CN102950339A - Numerical control grinding method for titanium alloy material of circular arc end tooth structure - Google Patents
Numerical control grinding method for titanium alloy material of circular arc end tooth structure Download PDFInfo
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- CN102950339A CN102950339A CN2012104567106A CN201210456710A CN102950339A CN 102950339 A CN102950339 A CN 102950339A CN 2012104567106 A CN2012104567106 A CN 2012104567106A CN 201210456710 A CN201210456710 A CN 201210456710A CN 102950339 A CN102950339 A CN 102950339A
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Abstract
The invention relates to a numerical control grinding method for titanium alloy material of a circular arc end tooth structure. Before processing, the following information of a machining tool are determined: a horizontal position of a part; a radial position, an axial position and an angle of a sand wheel dresser; a pressure angle; size parameters of a sand wheel; size parameters of a diamond disc sheet; shape parameters of end teeth; and adjustment of a cooling pipeline. The procedure processing comprises the following operations of: clamping the part; scoring tooth traces on the end surface of the part by the sand wheel to check the relative positions of the teeth and holes; cutting the teeth by small cutting amount, not dressing the sand wheel, and applying color to observe and determine the number of teeth at one interval when the sand wheel is dressed; roughly cutting the teeth, and dressing the sand wheel at the interval of several teeth; applying color to check, adjusting the radius and the center distance of the sand wheel, and verifying the shape parameters of the teeth; cutting the teeth in a semifinishing way, with the dressing frequency of the sand wheel being half of the finishing frequency; and applying color to check, adjusting the grinding parameters, and ensuring the contact area of the teeth and the sand wheel. The method has the advantages that the processing of the titanium alloy material of the circular arc end tooth structure is realized, the numerical control is realized in the grinding of the circular arc end teeth, and the processing capability of the end tooth structure of aviation industry is improved.
Description
Technical field
The present invention relates to titanium alloy material arc end toothing processing technique field, particularly a kind of arc end toothing titanium alloy material numerical control grinding method.
Background technology
Along with aero-engine to the quoting of arc end toothing, circular arc end tooth Grinding Technology also is born thereupon, adopts at present common semi-automatic controlling machine processing to be fit to the high-temperature alloy material of grinding.Also do not carry out this process technology that is difficult for removing material of titanium alloy for the arc end toothing, and the working (machining) efficiency of machine tool is low-down with respect to numerical control device, can not satisfies batch product demand of aircraft industry.
Because some special Physical and mechanical properties of titanium alloy causes it to be difficult to carry out grinding.The performance of grinding difficult point is as follows: 1) wheel adhere is serious; 2) distortion is complicated in the grinding process, the stacked segmental chip of generation layer; 3) grinding force is large, grinding temperature is high; 4) chemism is high.Aspect military industry field machining, the processing of titanium alloy is arranged grinding hardly, grinding, the especially grinding of titanium alloy arc end toothing that should this titanium alloy material, adding the field at the aviation machine still is technological gap.
Summary of the invention
The objective of the invention is to improve circular arc end tooth working (machining) efficiency in order to improve the grinding technique of arc end toothing, realize the high-accuracy grinding of titanium alloy material, the spy provides a kind of arc end toothing titanium alloy material numerical control grinding method.
The invention provides a kind of arc end toothing titanium alloy material numerical control grinding method, it is characterized in that: described arc end toothing titanium alloy material numerical control grinding method is as follows:
To confirm the following information of lathe before the processing:
The part horizontal level; Dresser radially, axial location and angle; Pressure angle; The emery wheel dimensional parameters; Diamond disc dimensions parameter; The end tooth form parameter; Cooling line is adjusted;
Operation process operation program: clamping parts; Mark indentation with emery wheel at part end face, in order to check the relative position in tooth and hole; Little cutting output cutting, trimming wheel not, painted observation is determined each, and what tooth corrections are an emery wheel; Roughing tooth is every emery wheel of several tooth finishings; Grinding wheel radius and centre-to-centre spacing are adjusted in dyeing inspection, confirm tooth profile parameter; Semi-finishing tooth, grinding wheel frequency are half of correct grinding; Grinding parameter is adjusted in dyeing inspection, guarantees tooth contact area;
Experiment machined parameters table:
Increase the wheel face roughness during corase grind, thereby reduce the piece surface burn, be fit to large surplus grinding; Suitably reduce Part Surface Roughness when partly finish grinding, adjust parameter so that part is convenient to dyeing inspection.
Advantage of the present invention:
Arc end toothing titanium alloy material numerical control grinding method of the present invention is realized the processing of arc end toothing titanium alloy material, makes the grinding of circular arc end tooth move towards numerical control, has promoted the working ability of aircraft industry end tooth structure.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments:
Fig. 1 is double wedge tooth profile parameter schematic diagram;
1 is the emery wheel internal diameter, and 2 is the emery wheel external diameter, and 3 is the tooth top chamfer angle, 4 is chamfer dimesion, and 5 is the chamfering blend radius, and 6 is pitch diameter plane zero point, 7 is height of teeth top, and 8 is the profile of tooth angle, and 9 are emery wheel switching angle, 10 are place, emery wheel switching angle chamfer radius, 11 is high at the bottom of the tooth, and 12 is tooth bottom chamfer radius, and 13 is the chevron angle, 14 is emery wheel cusp chamfer radius, 15 for mountain wheel bottom surface wide.
The specific embodiment
Present embodiment provides a kind of arc end toothing titanium alloy material numerical control grinding method, it is characterized in that: described arc end toothing titanium alloy material numerical control grinding method is as follows:
To confirm the following information of lathe before the processing:
The part horizontal level; Dresser radially, axial location and angle; Pressure angle; The emery wheel dimensional parameters; Diamond disc dimensions parameter; The end tooth form parameter; Cooling line is adjusted;
Operation process operation program: clamping parts; Mark indentation with emery wheel at part end face, in order to check the relative position in tooth and hole; Little cutting output cutting, trimming wheel not, painted observation is determined each, and what tooth corrections are an emery wheel; Roughing tooth is every emery wheel of several tooth finishings; Grinding wheel radius and centre-to-centre spacing are adjusted in dyeing inspection, confirm tooth profile parameter; Semi-finishing tooth, grinding wheel frequency are half of correct grinding; Grinding parameter is adjusted in dyeing inspection, guarantees tooth contact area;
Experiment machined parameters table:
Increase the wheel face roughness during corase grind, thereby reduce the piece surface burn, be fit to large surplus grinding; Suitably reduce Part Surface Roughness when partly finish grinding, adjust parameter so that part is convenient to dyeing inspection.
Present embodiment provides a kind of arc end toothing titanium alloy material numerical control grinding method, it is characterized in that: described arc end toothing titanium alloy material numerical control grinding method is as follows:
To confirm the following information of lathe before the processing:
The part horizontal level; Dresser radially, axial location and angle; Pressure angle; The emery wheel dimensional parameters; Diamond disc dimensions parameter; The end tooth form parameter; Cooling line is adjusted;
Operation process operation program: clamping parts; Mark indentation with emery wheel at part end face, in order to check the relative position in tooth and hole; Little cutting output cutting, trimming wheel not, painted observation is determined each, and what tooth corrections are an emery wheel; Roughing tooth is every emery wheel of several tooth finishings; Grinding wheel radius and centre-to-centre spacing are adjusted in dyeing inspection, confirm tooth profile parameter; Semi-finishing tooth, grinding wheel frequency are half of correct grinding; Grinding parameter is adjusted in dyeing inspection, guarantees tooth contact area;
Experiment machined parameters table:
Increase the wheel face roughness during corase grind, thereby reduce the piece surface burn, be fit to large surplus grinding; Suitably reduce Part Surface Roughness when partly finish grinding, adjust parameter so that part is convenient to dyeing inspection.
Present embodiment provides a kind of arc end toothing titanium alloy material numerical control grinding method, it is characterized in that: described arc end toothing titanium alloy material numerical control grinding method is as follows:
To confirm the following information of lathe before the processing:
The part horizontal level; Dresser radially, axial location and angle; Pressure angle; The emery wheel dimensional parameters; Diamond disc dimensions parameter; The end tooth form parameter; Cooling line is adjusted;
Operation process operation program: clamping parts; Mark indentation with emery wheel at part end face, in order to check the relative position in tooth and hole; Little cutting output cutting, trimming wheel not, painted observation is determined each, and what tooth corrections are an emery wheel; Roughing tooth is every emery wheel of several tooth finishings; Grinding wheel radius and centre-to-centre spacing are adjusted in dyeing inspection, confirm tooth profile parameter; Semi-finishing tooth, grinding wheel frequency are half of correct grinding; Grinding parameter is adjusted in dyeing inspection, guarantees tooth contact area;
Experiment machined parameters table:
Increase the wheel face roughness during corase grind, thereby reduce the piece surface burn, be fit to large surplus grinding; Suitably reduce Part Surface Roughness when partly finish grinding, adjust parameter so that part is convenient to dyeing inspection.
Claims (1)
1. arc end toothing titanium alloy material numerical control grinding method, it is characterized in that: described arc end toothing titanium alloy material numerical control grinding method is as follows:
To confirm the following information of lathe before the processing:
The part horizontal level; Dresser radially, axial location and angle; Pressure angle; The emery wheel dimensional parameters; Diamond disc dimensions parameter; The end tooth form parameter; Cooling line is adjusted;
Operation process operation program: clamping parts; Mark indentation with emery wheel at part end face, in order to check the relative position in tooth and hole; Little cutting output cutting, trimming wheel not, painted observation is determined each, and what tooth corrections are an emery wheel; Roughing tooth is every emery wheel of several tooth finishings; Grinding wheel radius and centre-to-centre spacing are adjusted in dyeing inspection, confirm tooth profile parameter; Semi-finishing tooth, grinding wheel frequency are half of correct grinding; Grinding parameter is adjusted in dyeing inspection, guarantees tooth contact area;
Experiment machined parameters table:
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| CN201210456710.6A CN102950339B (en) | 2012-11-14 | 2012-11-14 | Numerical control grinding method for titanium alloy material of circular arc end tooth structure |
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| CN201210456710.6A CN102950339B (en) | 2012-11-14 | 2012-11-14 | Numerical control grinding method for titanium alloy material of circular arc end tooth structure |
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| CN102950339B CN102950339B (en) | 2015-01-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328273A (en) * | 2015-11-20 | 2016-02-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Adaption grinding method for circular-arc end tooth |
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| US20080113592A1 (en) * | 2006-10-12 | 2008-05-15 | The Gleason Works | Method of lapping gears |
| US20080264401A1 (en) * | 2007-04-27 | 2008-10-30 | Kapp Gmbh | Method and grinding machine for dressing of a grinding tool |
| CN101733482A (en) * | 2009-12-22 | 2010-06-16 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for digital control processing of arc-shaped end teeth based on calibration of machining accuracy indexes |
| US20100242283A1 (en) * | 2009-03-30 | 2010-09-30 | Gm Global Technology Operations, Inc. | Method for finishing a gear surface |
| CN102218572A (en) * | 2011-05-31 | 2011-10-19 | 中国航空动力机械研究所 | Shaping method and manufacturing method for involute straight tooth planetary transmission gear |
| CN203317298U (en) * | 2013-05-16 | 2013-12-04 | 嘉兴乾昆工业设计有限公司 | Integrated type screwdriver |
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2012
- 2012-11-14 CN CN201210456710.6A patent/CN102950339B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080113592A1 (en) * | 2006-10-12 | 2008-05-15 | The Gleason Works | Method of lapping gears |
| US20080264401A1 (en) * | 2007-04-27 | 2008-10-30 | Kapp Gmbh | Method and grinding machine for dressing of a grinding tool |
| US20100242283A1 (en) * | 2009-03-30 | 2010-09-30 | Gm Global Technology Operations, Inc. | Method for finishing a gear surface |
| CN101733482A (en) * | 2009-12-22 | 2010-06-16 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for digital control processing of arc-shaped end teeth based on calibration of machining accuracy indexes |
| CN102218572A (en) * | 2011-05-31 | 2011-10-19 | 中国航空动力机械研究所 | Shaping method and manufacturing method for involute straight tooth planetary transmission gear |
| CN203317298U (en) * | 2013-05-16 | 2013-12-04 | 嘉兴乾昆工业设计有限公司 | Integrated type screwdriver |
Non-Patent Citations (2)
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| 刘亚声: "钛合金叶片的普通磨料缓进磨削", 《航空工程与维修》, no. 9, 30 September 1995 (1995-09-30), pages 12 - 14 * |
| 陈震等: "端面齿的高粘度磨齿工艺研究", 《科技创新导报》, no. 12, 30 April 2011 (2011-04-30), pages 114 - 117 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328273A (en) * | 2015-11-20 | 2016-02-17 | 沈阳黎明航空发动机(集团)有限责任公司 | Adaption grinding method for circular-arc end tooth |
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