Appendix1存贮ystems(英文)(共15页).ppt

1、1Appendix 1 - Storage systemsUpdated 14/01/032Small parts storage & picking systemsPaternoster orVertical CarouselMezzanine floorshelvingShelvingDraws in PalletrackingShelf storagestacker cranePowered Mobile ShelvingHorizontal Carousel3High density small parts storage and pickingCarton live stor

2、ageLongspan shelving + mezzanine floorMini-load4Mini Load - AS/AR (OSR - Order storage & retrieval) parts to man configuration very large number of SKUs random location items held in totes single cranes per aisle mixed cycle storage & picking high density storage slow to medium throughput di

3、stribution centre, parts, WIP & kitting5Small parts item weighingSensors placed under tote boxes linked to read write RFDT for use on multiple components. Use manufacturingsupply of small low value componentsfixings. Permits error free live updatingof warehouse records. For higher cost itemscan

4、be linked to an issue order so givingfull traceability Source: Manufacturing & Logistics IT Oct 20026Combined storage and picking systems - carton live storageSource: temperature controlled logistics Sept 2002 man to goods limited height availability high variety SKUs low throughput combined sto

5、rage and picking suitable for wide variety of goods and conditions high speed where linked to WMS and pick to light high stock accessibility good stock rotation good separation of feed and pick functions honeycombing manual feeding of stock requires good outer cases7Combined storage & pickingHor

6、izontal Carousel parts to man single bin per operation used in multiple pods limited height availability heavier items high variety SKUs low throughput combined storage and picking cycle high speed where linked to WMS capital cost 40 - 60k+ high stock accessibility higher noise levels8Vertical Carou

7、selCombined storage & pickingVertical Carousel combined storage and picking cycle high speed where linked to WMS capital cost 40 - 60k+ high stock accessibility low noise levels advanced type can have separate vertical zones parts to man single bin per operation good height utilisation high cube

8、 items high variety SKUs medium throughput9Palletised storage systems :Block Storage Features : unit load placed directly onto floorlimited depth - 6 plts deep,- back to back 2x6often used with counter balance - narrow chassissingle product per line- limited SKUs large holdingAdvantages :no capital

9、equipment requiredhigh floor utilisation 55%simplified managementcan use random accessDisadvantages :limited stacking height 3-4 plts, - post pallets, convertersdifficult to achieve First In First Out (LIFO)limited access to pallets / greater need for double handlingtypical occupancy 60 -70% - honey

10、-combingcomputerised location can be difficult to achieveHoney combing10Block storage warehouse11Palletised storage systems :Adjustable Pallet RackingFeatures : vertical end frames, horizontal cross beams,usually storing 2 pallets per beam up to 8 m highvariable slot heights, typically 1.5 -1.7 mlar

11、ge number of SKU, variable to low stock holding per SKU - low densitycost per pallet stored 20 - 22Advantages :open access to all locations, FIFO, good controlhigh occupancy rate 90 -95%good retrieval rateflexible - reserve or pick locationseasily adjustable and changeableDisadvantages :low space ut

12、ilisation 30% - nos. of aisleshigher handling costs12Adjustable Pallet Racking13Palletised storage systems :Double-deep pallet rackingFeatures : Standard APR placed back to back, each bay 2 plts deep x 2 widerequires floor level bottom beam limited SKUs with high stock holding per SKU - medium densi

13、tycannot mix SKUs per bay locationBulk store applicationCost per pallet stored 22 -24Advantages :improved floor space utilisation 45%Disadvantages :limited access to each pallet LIFOconstrained random accesspotentially increased double handlingslower retrieval rate - higher damageexpensive double de

14、ep reach truckslimited pallet weights - derating needs high quality pallets14Double-deep pallet racking15Palletised storage systemsDrive-In (Drive Thru) RackingFeatures : vertical support frames, tied at top, with cantilever support beamsforklift drives in or through the racklimited SKUs very high stock level per line - high density - seasonal movers -large single batch loadsBulk store, cold store applicationracked block storage - LIFOCost per pallet stored 40-45Advantages :achieve greater height, less damage than block storagehigh floor