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Why Ball Screw Needs Proper Installation And Maintenance

Why Ball Screw Needs Proper Installation And Maintenance

Ball screws are easier to be broken than typical lead screws. But to prevent it, guarantee the accuracy, and longer life then a proper and careful installation is needed. Ball screws have high precision, preloaded ball bearings running on a spiraling raceway. To create a replacement unit, or condition a unit to the new top-quality condition, in-depth ball screw engineering analysis may be a basic demand. Ball screw life may be calculated. Parameters used in calculations with contact angle, ball conformity to the thread radius, range of balls connected with the raceway, preload, materials, heat treatment case depth and raceway hardness. Manufacturing management of squareness, parallelism, lead, and concentricity are necessary to attain ball screw accuracy and long wear life. Lubrication is important maintenance to avoid ball screw failure that could damage the screw. But you should not worry because you could use related site service when you need it

A roller bearing lead screw is almost frictionless operationally. The load between the screw and nut is carried by ball bearings give the sole contact between the nut and screw. The ball screw assembly can operate with either the nut rotating around the screw or the screw rotating through the nut. A straightforward check for running could also be created in your plant. You need to be sure that the screw is clean and oiled. Rotate the nut around mounted screw by hand. The nut ought to rotate swimmingly with no hang-up or sticking or droop up. Sticking shouldn’t be confused with the balls being squeezed as they enter the raceway sinking load between the nut and screw from the comeback system. Hang up or sticking causes the balls to skid, carrying flat spots on the balls, and also the nut can ultimately lock up. In severe cases, skidding balls can harm screw raceways on the far side repair.

The force to drive the load is as vital as all different factors associated with the look of a ball screw. These factors are inter-related at the initial style layout. High preload provides higher positioning accuracy and high system stiffness, however, it will increase drag torque.