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Scientific Management of High-Variety, Complex Production

6/27/16       
Prasad Velaga

Website: http://optisol.biz

Custom woodworking units usually manage at any time multiple, concurrent projects using limited resources. They also have a lot of pressure to meet the due dates of individual projects. Resource-constrained, multi-project management is truly a challenging task for many custom woodworking units.

Based on my practical experience with many job shops (with custom production), I recently wrote a 12-page article on scientific management of high-variety production. I strongly believe it provides valuable information about job shop production management. The article is freely available (with seeking any contact information) at

http://www.optisol.biz/jobshopmanagement.pdf .

You may just ignore 13th page at the end which only contains a tiny paragraph referring to our scheduling software for such production.

http://www.optisol.biz/jobshopmanagement.pdf

6/27/16       #2: Scientific Management of High-Varie ...
TonyF

Hariprasad Charasia:

I will guess that the word he was looking for was "reputable". For those of us for whom English is a second language, and even for many of those for whom it is a primary language, finding the precise word to use is a challenge. English is adifficult language to learn if you do not already know it.

Prasad Velaga:

I have spent my working life in small custom shops, and so I wonder if on a larger scale, rather than have the possibility of constraints and bottlenecks, would it not be advantageous to have a number of self-contained small shops within a large manufacturing environment?

I suppose it depends on the scale of the machinery being used, and how "custom" the typical project is, but it seems as though it would be easier to control a few small manufacturing units, rather than putting the work flow through a larger workstation environment, where there could be numerous factors that may hold up all production, rather than just the production of a smaller, self-contained unit.

I would think that scheduling for the smaller units would be less troublesome, with minimal loss of economy of scale, because seperate units could be working on the same project if a very large project happens along.

Any thoughts?
TonyF

6/27/16       #3: Scientific Management of High-Varie ...
Prasad Velaga

Ron, I agree that having a number of self-contained small shops within a large manufacturing environment can offer some advantage. This aspect is tangetially covered in the article in the form of self-contained manufacturing cells for different part families. However, if some products made by the company have to pass through several such small shops, then we have to synchronize the production schedules of those shops. Such synchronization can pose difficulties sometimes.

Hariprasad Charasia:
I sincerely suggested readers to skip the last page because it does not contain any technical value. But, you picked a word from it for discussion. I was hoping to see some discussion on what I wrote on the first 12 pages.

I did not apply a lot of thinking to pick the most appropriate word to categorize the Indian Statistical Institute, Texas A&M University (College Station) and Washington State University (Pullman) where I worked as faculty. One of the meanings of "Reputed" is "widely known and respected". In my opinion, based on this definition, all three places deserve the word "Reputed". You may do Google search to know their relative standing in academic world. They do not have to be at par with MIT, Harvard, Stanford, Oxford, Cambridge, etc.

6/27/16       #4: Scientific Management of High-Varie ...
Prasad Velaga

I am sorry, Tony. By mistake, I addressed you as Ron.

6/28/16       #5: Scientific Management of High-Varie ...
John Costin

Prasad --

I am looking forward to sitting down with your article for a careful read.

Your posts here are always thoughtful and packed with expertise. Thanks for sharing this work with the WOODWEB community!

John Costin
vsu@gwi.net
(207)985-7221
Custom Veneered Products for the Woodworking Industry

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