CN102658412B - Hole opening process by numerical control cutting machine - Google Patents
Hole opening process by numerical control cutting machine Download PDFInfo
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- CN102658412B CN102658412B CN201210137360.7A CN201210137360A CN102658412B CN 102658412 B CN102658412 B CN 102658412B CN 201210137360 A CN201210137360 A CN 201210137360A CN 102658412 B CN102658412 B CN 102658412B
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Abstract
The invention discloses a hole opening process by a numerical control cutting machine. The process comprises the following steps: adjusting a cutting platform to be horizontal; positioning a member on the platform, and making the axis of the member parallel to a rail; performing horizontal adjustment of a member cutting range; positioning holes to be cut, and making five points of the holes; adjusting an inclination angle, and positioning the inclination angle of a cutting torque; correcting a cutting track; and cutting. By the hole opening process, a skew round hole can be accurately and quickly cut in place at one time, the quality is ensured and the cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of numerical control cutting machine hole opening technology.
Background technology
Due to popularizing of computer, the extensive use of Numeric Control Technology, substantially increase the operating efficiency of every profession and trade and the precision of various sizes, steel construction industry also takes full advantage of the strong point of computer technology, in the various complex geometry and various space angle of steel construction blanking, carried out improvement and bring new ideas.
At present, on the basis of being furnished with numerical control cutting machine, the geometric perpendicular cuts of plane arbitrary dimension is had to tutorial program and the cutting technique of comparative maturity, but for the band angle cutting on vertical and horizontal perpendicular cuts face, a never complete prosecutor case.
Summary of the invention
The object of the present invention is to provide a kind of numerical control cutting machine hole opening technology, the present invention can accomplish that once cutting oblique circular hole puts in place, accurate and quick, while ensuring the quality of products, greatly reduces cost.
In order to achieve the above object, technical scheme of the present invention is:
A kind of numerical control cutting machine hole opening technology, comprise the steps: to adjust Cutting platform level → component makes the horizontal adjustment → cutting hole position of component axis and parallel track → component cut coverage location in platform location, the adjustment at five point → angles of inclination, custom made aperture position, location cutting torch angle of inclination → cutting track corrects → cutting.
Described adjustment Cutting platform level refers to that the horizontal adjustment of numerical control cutting machine track is at 20m length ± 2.5mm; The Level-adjusting of Numerical control cutting moulding bed is at 2m × 6m scope ± 10mm.
Described component makes component axis and parallel track refer to horizontal adjustment on component after moulding bed in platform location, and cutting element is put on moulding bed after smoothing, carries out fine tuning by horizon rule, to be controlled by modular level within ± 5mm at vertical and horizontal.
The horizontal adjustment of described component cut coverage refers to and the levelness of position, hole cut coverage on component to be controlled within ± 2mm.
The concrete steps of the location of described cutting hole position are: 1) before component cutting, carry out ink-jet with numerical control cutting machine program and determine hole (machine apolegamy function), make the intersection point of the central point of position, hole and the track in hole and major axis and minor axis, precision reaches ± 1mm; 2) then position with manual setting-out: on the sizing face, position, hole of component, make vertical and horizontal center line with steel tape and ink fountain, as datum line, draw major axis and the minor axis of position, hole, make four intersection points of track and two axis and position, hole central point totally five points use sample punch mark; When position, hole center line and member center line not parallel, then need two axis coming locating hole position with the track intersecting point coordinate in given central point of hole and arbitrary axis and hole; Draw central point and four intersection points; Precision controlling is within ± 1.5mm.
The adjustment at described angle of inclination comprises the steps: 1) on object of reference steel plate, draw angle line with the ratio of angular templet or angle two right-angle sides, wherein angle vertical height >=200mm, by the cutting wind line of cutting torch according to the angle line on object of reference, by rotating gun head, make both adjust on a line as far as possible, precision reaches ± and 0.5 °; 2) there is the position, hole at angle of inclination in both direction, first adjust the angle in a direction, then angular templet is placed on the angle parallel plane overlapped with axis and with first angle line adjusting second direction; 3) for the position, hole of uneven band two angles of position, hole axis and member center line, the angle of both direction to constantly be adjusted successively, until reach best angle value.
The correction of described cutting track comprises the steps: 1) by the cutting process of the software programming elliptical aperture position on numerical control cutting machine, and be elliptical center by introducing point location, in type of cut, be defined as hole; 2) the cutting torch rise time is adjusted to 0 second; 3) define any point for cutting initial point, then start preview, suspend after previewing arbitrary time, then move cutting torch, make cutting wind line crossing at position, hole central point with component cut surface, then by moving parts option determination cutting track, continue preview, check that whether track is through other four points; If there is deviation, continue through moving parts adjustment; Last return to origin.
Described cutting refers to that on adjustment numerical control cutting machine, cut mode is oxygen gas, then starts cutting, after Kong Weikai system, stops cutting process.Position, hole has been cut.
The invention has the beneficial effects as follows: the present invention can accomplish that once cutting oblique circular hole puts in place, accurate and quick, while ensuring the quality of products, greatly reduce cost.
Detailed description of the invention
Embodiment 1
The present embodiment is for Shenyang animation bridge main arch anchor case hole, numerical control cutting machine is utilized to open system 86 holes altogether, a kind of numerical control cutting machine hole opening technology, comprise the steps: 1) adjustment Cutting platform level, described adjustment Cutting platform level refers to that the horizontal adjustment of numerical control cutting machine track is at 20m length ± 2.5mm; The Level-adjusting of Numerical control cutting moulding bed is at 2m × 6m scope ± 10mm.
2) component makes component axis and parallel track in platform location, described component makes component axis and parallel track refer to horizontal adjustment on component after moulding bed in platform location, cutting element is put on moulding bed after smoothing, carry out fine tuning by horizon rule, modular level controlled within ± 5mm at vertical and horizontal.
3) horizontal adjustment of component cut coverage, the horizontal adjustment of described component cut coverage refers to and the levelness of position, hole cut coverage on component to be controlled within ± 2mm.
4) location of cutting hole position, five, custom made aperture position point, select position, hole approaching side, and two faces of component can as approaching side, but in order to avoid obscuring, need be unified to mark approaching side on drilling figure.General angle schematic detail view secures approaching side.The concrete steps of the location of described cutting hole position are: 1) before component cutting, carry out ink-jet with numerical control cutting machine program and determine hole (machine apolegamy function), make the intersection point of the central point of position, hole and the track in hole and major axis and minor axis, precision reaches ± 1mm; 2) then position with manual setting-out: on the sizing face, position, hole of component, make vertical and horizontal center line with steel tape and ink fountain, as datum line, draw major axis and the minor axis of position, hole, make four intersection points of track and two axis and position, hole central point totally five points use sample punch mark; When position, hole center line and member center line not parallel, then need two axis coming locating hole position with the track intersecting point coordinate in given central point of hole and arbitrary axis and hole; Draw central point and four intersection points; Precision controlling is within ± 1.5mm.
5) adjustment at angle of inclination, cutting torch angle of inclination, location, the adjustment at described angle of inclination comprises the steps: 1) on object of reference steel plate, draw angle line with the ratio of angular templet or angle two right-angle sides, wherein angle vertical height >=200mm, by the cutting wind line of cutting torch according to the angle line on object of reference, by rotating gun head, make both adjust on a line as far as possible, precision reaches ± and 0.5 °; 2) there is the position, hole at angle of inclination in both direction, first adjust the angle in a direction, then angular templet is placed on the angle parallel plane overlapped with axis and with first angle line adjusting second direction; 3) for the position, hole of uneven band two angles of position, hole axis and member center line, the angle of both direction to constantly be adjusted successively, until reach best angle value.
6) cutting track corrects, and the correction of described cutting track comprises the steps: 1) by the cutting process of the software programming elliptical aperture position on numerical control cutting machine, and be elliptical center by introducing point location, in type of cut, be defined as hole; 2) the cutting torch rise time is adjusted to 0 second; 3) define any point for cutting initial point, then start preview, central point of must having good positioning during preview: intersection point and position, the hole point coincides in cutting torch wind line and component face must be better, drilling precision is higher.Suspend after previewing arbitrary time, then move cutting torch, cutting torch laterally can angle-adjustable, but has larger adjustment space in the reverse direction longitudinally only having, and angle in the positive direction rotates in the other direction as far as possible and cuts.Make cutting wind line crossing at position, hole central point with component cut surface, then by moving parts option determination cutting track, the distance in cutting torch and component face is once fixing, and midway must not adjust, otherwise will change cutting track.Continue preview, check that whether track is through other four points; If there is deviation, continue through moving parts adjustment; Last return to origin.
7) cut, described cutting refers to that on adjustment numerical control cutting machine, cut mode is oxygen gas, then cutting is started, cutting speed needs adjustment: with major and minor axis quartering cutting track, " O " point is for introducing point, and " A " point is starting point, and A → B → C point increases progressively, C → D → A point successively decreases, object be prevent cutting from occurring rear dragging or component acute angle are melted limit.Cutting process is stopped after Kong Weikai system.Position, hole has been cut.
The hole opening technology about Shenyang animation bridge main arch anchor case hole that the present embodiment process is carried out, drilling precision reaches ± and 2mm. aperture qualification rate reaches 99.9 ﹪.Make mistakes one (numerical control operating work direction discernment mistake) in main arch anchor case hole, subarch anchor case 8 (setting-out work is by second angle direction marking error) overall accuracy of makeing mistakes reach 94 ﹪.The present embodiment technique can accomplish that once cutting oblique circular hole puts in place, accurate and quick, while ensuring the quality of products, greatly reduces cost.
Claims (7)
1. a numerical control cutting machine hole opening technology, it is characterized in that comprising the steps: to adjust Cutting platform level → component makes the horizontal adjustment → cutting hole position of component axis and parallel track → component cut coverage location in platform location, the adjustment at five point → angles of inclination, custom made aperture position, location cutting torch angle of inclination → cutting track corrects → cutting;
The concrete steps of the location of described cutting hole position are: 1) before component cutting, carry out ink-jet with numerical control cutting machine program and determine hole, make the intersection point of the central point of position, hole and the track in hole and major axis and minor axis, precision reaches ± 1mm; 2) then position with manual setting-out: on the sizing face, position, hole of component, make vertical and horizontal center line with steel tape and ink fountain, as datum line, draw major axis and the minor axis of position, hole, make four intersection points of track and two axis and position, hole central point totally five points use sample punch mark; When position, hole center line and member center line not parallel, then need two axis coming locating hole position with the track intersecting point coordinate in given central point of hole and arbitrary axis and hole; Draw central point and four intersection points; Precision controlling is within ± 1.5mm;
During cutting, cutting speed needs adjustment: with major and minor axis quartering cutting track, and " O " point is for introducing point, and " A " point is starting point, and A → B → C point increases progressively, and C → D → A point successively decreases.
2. a kind of numerical control cutting machine hole opening technology as claimed in claim 1, is characterized in that: described adjustment Cutting platform level refers to that the horizontal adjustment of numerical control cutting machine track is at 20m length ± 2.5mm; The Level-adjusting of Numerical control cutting moulding bed is at 2m × 6m scope ± 10mm.
3. a kind of numerical control cutting machine hole opening technology as claimed in claim 1, it is characterized in that: described component makes component axis and parallel track refer to horizontal adjustment on component after moulding bed in platform location, cutting element is put on moulding bed after smoothing, carry out fine tuning by horizon rule, modular level controlled within ± 5mm at vertical and horizontal.
4. a kind of numerical control cutting machine hole opening technology as claimed in claim 1, is characterized in that: the horizontal adjustment of described component cut coverage refers to and the levelness of position, hole cut coverage on component to be controlled within ± 2mm.
5. a kind of numerical control cutting machine hole opening technology as claimed in claim 1, it is characterized in that the adjustment at described angle of inclination comprises the steps: 1) on object of reference steel plate, draw angle line with the ratio of angular templet or angle two right-angle sides, wherein angle vertical height >=200mm, by the cutting wind line of cutting torch according to the angle line on object of reference, by rotating gun head, make both adjust on a line as far as possible, precision reaches ± and 0.5 °; 2) there is the position, hole at angle of inclination in both direction, first adjust the angle in a direction, then angular templet is placed on the angle parallel plane overlapped with axis and with first angle line adjusting second direction; 3) for the position, hole of uneven band two angles of position, hole axis and member center line, the angle of both direction to constantly be adjusted successively, until reach best angle value.
6. a kind of numerical control cutting machine hole opening technology as claimed in claim 1, it is characterized in that the correction of described cutting track comprises the steps: 1) by the cutting process of the software programming elliptical aperture position on numerical control cutting machine, and be elliptical center by introducing point location, in type of cut, be defined as hole; 2) the cutting torch rise time is adjusted to 0 second; 3) define any point for cutting initial point, then start preview, suspend after previewing arbitrary time, then move cutting torch, make cutting wind line crossing at position, hole central point with component cut surface, then by moving parts option determination cutting track, continue preview, check that whether track is through other four points; If there is deviation, continue through moving parts adjustment; Last return to origin.
7. a kind of numerical control cutting machine hole opening technology as claimed in claim 1, it is characterized in that described cutting refers to that on adjustment numerical control cutting machine, cut mode is oxygen gas, then start cutting, after Kong Weikai system, stop cutting process, position, hole has been cut.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210137360.7A CN102658412B (en) | 2012-05-07 | 2012-05-07 | Hole opening process by numerical control cutting machine |
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| CN201210137360.7A CN102658412B (en) | 2012-05-07 | 2012-05-07 | Hole opening process by numerical control cutting machine |
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| CN102658412A CN102658412A (en) | 2012-09-12 |
| CN102658412B true CN102658412B (en) | 2015-02-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103341727A (en) * | 2013-06-25 | 2013-10-09 | 武汉钢铁集团湖北华中重型机械制造有限公司 | Method for machining annular cooler trolley panel |
| CN104588832B (en) * | 2014-12-11 | 2017-06-27 | 马钢(集团)控股有限公司 | A kind of shaped steel fire cuts machine cut rifle cutting control system and method |
| CN105598584B (en) * | 2016-02-01 | 2017-08-22 | 大族激光科技产业集团股份有限公司 | Using the method in Laser Processing hole |
| CN106881539B (en) * | 2017-03-31 | 2022-09-09 | 哈电集团（秦皇岛）重型装备有限公司 | Pressure container |
| CN112060259A (en) * | 2020-08-19 | 2020-12-11 | 南京金龙客车制造有限公司 | Passenger car floor blanking strategy based on automatic floor blanking equipment |
| CN112404646B (en) * | 2020-11-05 | 2022-04-08 | 防城港中一重工有限公司 | Method for quickly cutting thick plate bolt hole |
| CN112264771A (en) * | 2020-12-03 | 2021-01-26 | 冰轮环境技术股份有限公司 | Manufacturing process of pressure vessel cylinder |
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| CN2531909Y (en) * | 2002-03-28 | 2003-01-22 | 哈尔滨工程大学 | Computer controlled flame holing cutting machine |
| CN101041198A (en) * | 2006-03-20 | 2007-09-26 | 上海锅炉厂有限公司 | Method of for cutting un-orthogonal crossed big connecting pipe hole by the digital controlled fire on the thick cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3829114B2 (en) * | 2002-11-28 | 2006-10-04 | ファナック株式会社 | Numerical controller |
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Patent Citations (2)
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|---|---|---|---|---|
| CN2531909Y (en) * | 2002-03-28 | 2003-01-22 | 哈尔滨工程大学 | Computer controlled flame holing cutting machine |
| CN101041198A (en) * | 2006-03-20 | 2007-09-26 | 上海锅炉厂有限公司 | Method of for cutting un-orthogonal crossed big connecting pipe hole by the digital controlled fire on the thick cylinder |
Non-Patent Citations (1)
| Title |
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| 陈崇源等.数控加工机械控制技术.《最新实用电工手册》.1995,854-861. * |
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