{"id":2276,"date":"2026-06-23T07:01:39","date_gmt":"2026-06-23T07:01:39","guid":{"rendered":"https:\/\/helicalcutgears.top\/?p=2276"},"modified":"2026-06-23T07:01:39","modified_gmt":"2026-06-23T07:01:39","slug":"helical-gear-material-selection-guide","status":"publish","type":"post","link":"https:\/\/helicalcutgears.top\/ko\/helical-gear-material-selection-guide\/","title":{"rendered":"\ud5ec\ub9ac\uceec \uae30\uc5b4 \uc7ac\uc9c8 \uc120\uc815 \uac00\uc774\ub4dc - 45#\ubd80\ud130 17CrNiMo6\uae4c\uc9c0 \ubaa8\ub4e0 \ub4f1\uae09 \ubc0f \uc801\uc6a9 \ubd84\uc57c \ub9e4\ud2b8\ub9ad\uc2a4"},"content":{"rendered":"
\n
\n
<\/div>\n
\n

\ud5ec\ub9ac\uceec \uae30\uc5b4 \uc7ac\uc9c8 \uc120\uc815 \uac00\uc774\ub4dc \u2014 45#\ubd80\ud130 17CrNiMo6\uae4c\uc9c0 \ubaa8\ub4e0 \ub4f1\uae09<\/h1>\n

\ud5ec\ub9ac\uceec \uae30\uc5b4\uc5d0 \uc801\ud569\ud55c \uac15\uc885\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \ud53c\ub85c \uc218\uba85, \ucda9\uaca9 \uc800\ud56d\uc131, \uc5f4\ucc98\ub9ac \ubcf5\uc7a1\uc131 \ubc0f \ube44\uc6a9\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70, \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uac15\uc885\uc5d0 \ub530\ub77c 2~5\ubc30\uc758 \ucc28\uc774\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \uae30\ubcf8 45# \ud0c4\uc18c\uac15\ubd80\ud130 \uace0\uae09 17CrNiMo6 \ubc0f \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ubaa8\ub4e0 \uad00\ub828 \uc7ac\ub8cc\ub97c \ub2e4\ub8e8\uba70, \uc62c\ubc14\ub978 \uc120\ud0dd\uc744 \uc704\ud574 \ud544\uc694\ud55c \uc120\ud0dd \uae30\uc900, \ud53c\ub85c \ub370\uc774\ud130 \ubc0f \uc801\uc6a9 \ub9e4\ud2b8\ub9ad\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\uc790\uc7ac \ucd94\ucc9c \uc694\uccad \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

\ud5ec\ub9ac\uceec \uae30\uc5b4\uc6a9 3\ub2e8\uacc4 \uc7ac\ub8cc \ud504\ub808\uc784\uc6cc\ud06c<\/h2>\n

\uc0ac\uc6a9\ub41c \ubaa8\ub4e0 \uac15\ucca0 \uc7ac\ub8cc \ud5ec\ub9ac\uceec \uae30\uc5b4<\/strong> \uce58\uba74 \uacbd\ub3c4\uc640 \uc774\ub97c \ub2ec\uc131\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \uc5f4\ucc98\ub9ac \uc815\ub3c4\uc5d0 \ub530\ub77c \uc138 \uac00\uc9c0 \uc131\ub2a5 \ub4f1\uae09\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4. \ub4f1\uae09 \uc120\ud0dd\uc740 \ub2e4\ub978 \ubaa8\ub4e0 \uc7ac\ub8cc \uc120\ud0dd\uc758 \uae30\uc900\uc774 \ub418\uba70, \ud2b9\uc815 \ub4f1\uae09, \uc5f4\ucc98\ub9ac \uae4a\uc774 \ub610\ub294 \uc815\ud655\ub3c4 \ub4f1\uae09\uc744 \uc9c0\uc815\ud558\uae30 \uc804\uc5d0 \uac00\uc7a5 \uba3c\uc800 \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\n
1\ub2e8\uacc4 \u2014 \uc5f0\uc9c8 \uce58\uc5f4 (HB \u2264 350)<\/strong><\/p>\n

\uae30\uc5b4\ub294 \uc5f4\ucc98\ub9ac(QT \ub610\ub294 \ub178\uba40\ub77c\uc774\uc9d5) \ud6c4 \uc808\uc0ad\ub429\ub2c8\ub2e4. \ucd5c\uc885 \ud45c\uba74 \uacbd\ub3c4\ub294 HB 350\uc73c\ub85c \uc81c\ud55c\ub429\ub2c8\ub2e4. \ud615\uc0c1 \ubcc0\ud615\uc744 \uc720\ubc1c\ud558\ub294 \ud6c4\uacbd\ud654 \ucc98\ub9ac\ub294 \ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud638\ube59 \uac00\uacf5\uc73c\ub85c DIN Class 7~9 \ub4f1\uae09\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4. \ucd5c\uc800 \ube44\uc6a9\uacfc \ucd5c\ub2e8 \ub0a9\uae30\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc0ac\uc6a9 \uc7ac\ub8cc: 45#, 40Cr, 35CrMo. \uc801\uc6a9 \ubd84\uc57c: \uc77c\ubc18 \uc0b0\uc5c5\uc6a9 \uae30\uc5b4\ubc15\uc2a4, \ud06c\ub808\uc778, \ucee8\ubca0\uc774\uc5b4, 15m\/s \ubbf8\ub9cc\uc758 \uc911\ubd80\ud558 \ud38c\ud504 \uad6c\ub3d9 \uc7a5\uce58.<\/p>\n<\/div>\n

2\ub2e8\uacc4 - \uc911\uc0c1 (HRC 45\u201355)<\/strong><\/p>\n

QT \ucf54\uc5b4\ub97c \uc0ac\uc6a9\ud55c \uc720\ub3c4 \uacbd\ud654 \ud45c\uba74 \ucc98\ub9ac. \ud6c4\uacbd\ud654 \uc5f0\uc0ad\uc73c\ub85c \uc815\ubc00\ub3c4 \ubcf5\uc6d0. \uc811\ucd09 \ud53c\ub85c \uc218\uba85\uc740 1\ub4f1\uae09 \ub300\ube44 \ud604\uc800\ud788 \ub192\uc74c. \uc608: 42CrMo \uc720\ub3c4 \uacbd\ud654 HRC 50\u201355. \uc801\uc6a9 \ubd84\uc57c: \uc555\uc5f0\uae30 \uc870\uc0ad \uc2a4\ud0e0\ub4dc \ud53c\ub2c8\uc5b8, \ubd84\uc1c4\uae30 \uad6c\ub3d9 \uc7a5\uce58, \ucda9\uaca9 \uc800\ud56d\uacfc \ud45c\uba74 \uacbd\ub3c4\uc758 \uade0\ud615\uc774 \uc694\uad6c\ub418\ub294 \uc911\ud558\uc911 \uad11\uc0b0 \uad6c\ub3d9 \uc7a5\uce58.<\/p>\n<\/div>\n

3\ub2e8\uacc4 \u2014 \ub2e8\ub2e8\ud55c \uc774\ube68 \uce21\uba74 (HRC 58\u201362)<\/strong><\/p>\n

DIN 4~6 \ub4f1\uae09\uc5d0 \ub530\ub77c \uce68\ud0c4(\ub610\ub294 \uac00\uc2a4 \uc9c8\ud654) \ucc98\ub9ac \ud6c4 \uce58\ud615\uc744 \uc5f0\ub9c8\ud588\uc2b5\ub2c8\ub2e4. \ucd5c\ub300 \uc811\ucd09 \ud53c\ub85c \uac15\ub3c4\uc640 \uae34 \uc218\uba85\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc608: 20CrMnTi, 20CrNiMo, 17CrNiMo6. \uc801\uc6a9 \ubd84\uc57c: \uc790\ub3d9\ucc28, \uc804\uae30\ucc28, CNC, \ud574\uc591, \ud56d\uacf5\uc6b0\uc8fc, \uace0\uc8fc\uae30 \uc0b0\uc5c5 \uc124\ube44 \ub4f1 \ud53c\ub85c \uc218\uba85, \uc18c\uc74c \ubc0f \uc18d\ub3c4 \ubc94\uc704\uac00 \uc911\uc694\ud55c \ubaa8\ub4e0 \ubd84\uc57c\uc5d0 \uc801\uc6a9 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<\/div>\n

\uc804\uccb4 \uc7ac\uc9c8 \ub4f1\uae09 \ucc38\uc870<\/h2>\n

\"HRC<\/p>\n

\ub2e8\ub2e8\ud55c \uce58\uc544 \uce21\uba74 \uce68\ud0c4 \ucc98\ub9ac \ud5ec\ub9ac\uceec \uae30\uc5b4<\/strong> \u2014 HRC 58~62\uc758 \ud45c\uba74 \uacbd\ub3c4, \uc81c\uc5b4\ub41c \uacbd\ud654\uce35 \uae4a\uc774, \uadf8\ub9ac\uace0 \uacac\uace0\ud55c QT \ucf54\uc5b4\uc758 \uc870\ud569\uc740 20CrMnTi(\ud45c\uc900 \ub4f1\uae09) \ub610\ub294 17CrNiMo6(\ud504\ub9ac\ubbf8\uc5c4 \ud574\uc591 \ubc0f \uc5f0\uc548 \ub4f1\uae09) \ud569\uae08\uc73c\ub85c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
\ub4f1\uae09<\/th>\nDIN \ub4f1\uac00<\/th>\nHT \ubc29\ubc95<\/th>\n\ud45c\uba74 \uacbd\ub3c4<\/th>\n\u03c3_H lim (MPa)<\/th>\n\uc0e4\ub974\ud53c \ucda9\uaca9 \uc2dc\ud5d8 (-20\u00b0C)<\/th>\n\uc0c1\ub300\uc801 \ube44\uc6a9<\/th>\n\uc8fc\uc694 \uc751\uc6a9 \ubd84\uc57c<\/th>\n<\/tr>\n<\/thead>\n
45#<\/td>\nC45 \/ Ck45<\/td>\nQT (HB 220\u2013280)<\/td>\nHB 220-280<\/td>\n490\u2013560<\/td>\n20~30 J<\/td>\n1.0\ubc30 (\uae30\uc900\uc120)<\/td>\n\uc0b0\uc5c5\uc6a9 \uc18c\ud504\ud2b8 \ud50c\ub7ad\ud06c: \ud06c\ub808\uc778, \ucee8\ubca0\uc774\uc5b4, \uc800\uc18d \ud38c\ud504 \uad6c\ub3d9 \uc7a5\uce58<\/td>\n<\/tr>\n
40\ud06c\ub808\ub527<\/td>\n41Cr4<\/td>\nQT (HB 260\u2013320)<\/td>\nHB 260-320<\/td>\n530~600<\/td>\n25\u201335 J<\/td>\n1.1\ubc30<\/td>\n\ud5a5\uc0c1\ub41c \uc5f0\uc131 \uce21\uba74: \uc911\ud615 \uc0b0\uc5c5\uc6a9, \uc0e4\ud504\ud2b8 \uc7a5\ucc29\ud615 \ub4dc\ub77c\uc774\ube0c<\/td>\n<\/tr>\n
42CrMo<\/td>\n42CrMo4<\/td>\nQT (HB 280\u2013320) \ub610\ub294 \uc720\ub3c4 HRC 50\u201355<\/td>\nHB 280\u2013320 \ub610\ub294 HRC 50\u201355<\/td>\n590~680(QT); 820~950(\uc720\ub3c4)<\/td>\n35~50 J (QT); 25~40 J (\uc720\ub3c4)<\/td>\n1.2\u20131.5\ubc30<\/td>\n\uc555\uc5f0\uae30, \ubd84\uc1c4\uae30 \ud53c\ub2c8\uc5b8, \uad11\uc0b0\uc6a9 \uad8c\uc591\uae30, \ud574\uc591 \uc708\uce58<\/td>\n<\/tr>\n
20CrMnTi<\/td>\n20MnCr5 (\ub300\ub7b5)<\/td>\n\uce68\ud0c4 + Q + T; HRC 58\u201362<\/td>\nHRC 58\u201362; \ucf00\uc774\uc2a4 \uae4a\uc774 0.8\u20131.5 mm<\/td>\n1500~1650\ub144<\/td>\n30~50 J (\ud575\uc2ec)<\/td>\n1.8\u20132.2\ubc30<\/td>\n\ud45c\uc900 \uc790\ub3d9\ucc28\uc6a9, \uc804\uae30\ucc28\uc6a9 \uac10\uc18d\uae30, CNC \uacf5\uc791\uae30\uacc4\uc6a9, \uc0b0\uc5c5\uc6a9 \uc815\ubc00 \uae30\uc5b4\ubc15\uc2a4<\/td>\n<\/tr>\n
20CrNiMo<\/td>\n21\ub2c8\ucf08\ud06c\ub86c\ubab0\ub9ac\ube0c\ub374<\/td>\n\uce68\ud0c4 + Q + T; HRC 58\u201362<\/td>\nHRC 58\u201362; \ucf00\uc774\uc2a4 \uae4a\uc774 0.8\u20131.8 mm<\/td>\n1500~1700\ub144<\/td>\n40~60 J (\ud575\uc2ec)<\/td>\n2.2\u20132.6\ubc30<\/td>\n\uace0\uc8fc\uae30 \uc0b0\uc5c5 \ubc0f \uc911\uc7a5\ube44 \uc790\ub3d9\ucc28 \ubd84\uc57c\uc5d0\uc11c 20CrMnTi\ubcf4\ub2e4 \uc6b0\uc218\ud55c \ucf54\uc5b4 \uc778\uc131\uc774 \uc694\uad6c\ub418\ub294 \uacbd\uc6b0<\/td>\n<\/tr>\n
17CrNiMo6<\/td>\n17CrNiMo6 (DIN \ub3d9\uc77c)<\/td>\n\uce68\ud0c4 + Q + T; HRC 58\u201362<\/td>\nHRC 58\u201362; \ucf00\uc774\uc2a4 \uae4a\uc774 1.0\u20132.5 mm<\/td>\n1600\ub144~1800\ub144<\/td>\n-40\u00b0C\uc5d0\uc11c 55~80 J<\/td>\n2.8\u20133.5\ubc30<\/td>\n\ud574\uc591(DNV \uc778\uc99d), \ud574\uc0c1, \ubd81\uadf9 \uc11c\ube44\uc2a4, \ud574\uad70, \uc601\ud558 40\u00b0C \uc0e4\ub974\ud53c \ubcf4\ud638\uad6c\uac00 \ud544\uc694\ud55c \uae30\ub8b0 \uc778\uc591\uae30<\/td>\n<\/tr>\n
38CrMoAl<\/td>\n41CrAlMo7<\/td>\n\uac00\uc2a4 \uc9c8\ud654 \ucc98\ub9ac; HV 700+ (HRC 62+)<\/td>\nHV 700\u2013900; \ucf00\uc774\uc2a4 \uae4a\uc774 0.1\u20130.5 mm<\/td>\n1200~1450\ub144<\/td>\n25\u201335 J<\/td>\n2.5\u20133.0\u00d7<\/td>\n\uacbd\ud654 \ud6c4 \uce58\uc218 \uc548\uc815\uc131\uc774 \uc694\uad6c\ub418\ub294 \uacf5\uc791\uae30\uacc4 \uae30\uc5b4\ubc15\uc2a4<\/td>\n<\/tr>\n
SS316L<\/td>\n1.4404<\/td>\n\uc6a9\uccb4\ud654 \uc5f4\ucc98\ub9ac + \uc120\ud0dd\uc801 \uac00\uc2a4 \uc9c8\ud654 \ucc98\ub9ac<\/td>\nHB 160\u2013200 (\uc5b4\ub2d0\ub9c1 \ucc98\ub9ac); HV 800+ (\uc9c8\ud654 \ucc98\ub9ac)<\/td>\n520~650<\/td>\n\ud6cc\ub96d\ud55c<\/td>\n3.5\u20135.0\u00d7<\/td>\n\uc2dd\ud488 \uac00\uacf5 \uc9c1\uc811 \uc811\ucd09 \uad6c\uc5ed, \uc81c\uc57d, \ud574\uc591 \ubcf4\uc870 \ud38c\ud504<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

20CrMnTi\uc5d0\uc11c 17CrNiMo6\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud574\uc57c \ud558\ub294 \uc2dc\uc810<\/h2>\n

20CrMnTi\uc640 17CrNiMo6\ub294 \ubaa8\ub450 HRC 58~62\uae4c\uc9c0 \uce68\ud0c4 \ucc98\ub9ac\ub418\uc5b4 \uc720\uc0ac\ud55c \uc811\ucd09 \ud53c\ub85c \uac15\ub3c4(\u03c3_H lim)\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc7ac\ub8cc\ube44\uac00 1.5~2\ubc30 \ub354 \ub192\uc9c0\ub9cc 17CrNiMo6\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\uae30\ub85c \ud55c \uacb0\uc815\uc740 20CrMnTi\uac00 \uc548\uc815\uc801\uc73c\ub85c \ucda9\uc871\ud560 \uc218 \uc5c6\ub294 \uc138 \uac00\uc9c0 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc758\ud574 \uc815\ub2f9\ud654\ub429\ub2c8\ub2e4.<\/p>\n