Digital linear servo pump
A servo pump, digital technology, applied in the field of digital linear servo pumps, can solve the problems of high cost, low drive efficiency, heat generation, etc., achieve high drive stiffness and precision, overcome heat generation problems, and improve the effect of smoothness
Inactive Publication Date: 2012-11-28
路文忠
7 Cites 2 Cited by
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Abstract
The invention relates to a digital linear servo pump comprising a numerical control system, a comparator and a servo amplifier which are connected in sequence, wherein the output of the servo amplifier is connected with a linear oil pump; the linear oil pump is connected with a first oil cylinder group through a pipeline; a piston of the first oil cylinder group is connected with a machine table and used for driving the same; and the machine table is connected with the comparator through an optical grating. The linear oil pump is sequentially connected with a servo motor, a ball screw and a second oil cylinder group, wherein the input end of the servo motor is connected with the output end of the servo amplifier, and the second oil cylinder group is connected with the first oil cylinder group through a pipeline. The second oil cylinder group is also connected with an energy accumulator respectively through a first one-way valve and a second one-way valve. By using the digital linear servo pump, higher driving rigidity and precision can be obtained, and the locating precision can be up to at most 0.001mm. The machine machining smoothness can be improved, the work reliability can be greatly improved, but the cost is greatly reduced.
Application Domain
Feeding apparatusPump installations +1
Technology Topic
PistonNumerical control system +4
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