Putaway and Removal Strategies in WM
Table of Contents
Table of Contents林徽因徐志摩
Putaway and Removal Strategies in WM
Application
Putaway Strategies:
“ “ - Manual stock placement
B - Bulk storage
C - Open storage
F - Fixed bins
I - Addition to existing stock
K - Near picking bin
L - Next empty bin
P - Storage unit type关于树的谚语
Q - Dynamic coordinate quant number
R - Dynamic coordinate reference number
Removal Strategies:
傣族泼水节“ “ - No stock removal strategy (Stringent FIFO across all storage types)
A - Partial quantity management
F - FIFO (First in first out)
H - Shelf life expiration date
L - LIFO (Last in first out)
M - Large/small quantities included (Cascading Storage)
P - Fixed bin from material master
R - Dynamic coordinate reference number
Customising:
Technical:
Uful Hints:
Notes and Further Sources of Information:
Putaway and Removal Strategies in WM
Application
Strategies are ud in the warehou process for creating transfer orders.
Provide the most efficient arch technique for storage bins in the warehou.
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Each Storage type in the warehou can be customized with a Putaway and (or) Picking strategy.
Control indicator’s: defined for putaway and picking per storage type in order to provide specific putaway or removal control per storage type.
Putaway Strategies:
“ “ - Manual stock placement
No strategy is ud.
During transfer order processing, for placement into a storage type with manual stock placement, the storage bin will be lected and entered manually by the ur.
Recommended for interim storage types.
Can also be ud in conjunction with Storage Unit Management.
B - Bulk storage
Ud for cas where the material in question occurs in large quantities.
The storage strategy ensures fast access to storage bins by using a more organid structure within the storage bin.
Also be u Storage Unit Management and mixed storage.
You cannot u mixed storage without Storage Unit management for bulk storage.
Addition to existing stock must be allowed if Bulk storage is ud.
For all putaways with SU managed bulk storage, the system will attempt to putaway as per “addition to existing stock” by arching for bins with the same material, before attempting to putaway as per “mixed storage” .
88450
Plea read SAP Note : VL32N: Incorrect quantities for goods receipt with BS
Extra customizing for bulk storage may be necessary in the “Storage type control” screen for bulk storage.
Partial Pallet Management: Unless otherwi indicated, only full pallets of stock can be putaway in storage types with bulk storage and storage unit management (As Storage Units may be a partial amount of the full pallet size).
You can indicate in the “Storage type control” screen whether partial pallets are allowed to be placed in the storage type.
Plea note, for cas where partial pallet management is not allowed, you must define a pick point storage type in the stock removal storage type for the remaining quantities. Pick point storage types cannot be bulk storage types; they must have putaway strategy “Q”
(See below for more details).
For cas where bulk storage is defined with mixed storage indicator ‘X’ partial pallet management must also be allowed.
报税网上申报Block Structures: For bulk storage types you can define Block Structures in the “Strategy for bulk storage” customizing transaction.
For bulk storage with storage units, you need to define:
拆字大全How many storage units will fit into a block (or row).
You are allowed to define the number of stacks (columns) the maximum stack height and this will calculate the number of storage units.
For example, 6 stacks of maximum height 4 will allow 24 SUT’s in the row.
Diagram 1.1. Illustrates bulk storage in WM:
C - Open storage
System arches for a bin on an open storage type.
The mixed storage indicator should be ud for all open storage types.
Usually, one or more open storage ctions are defined for open storage type. Then one mixed storage bin is defined per ction.
F - Fixed bins
Ud when a material is to be stored in one storage bin in the warehou.
Defined in the material master and for all putaways of this material the system determines the fixed bin.
The ur can override the fixed bin determination and enter a manual bin.
The addition to stock indicator must be flagged so that quants can be added to.
If a ur tries to add a material without a fixed storage bin into a fixed storage bin, the system will issue an error message.
I - Addition to existing stock
System will arch firstly for a storage bin where the material can be added to an existing quant.
Providing there is enough capacity for the material to be added, this is where it will be placed. It is important for this strategy that the capacity check is correct.
The system will check the capacity allowed in the bin before adding the material.
If there are no bins in the storage type with the same material or enough capacity, then the system will switch to strategy “Next Empty Bin” (e below).
Material must be exactly the same as the material in the bin in order to be added to the quant, for example, If the material is batch managed, the material to be added, must be from the same batch as the material which already exists in the bin. (See SAP help on “Definition of a quant”) Flagging the control indicator “addition to stock” with another putaway strategy for example “F” – fixed bins, the outcome will not be the same. The indicator allows additional stock to be added to storage bins that contain material, but the putaway strategy will determine how bins are found, the putaway strategy “I” arches first for bins with existing material.
The indicator addition to stock can be x – if you want addition to stock generally allowed, or m – if you want addition to stock only if the addition to stock indicator is flagged on the material to be putaway.
The addition to stock strategy and the addition to stock indicator, both violate the “FIFO” principle.
It’s not recommended to u addition to stock if you want a “First in First out” principle in the warehou, as FIFO requires that you keep track of Goods Receipt dates.
The Goods Receipt date field is stored on the Quant (LQUA) table, with addition to stock you are adding new stock all the time to the quant, so the goods receipt date will not be unique to each movement.
K - Near picking bin
Similar customizing to “F” fixed bin.
If there is a fixed bin indicated on the material master of the material to be putaway, with this strategy, of the material cannot be moved to the fixed bin, the system will arch for the nearest bin to the fixed bin.
It important with this strategy that the storage bin structure is correct.
The system will first try to arch for the nearest bin in the column (stack) where the fixed bin is located, working from the bottom up, if no bin is found here, then the system will arch to the right of the bin and then to the left (rows).
L - Next empty bin
Suited to more randomly organid Warehou.
The system will arch within the storage type for the next empty bin.
P - Storage unit type
Ud in conjunction with storage bin ctioning.
With this putaway strategy, you can ction off the storage type for different SUT’s.
It is important define capacity checks and storage bin types and also check the SUT check flag in the control indicators for the strategy.
You can define bin ctions in the customizing transaction for strategy P.
When creating storage bins, you must also define the storage bin type. When tting up bin ctioning each ction will have a key
(usually A, B, C for example) you can define more than one SUT for each key, thus allowing different type of pallet’s to be stored in one bin. The following illustrates this:
WhN Typ SecKey No.Secs 1 2 3 4 5 6 .... (Sections)
001 007 A 2 A B
001 007 B 3 1 2 3
Q - Dynamic coordinate quant number
Each time stock is moved to the storage type a dynamic bin (using the quant number with leading zero’s) is created.
Ud to fully utilize the capacity of a warehou.
Temporarily store incoming stock (Until it is putaway in a more permanent location such as the ID point) if the putaway is to take up a longer time than usual.
By doing this you prevent the putaway bin from being unnecessarily blocked for further putaways.
For this reason its mostly ud in conjunction with a relevant ID point storage type.
R - Dynamic coordinate reference number
removal type on a storage type is also “R”.
It’s ud mostly for 2-step picking.
Storage unit management is not allowed for this storage strategy.
An example of how the strategy is ud:
For the pick step of a 2-step pick you assign the material that you have picked to an interim storage area with putaway strategy “R”, a
master WM tab).
The partial quantity in a storage unit must be less than the standard storage unit quantity. Situations where quants exist which contain more stock than the standard storage unit type should not occur.
Also u the SLED for stringent FIFO. In customizing you define that the system should arch for the oldest quant by SLED in the entire warehou.
L - LIFO (Last in first out)
Ud when the FIFO principle is not suitable.
Cas you can have a storage type with fast-moving and slow-moving items in the storage bins (same or different materials).
The fast moving items are stored on top of already stored slow-moving items and will be required first. For this situation the LIFO (Last In First Out) storage strategy is ud.
GR Date is ud to determine the age of the quants.
The last quant placed in storage will be propod for picking for the next transfer order.
M - Large/small quantities included (Cascading Storage)
Cas there may be different requirements for a material per transfer order.
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Example some customers may require a pallet, box or pair of a certain material, where there are 10 pairs per box and 5 boxes’ per pallet.
If the material can be sold in pallets, boxes and pairs and all are stored in the same warehou, it may make n to u this strategy.
So, using the example above, you could t up 3 different storage types one each for Large, Medium and Small quantities.
Depending on the transfer order requirement for stock, the system should find the most relevant storage type for picking.
In order to identify which type is required, the system checks the “Control Quantity” field in the material master.
In the Storage Type Search Table in customizing, each storage type also needs to be defined per siz
e so that first small, then medium, then large is arched. (Movement type 603 is the standard movement type for this strategy)
The illustration below shows an example of this strategy using two storage types:
System will propo the fixed bin storage type if the quantity to be picked is less than or equal to the control quantity in the material master.
P - Fixed bin from material master
Similar in principle to the fixed bin strategy for stock removal.
A fixed bin, which has been maintained for a storage type in the warehou, is defined in the material master as the picking storage bin.
Each time this material is to be picked the system will propo this storage bin. As with the placement strategy, urs can override the proposal and enter a different bin.
It is highly recommended to t up replenishment control for storage types where this strategy is ud.
Replenishment: For instances where high levels of stock are frequently picked from a fixed bin, you can customize the system so that each time stock is taken out of the fixed bin, stock is replenished from another replenishment storage type.
To do this you must t up capacity check, control and min/max quantities in the material master, so that stock in the fixed bin cannot go below a certain level without a replenishment taking place.
R - Dynamic coordinate reference number
学习焦裕禄Plea e explanation for Dynamic coordinate reference number in the Placement Strategies ction.
Customising:
Customising for stock placement and stock removal strategies is added at storage type level. Whatever strategy has been defined here is applicable to all bins in that particular storage type.
The relevant customising menu paths are as follows:
> Menu-path for storage type definition:
IMG > Logistics Execution Warehou Management > Master Data > Storage Type Definition
> Menu-path for storage type arch:
IMG > Logistics Execution > Warehou Management > Strategies > Activate Storage Type Search
> Menu-path for material master:
Logistics > Logistics Execution > Master Date > Material > Material > Display
In here on the WM1 tab, you can view if specific stock placement or removal indicators have been added which will further influence the storage
