Quality Control of Auto Stamping Panel

The quality control of automobile covering parts is a process of measuring different covering parts by different measurement methods according to the quality characteristics of different covering parts. The quality control methods are as follows: (1) The quality characteristics of the raw materials of automobile panels are verified. In the forming process of automobile covering parts, multiple deep drawing is required, so it is necessary to verify the special parts that affect the forming and deep drawing of stamping parts. The quality inspection of raw materials is to inspect the shape, size, mechanical properties and chemical composition of the raw materials according to the items and methods specified in the inspection manual. Need frequency and material standards. (2) Car panel size verification. The stamping dimensions of the four doors and two covers of the car are usually sampled and inspected with a standard sample frame to determine whether the size of the panel meets the requirements. The standard frame is designed and manufactured according to the shape, size and assembly requirements of the four door panels and the two cover panels. In order to ensure the stamping size of the four-door two-cover car cover, the measuring points of these standard frames should be checked regularly. The standard sample should be used to calibrate the measuring point daily. The size test results of the standard frame, the test results of the measurement points of the standard frame, and the calibration results of the measurement points of the standard frame are determined by relevant personnel. Recording and analysis of dimensional stability. (3) Dimension verification of the assembly position of the automobile panel product. The size check of the four doors and two covers, the left and right sides and the assembly position of the body stamping parts is usually detected by a flexible detector and a cantilever coordinate measuring instrument. The stability and data analysis of these instruments are regularly controlled by the three-coordinate laboratory. These panels are complex in shape and difficult to manufacture and use standard frames, so automotive companies often use flexible test tools to measure the size of these components. At present, foreign auto companies have widely used laser measuring instruments to measure 100% of car bodies. The online measurement system is a measurement system widely used internationally. A measurement system widely used by mainstream automakers. It uses laser probes and cameras mounted on robots to sample and measure the surfaces, holes, and grooves of the vehicle body. Compared with three-coordinate measurement, the level of human body quality has been greatly improved. The online measurement system has the advantages of short measurement time, 100% measurement, real-time deviation detection, and real-time alarm. Through the complementary advantages of the online measurement system and the three-coordinate measurement, the size status of the human body can be better grasped, and it can provide help to improve the size quality of the human body. It is worth noting that the various assembly test data of each batch of automobile covering parts should be carried out under the same production conditions, and the production batch number of each batch of automobile covering parts should be maintained. Qualified panels should be issued according to the batch number for traceability inspection. All defective products found in the inspection must be recorded and analyzed according to the production batch number, and the relevant departments shall take corrective measures and quality improvements at the same time. Related news: The characteristics of the main materials of stamping parts, the treatment of common problems of stamping parts, the characteristics of scaffolding stamping parts and the importance of inspections