Analysis and optimization method of static pressure guide rail to suppress inertia force impact
A static pressure guide rail and optimization method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems that affect machining accuracy, damage tools or workpieces, etc., and achieve the effect of improving resistance and reliability
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[0033] Take the guide rail slider offset δ=2×10 -5 m, Q e =3.3×10 -6 m 3 / s, as an example when the single-row sliding seat is equipped with 5 oil pads. Such as figure 2 As shown, the length of the oil pad is L, the width is B; the length of the oil pocket is l and the width is b; the thickness of the designed oil film is H 0 .
[0034] When solving the pressure, the Reynolds equation boundary condition is introduced:
[0035]
[0036] according to figure 1 As shown in the flow chart, the pressure distribution in each oil pad and the deformation distribution of the guide rail surface are calculated, and the bearing capacity and resistance moment of the guide rail are calculated based on the results. Among them, the bearing capacity of the static pressure guide rail is used to support the weight of the gantry frame, and the self-weight of the gantry frame hardly changes during the working process, so the actual bearing capacity of the static pressure guide rail is co...
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