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MRPII


60- , , , . , .

: , , , .

, . (MRP).

, MRP- , , . , MRP , , , . ( , ), ( , , , ()).

MRP JIT (Just In Time - ) KanBan ( ). , MRP . , - . MRP- (safety stock), .

MRP, , , , . , , , . , "", , . . "- ", " , , ". , . , . MRPII.

MRPII (Manufacturing Resource Planning)

, , . , , .. , , :

  • ?
  • ?
  • ?
  • ?

, ( ) . . , .

: " ?". , , , .., ( - ) . , MRPII- (Manufacturing Resource Planning System. - "II" , , )

, MRPII- :

  1. ( -)

MRPII- :


1. MRPII-.

: , , . , , , , , . , -.

( ), , -. , , .

. . , .

( - " ") / , , , .

(, , ..)

, . , " " (Closed loop principle) . , .

MRPII-

(Master Production Schedule) (Production plan)

, MRPII . . . (Master Production Schedule-MPS) : " 30 ". , , :

  1. .

, :


( )
(MPS)
31.03     60
30.04 30 35 65
25 36 71
...
30.06 30 35 75
     

2.

, 3, -, , , , .


( )

(MPS)
31.3     6000
30.4 3000 3500 6500
2500 3600 7100
31.5 3000 3500 7000
3800 3200 6500
30.6 3000 3500 7500
3200 3700 7000
... ... ... ... ...
31.12 3000 3500 10500
     

3. -

- , , , , , . MRPII-, - , , , -. (" ?"), MRPII- (Bill of materials file) -(" ?") , ( - " ?"), (" ?").

:

- -
789887 1
678767 1
678776 4
787987 4
789877 4
........... ......................... ................
............ ............. ...
567765 4

4. -

. , ( ) , - . .


(MRP - Materials Requirements Planning)

(MRP - Materials Requirements Planning) , MRPII (Manufacturing Resources Planning, "II" MRP). - , . -, , - , , , .
MRP- :

  • (Inventory Status File) MRP-. -, . , , , , , , , , , , . , .
  • (Master Production Schedule) .
  • (Bills of Material File) , . , . , , .. . .

MRP- :

  1. ( ) , . , , ( ) .

     

  2. . -, , , . , : ( , ) , . , , :

    = - - -

     

  3. , , . , MRP-, , (lead time). , , . .

, MRP- :

  • (Planned Order Schedule) , . , , , .
  • (Changes in planned orders) . , , .

(CRP-Capacity Requirements Planning)

, , -, MRP , . MRP- (CRP-). / (routing plan). , , , . 5 . , (work center). , , .. CRP- (Capacity requirements plan). , , .





-
1 456676 1
2 56787, 345   5
2.1 56787 .
.
4
  345 . . 1
  .... .... .... ....

5. / (routing plan)

, MRPII- (Lock step principle). , , (MRP-, (MPS)) , , , , . . .

6 . CRP-.

.
¦ 1500

-
- 1.03.99 2.03.99 3.03.99 4.03.99 5.03.99
91234 12378 50   3.5      
80902 9870 500     16.5    
 
294 201 345 210 286

6. .

, : CRP- , MRP- , (MPS) , , , . , , , CRP- , , - . , MRP-, CRP-, .

. (input/output reports)

, , , . (Output control reports). 7.

¦1500.
- 23.05.1999,
-
/ 2.05.99 9.05.99 16.05.99 23.05.99
270 270 270 270
250 220 190  
-20 -70 -150  
         

7. . - 1 .

, 20 , -50 - 80 . , 150 .

. , , , 7 135 . , 135 , , , . , ..

, -. , - . , 7, , .

(Dispatch lists)

, ( , ) MRPII- (operation lists). ( ) . . , MRPII-. 8 .

¦ 1500 ( ), 23.05.99
-
17678 98769 50 20.05.99 3.5
16789 89769 500 23.05.99 19.2
18784 56307 1100 23.05.99 28.6
67830 78567 500 23.05.99 16.5
47890 87300 120 26.05.99 8.4
76.2

8.

, . , - 20.05, MRPII- . , 26.05.99 . , ( , 24), , .

(feedback) MRPII-

(feedback) MRPII-. , - , , . , . , , . , MRPII, . . . , , MRPII- " " (safety stock).

MRPII . ( ) (, ), .

MRPII- . - : , , . , , , MRPII- , , , , . , , MRPII- , .

, , , MRPII- .

MRPII- . MRPII-:

  1. MRP CRP .
  2. , .
  3. .
  4. (planning horizon)

, .

.
MRPII ERP CSRP.

, , . , , . , . . , . 90- ERP-. ERP- , MRPII, . , "ERP-", MRPII-, , .

SCM (Supply Chain Management), MRPII. SCM, , .

-, . , -, , , . . - , : , . CSRP (Customer Synchronized Resource Planning). CSRP, , , . , , , , . . , , , , . , .

, . , , , . , , " ", " ". , , , , , ERP, , - "", , . , , "" , - , , .. , MRPII - .

 

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