Expert Insight: Sorting it Out
By Cliff Holste
Date: November 4, 2009

Logistics News:  Does Case Picking Automation In The DC Inhibit Operational Flexibility?

 

Logistics Managers Need Assurance that Case Picking Automation Can Deliver Both High Productivity and Operational Flexibility

Recently, Distribution Digest interviewed logistics executives and DC managers relative to a Supply Chain Digest survey on Automated Case Picking in the DC and found that near the top of their list of concerns (just behind ROI) was operational flexibility, or the perceived lack thereof (to download the report, go to Automated Case Picking 2009: The Next Frontier In Distribution Center Management).

 

So we asked them what their key concerns are relative to flexibility – examples of their collective answers are as follows:

 

  • Value Added Services - Customer specified services as practiced both internally and externally.

Note: We probed a little deeper on this one and found that the unraveling of shipping compliance labeling standards is the major concern at this time. See SCDigest report - (Meeting with VICS on Emerging Retail Carton Labeling Issues)

  • The capability to respond quickly to changing market conditions.
  • The flexibility to alter operations on-the-fly in order to respond to unplanned events.
  • The ability to deliver consistently the right item to the right place at the right time.
  • A clearly demonstrated ability to improve overall operations.

Another big flexibility issue is designing and providing systems that are SKU and volume independent. This means having the ability to add SKUs easily without adding or modifying hardware and ramping-up capacity incrementally by adding system modules.

 

Many believe that the more highly automated the material handling system the less flexibility you have. One CIO told us that when they started searching for a Warehouse Management System (WMS), for example, they were looking for a supply chain partner who could support both retail store and direct-to-consumer operations in a single facility. The two picking and shipping processes are very different and frequently changing, so the warehouse management application had to be adaptable and flexible.

We were not surprised by the comments we received. It’s true that highly automated systems are typically difficult to reconfigure. If your business is multi-channel and/or in anyway fashion or style orientated, then you know that year-to-year changes in products, customer order profiles, and value added services are normal and to be expected. Therefore, all throughout the system planning process the need for operational flexibility must be defined and stressed.

 

The following are a few examples of where system flexibility is satisfying changes in business practices:

Flexible Tracking Systems


Businesses are focused on keeping track of product throughout the manufacturing and material handling cycle. One reason is a renewed emphasis on controlling shrinkage. Companies like Wal-Mart are requesting that their suppliers make it harder for someone to steal product, whether that someone is a customer or an employee. Thus Automated Case Picking (ACP) methods with integrated controls are emerging providing the ability to gather data from all types of sensors (including RFID tags) and connect to multiple access points to gather information.

Such information gathering is critical for the grocery, pharmaceutical and automotive parts industries. Groceries and pharmaceuticals are working to comply with requirements from the FDA, while automotive companies need strong information gathering systems to track warranties better, log data from the manufacturing process on tires, and track product throughout its life cycle. A major reason for all this tracking is to help limit liability exposure, of which there have been far too many examples in the news headlines of late.

Tracking software in ACP control systems now includes features that help businesses manage that data, turning it into information. The newer generation of WCS (Warehouse Control Systems) come with the ability to extract data from higher level software, such as WMS.


Flexible Distributed Control Systems


Centralized control is pretty much “out” in warehousing and distribution. Companies are distributing control functions throughout their DC system operations to gain several benefits; lower overall system cost, greater choice and control over features, and configuration flexibility. Thus, while it’s taken a while to arrive, more controls and software programs are available that are not tied to a specific hardware platform. You can run these programs on any computer hardware, and you can integrate control hardware among almost any type of material handling equipment.

ACP providers are working on making installation and integration easier through “plug-n-play” technology. In addition, ACP systems are available with control intelligence embedded in them. AGVs, Robots, Conveyors and Sorters, for example, are no longer commodity items, as embedded intelligence makes them more valuable partners in the distribution and order fulfillment process.

Flexible and Agile Material Handling Systems


Because of the physicality of material handling, it’s hard for some people to understand the inherent nuances of equipment in terms of its flexibility and agility. DC operations and logistics managers have typically looked at material handling hardware as inflexible.

 

One of the compelling components to ACP agility is the flexibility of the information and control system known as the WCS (Warehouse Control System). With a WCS, companies can have the right combination of everything from electromechanical devices to information and associated systems. Operations managers can see what’s going on with the system and make changes on the fly. They can also integrate prognostic capability into their mechanical systems. These features and many more are already available. See SCDigest article – (Increasing Number of Options for Sourcing Warehouse Control Systems)

 

In addition to the above examples, another aspect of flexibility involves communications. In time, wireless connectivity will be in every integrated material handling control system, enabling users to reconfigure their processes more easily as their business needs change. Cabling costs and installation challenges will disappear.


Final Thoughts


Clearly, for most DC operations today’s emerging ACP technologies are capable of providing companies with the opportunity to reach higher levels of productivity without compromising operational flexibility.

 

Having said that, DC managers need to understand that to gain more specific operational flexibility, they need to resist buying on price, (i.e., traditional bid-to-spec process) because it can cut short the analysis and preparation on the front end that allows ACP providers to have an awareness of the buyers specific needs and make informed decisions that demonstrate an understanding of the flexibility that’s inherently available with integrated ACP solutions.


Agree or disgree with Holste's perspective? What would you add? Let us know your thoughts for publication in the SCDigest newsletter Feedback section, and on the website. Upon request, comments will be posted with the respondent's name or company withheld.

You can also contact Holste directly to discuss your material handling or distribution challenges at the Feedback button below.


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profile About the Author
Cliff Holste is Supply Chain Digest's Material Handling Editor. With more than 30 years experience in designing and implementing material handling and order picking systems in distribution, Holste has worked with dozens of large and smaller companies to improve distribution performance.
 
Visit SCDigest's New Distribution Digest web page for the best in distribution management and material handling news and insight.

Holste Says:


Because of the physicality of material handling, it’s hard for some people to understand the inherent nuances of equipment in terms of its flexibility and agility.


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