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8 Àå   ÁÂÇ¥ÃøÁ¤(Coordinate measuring Machine)

(8-1) °³¿ä ¢Ð

º» ÁÂÇ¥ÃøÁ¤¿¡¼­´Â ÇÊ¿ä¿¡ µû¶ó 1Â÷¿øÃøÁ¤, 2Â÷¿øÃøÁ¤ ¹× 3Â÷¿øÃøÁ¤ÀÌ °¡´ÉÇÑ 3Â÷¿ø ÃøÁ¤±â¿¡ ÇÑÇؼ­ Ãë±ÞÇϱâ·Î ÇÑ´Ù.
3Â÷¿øÃøÁ¤±â¶õ probe°¡ ¹°Ã¼ÀÇ Ç¥¸é À§Ä¡¸¦ 3Â÷¿øÀûÀ¸·Î À̵¿Çϸ鼭 °¢ ÃøÁ¤ Á¡ÀÇ °ø°£ÁÂÇ¥¸¦ °ËÃâÇÏ¿© ±× data¸¦ computer¿¡¼­ ó¸®ÇÔÀ¸·Î½á 3Â÷¿øÀûÀÎ Å©±â³ª À§Ä¡, ¹æÇâ µîÀ» ¾Ë¼ö ÀÖ°ÔÇÏ´Â ¸¸´ÉÃøÁ¤±â·Î¼­ ¹°Ã¼ Ç¥¸é¿¡¼­ Á¡µéÀÇ ÁÂÇ¥¸¦ ¾Ë¾Æ³»±â À§ÇÏ¿© probe¸¦ ¿òÁ÷ÀÌ´Â ÀÏÁ¾ÀÇ NC machine ÀÌ´Ù.
3Â÷¿øÃøÁ¤±â¸¦ ÀÌ¿ëÇÏ¸é º¹ÀâÇÑ Çü»óÀÇ ¹°Ã¼µµ ½±°Ô ÃøÁ¤ÇÒ ¼ö ÀÖÀ¸¸ç, software¸¦ ÀÌ¿ëÇÏ¿© ÀÀ¿ä¹üÀ§¸¦ È®´ëÇÒ ¼ö ÀÖ°í ´Ù¸¥ system°úµµ data Åë½ÅÀÌ ¿ëÀÌ ÇÏ´Ù.
ÃøÁ¤µÈ ¼ö¸¹Àº Á¡µé·Î ¹°Ã¼ÀÇ Å©±â¿Í À§Ä¡¸¦ ¾Ë ¼ö ÀÖÀ»»Ó ¾Æ´Ï¶ó data¸¦ CAD software·Î º¸³» ÃøÁ¤ ºÎÀ§·¹ ´ëÇÑ 3Â÷¿ø Çü»ó(image)À» ¸¸µé ¼ö ÀÖ´Ù. laser scanner¸¦ ÀÌ¿ëÇÏ¿© ¿ª°øÇÐ(reverse engineering)¿¡µµ ÀÌ¿ëµÉ ¼ö ÀÖ´Ù.
3Â÷¿øÃøÁ¤±â´Â ¼öµ¿, CNC ¹× PC·Î Á¦¾îÇÒ ¼ö ÀÖ´Ù.

3Â÷¿øÃøÁ¤±â´Â

  1. body: X, Y, Z ÃàÀ» °®´Â ±¸Á¶·Î µÇ¾ú´Ù.
  2. controller: ÀüÀÚÀûÀ¸·Î ÃøÁ¤ ÀåºñÀÇ ¼Óµµ, °¡¼Óµµ, À§Ä¡¸¦ Á¦¾îÇÑ´Ù.
  3. probing system: ÃøÁ¤¹°ÀÇ ÁÂÇ¥¸¦ °ËÃâÇÏ´Â sensor ÀÌ´Ù.
  4. computer¿Í program: data¸¦ ó¸®ÇÑ´Ù.
  5. ±âŸ:joystick, printer. µî
·Î µÇ¾î ÀÖ´Ù.

(8-2) 3Â÷¿øÃøÁ¤±âÀÇ Á¾·ù

3Â÷¿øÃøÁ¤±âÀÇ Á¾·ù¿¡´Â

  1. gantry type: YÃàÀÇ ¾ç´ÜÀ» ÁöÁöÇÑ °ÍÀ¸·Î¼­ °­¼ºÀÌ Å©¸ç, YÃàÀÌ ±æ°Å³ª Áß·®ÀÌ Å« °ÍÀÇ ÃøÁ¤¿¡ ÀûÇÕÇÏ´Ù.
  2. ¿ÜÆȺ¸Çü(cantilever type): ¼öÁ÷ armÀÌ cantilever·Î ÁöÁöµÇ¾î ÀÖ´Ù.
  3. ±³·®Çü(bridge type): armÀÌ ¼öÆò beam»ó¿¡ °ÉÃÄ ÀÖ°í ¼öÆò beamÀº 2°³ÀÇ ±âµÕÀ¸·Î ¹ç¿© ÀÖÀ¸¸ç XÃàÀ¸·Î bridge°¡ À̵¿ÇÒ ¼ö ÀÖ´Â °Í°ú °íÁ¤µÈ °ÍÀÌ ÀÖ´Ù.
  4. ±âµÕÇü(column type):
  5. portable type
µîÀÌ ÀÖ´Ù.
 

(8-3) 3Â÷¿øÃøÁ¤±âÀÇ ¿ëµµ

3Â÷¿øÃøÁ¤±â¸¦ ÀÌ¿ëÇÏ¿©

  1. °Å¸®(distance)
  2. Á÷°¢µµ(perpendicularity)
  3. ÁøÁ÷µµ(straightness)
  4. Æò¸éµµ(flatness)
  5. °¢(angle)
  6. ÆòÇ൵(parallelism)
  7. Áø¿øµµ(roundness)
  8. µ¿½Éµµ(concentricity)
  9. Á¶µµ(roughness)
µîÀ» °¢°¢ ÃøÁ¤ÇÒ ¼ö ÀÖ°í, ÀÌ °ÍµéÀ» Á¶ÇÕÇÏ¿© ÃøÁ¤Á¡ÀÇ ÁÂÇ¥ ¶Ç´Â ÃøÁ¤¹° Ç¥¸éÀÇ Çü»óÀ» °ËÃâÇÒ ¼ö ÀÖ´Ù.
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