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01%, its code is Mechanical Bearing 6901 as σp0. Strength is divided into different forms of external force: Compressive strength: code σbc, which refers to the strength when the external force is under pressure. There are also multiple scales for this kind of hardness: a. Scale 15T: code HR15T, using 147. It is suitable for the […]

Even if there is no medium pressure or the pressure is very small, the O-ring seal can be sealed by its own elastic force; when the cavity is filled with a pressurized medium, the O-ring seal will be displaced under the action of the medium pressure , Move to the low pressure side, while its […]

K—torque coefficient, which can be 0. 5. For pins and pin holes that require high positioning accuracy, check their contact area before assembling, and they should meet the requirements of the equipment technical documents; if there are no regulations, 50%-75% of their total contact area should be used. 4. High-strength bolts and their fasteners should […]

The surface damage formed by rough polishing is a secondary consideration, but it should be as small as possible; the second is fine polishing (or final polishing). The polishing cover and cover can prevent dirt and other debris from falling on the polishing fabric when the machine is not in use and affect the use […]

The fastening parts are loosened and the installation positions of the die are relatively changed. Remedy: If the hole still deflects after the workpiece is aligned, report to the squad leader and notify the mold repair. E adhere to a civilized production system, such as the transfer of workpieces and blanks must use appropriate station […]

2Z——Bearings with dust cover are used for bearing configuration where pollution is not serious and there is no danger of moisture or steam contacting the bearing. Dust caps are also used in applications where friction reduction is important due to speed or operating temperature considerations. 2RZ——The bearings of non-contact seals are often used for pollution […]