Generally, 90 ° bending of sheet metal processing is achieved through pressure in the V-shaped groove, so they are related to tooling tools. V-shaped groove processing can also be said to be a process of sheet metal processing. Some sheet metal products (with thick material) have too large and ugly external R angle after bending. Changzhou sheet metal processing plans V-shaped groove at the bending point (that is, the plate is thick and thin). V-shaped groove has two functions: one is to reduce the bending circular angle, Generally, the bending inner circle angle of sheet metal is equal to the plate thickness. If the required bending inner circle angle of the workpiece is less than the plate thickness, it is necessary to plane a V-shaped groove; The second is to reduce the bending force. When the bending force of the workpiece is greater than the tonnage of the bending machine and cannot be bent, the bending force can be reduced by planing a V-shaped groove.
Blanking: There are various blanking methods, mainly including the following
1、 Punch press: It is used to form various shapes of materials by punching the flat parts after the parts are unfolded on the sheet in one or more steps with a punch press. Its advantages are short working hours, high efficiency, high precision, low cost, and it is suitable for mass production, but the mold must be designed.
2、 Shearing machine: It is used to cut simple pieces of strip material. It is mainly used to prepare for die blanking and forming. It has low cost and accuracy lower than 0.2, but it can only process strips or blocks without holes or corners.
3、 Laser blanking is to use the laser cutting method to cut out the structural shape of its flat plate on a large flat plate. Like NC blanking, it needs to write a laser program. It can cut flat pieces of various complex shapes, with high cost and accuracy of 0.1.
4、 NC NC blanking: NC machining program shall be prepared first when NC blanking. With programming software, the drawn expansion diagram shall be compiled into the recognizable program of NC digital pull machining machine tool, so that it can cut flat pieces of various shapes on the flat plate step by step according to these programs. However, its structure is affected by the tool structure, with low cost and accuracy of 0.15.
5、 Sawing machine: mainly uses aluminum profiles, square tubes, drawing tubes, round bars, etc., with low cost and precision.
After the installation of hardware stamping parts, regular maintenance shall be done to prevent rust and erosion. The sliding hinge shall be made of stainless steel
Door and window lock handles shall be assembled after the window and door leaves are framed. The position shall be accurate, the switch shall be flexible, and it shall be carefully closed and opened during use.
1) The workpieces in the traditional process of sheet metal processing are composed of several parts, but now the new process is realized by cutting and bending at one time, which reduces many unnecessary processes, shortens the cycle and reduces the cost.
2) The traditional NC sheet metal process needs to use special fixtures for welding configuration. For the current new process, it uses a process similar to the woodworking tenon, which is not only more accurate in terms of positioning, but also saves time. The product will not have serious deformation, which can also reduce the cycle, reduce the cost, and increase the quality.
3) The new NC sheet metal process and multiple bending process make the design and process have a unique process, so the product quality will be improved and the cost will be reduced, but the real process still needs to be matched with spot welding.
4) At the same time, with the advantage of laser, sheet metal processing has high precision and fine cutting seam. Four workpieces can be completed with one cutting and four bending.
5) Because of the perfect fit of the whole process (tenon structure+workpiece bending+spot welding process), the deformation of the workpiece is very small, and there is no need to reshape and polish before spraying.
We have strict quality control processes, testing equipment and means, and full-time quality control departments and posts.
