Fiber laser marking machine with auto feeding materials function
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Three-dimensional numerical control carving and milling machine tool bearing structure of the ball screw
by：Transon
2020-04-30
General CNC carving and milling machine screw at one end hinged with one end fixed and the way of bearing.
At this point, the ball screw axial tension and compression stiffness increases with the distance of the nut from one end fixed bearing.
Due to both ends fixed bearing the axial tension and compression stiffness for the end of the screw fixed bearing the axial stiffness of screw 4 times, so the CNC engraving and milling machine> bed of feed screw with both ends fixed bearing.
CNC carving and milling machine tool the X, Y, Z three screw adopt fixed supported on both ends.
But both ends fixed bearing leadscrew should undertake the pre-tension installation, its preliminary draft amount should be calculated, and the screw order indicated in figure.
CNC carving and milling machine tool supporting structure of ball screw pair is shown in figure 1.
Figure 1 ball screw the supporting structure of engraving machine price information in yifan numerical control net.
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