Method for evaluating pretightening force of spindle
An evaluation method and pre-tightening force technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as low efficiency, only applicable, and reduced processing accuracy, and achieve accurate measurement results
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[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0027] Such as figure 1 As shown, the establishment of the main shaft mechanical model in the embodiment of the present invention can be divided into two bearing support-rotor systems and three bearing support-rotor systems according to the actual structure of the main shaft. figure 2 As shown, according to the force and moment balance equation, the force of each bearing is calculated by using the evaluation method of numerical calculation square spindle preload. for figure 2 For the two bearing support-rotor system shown in ...
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