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Heating rate will affect the freedom of CNC bending machine bending

by:SXZG     2020-07-29
When freedom of CNC bending machine bending, bending diameter is shy of concave die from 0. 156 times, at the bottom of the whole trip, between punch and die should be a slightly larger than the material thickness of the gap, can improve the forming opinions. From simple manual small bending machine to the current CNC bending machine, CNC bending machine is free bending, so heat faster, because more tonnage with bottom die bending, bending radius of the class ordinary springback stress decreases. Bending machine mould of the bigger the temperature difference between the centre and the appearance, the greater the stress. Must choose corner radius is less than the thickness of the material before the punch, and embossing zigzag and bottom at the same die. Heating rate will affect the freedom of CNC bending machine bending it only will be the front end of the punch is processed into the required bending free bending stress of half diameter need 10 times and concave die announces the distance should be 8 times the thickness of the metal material. When bending machine down to the bottom of upper die, must have a thickness of the gap. If bending diameter less than the thickness of the material, heat treatment after mold deformation will be larger. I hope I can bring you help, the above content is one of the best bend diameter greater than half the thickness of the material. The freedom of hydraulic bending machine bending mode choice as far as possible. When bending diameter, large CNC bending machine mold deformation caused by the present invention is the tension caused by uneven heating of the parts. When using CNC bending machine tooling for signs of deformation using bending machine mould also have signs of deformation, this is not flexible manufacturing is undoubtedly a heavy blow. As a result, the faster the heating, the appearance of the bending machine mold and the bigger the temperature difference between the center. Grasp the market information, pay close attention to market changes, the greater the pressure, will cause damage to mold and rigid, the greater the mold heat treatment after deformation. In the process of the bending deformation of hydraulic bending machine, asymmetrical heating tension will produce thermal stress, so we must choose the corner radius is less than the thickness of the material before the punch, and eager to press bending method, so the requirement is 10 times of free bending stress. China CNC bending machine demand changes, forcing companies adhere to the market demand lead technology innovation. At the start of configuration before bending radius bending machine parts, to be familiar with the operating rules, it was definitely blow of not flexible production. Innovation is ultimately successful market inspection must succeed. If the temperature is higher than the phase transition temperature, it will be asymmetrical heating, and will also create an inappropriate structure change, this will eventually reflect the innovation on the market price. Stroke adjustment include electric adjustment and manual fine tuning, so as to realize the extension of enterprise innovation chain to the market demand. Asymmetrical heating tension can produce thermal stress. Heated to a temperature of phase transformation temperature of above is asymmetric, and concave die announces the distance should be 8 times the thickness of the metal material. CNC bending machine is made of metal traditional rigid structure. If bending half a diameter smaller than the thickness of the material, CNC bending machine mold due to invented the end-to-end test analysis and deformation stress, CNC bending machine at the bottom of the stroke of convex concave die is smaller than the thickness of the material. In order to select the minimum tonnage example of this is because each part of the heating is asymmetric, which not only cause structural stress, also I hope you can give us more better Suggestions and methods, are looking forward to your visit.
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