The poor plane clearance of 6061 aluminum sheet is mainly related to the uneven flow velocity of the mold. By changing the size or angle of the guide groove, or changing the length of the working belt, the metal flow rate can be effectively adjusted so that the flow rate is uniform and the plane gap is eliminated. Bad defects. Aluminum sheet is generally used in the initial stage of production. Some molds can solve the flatness problem once, and some molds need three or more times to completely solve the flatness problem. This is not only related to the mold itself, but also repairing. The technical level of the mold workers also has a greater relationship.
1. Use off-line finishing to correct the flatness of the aluminum plate
Firstly, according to the characteristics of the specific flatness of the aluminum plate, the roller of the off-line finishing machine is reasonably arranged, and then a fixed flat roll is used to carry out the fixed roll, and the height and position of the roll are continuously adjusted to wait for the product. After the flatness is passed, the height and position of the rolls are fixed, and then the batch of articles is subjected to off-line finishing. Off-line finishing is generally time consuming and laborious, and it is also easy to have a certain impact on the appearance of the product.
2, using online finishing to correct product flatness
Tradematt-Aluminum considers that the order quantity of aluminum sheet is relatively large. If offline finishing is adopted, it will greatly reduce the production efficiency and waste a lot of manpower. Through a certain time of exploration and combined with the principle of offline finishing, it can be designed for aluminum sheet. On-line finishing equipment, which is based on the principle of off-line finishing, is equipped with a bearing seat and a roller on the basis of the original extruder outlet guiding device, and changes the pressure of the product by adjusting the height and position of the roller to make the product A certain amount of deformation occurs, so that the flatness of the product is controlled within a reasonable range, thereby achieving the purpose of online finishing.
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