How you can Detect And Repair Ball Screw?

A ball screw is considered the most superior ball screw repair generally employed software of mechanical transmission parts and precision machining, its most important functionality is always to transform rotary movement into linear movement or force-torque to axial frequently, equally features of high precision, significant effectiveness and reversibility. Thanks to its smaller friction resistance, the ball screw is broadly utilized in several precision machines and instrument industries!



You can find lots of types of glitches within the ball screw, and there is no mounted product. Some mistakes are gradual failures, there must be described as a progress procedure, along with the increasing usage of more and even more significant time; sometimes a unexpected failure, generally does not have crystal clear signs of sudden, this failure is actually a wide range of unfavourable factors and the ensuing exterior interactions. For that reason, the proper check to determine the reason for actual glitches will be the premise of quickly and precise servicing. For ball screw fix also ought to be viewed as.

one Ball screw, nut and support clearing process Detection and mend

When the CNC machine software reverses mistake and high positioning precision, quadrant mark is unstable, the main factor to detect the program screw there exists a difference. Detection strategy: indicator using a ball for the centre conclusion on the hole of the screw, axial measurement screw, a dial gauge piece measuring the perform table. Screw rotation, observing the 2 blocks within the indicator dial reveals, in keeping with adjustments in numerous values affirm the situation from the mistake.

2 FAG Detection and fix of clearing screw bearings

In case the indicator dial actions the screw in the ball screw ahead and reverses rotation the pointer swing won't, that there is no screw movement. In the event the swing cursor indicator indicates the channelling screw phenomenon. The indicator dial actions the difference among the maximum and minimum amount values which are the axial length on the screw. At this stage, we will test whether the bearing back again bearing aid is locked, if the bearing is worn out or not, whether the preload washer bearing is appropriate or not. In case the bearing is Ok, just re-load the pre-loaded gasket. In case the bearing is broken, the bearing must be replaced, re-loaded along with the pre-load washer, after which supported all over again. The axial movement in the lead screw depends largely on the precision with the bearing preload. Essentially the most excellent condition from the accuracy of your set up of screw rods is usually that there is no positive and unfavorable clearance, as well as the guidance bearings need to be about 0.02mm interference.

three FAG Detection and routine maintenance of gaps involving pairs of two ball screw nuts

By inspection, if an error is confirmed, it really is not because of the motion on the direct screw. Really need to take into consideration whether or not the screw nut, the gap among the two, Detection of this condition generally along with the detection from the lead screw moving exactly the same. Worktable related with dial and nut indicator, forward and reverse screw rotation, detect highest clearance in between screw and nut after which be modified.

four FAG inspection and upkeep of solitary pair nuts

For a person ball screw nut, the hole in between the screw pair as well as nut can't be altered. In case the direct screw nut is detected, there exists a spot. Very first, test the lead screw and thread bow nut Are worn, like serious use, really need to swap the whole set of guide screw nuts.

If little wear is detected, a larger diameter ball is often changed to fix it. 1st, the maximum clearance on the detected pair nut screws is converted to a rise in ball diameter and after that equipped while using the ideal ball to regroup. This type of maintenance is sophisticated and involves a long time and calls for a higher degree of technological innovation.

5 The beam flanges and tables are linked, you'll find gaps continue to there

This issue can be simply ignored for a long time, reciprocating the motor, unfastened screw Fala disc hole, test the hole inside the failure aspect with the screw to exclude, to prevent repairs.

six Ball screw nut movement will not be excessive noise, easy upkeep together with other failures

Ball screw nut movements are usually not sleek as well as noise is just too large, typically because of lousy lubrication, but at times it could be due to the fact the servo motor push parameters are not altered thoroughly prompted.

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