TPS Blog 7/12 : Kaizen – Why Great Factories Improve 1% Every Day

By thesupplier • August 2, 2025 • 3 min read

Do you often fix the same issue again and again — but never solve it forever?
That’s a sign your supplier isn’t doing Kaizen.

Toyota calls it:

“Change for the better, by everyone, every day.”
We call it:
Fix the drip before it becomes a flood.


What Is Kaizen?

Kaizen isn’t a training. It’s not a motivational poster.
It’s a mindset — where every team member is encouraged to make things better.
No consultants. No big money. Just daily common sense — shared and acted on.


Real Kaizen Looks Like This:

  • Shifting the fixture 3 inches closer so the operator doesn’t stretch every time

  • Writing a quick 3-step reminder on the machine with a whiteboard marker

  • Placing coolant drums on a trolley so one person can move it instead of waiting for two

  • Tying color-coded tape on sockets to avoid picking the wrong tool in a hurry

  • Drawing a bold “✖” mark on surfaces not to be touched during packing

No automation. No budget. Just smart thinking by the people who do the work.


🏭 Real Example #1 – CNC Operator’s $0.20 Fix Saved Over $100/month

A VMC shop in Rajkot had coolant dripping from a flex hose — nothing big, but the floor was always wet.

One operator:

  • Cut a plastic sleeve from packaging waste

  • Zip-tied it to control the bend radius

  • Aligned the nozzle back to tool centerline

Result:

  • Coolant stopped splashing on side walls

  • Rust stopped forming under collet

  • Part rejections reduced from 3 to 0 per week

Toyota calls it:

“Improving the machine without changing the machine.”
We call it:
Small fix, big win.


🏭 Real Example #2 – VMC Shop Reduces Setup Time Without Buying Anything

In a 3-machine VMC shop in Ahmedabad, one issue kept recurring:
Tool changeover for repeat parts was taking too long.

Why?
Tool holder IDs were marked with marker pens that faded in 2 weeks.

Kaizen steps:

  • Replaced marker with engraved tags

  • Color-coded tags by tool type

  • Created a shadow board to park tools in sequence

Before:
Setup time = 43 minutes
After:
Setup time = 18 minutes
Saved nearly 4 hours per week per machine

No automation. No cost. Just awareness.


Why Buyers Should Care

If your supplier isn’t doing Kaizen:

  • Quality never improves — same problems, repeated

  • Lead times stay unpredictable — nothing gets faster

  • Hidden costs rise — and you end up paying for them

But when Kaizen is active:

  • Parts get better every batch

  • Small problems disappear before they grow

  • You get more output without asking for it


What TheSupplier Checks

When we onboard factories, we ask:

  • What’s the last improvement you made in your layout or process?

  • Do your operators have space to suggest fixes?

  • Do you record recurring issues and eliminate root causes?

If the answer is “we’ve been doing the same way for years” — we don’t proceed.
Because Kaizen is how good suppliers stay great.


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💬 Question for You

What’s one small process change your factory (or supplier) made that created a big impact?
👇 Share your Kaizen moment below — we’d love to feature the best one next month.


📚 References