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Product category: Stacking and picking, aisle trucks, tower trucks, container trucks
News Release from: Crown Lift Trucks | Subject: Inventory management
Edited by the Manufacturingtalk Editorial Team on 23 May 2007

Inventory management with RFID
technology

Crown has adopted the CribMaster inventory management system which uses RFID technology to provide material handling and logistics support.

Crown has begun to look at RFID (Radio Frequency Identification) to help with their indirect material challenges Being a manufacturer of lift trucks, RFID had certainly been on Crown's radar screen

The benefits to material handling and logistics operations have been becoming more and more obvious.

But with the growing industry buzz around RFID, Crown began to investigate the possibility of expanding their RFID use to manage indirect materials and solving the challenge of providing 24-hour access.

Conceptually, Crown believed with RFID its employees could simply walk in a crib, pick up their supplies, and get back to work.

Was this possible? Their research uncovered the CribMaster Accu-Port (illustration 2:1), which is a commercial off the shelf (COTS) inventory management system geared specifically for managing indirect materials.

CribMaster has partnered with Symbol Technologies to provide the antennae and readers to power the Accu-Port and have designed a plug-n-play portal specifically for managing indirect materials.

The CribMaster system utilises passive RFID technology and Gen2 passive tags.

This system offered Crown many benefits...

1/ Ability to access their tools at any time without staffing the crib.

2/ Reduction of a 24-hour position to an hour and a half restocking job.

3/ The use of light-duty workers for restocking.

4/ Establishing organized delivery of items.

5/ Retaining an already effective replenishment method by integrating with their current system.

Even with all these advantages, the common issue of tagging small, expendable items with RFID was still on the table.

It is hard to imagine attaching a tag to a screwdriver or drill bit, but with WinWare's help, Crown discovered another way: tag the packaging , not the product.

Crown implemented a system where items are placed in bags with the corresponding label and RFID tag.

A great advantage here is once a worker takes their item and walks out of the crib, they simply remove it from the bag, place the bag in a 'mailbox' and that packaging can be used again and again.

This not only minimises the cost of tags, but also limits the effort of restocking.

Crown's employees could now find items and even move the entire crib with ease.

All items have been tagged and stocked according to a coordinate system.

Then, if for any reason the crib needs to be moved, the walls can be taken apart, shrink-wrapped, and moved with all products still attached.

The dismantling and reassembly can be completed in one day.

It doesn't get much easier than that.

With tagging taken care of and the 'mailbox' system in place, restocking became easier than ever.

At Crown, each crib monitors the movement of two to three hundred items each day.

In crib 1, every one of these products is an expendable item, and therefore must be replaced.

This process reduces restocking time and allows Crown employees to focus on other aspects of their indirect supply chain.

With RFID the employee can simply refill the bags and take as many as 30 items back into the crib at a time.

Here, all thirty are recorded and assigned to the tag instantly.

In the end, having the CribMaster Accu-Port in just one area of their operation is benefiting Crown.

ROI studies have proven a substantial impact, and this savings has allowed Crown to justify the system with reduced inventory usage alone.

Using reportable purchasing information, Crown has acknowledged that since implementing the Accu-Port crib, their daily average inventory usage has been reduced by 21.65 percent.

This has proven a return on investment of less than four months.

Other Soft Cost Reductions Acknowledged by Crown The other reductions, not taken into consideration, are also substantial and can dramatically shorten the ROI even more.

The other cost considerations are listed below.

1/ labour Savings - the reduction of a 24-hour position to an hour and a half was a great reduction in labour cost.

2 Walk Time - having a central crib reduced the employee's travel time.

3/ Improved Productivity and Less Down Time - with the easily accessible tools, Crown employees can now grab what they need and get straight back to work.

Some continuous improvement plans for Crown include expanding their RFID network.

Brenda Hughes foresees 9-10 Accu-Ports across her facilities by 2010.

This consolidation will give her the ability to utilise bulk buying incen tives, while the mobility and easy "go-live" of the cribs will make this transition period run smoothly.

RFID ended up being a no-brainer for Crown.

They saved on tags and reduced restock time with the innovative identification scheme by tagging the packages.

Their employees could maximise the system's potential with ease, but more importantly, they could finally reach the tools they needed around the clock.

Crown has proven that RFID tagging and the CribMaster Accu-Port are the necessary means for solidifying their indirect material inventory management.

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