Four-point description of high-speed presses outstanding thermal design

A reasonable structure optimization and design punch
 
    Hot outstanding design characteristic is in the presence of heat source, from the physical structure and shape as well as the parameters of high-speed presses starting to find the best possible overall stiffness of the temperature distribution and the structure of the distribution, so as to control the thermal distortion of high-speed presses, ensure the accuracy of high-speed presses. The use of the famous "hot symmetry plane" concept, design symmetrical structure or heat source heat distribution, utilization characteristics symmetrical structure to counteract stress and strain due to the thermal deformation caused by high-speed presses are designed as symmetrical structure. Such as precision punching base and beams with four tensioning screw tightening, body rigidity, small deformation. A support structure for the four-point formula crankshaft support structure, increase the intensity of the crankshaft, reducing distortion.
 
Second, the effective separation of source
 
    The main idea is to source separate from the high-speed punch body out less heat, design precision punching structure from thermal rigidity angle high-speed presses, taking precision punch from the whole static rigidity, dynamic stiffness, heat stiffness design, wherein the heat capacity of the balance design also an effective way to reduce the thermal deformation, due to the different parts of the machine materials, heat capacity will be different, and therefore, the heat capacity is relatively large for the site to take a method of controlling the temperature rise or the transfer of heat to reduce the heat capacity and other small zero system temperature difference, to achieve a relatively balanced temperature throughout the high-speed presses.
 
Third, reduce the heat heat source
 
    For high-speed presses in terms of the relative motion of the friction surface there is a greater relative speed, causing serious friction heat, not only to accelerate the wear and tear of parts, deterioration of precision high-speed presses, and reduce its service life, to reduce the generation of heat can its characteristic point of view, high-speed presses various sports surface friction coefficient should be as small as possible, especially crankshaft and connecting rod, crankshaft and bed, drive shaft and other moving parts of the bed should be considered in the design is to reduce friction hair heat to reduce heat generation, and therefore seek higher cost of the new material is one of a good solution.
 
Fourth, to enhance heat dissipation of high-speed presses
 
    Improvement of all heat sources radiating high-speed presses, and enhance the heat transfer coefficient, enhance heat dissipation area.