00b3) = (5100) \/ (\u03c0 \u00d7 4.913) = 5100 \/ 15.44 \u2248 330 MPa\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">100\u00b0C\uc5d0\uc11c 302 SS\uc758 \ud5c8\uc6a9 \uc751\ub825, \ub3d9\uc801: ~0.35 \u00d7 800 MPa = 280 MPa. 330 MPa\ub294 \uc57d\uac04 \ub192\uc2b5\ub2c8\ub2e4. \uc640\uc774\uc5b4 \uc9c1\uacbd\uc744 1.8mm\ub85c \ub298\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uac1c\uc815\ub428<\/strong>d=1.8, C=6 \u2192 D=10.8, OD=12.6(12mm\ub97c \uc57d\uac04 \ub118\uc9c0\ub9cc \ud5c8\uc6a9 \uac00\ub2a5). N\u2090, k, \uc751\ub825\uc744 \ub2e4\uc2dc \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc751\ub825\uc774 ~280MPa\ub85c \uac10\uc18c\ud569\ub2c8\ub2e4. \ud5c8\uc6a9 \uac00\ub2a5.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">10. \ubaa8\ubc94 \uc0ac\ub840 \uc694\uc57d<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uc5f0\uc2b5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\uc65c<\/th><\/tr><\/thead><tbody><tr><td>\uc2a4\ud504\ub9c1 \uc778\ub371\uc2a4\ub97c 4~12 \uc0ac\uc774\ub85c \uc720\uc9c0<\/td><td>\uc81c\uc870 \uac00\ub2a5, \uc88c\uad74 \ubc0f \uc751\ub825 \uc9d1\uc911 \ubc29\uc9c0<\/td><\/tr><tr><td>\uc815\ubc00\ub3c4\ub97c \uc704\ud574 \ud3d0\uc1c4\ud615 \ubc0f \uc811\uc9c0\ud615 \ub05d\ub2e8 \uc0ac\uc6a9<\/td><td>\ubd80\ud558 \ubd84\uc0b0 \uac1c\uc120, \uc88c\uad74 \uac10\uc18c<\/td><\/tr><tr><td>\ub2e8\ub2e8\ud55c \ub192\uc774 \uadfc\ucc98\uc5d0\uc11c \uc555\ucd95 \uc2a4\ud504\ub9c1\uc744 \uc791\ub3d9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/td><td>\ucf54\uc77c \ucda9\ub3cc \ubc0f \uc870\uae30 \uace0\uc7a5 \ubc29\uc9c0<\/td><\/tr><tr><td>\ud3b8\ud5a5 \uc2dc 10-15%\uc758 \uc548\uc804 \ub9c8\uc9c4 \ucd94\uac00<\/td><td>\uc81c\uc870 \uacf5\ucc28 \uc218\uc6a9<\/td><\/tr><tr><td>\ucf54\uc77c\ub9c1 \ud6c4 \uc2a4\ud2b8\ub808\uc2a4 \uc644\ud654 \uc9c0\uc815<\/td><td>\uc794\ub958 \uc2a4\ud2b8\ub808\uc2a4 \uac10\uc18c, \ud53c\ub85c \uc218\uba85 \uac1c\uc120<\/td><\/tr><tr><td>\uc8fc\uae30\uac00 \uae34 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c \uc0f7 \ud540<\/td><td>\ud53c\ub85c \uac15\ub3c4\uac00 20-30% \uc99d\uac00\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc2e4\uc81c \uc870\uac74\uc5d0\uc11c \ud504\ub85c\ud1a0\ud0c0\uc785 \ud14c\uc2a4\ud2b8<\/td><td>\uacc4\uc0b0 \ubc0f \uba38\ud2f0\ub9ac\uc5bc \ub3d9\uc791 \uac80\uc99d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">11. \uc77c\ubc18\uc801\uc778 \ub514\uc790\uc778 \uc2e4\uc218<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\uc2a4\ud504\ub9c1 \uc778\ub371\uc2a4 \ubb34\uc2dc<\/strong>\u00a0- C  12\ub294 \uc88c\uad74\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uacfc\ub3c4\ud55c \uc790\ub8cc \uc0ac\uc591<\/strong>\u00a0- \uc74c\uc545 \uc640\uc774\uc5b4\uac00 \uc791\ub3d9\ud558\ub294 \uacf3\uc5d0 \uac12\ube44\uc2fc \ud569\uae08\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uacac\uace0\ud55c \ub192\uc774 \uc78a\uae30<\/strong>\u00a0- \uc2a4\ud504\ub9c1\uc774 \ubc14\ub2e5\uc744 \ub4dc\ub7ec\ub0b4\uc5b4 \uc190\uc0c1\uc744 \uc77c\uc73c\ud0b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc5d4\ub4dc \uad6c\uc131 \ubb34\uc2dc<\/strong>\u00a0- \ub05d\uc774 \uc798\ubabb\ub418\uba74 \ubd88\uc548\uc815\ud558\uac70\ub098 \ubd80\ucc29\uc774 \uc2e4\ud328\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc628\ub3c4 \ud6a8\uacfc \uac04\uacfc<\/strong>\u00a0- \uc628\ub3c4\uac00 \ub192\uc73c\uba74 \uc804\ub2e8 \uacc4\uc218\uc640 \uac15\ub3c4\uac00 \uac10\uc18c\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc2a4\ud2b8\ub808\uc2a4 \uacc4\uc0b0 \uc548 \ud568<\/strong>\u00a0- \uc601\uad6c\uc801\uc778 \uc138\ud2b8 \ub610\ub294 \ud53c\ub85c \uc7a5\uc560\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 <a href=\"https:\/\/www.handaspring.com\/helical-spring-energized-seals\/\" title=\"\">\ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1<\/a> \ud615\uc0c1, \uc7ac\uc9c8, \uc751\ub825 \ubc0f \uc791\ub3d9 \uc870\uac74\uc744 \uc2e0\uc911\ud558\uac8c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\uc5d0 \uc124\uba85\ub41c \uacf5\uc2dd\uacfc \ubaa8\ubc94 \uc0ac\ub840\ub97c \ub530\ub974\uba74 \uc758\ub3c4\ud55c \uc218\uba85 \ub3d9\uc548 \uc77c\uad00\ub41c \uc131\ub2a5\uc744 \ubc1c\ud718\ud558\ub294 \uc2a4\ud504\ub9c1\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\uc694\ud55c \uc2a4\ud504\ub9c1 \ub514\uc790\uc778\uc740 \ud56d\uc0c1 \ud504\ub85c\ud1a0\ud0c0\uc785\uc744 \uc81c\uc791\ud558\uace0 \ud14c\uc2a4\ud2b8\ud558\uc138\uc694. \uc774\ub860\uc801 \uacc4\uc0b0\uc740 \uc2dc\uc791\uc810\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \uc2e4\uc81c \uac80\uc99d\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1 \uc124\uacc4\uc5d0 \ub3c4\uc6c0\uc774 \ud544\uc694\ud558\uc2e0\uac00\uc694? \ub9de\ucda4\ud615 \uc2a4\ud504\ub9c1 \uc124\uacc4, \ud504\ub85c\ud1a0\ud0c0\uc774\ud551 \ubc0f \ud14c\uc2a4\ud2b8 \uc11c\ube44\uc2a4\uc5d0 \ub300\ud574\uc11c\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc5d0 \ubb38\uc758\ud558\uc138\uc694.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.handaspring.com\/contact\/\" title=\"\">\ubb38\uc758\ud558\uae30<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>\ud544\uc218 \uacf5\uc2dd, \uacc4\uc0b0, \ubaa8\ubc94 \uc0ac\ub840\ub97c \ud1b5\ud574 \ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1 \uc124\uacc4\ub97c \ub9c8\uc2a4\ud130\ud558\uc138\uc694. \uc2a4\ud504\ub9c1 \uc18d\ub3c4, \uc751\ub825, \ucc98\uc9d0\uc744 \uacc4\uc0b0\ud558\uace0 \uc555\ucd95, \ud655\uc7a5 \ubc0f \ube44\ud2c0\ub9bc \uc2a4\ud504\ub9c1\uc758 \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc138\uc694. \uc18c\uac1c \ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1\uc740 \uc790\ub3d9\ucc28 \uc11c\uc2a4\ud39c\uc158\uacfc \uc0b0\uc5c5 \uae30\uacc4\ubd80\ud130 \uc758\ub8cc \uae30\uae30 \ubc0f \ubc18\ub3c4\uccb4 \uc7a5\ube44\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ubaa8\ub4e0 \uac83\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uae30\ubcf8\uc801\uc778 \uae30\uacc4 \ubd80\ud488\uc785\ub2c8\ub2e4. \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud5ec\ub9ac\uceec \uc2a4\ud504\ub9c1 \uc124\uacc4 [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"benner":[],"class_list":["post-2983","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Master helical spring design with essential formulas, calculations, and best practices. 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