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精益生产线设计 Lean Line Design-15

作者:本站编辑      2026-03-02 06:57:25     1
精益生产线设计 Lean Line Design-15
精益生产线设计步骤Process of Lean Line Design
关于大批量生产设备的处理Dealing with Batch-Oriented Equipment
之所以能采用这样布局,因为这些设备都是以单件加工的。但某些设备是以高速批量生产的方式加工,如喷漆、热处理、电镀等,往往都必须大批量同时加工。未来你也许会用简单的、单件流的设备来逐步替换这些高速批量的生产设备,但替代之前,我们该如何操作?
Be able to create their cell layout because their existing pacemaker equipment was designed to process one piece at a time, but some of your current pacemaker equipment may be configured to rapidly process batches instead of operating in a continuous flow, We call this sort of batch-oriented equipment 'monuments' and they often involve processes like painting, heat treating, and plating, In the future you may be able to replace your monuments with simpler, single-piece-flow equipment: But what can you do today?
  • 建立超市拉动系统或FIF0(先进先出)缓冲库存,将大批量生产的工序从单元中分离出去。

You can separate a batch-oriented process from your continuous flow with a supermarket pull system or FlFO buffer. 

  • 当加热、冷却、表面处理等工序,是通过传送带形式加工生产时,可以保留在连续流的内部,只要操作员能够在节拍内完成装料和卸料就可以了。不过需要注意一点,要注意消除不必要的走动浪费。

Heating, cooling, curing, and similar processes can sometimes be kept within a continuous flow when they are moving-conveyor processes, as long as operators can drop off a single uncured piece and pick up a single cured piece once within each takt time. Walk distances should be minimized.

  • 某些情况下,可以考虑忽略大批量设备的产能,把它当做单件流的生产方式安排生产。但需要核算一下,该设备平均生产一件产品的时间应小于节拍时间。

Sometimes, you can ignore the batch capability of equipment and use it in a single-piece mode, However, the equipment's effective cycle time for processing only one piece must still fit under the takt time.

  • 某些情况下,只需对现有设备稍加改动,就可以从大批量生产转变为单件生产,而且改造成本也不高。例如,把手动喷枪排成一列,就可以代替大型传送带式的喷漆生产线了。

Sometimes, with a little creativity, a batch-oriented machine can be replaced by an inexpensive, single-piece processing method right away. For example manual spray guns placed in-line can sometimes do the work of a batch-oriented, conveyorized paint line.

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