Just In Case Vs Just In Time ProcessingTraditional manufacturing is known as Just In Case manufacturing. This is because traditional manufacturing works on WIP and keeps provisions for the probable errors that might occur. That is Just In Case of problem you will have the protection of WIP to continue work. For an example, Just In Case of machine breakdown, system can still work on its precautionary action, which is high WIP. Lean manufacturing, in it's core has the Just In Time approach. Processes happen in a sequence one after the other, just when they are required to happen. In JIT every operation directly depends on the previous operations and therefore calls for perfection of the system. JIT can be broken down in to three main areas.
They are; JIT purchasing makes sure raw materials are available when they are needed, only in small quantities. JIT manufacturing works on very small batches or as single piece flow without WIP accumulation. JIT distribution makes sure finished products are distributed to the intended destinations in small frequent batches. JIT makes value to flow without interruptions, without accumulating in the working environment. This makes the system to run smoothly. JIT have succeeded in making manufacturing systems very flexible, and low cost. When you believe your system creates errors, you are more likely to go for Just In Case type of manufacturing. But in Just In Time production systems are fool proofed systems. Therefore you will have the confidence of going JIT. |
| Just in time manufacturing | Just in time purchasing | Just in time distribution |
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