Defects In Sheet Metal Stamping Process

Metals during fabrication and service.

Defects in sheet metal stamping process. Identifying and resolving the most common defects in sheet metal forming solving common defects in sheet metal forming. Digital products metal stamping parts defects in forming. High surface finish defects at an automotive stamping plant. Sheet metal forming simulation is a technology that calculates the process of sheet metal stamping predicting common defects such as splits wrinkles springback and material thinning.

This can cause an uneven roll with various amounts of pressure throughout the piece. These quality defects can be classified further as static or dynamic. Two main types of defects typically occur in stamped automotive body components. Surface defects is an important issue in sheet metal stamping as the stamping process affects surface appearance and thus influences surface quality.

Also known as forming simulation the technology is a specific application of non linear finite element analysis. The surface unevenness is mainly caused by the unqualified stamping die. During the rolling process a piece of metal will experience a different amount of reduction in certain areas of the piece. Generally if experiencing wrinkles during production this could mean the wrong process was chosen.

Form defects such as fall in wrinkling and marking lines. Wrinkles splits and springback are the three most common defects. The sheet metal forming parts will collide with the surrounding objects in the process of raw material inventory manufacturing. Sheet metal stamping process.

Quality custom metal stampings ranging from 003 to 12. Defects introduced into 3 52. Surface defects such as cracks and necking. A great amount of time is therefore spent during the product development process on the optimization of surface defects particularly surface lows during tryout.

See figure 1. How to prevent them.