Lean manufacturing cycle counting

Caveat:   Blitzes are all too often un-targeted, .  done with little concern as to the overall impact on the total company.   The results of such un-focused blitzes typically have a significant local impact, microcosms of excellence , but little or no impact on overall company well being.   See “Solutions Looking for a Problem” below.

  • Blow-Through BOM’s (Bills of Material):   Many “assembled product” manufacturers need to maintain subassembly identity, and/or control configuration, for replacement parts.   In these circumstances, rather than have a flat bill of material, it is much more practical to continue to show all subassembly levels on the bill of material. A “Blow Through” level, allows the subassembly’s parts to be called out, for kitting or backflush purposes, on the next higher level assembly.   The MRP algorithm “blows through” .  treats the subassembly’s parts as if they were called out on the next higher-level assembly.
  • Boom-Bust Cycle:   Some Causes:   I just got off the phone with a steel finishing plant / distributor.   He said that their on-time delivery performance was terrible, and that their lead times had extended considerably.   When I mentioned some ways to fix this issue, his response was classic:   “The customers have learned to expect it”   “We can’t turn down orders.   We just promise what they want to hear, then beg forgiveness.” And what do the customers do in these situations?   You’ve go it!   They double order.   They order high “just in case”.   They ask for it early, knowing full well that it will be late.

    Facilities (land, buildings, equipment) provide the physical capability to add value and create products. The most common manifestation of facility planning (or lack thereof) is the Plant Layout . An effective layout incorporates and enables the manufacturing strategy on which it is based. Lean strategy starts with workflow and workflow is the result of process and layout. Mr. Lee has authored two books and many articles on Plant Layout and Facility Planning. His approach is organized, practical and systematic.

    Inventory Turns : How many times you can "Turn" your money over in a year. This is expressed as a ratio of the total inventory to the annual sales. Example: If the dollar value of the inventory (a number that probably must be reported to both your banker and the government) is $5,000,000 and the annual sales is $25,000,000 the inventory turns is five. If the inventory can be reduced to $1,000,000 the inventory turns become 25. Increasing your inventory turns may require a paradigm shift by your banker who may think inventory is something of value rather than MUDA.

    Lean manufacturing cycle counting

    lean manufacturing cycle counting

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