Double freedom degree high-frequency ultra precision cutting tool servo device based on changed magnetic flux
A technology of servo device and variable magnetic flux, applied in the direction of driving device, feeding device, manufacturing tools, etc., to achieve the effect of reducing complexity and size, quick effect, and large stroke
Inactive Publication Date: 2009-03-18
JILIN UNIV
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[0005] In order to solve the existing problems and deficiencies of the existing FTS device, the object of the present invention is to provide a two-degree-of-freedom ultra-high-frequency response ultra-precision tool servo device based on variable magnetic flux, which is mainly used for diamond turning to create optical free-form surfaces
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[0016] The specific content and working process of the present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.
[0017] A two-degree-of-freedom ultra-high frequency response ultra-precision FTS device based on variable magnetic flux, consisting of a base 1, six flexible hinges 2a, 2b, 2c, 2d, 2e, 2f, and eight magnetic material mounting surfaces 3a, 3b , 3c, 3d, 3e, 3f, 3g, 3h, 8 magnetic materials 4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, composed of elastic guide rail 5 and knife rest 6, said whole FTS device structure Supported by a fixed base 1. Said six flexible hinges 2a, 2b, 2c, 2d, 2e, 2f are divided into two groups 2a, 2b, 2c and 2d, 2e, 2f to form a parallel mechanism. The six flexible hinges 2a, 2b, 2c, 2d, 2e, 2f are driven by magnetic materials 4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h through variable magnetic flux devices, and the magnetic materials 4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h are respectively connected to the ei...
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The invention relates to a two-degree ultra-high-frequency response ultra-precise tool servo device based on variable magnetic flux for generating an optical free surface by diamond turning, which essentially consists of a base, flexible hinges, magnetic materials, an elastic guide track and a tool rest; a plurality of flexible hinges are arranged and divided into two symmetrical groups composing a parallel mechanism; the flexible hinges are driven by a plurality of magnetic materials connected on a mounting surface of the magnetic materials through a variable magnetic flux device; the elastic guide track (5) is the parallel mechanism formed by at least two groups of flexible hinges; each group of flexible hinges comprises at least 2 flexible hinges; the tool rest (6) is connected with two flexible hinges and the elastic guide track (5); the base (1), the flexible hinges, the mounting surface of the magnetic materials, the elastic guide track (5) and the tool rest (6) are processed into a whole by spark erosion wire cutting. The device can obtain ultra-high-frequency response characteristic and relatively large stroke and can realize the reciprocating liner and oscillating motions of a tool tip relative to a work piece.
Description
technical field [0001] The invention relates to a fast tool servo (Fast Tool Servo, hereinafter referred to as FTS) device, in particular to a two-degree-of-freedom ultra-high frequency response ultra-precision FTS device created by diamond turning to create an optical free-form surface, which belongs to ultra-precision machining and complex Optical components processing and other technical fields. technical background [0002] Non-Rotationally Symmetric (hereinafter referred to as NRS) optical curved surface can overcome various aberrations of the optical system, improve optical performance, reduce the size of the optical system, and reduce the weight of the optical system. Due to the excellent performance of NRS optical surfaces, which will make breakthrough optical designs possible, NRS optical surfaces will not only have important applications in the fields of space exploration and air defense systems, but also in other consumer-oriented industrial fields. increasingly ...
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Inventor 周晓勤赵宏伟王亚明王义强许蓬子史国权王晓军李国发
Owner JILIN UNIV