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7
2017 - 03 - 22
Hollow shaft is more and more people to use, then let's talk about what the advantages of what you loved by everyoneHollow shaft occupies a relatively large volume of space, but can reduce the weight. According to the mechanical analysis of materials, in the shaft transmission torque, from the radial section to see, the more the place outside the effective torque transmission effect. In the shaft need to pass a larger torque, you need a thick shaft diameter. And because the role of the torque in the axial parts of the smaller, so the general use of hollow to reduce the weight of the shaft.
8
2017 - 03 - 22
The wire must be considered for oxidation, in order to prevent the formation of plastic deformation is not uniform to avoid failure in the course of the operationAs the protective gas oxidation increases, the amount of deoxidized elements (such as silicon, manganese, titanium, etc.) in the wire increases correspondingly, and the strength of the weld metal is reduced. When the deoxidation element in the wire contains the most insufficient, causing the weld toughness to decline, but also may lead to welding defects (such as pores, etc.) generation.Welding hot-rolled steel, normalizing steel and ...

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