The expansion setting-out of a kind of three-dimensional surface triangle method of development makes new invention method

The expansion setting-out of a kind of three-dimensional surface triangle method of development makes new invention method

  • CN 106,204,736 A
  • Filed: 03/01/2016
  • Published: 12/07/2016
  • Est. Priority Date: 03/01/2016
  • Status: Active Grant
First Claim
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1. the expansion setting-out of a three-dimensional surface triangle method of development makes new invention method, it is characterised in that carry out as follows (as a example by the elliptic cone stage body side surface expansion setting-out parallel by simple upper and lower bottom surface makes):

  • A. with AutoCAD at three-dimensional modeling work space, use the upper and lower oval end creating elliptic cone stage body in AutoCAD in ELLIPSE " oval " the order XYX coordinate system in the UCS " world coordinate system " of three-dimensional modeling work space respectively by 1;

    1 ratio physical dimension requirement, re-use LOFT " setting-out " order, create the three-dimensional entity model of elliptic cone stage body;

    B. with AutoCAD at three-dimensional modeling work space, use the upper and lower oval end creating elliptic cone stage body in AutoCAD in ELLIPSE " oval " the order XYX coordinate system in the UCS " world coordinate system " of three-dimensional modeling work space respectively by 1;

    1 ratio physical dimension requirement, re-use LINE " straight line " order and connect four quadrantal points at the upper and lower oval end respectively, so far formed and formed elliptic cone stage body three dimensional microscopy by the upper and lower oval end and quadrantal points line thereof;

    C., the girth at the upper and lower oval end of elliptic cone stage body three dimensional microscopy use DIV " fixed number decile " order be divided into equal parts (because using the quadrantal points of figure to be easy to location, all numbers are generally the integral multiple of 4, alphanumeric indicia Along ent can be used to distinguish), and use a kind of some pattern being easy to observe of a pattern command selection;

    D. upper and lower for elliptic cone stage body three dimensional microscopy oval end girth Along ent is drawn elliptic cone stage body element line by one-to-one relationship;

    E. upper and lower for elliptic cone stage body three dimensional microscopy oval end girth Along ent is staggered after an Along ent by one-to-one relationship line, so far the several spatial triangles (similar tradition " the triangle method of development ") adjoined successively being made up of element line, upper oval end girth Along ent line (chord length), lower oval end girth Along ent line (chord length), a line that staggers of the most oval end girth Along ent are formed, it is achieved the space orientation of each spatial triangle line segment end points in elliptic cone stage body three dimensional microscopy;

    The respective datum mark of the elliptic cone stage body three dimensional microscopy f. formed with said process by the three-dimensional entity model of the elliptic cone stage body created by LOFT " setting-out " order is overlapped, visually just can discover the locus deviation of the three-dimensional entity model of each line segment and elliptic cone stage body in elliptic cone stage body three dimensional microscopy, if locus deviation is unsatisfactory for requirement, more Along ent repeat the above steps need to be used;

    G., after each line segment locus deviation meets requirement in elliptic cone stage body three dimensional microscopy, LIST " list shows " order (or other modes) is used to add up all elliptic cone stage body three dimensional microscopy middle conductor length successively;

    H. three line segments (arc length using elliptic arc between oval perimeters Along ent of the upper and lower end respectively replaces chord length) of each spatial triangle in elliptic cone stage body three dimensional microscopy are drawn triangle (launching by tradition " the triangle method of development ") by its corresponding length on two dimensional surface successively;

    I. SPLINE " SPL " order is used to be connected the most respectively by the line segment end points of every side elliptic arc arc length in the elliptic cone stage body side expanded view on two dimensional surface;

    J. by the dimensioning (line segment of every side elliptic arc arc length can mark a group) respectively of each line segment in the expanded view of elliptic cone stage body side, and select the line segment of part special points to roll alignment line as reserved, with realize can by hand on sheet material 1;

    1 draw full-page proof and roll correct alignment role of inspection;

    The most so far, elliptic cone stage body side expansion setting-out completes.[m1] . Digit Control Machine Tool can be introduced directly into and carry out surface trimming operation, it is possible on sheet material, draw full-page proof, hand cut operation in expanded view institute dimensioning 1;

    1 ratio;

    L. after being rolled by the reserved location examination requirements rolling alignment line by the sheet material after cutting, then roll alignment line welding correction by reserved, i.e. complete elliptic cone stage body unfolded surface setting-out and production job.

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