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1Àå °³¿ä 2Àå ±â°èÀû Ư¼ö°¡°ø 3Àå È­ÇÐÀû Ư¼ö°¡°ø
4Àå Àü±âÀû Ư¼ö°¡°ø 5Àå ÃÊÀ½ÆÄ°¡°ø      ¿¹»ó¹®Á¦

1 Àå    °³ ¿ä(±³°ú¼­ p.612)

±â¼úÀÇ ¹ßÀü¿¡ µû¶ó °íÁ¤µµ, °í´É·üÀÇ °¡°øÀÌ ¿ä±¸µÇ°í ÀÖÀ¸¸ç, »õ·Î¿î ±â°èÀç·áÀÇ ÃâÇöÀ¸·Î »ó¿ë°¡°ø¹ý(ßÈéÄÊ¥ÍïÛö)À¸·Î °¡°øÀÌ ¾î·Á¿î °æ¿ì°¡ ¸¹´Ù. Áö±Ý±îÁö ±â¼úÇÑ »ó¿ë°¡°ø¹ý ¿ÜÀÇ ¹æ¹ýÀ¸·Î °¡°øÇÏ´Â °ÍÀ» Ư¼ö°¡°øÀ̶ó ÇÏ¿© º»Æí¿¡¼­ ´Ù·ç±â·Î ÇÑ´Ù. º»Æí¿¡¼­´Â Ư¼ö°¡°øÀ» ±â°èÀû Ư¼ö°¡°ø, È­ÇÐÀû Ư¼ö°¡°ø, Àü±âÀû Ư¼ö°¡°øÀ¸·Î ³ª´©¾î ±â¼úÇϳª, ¹®Çå¿¡ µû¶ó¼­´Â Àý»è°ø±¸³ª ¿¬»è¼ýµ¹°ú °°ÀÌ ½Çü(ãùô÷)ÀÇ °ø±¸¸¦ »ç¿ëÇÏ´Â °¡°ø¹ýÀ» »ó¿ë°¡°ø¹ý(ßÈéÄÊ¥ÍïÛö; conventional machining processes), Àü±â, ÀüÀÚ, ¿­ µî°ú °°ÀÌ ½Çü°¡ ¾ø´Â °ø±¸¿¡ ÀÇÇÑ °¡°ø¹ýÀ» Ư¼ö°¡°ø¹ý(unconventional processes, non-traditional processes)À¸·Î ºÐ·ùÇϹǷÎ, ºÐ·ù±âÁØ¿¡ Àǹ̸¦ µÎÁö ¸»°í °¢ °¡°ø¹ý°ú Àû¿ë¹üÀ§ ¹× Ư¡¿¡ °ü½ÉÀ» °®±â ¹Ù¶õ´Ù.

[1] ±â°èÀû Ư¼ö°¡°ø

(1) grit blasting:

ÁÖ¹°ÀÇ Ç¥¸éÀ» ûÁ¤(ôèïä)Çϰųª, µµ±Ý ¹× µµÀå Àü¿¡ °í¾ÐÀÇ °ø±â·Î ¼®¿µ»ç(à´çÈÞã; sand)¸¦ ºÐ»ç½ÃÄÑ ºÒ¼ø¹°À» Á¦°ÅÇÏ°í ´ÙµëÁúÇÏ´Â ¹æ¹ýÀ» sand blastingÀ̶ó ÇÏ°í, ¸ð·¡ ´ë½Å¿¡ ÀÛÀº °­±¸(˼Ϲ; shot)¸¦ »ç¿ëÇÏ´Â °¡°øÀ» shot peening, °­±¸¸¦ ÆļâÇÑ grit¸¦ »ç¿ëÇÏ´Â °¡°øÀ» grit blastingÀ̶ó ÇÑ´Ù.

sand blasting¿¡ ÀÇÇÏ¿© ±Ý¼ÓÇ¥¸éÀÇ ³ìÀ» Á¦°ÅÇÑ´Ù.

(2) burnishing:

¿øÅëÀÇ ³»¸éÀ» ´ÙµëÁúÇÒ ¶§ ±×¸²°ú °°ÀÌ ¿øÅëÀÇ ¾ÈÁö¸§º¸´Ù ¾à°£ Å« °­±¸(˼Ϲ)³ª ÃÊ°æÇձݱ¸(õ±ÌãùêÐÝϹ)¸¦ ¾ÐÀÔ(äâìý)ÇÔÀ¸·Î½á ³»¸éÀÇ °ÅÄ£ ¿äöÀ» ¾Ð±Ë(äâÏ÷)ÇÏ¿© ´ÙµëÁú¸éÀ» ¾ò´Â ¹æ¹ýÀ» burnishing, ball burnishing ¶Ç´Â ball finishingÀ̶ó ÇÏ°í, ¼±¹Ý µîÀ¸·Î °¡°øµÈ Ç¥¸éÀÇ ¶â±ä ÀÚ±¹ ¹× Àý»è°ø±¸ÀÇ Çü»ó¿¡ ÀÇÇÑ ¿äöÀ» ±×¸²°ú °°ÀÌ roller·Î ¾Ð±ËÇÏ´Â °ÍÀ» roller burnishing ¶Ç´Â roller finishing À̶ó ÇÑ´Ù.

ball burnishing

roller burnishing

[2] È­ÇÐÀû Ư¼ö°¡°ø

´ëºÎºÐÀÇ Àç·á´Â È­ÇÐÀûÀ¸·Î ¿ëÇØ(éÁú°) ¹× ºÎ½Ä(ݯãÚ)½Ãų ¼ö ÀÖÀ¸¸ç, ÀÌ·± Çö»óÀ» ÀÌ¿ëÇÑ °¡°ø¹ýÀ» È­ÇÐÀû °¡°ø¹ý(chemical machining, chemical milling)À̶ó ÇÑ´Ù. º¹ÀâÇÑ Çü»ó, °¡°ø¸éÀÌ ³Ð°í ±â°èÀû ºÎÇϸ¦ ÇÇÇØ¾ß ÇÏ´Â °æ¿ì ¹× ±â°èÀûÀÎ ÁöÁö°¡ ¾î·Á¿î °øÀÛ¹° µîÀÇ °¡°ø¿¡ ÀÌ¿ëµÈ´Ù.
¿À·¡ ÀüºÎÅÍ ³ìÀ» Á¦°ÅÇÏ´Â »ê¼¼Á¤(ß«á©ïä), °ø¿¹¿¡¼­ÀÇ etching ¹× ±Ý¼ÓÇ¥¸éÀÇ ±¤ÈÖħÁö(ÎÃýÊöÙò°) µî¿¡ È­ÇÐÀû Ư¼ö°¡°ø¹ýÀÌ Àû¿ëµÇ¾úÀ¸³ª ÃÖ±Ù¿¡´Â ´Ü¼øÇÏ°Ô Ç¥¸é󸮿¡ ±¹ÇÑÇÏÁö ¾Ê°í Àç·áÀÇ Á¦°Å¸¦ ¸ñÀûÀ¸·Î ÇÏ´Â °¡°ø¹ýÀÇ ÀÏÁ¾À¸·Î¼­ ÁöÀ§¸¦ °®°Ô µÇ¾ú´Ù.

[3] Àü±âÀû Ư¼ö°¡°ø

(1) ÀüÇØ¿¬¸¶(electrolytic polishing):

ÀüÇØ¿¬¸¶(electrolytic polishing)´Â Àü±âµµ±Ý°ú´Â ¹Ý´ë·Î °øÀÛ¹°À» ¾ç±Ø(åÕп)À¸·Î ÇÏ¿© Àû´çÇÑ ¿ë¾× Áß¿¡ ³Ö¾î ÅëÀüÇÏ¸é ¾ç±ØÀÇ ¿ëÃâÀÛ¿ë(éÁõóíÂéÄ)¿¡ ÀÇÇÏ¿© ´ÛÀ½ÁúµÇ°í ±¤ÅÃÀÌ ³­´Ù.

ÀüÇØ¿¬¸¶

(2) ÀüÇØ°¡°ø(electrochemical machining):

ÀüÇØ°¡°ø(electrochemical machining)Àº ÀüÇØ¿¬¸¶ÀÇ Àü±âÈ­ÇÐÀû ¹ÝÀÀÀ» º¸´Ù Å©°Ô ÇÏ°í ±â°èÀû ÀÛ¿ëÀ» ÷°¡½ÃÄÑ ³»¿­°­, ÃÊ°æÇÕ±Ý, °íÀå·Â°­ µî°ú °°ÀÌ »ó¿ë°¡°øÇϱ⠾î·Á¿î °ÍÀ» °¡°øÇÏ´Â ¹æ¹ýÀ¸·Î¼­, ±×¸²°ú °°ÀÌ °øÀÛ¹°À» ¾ç±ØÀ¸·Î ÇÏ°í À½±ØÀü±Ø°ú ÇÔ²² alkali ¼ºÀÇ ÀüÇؾ׿¡ ³Ö¾î °¡°øºÎ¸¦ ÀüÇؽÃÄѼ­ ±¸¸ÛÀ» ¶Õ°Å³ª ȨÆı⸦ ÇÑ´Ù.

ÀüÇØ°¡°ø

(3) ¹æÀü°¡°ø(electrodischarge machining):

Àü±Ø°ú °¡°ø¹°À» µîÀ¯ µî°ú °°Àº °¡°ø¾× Áß¿¡¼­ 0.04mm Á¤µµÀÇ °£°ÝÀ» À¯ÁöÇÑ »óÅ¿¡¼­ ¾çÀÚ »çÀÌ¿¡ 100V Á¤µµÀÇ Àü¾ÐÀ» °¡Çϸé Àý¿¬(ï¾æÞ)ÀÌ ±úÁ® ¹æÀü(Û¯ï³)ÀÌ »ý±ä´Ù. ÀÌ ºÒ²É¹æÀü(spark discharge)¿¡ ÀÇÇÏ¿© Àç·á¸¦ ¹Ì·®(Ú°Õá)¾¿ ¿ëÇØ(éÂú°)ÇÏ¿© Á¦°ÅÇÏ´Â ¹æ¹ýÀ» ÀÌ¿ëÇÑ °¡°øÀ» ¹æÀü°¡°ø(electrodischarge machining, EDM)À̶ó ÇÏ¸ç ±¸¸Û¶Õ±â, Á¶°¢, Àý´Ü µî¿¡ ÀÌ¿ëµÈ´Ù.

¹æÀü°¡°ø

(4) ÃÊÀ½ÆÄ°¡°ø(ultrasonic machining):

±×¸²°ú °°ÀÌ ÃÊÀ½ÆÄÁøµ¿À» ÇÏ´Â °ø±¸¿Í °øÀÛ¹° »çÀÌ¿¡ Áö¸³(ò²Ø£)°ú °øÀÛ¾×À» ³Ö°í °ø±¸¿¡ ÃÊÀ½ÆÄÁøµ¿À» ÁÖ¸é Áö¸³ÀÌ °øÀÛ¹°¿¡ Ãæµ¹ÇÏ¿© Àü»ç°¡°ø(ï®ÞÐÊ¥Íï)À» ÇÏ´Â °ÍÀ» ÃÊÀ½ÆÄ°¡°ø(ultrasonic machining)À̶ó ÇÑ´Ù. À¯¸®, ceramics, ¹ÝµµÃ¼ µî ºñ±Ý¼ÓÀç·á¿Í stainless °­°ú °°Àº ±Ý¼ÓÀç·á¿¡ die Á¶°¢, ÀÌÇü°üÅë(ì¶û¡Î»÷×)±¸¸Û, pipe Çü»óÀÇ °ø±¸¿¡ ÀÇÇÑ blanking µî¿¡ ÀÌ¿ëµÈ´Ù.

ÃÊÀ½ÆÄ°¡°ø

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  1. Shot Peening
  2. Shot Peening
  3. Electrochemical machining
  4. Chemical Machining
  5. Electrical discharge machining
  6. Grit Blasting
  7. Sand Blasting
  8. Sand/Shot/Grit Blasting
  9. Burnishing
  10. Roller burnishing
  11. Electro Polishing
  12. Electrochemical Machining
  13. Electrical Discharge Machining