Manufacturing Basics and
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Hi MBBP Subscribers, 

Manufacturing companies that are still scheduling their factory and suppliers with outputs from a Material Requirement Planning (MRP) System, are most likely experiencing the stressful and costly, "reschedule mania."  

It wasn't until late in my manufacturing career that I became aware of the need to turn MRP off for production and short-term procurement scheduling. Lean manufacturing techniques i.e. sequential production, linearity, point-of-use logistics, and team empowerment became my new processes for exceeding personal and company performance expectations. 

If your company is having problems coping with forecast errors, inside of lead time orders, late engineering changes and nervous requirements planning scheduling, don't pass up this week's MBBP HEADS-UP Article: "Sequential Production."

Have a nice day, and stay connected.

  
Bill Gaw

Business Basics, LLC
6003 Dassia Way
Oceanside, CA 92056
bg@bbasicsllc.com 
760-945-5596


Sequential Production

Effective shop floor control has proven elusive as we have upgraded our manufacturing control system from MRP to MRPII and then to ERP. To capture control of shop floor activities, we need to stop beating a "dead horse" and start implementing and improving the Sequential Production Process. The winners are!

It takes more than systems sophistication for manufacturing companies to gain control of factory operations. To achieve on-time shipments at healthy profit margins, companies need to continuously improve their obsolete MRPII/ERP "shop order launch and expedite" system with the simplicity of sequential production. The assertion that sequential production only works in high production, widget-manufacturing environments is a myth. Leading low-volume, "make-to-order" manufacturers are improving schedule flexibility, customer responsiveness and profit margins by developing and implementing the Sequential Production Process.

The Ford River Rouge Operation

Henry Ford first introduced sequential production at his River Rouge operation in 1920. Using sequential production as a key manufacturing principles and techniques, the Ford plant was able to go from receipt of iron ore to casting the engine block, and to shipment of the machined engine block in a final assembled car in an astonishing forty-eight hours. Fordís success, however, was limited by a manufacturing philosophy that called for the absolute power of a management hierarchy. Today the success of sequential production is in the hands of production workers and team empowerment. Product build operations content and sequencing, production tools and instructions, logistic layouts and cycle time targets are some of the responsibilities of the line worker in todayís sequential production environments. The improvement of speed, quality, costs are all placed within the responsibility and control of the production worker through team empowerment.

Sequential Production

Sequential production is neither an inventory control system, nor a replacement for MRP. It is an organized and focused assault on production flexibility, speed, quality and costs. It is a process that requires total employee involvement and participation in the continuous improvement of manufacturing performance. It focuses on cycle time reduction via reduced lot sizes and setup times, preventative maintenance, workplace integrity, visual scheduling and worker flexibility. Sequential production tools and techniques include process capabilities, reduced process variances, causal analyses with root cause determination and relevant corrective actions.

While starting a sequential production project at the end of the production process is good advice, one heavy equipment manufacturer started at the front because they could never start a customerís machine build on time as they always had to wait for the machineís welded base structure to be finished. The excuses for the delay: late shop order releases, raw materials shortages, no one told us to start, and itís a huge, complex, time consuming project. It was decided to break the machine structure build process into a six-station sequential production work cell: 1) raw materials prep, 2) sub-assembly welding, 3) frame welding, 4) tank build/installation, 5) manifold build/installation and 6) painting. The plan was to flow the work from one station to the next using visual scheduling and point-of-use logistics. To everyoneís surprise and delight, not only did this new production process make life easier for the weld shop personnel, it increased productivity and improved quality and eventually even reduced inventories. But most important, customer lead-times were reduced because machines no longer had to wait for the welded base structure.

A good approach to Sequential Production Process implementation is first to train all workers in the continuous improvement process (kaizen) and team dynamics. Next is to select a logical pilot project that would be carried out in advance of the rest of the plant "roll-out". The project should provide an area that can be isolated from material flows in the rest of the plant, but with production processes similar to the rest. The objective is to gain a quick success before "roll-outí to convince the skeptical that it is the way to go.

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Take Another $100 off the Website Visitor's Special Offer

A Special Offer for MBBP Subscribers
(The $100 discount applies for 1-week)

Bill Gaw's Manufacturing Simulation Game (ShowTime)

If your company needs help in effecting company wide buy-in and support of their lean manufacturing initiative, Bill's Manufacturing Simulation Game is a must have training tool. Transforming MRP supporters into Lean Manufacturing Champions is its prime objective.

ShowTime demonstrates the benefits of pull production and production cells (lean manufacturing) versus push/batch production (MRP). The game compares batch or push production techniques to one piece pull production using sequential production and point-of-use methodology. It shows how quality and productivity improve while reducing WIP inventory, scrap, rework, and floor space required. The game has been designed for 6-12 participants with unlimited observers. It is based upon each participant taking an active role in running a mini-production line where Ďrealí products are manufactured.

As a MBBP subscriber you have a one week window to take an extra $100 off our special Web site offer... to review details, take 5-minutes and simply click on the below link

Manufacturing Simulation Game


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