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Four-shaft numerically controlled ellipsoidal and spherical hobbing cutter spade milling machine tool

An ellipsoidal and spherical technology, applied in the field of four-axis CNC ellipsoidal and spherical hob relief grinding machine tools

Inactive Publication Date: 2009-07-01
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This solution solves the problem of manufacturing spherical and ellipsoidal hobs

Method used

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  • Four-shaft numerically controlled ellipsoidal and spherical hobbing cutter spade milling machine tool
  • Four-shaft numerically controlled ellipsoidal and spherical hobbing cutter spade milling machine tool
  • Four-shaft numerically controlled ellipsoidal and spherical hobbing cutter spade milling machine tool

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Embodiment Construction

[0012] In order to solve the problem of manufacturing spherical and ellipsoidal hobs, the present invention develops a processing device for ellipsoidal hobs—a four-axis numerically controlled ellipsoidal hob and spherical hob relief grinder, such as figure 1 , 2 and 3. It includes a headstock 1, a tailstock 2 and a bed 3, wherein the bed 3 is equipped with a position-adjustable arc regulating plate 11 and a rotating plate 19 that can rotate around a rotating shaft 18 fixed on the arc regulating plate 11, Radial feed tool holder 22, tangential feed tool holder 15 and cutting tool are installed on the rotating plate 19 from low to high; The guide rail 23 is supported, and the radial feed tool holder 22 and the tangential feed tool holder 15 are respectively supported by the linear rolling guide rail 21 . Rotating plate 19 is equipped with worm gear 7, and first servomotor 10 is installed on arc regulating plate 11, and first servomotor 10 drives worm screw 8 and worm gear 7 t...

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Abstract

The invention discloses a 4-axis nc relief grinding machine tool for ellipsoidal and spherical hobs, which is characterized in that: a machine bed(3) is provided with an arc adjusting plate(11) whose position can be adjusted and a rotary plate(19) that can rotate around a rotary shaft(18) fixed on the arc adjusting plate(11).The rotary plate(19) is sequentially provided with a radial feeding knife frame(22), a tangential feeding knife frame(15) and a cutter from the lower part to the higher part. The rotary shaft (18) is perpendicular to the central lines of a spindle box (1) and a tailstock (2). An arc rolling guiding rail (23) is arranged between the rotary plate (19) and the arc adjusting plate (11). The lower parts of the radial feeding knife frame (22) and the tangential feeding knife frame (15) are respectively provided with a straight line rolling guiding rail (21). With the proposal adopted, the special machine tool for processing spherical and ellipsoidal internal gear hobs is provided, which solves the problems that the cutters of large diameters are difficult to be processed with difficult processing and low precision.

Description

technical field [0001] The invention relates to a four-axis numerical control ellipsoidal and spherical hob relief grinding machine tool, in particular to a machine tool for processing ellipsoidal and spherical internal gear hobs. technical background [0002] Gear shaping is currently the most commonly used method for machining internal gears based on the generating principle. Spherical hob is designed based on the principle of machining internal gear with gear shaping cutter. It is a kind of generating tool. One hob can process large straight or helical internal gears with the same modulus but different numbers of teeth. The hob is After the shovel tooth structure is reground, the tooth shape of the processed workpiece remains unchanged, and it has the advantages of high machining accuracy, long service life and good versatility. The spherical hob is currently the most ideal tool among hobbing tools for large internal gears. But there is no special-purpose machine tool fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B3/12
Inventor 崔云起胡占奇
Owner YANSHAN UNIV
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