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The basic components of the machine
Jan 31, 2018

The basic components of the machine

The basis of the press should be divided into two or more parts to facilitate the processing, handling (lifting), transportation, if you want to expand, or later to fix other components, it is necessary to subdivide the basic, the basic connection to be installed Additional boards and connectors, the basis of the longer press machine of the machine is divided into two or more parts, in order to facilitate the processing, handling (lifting), transportation. If you plan to expand, or later to fix other components, it is necessary to subdivide the basis of the connection to be installed on the additional board and connectors, rolling machine foundation must be able to achieve the use of cold forming fluid recycling, Basis of separation, pay attention to each foundation should be recycled lubrication, or basic watertight connection.

Under the effect of welding stress, the pressure-welded machine assembly will have the corresponding dimensional change, shortening or bending or warping if there is less restraint of the weldment, such as the thinner plate thickness or the freedom and freedom. If the weldment of a large degree of restraint, such as the larger plate thickness, the shape of the complex or due to man-made jig in a strong restraint, then the weld can not be deformed freely, but under the effect of welding stress will produce a local Strain and large residual stress at the same time. The peak value of the residual stress in the weld zone can reach the yield strength of the material. Therefore, the internal stress of welding is related to the thermal expansion coefficient of the steel and the restraint of the joint. Structural steel expansion coefficient changes little, while the restraint and the structure of the node form, the order of welding, thickness, plus the fastening of the fixture and other factors.


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