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Promised the customer but can't deliver in time? 3 ways to fix the 'bottleneck' in your production line before customers walk away!

business

Ever faced this awkward situation? Sales takes the customer’s order with confidence, saying “you’ll definitely have it in 7 days!” — but when the work order reaches the factory, the chief technician shakes his head and says “we can’t make it in time, the machine’s not free, the material isn’t all here!”

In the end… you’re the one who has to call and apologise to the customer, postpone delivery, eat a penalty, and worst of all, “lose the credit” you built up over so long.

If this recurs, don’t rush to blame lazy staff or insufficient machines. The real enemy that stalls the work usually hides quietly in your production line. It’s called the “bottleneck.”

Today we’ll dig into what a “bottleneck” is, how to find it, and how to fix it for good, so your factory delivers on time 100%.

What is a bottleneck? The silent killer in the factory

Picture a “4-lane road” with cars racing along, but suddenly the road is squeezed to just “1 lane” to cross a bridge… what happens? Right! Cars pile up in a long jam at the edge of the bridge, while the road after the bridge is wide open with no cars at all.

It’s the same in a factory. If your production process has 5 steps:

  1. Cut (fast)
  2. Turn/machine (fast)
  3. Paint (slow) ← this is the bottleneck
  4. Assemble (fast)
  5. Pack (fast)

No matter how fast steps 1, 2, 4, and 5 work, the factory’s total output is determined only by the speed of “step 3.” The more you speed up the other steps, the more goods “pile up” (WIP pile-up) waiting in the queue at the paint room — money tied up, space full, but goods not coming out!

3 warning signs your factory has a “bottleneck”

Before fixing it, you have to know where it hides. Watch for these 3 symptoms:

  1. An abnormally large pile of goods waiting in front of one particular machine, while other machines have almost nothing waiting.
  2. Staff in some departments sitting idle because work from the previous department doesn’t arrive in time (starvation).
  3. The same department has to do OT repeatedly while other departments go home on time.

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