Improving Existing Jigs: When Should You Repair Them and When Should You Design a New One?

During production, a JIG may become worn, lose accuracy, or no longer be suitable for a new product. In such cases, companies often need to choose between improving the existing JIG and designing a new one.

When Should You Improve an Existing JIG?

Improvement is a suitable option when:

• The overall JIG structure is still in good condition.
• Only some components are worn or damaged.
• The product has only minor changes in dimensions or positions.
• You want to reduce setup time and operator workload.
• The existing frame and components can be reused.

Common improvement items include positioning pins, stoppers, clamping mechanisms, cylinders, mounting plates, and guide bushings.

When Should You Design a New JIG?

A new JIG should be considered when:

• The JIG frame is deformed or seriously deteriorated.
• The product has undergone major changes in dimensions or structure.
• Almost the entire positioning and clamping system needs to be changed.
• The improvement cost is close to the cost of manufacturing a new JIG.
• The existing JIG can no longer meet the required accuracy or productivity.

Repair or Replace?

There is no single solution that is suitable for every case. Before making a decision, companies should evaluate the condition of the JIG, the extent of product changes, improvement costs, and production requirements.

At CDS Vietnam, we provide JIG design, machining, and improvement services according to customer requirements—from component replacement and mechanism modification to complete new JIG design.

👉 If you are experiencing problems with your current JIG, please send us the drawing or photos of the JIG. CDS will advise you on a suitable and cost-effective solution.