How does Manhart (Guangdong) CNC Machine Tool Co., Ltd. evaluate the accuracy of bent workpieces?

**How to evaluate the accuracy of bent workpieces**
In the metal processing industry, the accuracy evaluation of bent workpieces is crucial. Accurate evaluation not only ensures product quality, but also provides data support for subsequent process adjustments and optimizations. The following are the key steps and methods for evaluating the accuracy of bent workpieces:
1. * * Dimensional accuracy measurement**
-Use high-precision measuring tools such as calipers, micrometers, or coordinate measuring machines to measure the dimensions of bent workpieces.
-Compare with the original design dimensions and analyze the size and distribution of size errors.
2. * * Angle accuracy detection**
-Use an angle measuring device or protractor to detect the bending angle.
-Compare the actual angle with the design angle, evaluate the angle error, and analyze its impact.
3. * * Surface quality inspection**
-Observe the surface of the bent workpiece and check for cracks, indentations, or other defects.
-If necessary, use a magnifying glass or microscope for more detailed observation.
4. * * Flatness evaluation**
-Use a ruler or an induction straightness measuring instrument along the bending edge to check and evaluate the flatness of the workpiece.
-Pay attention to checking whether the transition between the bent and un bent parts is smooth.
5. * * Analysis of deformation situation**
-Observe whether there is any distortion, warping, or other abnormal deformation of the workpiece during the bending process.
-Analyze the causes of deformation, such as material properties, tool selection, pressure distribution, etc.
6. * * Material performance impact**
-Consider the impact of material properties such as elasticity, plasticity, and hardness on bending accuracy.
-If necessary, conduct material performance tests to optimize bending process parameters.
7. * * Process parameter review**
-Review all parameters during the bending process, such as pressure, speed, mold selection, etc.
-Analyze whether the parameter settings are reasonable and whether they may affect the accuracy of the workpiece.
8. * * Accuracy and stability testing**
-Perform multiple bends on the same batch of workpieces and evaluate their accuracy separately.
-Analyze the consistency and stability of accuracy to evaluate the reliability of the bending process.
Through the above steps and methods, a comprehensive and accurate evaluation of the accuracy of the bent workpiece can be carried out. Meanwhile, these evaluation results also provide important reference basis for subsequent process improvement and optimization. In actual production, appropriate evaluation methods should be selected based on specific situations, and the bending process should be continuously optimized and improved to improve workpiece accuracy and product quality.