Machine tool

THERMAL MECHANICS

Bending errors such as crooked angles or twisted sheets can increase production costs and delay delivery. This article highlights the common causes, prevention methods, and guidance on selecting the right bending machine for factories in Thailand.

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1. Common Bending Problems in Sheet Metal Fabrication
- Bends not at 90° (off-angle problems)
- Warped or twisted sheets
- Inconsistent bend lines
- Extra rework or hammering required after bending

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2. Causes of Bending Inaccuracy
- Incorrect die setup or worn tooling
- Manual machines with unstable hydraulic force
- No NC/CNC control for angle accuracy
- Heat or springback not considered during bending

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3. How to Prevent Bending Errors
- Regular die inspection and maintenance
- Select proper tonnage for sheet thickness
- Pre-calculate springback for accurate angles
- Use NC/CNC-controlled machines for consistent results

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4. Choosing the Right Press Brake in Thailand
Factories looking to reduce scrap and rework should consider machines with:
- NC/CNC Control for programmable accuracy
- Sufficient Tonnage for long or thick sheets
- High precision (±0.1mm) to meet quality standards
- Ease of use for operators with limited programming skills

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5. Practical Example – Thermatech NC Hydraulic Press Brake
For manufacturers in Thailand, Thermatech NC Hydraulic Press Brake is widely chosen for its balance of cost, precision, and ease of operation.

- 2-axis NC control (X, Y) for accuracy
- Bending capacity up to 6mm thick × 3100mm long
- Accuracy ±0.1mm to reduce scrap
- User-friendly interface compared to CNC models

👉 Learn more about Thermatech’s press brake solutions in Thailand

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