ContentsClass #14: ±â¾÷¿ë Database ¼Ò°³ - MRP (Material Resouce Planning½Ã½ºÅÛ ¼Ò°³)
in place June 2, 2002, last modified June 2, 2002, working ...
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¼ø¼ °úÁ¤ ¼³¸í »êÃâ¹° ºñ°í 1 »ý»ê¿ë Á¦Ç°±¸Á¶ ¹× Routing »ý¼º Á¦Ç° °³¹ß¿ë Á¦Ç°±¸Á¶¿¡¼ Á¦Ç°»ý»ê¿ë Á¦Ç°±¸Á¶¸¦ »ý¼ºÇÏ°í À̸¦ ±âÃÊ·Î Á¦Ç°À» »ý»êÇÒ¼ö ÀÖ´Â °øÁ¤À» »ý¼ºÇÑ´Ù. »ý»ê¿ë ºÎÇ° ¸ñ·Ï, »ý»ê¿ë Á¦Ç°±¸Á¶, Routing »ý»ê°ü¸® 2 ÁÖ¹®¼öÁÖ ¹× Capacity Resource Planning °í°´ÁÖ¹®ÀÇ »ý»ê°ü¸® ¹× ÁÖ¹®¿¡ ´ëÇÑ º¸À¯ Resource ÅõÀÔ °èȹ ¹× Æò°¡ »ý»ê °èȹ »ý»ê°ü¸® 3 Shop Flow Control »ý»ê°èȹ¿¡ ÀÇÇÏ¿© ½ÇÁ¦ Á¦Ç° »ý»ê°úÁ¤À» ¸ð´ÏÅÍÇÏ°í °ü¸® »ý»ê ½ÇÀû »ý»ê ÇöÀå ºÎ¼ 4 Àç°í °ü¸® »ý»ê¿¡ ÇÊ¿äÇÑ ºÎÇ° Àç°í ¹× »ý»ê¿ÏÁ¦Ç° Àç°í °ü¸® Àç°í »óÅ Àç°í °ü¸® ºÎ¼ 5 ºÎÇ° ¼ö±Þ »ý»ê¿¡ ÇÊ¿äÇÑ ºÎÇ°À» ±¸¸ÅÇÏ´Â ¾÷¹« ºÎÇ°º° ¼ö±Þó ¹× °¡°Ý ±¸¸Å ºÎ¼ MRP (Matrial Resource Planning) System À̶õ
- »ý»ê BOM ¹× RoutingÀ» ±âÃÊ·Î ÁÖ¹®µÈ Á¦Ç°¿¡ ´ëÇÑ »ý»ê °èȹ¹× »ý»ê °úÁ¤À» °ü¸®ÇÏ´Â Á¤º¸ ½Ã½ºÅÛ
- ÁÖ¿ä±â´ÉÀ¸·Î Á¦Ç°±¸Á¶°ü¸®, CRP, SFC ±×¸®°í Àç°í ¹× ºÎÇ° ¼ö±Þ °ü¸® ±â´ÉµîÀÌ ÀÖ´Ù.
±â´É ¼³¸í Á¦Ç°±¸Á¶ ¹× Routing °ü¸® ºÎÇ°¸ñ·Ï ¹× ±¸Á¶¸¦ »ý¼ºÇÏ°í ÀÌ¿¡ RoutingÀ» »ý¼ºÇÏ¿© °ü¸® ÇÒ ¼ö ÀÖµµ·Ï ÇÑ´Ù. CAPACITY RESOURCE PLANNING ÁÖ¹®ÀÌ µé¾î¿À¸é ÀÌ ÁÖ¹®À» ´ëÀÀÇϱâ À§ÇÑ Resouce¸¦ ¿¹ÃøÇÑ´Ù. SHOP FLOW CONTROL ½ÇÁ¦ Á¦Ç°»ý»ê ½Ã °¨½Ã ¹× °ü¸® ¿ªÇÒ INVENTORY »ý»êÀ» À§ÇÑ ºÎÇ° ºÐÃâ ¹× ¿Ï¼ºÇ° º¸°ü PURCHASING ÇÊ¿äÇÑ ºÎÇ°À» Á¶´ÞÇϱâ À§ÇÑ Supplyer¿ÍÀÌ °ü°è A SIMPLE MRP
Product Structure
±×¸² 14-1 ´ë»ó Á¦Ç° ¹× Á¦Ç° ±¸Á¶
- Á¦Ç°±¸Á¶´Â Á¦Ç°ÀÇ »ç¾ç(Product Configuration) ¹× Á¶¸³±¸Á¶(Assembly Structure)¸¦ Ç¥Çö
- Á¦Ç°ÀÇ Á¶¸³°ü°è ¹× Qantity Per °¡ Ç¥ÇöµÇ¾î¾ß ÇÔ.
- ¿¹´Â ´ÙÀÏ »ç¾çÀÇ °ø±â ÆßÇÁ·Î ´ÙÀ½°ú °°ÀºPART_MASTER¿Í STRUCTURE Table ±¸Á¶·Î Ç¥Çö °¡´É
PART_MASTER Table
part no part name 10 pump 20 housing 30 rotor 40 blade 50 shaft STRUCURE Table
parent_part child_part qty_per 10 20 1 10 30 1 30 40 4 30 50 1 - ÀÌÀÇ ±¸ÇöÀº class13ÀÇ recusive query ¿¹¸¦ ÀÌ¿ë
Routing
±×¸² 14-2 ´ë»ó Á¦Ç° ¹× °øÁ¤ (Routing)
- ÇÑ ºÎÇ°ÀÇ °øÁ¤À̶õ ÇØ´ç ºÎÇ°À» »ý»êÇÏ´Â µ¥ ÇÊ¿äÇÑ ÀÛ¾÷ °úÁ¤
- ¼ø¼¹× ¼Ò¿ä ResourceÀÇ ¾ç(½Ã°£, ÀηÂ)ÀÌ Ç¥½Ã µÇ¾î¾ß ÇÔ
- ¿¹´Â ´ÙÀ½°ú °°Àº STD_STEP Table ±¸Á¶·Î Ç¥Çö °¡´É
STRUCURE Table
part_no route_code seq_no operation wctr resorce 30 A_TYPE 10 ASSY WCTR01 .5 30 A_TYPE 20 HEAT TREAT WCTR01 1 10 A_TYPE 30 ASSY WCTR01 .5 10 A_TYPE 40 PAINT WCTR01 1 10 A_TYPE 50 INSPECT WCTR01 .5 - ÀÌÀÇ ±¸ÇöÀº PART MASTERÀÇ °¢ Part¿¡ ´Ù¼öÀÇ Route ¸¦ Á¤ÀÇÇÒ ¼ö ÀÖµµ·Ï ÇÑ´Ù.
CRP
- ÇØ´ç Á¦Ç°ÀÇ ÁÖ¹®ÀÌ µé¾î¿Ã °æ¿ì
- ¼Ò¿äµÇ´Â ºÎÇ°ÀÇ °¹¼ö ¹× »ý»ê ¼Ò¿ä Resouce(½Ã°£ ÀηÂ) ¾çÀ» °è»ê
- ¿¹¿¡¼ 100 °³ÀÇ pumpÀÇ ÁÖ¹®ÀÌ µé¾î¿À¸é
20: 100°³, 40:400°³, 50:100 °³ÀÇ ºÎÇ°ÀÌ ÇÊ¿äÇϸç
5x100+1x100+.5x100+1x100+.5x100 = 350 unitÀÇ resouce °¡ ÇÊ¿äÇϸç
ÀÌ resouce´Â ÇØ´ç Workstation (WCTR01)ÀÇ ¿ë·®À» ³ÑÁö ¸»¾Æ¾ß ÇÑ´Ù.Inventory
- Inventory´Â ¼Ò¿äµÇ´Â ºÎÇ°À» Á¦°øÇÏ°í
- ¿Ï¼ºµÈ Á¦Ç°À» º¸°üÇϸç
- ºÎÇ°ÀÇ ¾ÈÀüÀç°í¸¦ °Ë»çÇÏ¿© ºÎÇ° Àç ÁÖ¹®À» ³»´Â ¿ªÇÒÀ» ÇÑ´Ù.
- ¿¹¿¡¼ 100°³ÀÇ pump ÁÖ¹®ÀÌ µé¾î¿Í »ý»ê È®Á¤µÈ °æ¿ì
»ý»ê°³½Ã ½Ã°£Àü¿¡ ÇÊ¿äÇÑ ºÎÇ°ÀÌ ºÐÃâµÇ¾î¾ß Çϸç
»ý»ê ¿Ï·á ½ÃÁ¡¿¡¼ ¿ÏÁ¦Ç°ÀÌ Àç°í·Î 󸮵µ°í
ºÎÇ°ÀÌ ºÐÃâµÇ¾î Àç°í¼öÁØÀÌ ¾ÈÀüÀç°í ÀÌÇÏ·Î ¶³¾îÁú °æ¿ì Á¤ÇØÁø ¼ö·® ¸¸Å ÁÖ¹® (Part 20, 40 °æ¿ì)- ¿¹¿¡¼ INVENTORY, LOCATION TableÀ» ÀÌ¿ëÇÏ¿© Ç¥ÇöÇÒ ¼ö ÀÖ´Ù.
INVENTORY Table
part_no qty_on_hand safty_level eoq 10 1000 500 - 20 120 100 100 40 700 400 400 50 1000 300 100 LOCATION Table
part_no warehouse locationl qty 10 WH01 AA 1000 20 WH02 AB 100 20 WH02 AC 20 40 WH02 AD 700 50 WH02 AZ 1000
Knowledge & Engineering Databases (c) copyright Namchul Do, 2002