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The optical forming analysis has become a proven tool for evaluating forming processes and verifying simulations. In particular, the precise, accurate and user-independent measuring procedure as well as the surface representation of deformation distributions strengthened the acceptance of this measuring technology. This unique possibility to measure complex sheet metal parts with a high scanning density opens up new aspects for the verification of forming simulations.

Fields of Application

1)The study of anisotropic materials, plastic limit, the mechanical properties of the sheet at a high temperature, etc.

2)The real-time visual monitoring on the forming process of the sheet metals and sheet materials.

3)The real-time measurement of the FLC of sheet materials forming.

4)Selection of the components and parts of sheet materials.

5)Stamping process optimization.

6)Verification of Finite Element Analysis (FEA);

7)The theory research and verification of sheet material forming.

System Features

1)Deformation inspection of the overall dynamic strain in the process of material forming, suitable for any material.

2)Support thermoforming up to 900℃. Research on the mechanical performance of high strength steel plates or materials under high temperature.

3)Fast, simple, high-precision calibration.

4)Range of strain measurement: from a minimum of 0.01% to a maximum of greater than 1000%.

5)The largest experimental force: 600KN. The maximum punch diameter:105mm (customizable).

6)A specified stamping depth,  a constant power load , limiting position protection and overload protection.

7)Real-time monitoring on the forming process, three-dimensional display of the measurement results.

8)32-bit or 64-bit operating system.

9)Multithreaded computing, high speed computing.

Practical Value

Based on many years research in materials plastic forming and springback simulation, MHFLC system can track the status of each successive forming process to precisely acquire FLD (forming limit diagram) by means of real-time online measurement, according to GB4156-2007, GB / T24171.1, 24171.2 standards. With highly integrated system, real-time communication control, force acquisition and feedback control for the forming equipment are best achieved by using a key to complete the entire measuring process. According to heavy plate, high-strength sheet requirements, different stamping parts and high temperatures forming unit are developed to solve problems of the rebound of sheet forming off-line measurement, the abrasion wear of grid points, the calculation of simulation errors and other industry problems.

Experimental Verification