CN102615378A - Profile steel fish-belly cutting process method - Google Patents
Profile steel fish-belly cutting process method Download PDFInfo
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- CN102615378A CN102615378A CN2012100386953A CN201210038695A CN102615378A CN 102615378 A CN102615378 A CN 102615378A CN 2012100386953 A CN2012100386953 A CN 2012100386953A CN 201210038695 A CN201210038695 A CN 201210038695A CN 102615378 A CN102615378 A CN 102615378A
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Abstract
The invention relates to a profile steel fish-belly cutting process method. Two pieces of numerical control flame cutting equipment are used for performing profile steel fish-belly cutting; the length size of the conventional profile steel is in the stroke range of the two pieces of numerical control flame cutting equipment; and the workbench surfaces of the flame cutting equipment can be removed, so that the workbench surfaces can be removed when the profile steel is cut and the self-designed simple fixed clamping tool is placed at the proper position. The reasonable process cutting method is adopted in the cutting process and a process rib is reserved at the proper position of the cutting part, so that the cutting region locally forms the closed region and the deformation of the profile steel in the cutting process is reduced. The profile steel fish-belly cutting process method has the advantages that the reasonable process cutting method is adopted in the cutting process, so that the deformation of the profile steel in the cutting process is reduced, the cutting error is reduced, the cutting quality is guaranteed and the cutting efficiency is improved; due to the self-designed reasonable tool, the cutting deformation is reduced, the cutting quality is guaranteed and the purchase cost of the special cutting equipment is reduced; and the using range of the equipment is not limited by the products.
Description
Technical field
The present invention relates to a kind of cutting process method, especially relate to a kind of shaped steel fish belly cutting process method.
Background technology
China railways vehicle flatcar central sill is the fish belly type, and the fish belly central sill utilizes frock die mould, assembly welding to become box-structure after adopting H shaped steel cutting breach.In the fish belly cutting process, need control H shaped steel distortion in cut lengths and the cutting process.We must adopt the reasonable technology method to solve these problems for this reason.
The technical scheme of prior art adopts following two kinds:
1, adopts manual line cutting.Utilize model that cutting zone is rule, adopt manual oxygen cutting again.
2, adopt the professional production line, make the tooling device of central sill fish belly cutting, comprise positioning clamping device, buying specialty cuts equipment (numerical control cutting machine).
There is following shortcoming in above-mentioned two kinds of schemes:
Adopt the shortcoming of manual line cutting: 1. utilize the model line, the trace dimensions of cutting section be because artificial line can produce the large-size deviation, and it is relatively poor to cause the later stage fish belly to press-fit Forming Quality; 2. employing hand cut, cross section quality is relatively poor, and the section polishing is more time-consuming, and cutting efficiency is lower, and labor strength is big; 3. the cutting distortion is big, is difficult to control.
Adopt the shortcoming of professional production line: take fixedly place, need to make the frock of specialty, the cutting equipment of buying specialty.Though the professional production line has improved cut quality, reduced the cutting distortion, improved production efficiency, the buying expenses of equipment and frock is higher, and the function of use of cutting equipment is restricted, and versatility is not strong.
Summary of the invention
The present invention solves the existing in prior technology technical problem; Provide in a kind of cutting process, taked the reasonable technology cutting method, reduced shaped steel distortion in the cutting, reduced cutting error, improved a kind of shaped steel fish belly cutting process method of cutting efficiency when guaranteeing cut quality.
It is to solve the existing in prior technology technical problem that the present invention also has a purpose; Provide a kind of existing flame cutting equipment, frock reasonable in design voluntarily utilized to reduce the cutting distortion and guarantee cut quality; Reduced the expense of buying special cutting device, made the scope of application of equipment not receive a kind of shaped steel fish belly cutting process method of the restriction of product simultaneously.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
A kind of shaped steel fish belly cutting process method is characterized in that, may further comprise the steps:
Step 1 according to the fish belly compact dimensions, is confirmed cutting notch size and Numerical control cutting program,
Step 2 in order to reduce cutting distortion, increases process bar at cutting zone, and quantity is confirmed according to the cut lengths size, notices in the programming that straight line and oblique line connecting portion are arc transition, avoids occurring wedge angle, when guaranteeing the fish belly die mould up and down fish belly dock the gap,
Step 3, subdrilling goes out the technology circular hole before the cutting, and as the location initial point of cutting process, equipment is behind this location, and follow procedure moves on to the cutting of beginning cut point automatically, when cutting off the sideline, can cut round dot always, returns then and cuts oblique line.
Step 4,, flame cutting machine the time can remove former Cutting platform carrying out the cutting of shaped steel fish belly, in cutting zone, makes frock, and frock is simultaneously made locating piece, and locating piece must be point-blank,
Step 5, another side adopt screw mandrel to clamp, and locating piece and screw mandrel position are positioned at cutting bar-shaped two sides, and the position is positioned at cutting part, make an amount of clamping device simultaneously as the case may be,
Step 6 because indivedual cutting bar-shaped side sway that has possibly cause having big gap between placement back and the locating piece, if side sway is excessive, needs to cut after the accent side sway of school.
Step 7 when not producing this type of accessory, can remove frock, uses former Cutting platform instead and carries out other plate cuttings.
Therefore, the present invention has following advantage: 1. in the cutting process, take the reasonable technology cutting method, reduce shaped steel distortion in the cutting, reduce cutting error, improve cutting efficiency when guaranteeing cut quality; 2. utilize existing flame cutting equipment, frock reasonable in design voluntarily to reduce the cutting distortion and guarantee cut quality, reduced the expense of buying special cutting device, make the scope of application of equipment not receive the restriction of product simultaneously.
Description of drawings
Accompanying drawing 1 is the fish belly moulding figure that adopts after the present invention cuts.
Accompanying drawing 2 is cutting sketch mapes of the present invention.
Accompanying drawing 3 is fish belly cutting tool schematic layout patterns of the present invention.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment: the present invention includes following steps:
Step 1 according to the fish belly compact dimensions, is confirmed cutting notch size and Numerical control cutting program (being the cutting track size),
Step 2 in order to reduce cutting distortion, increases process bar at cutting zone, and quantity is confirmed according to the cut lengths size, notices in the programming that straight line and oblique line connecting portion are arc transition, avoids occurring wedge angle, when guaranteeing the fish belly die mould up and down fish belly dock the gap,
Step 3, subdrilling goes out the technology circular hole before the cutting, and as the location initial point of cutting process, equipment is behind this location, and follow procedure moves on to the cutting of beginning cut point automatically, when cutting off the sideline, can cut round dot always, returns then and cuts oblique line.
Step 4,, flame cutting machine can remove former Cutting platform when carrying out the cutting of shaped steel fish belly, in cutting zone, makes frock, and frock is simultaneously made locating piece, and locating piece is (with the flame cutting machine parallel track) point-blank,
Step 5, another side adopt screw mandrel to clamp, and locating piece and screw mandrel position are positioned at cutting bar-shaped two sides, and the position is positioned at cutting part, make an amount of clamping device simultaneously as the case may be,
Step 6 because indivedual cutting bar-shaped side sway that has possibly cause having big gap between placement back and the locating piece, if side sway is excessive, needs to cut after the accent side sway of school.
Step 7 when not producing this type of accessory, can remove frock, uses former Cutting platform instead and carries out other plate cuttings.
In the present embodiment, adopt the flame cutting at present, can use meticulous plasma cutting instead according to cutting thickness.Fish belly molding effect figure after the cutting sees Fig. 1.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (1)
1. a shaped steel fish belly cutting process method is characterized in that, may further comprise the steps:
Step 1 according to the fish belly compact dimensions, is confirmed cutting notch size and Numerical control cutting program,
Step 2 in order to reduce cutting distortion, increases process bar at cutting zone, and quantity is confirmed according to the cut lengths size, notices in the programming that straight line and oblique line connecting portion are arc transition, avoids occurring wedge angle, when guaranteeing the fish belly die mould up and down fish belly dock the gap,
Step 3, subdrilling goes out the technology circular hole before the cutting, and as the location initial point of cutting process, equipment is behind this location, and follow procedure moves on to the cutting of beginning cut point automatically, when cutting off the sideline, can cut round dot always, and return then and cut oblique line,
Step 4,, flame cutting machine the time can remove former Cutting platform carrying out the cutting of shaped steel fish belly, in cutting zone, makes frock, and frock is simultaneously made locating piece, and locating piece must be point-blank,
Step 5, another side adopt screw mandrel to clamp, and locating piece and screw mandrel position are positioned at cutting bar-shaped two sides, and the position is positioned at cutting part, make an amount of clamping device simultaneously as the case may be,
Step 6 because indivedual cutting bar-shaped side sway that has possibly cause having big gap between placement back and the locating piece, if side sway is excessive, needs to cut after the accent side sway of school,
Step 7 when not producing this type of accessory, removes frock, uses former Cutting platform instead and carries out other plate cuttings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038695.3A CN102615378B (en) | 2012-02-21 | 2012-02-21 | Profile steel fish-belly cutting process method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038695.3A CN102615378B (en) | 2012-02-21 | 2012-02-21 | Profile steel fish-belly cutting process method |
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| Publication Number | Publication Date |
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| CN102615378A true CN102615378A (en) | 2012-08-01 |
| CN102615378B CN102615378B (en) | 2014-04-02 |
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| CN201210038695.3A Active CN102615378B (en) | 2012-02-21 | 2012-02-21 | Profile steel fish-belly cutting process method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825844A (en) * | 2017-03-10 | 2017-06-13 | 郑州煤矿机械集团股份有限公司 | The elongated cage bar groove method for hot cutting of hydraulic support for low coal seam back timber |
| CN107891247A (en) * | 2017-09-30 | 2018-04-10 | 重庆铁马工业集团有限公司 | The baiting method of long straight narrow strip metal part |
| CN109175636A (en) * | 2018-09-14 | 2019-01-11 | 中车眉山车辆有限公司 | A kind of railway freight-car H profile steel baiting method |
| CN110480237A (en) * | 2019-08-26 | 2019-11-22 | 中车石家庄车辆有限公司 | For manufacturing the tooling of fish-bellied type central sill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006095591A (en) * | 2004-09-30 | 2006-04-13 | Kunio Kurata | Gas melt cutting guiding device |
| CN1930538A (en) * | 2004-03-12 | 2007-03-14 | 阿克芬亚兹股份有限公司 | Method and arrangement for working profile blanks |
| CN101811310A (en) * | 2009-02-20 | 2010-08-25 | 中冶天工上海十三冶建设有限公司 | Method for cutting H-shaped steel into T-shaped steel |
| CN102259226A (en) * | 2011-06-09 | 2011-11-30 | 浙江西子重工电力设备有限公司 | Semi-automatic short-range cutting machine and cutting method thereof |
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2012
- 2012-02-21 CN CN201210038695.3A patent/CN102615378B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930538A (en) * | 2004-03-12 | 2007-03-14 | 阿克芬亚兹股份有限公司 | Method and arrangement for working profile blanks |
| JP2006095591A (en) * | 2004-09-30 | 2006-04-13 | Kunio Kurata | Gas melt cutting guiding device |
| CN101811310A (en) * | 2009-02-20 | 2010-08-25 | 中冶天工上海十三冶建设有限公司 | Method for cutting H-shaped steel into T-shaped steel |
| CN102259226A (en) * | 2011-06-09 | 2011-11-30 | 浙江西子重工电力设备有限公司 | Semi-automatic short-range cutting machine and cutting method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825844A (en) * | 2017-03-10 | 2017-06-13 | 郑州煤矿机械集团股份有限公司 | The elongated cage bar groove method for hot cutting of hydraulic support for low coal seam back timber |
| CN107891247A (en) * | 2017-09-30 | 2018-04-10 | 重庆铁马工业集团有限公司 | The baiting method of long straight narrow strip metal part |
| CN107891247B (en) * | 2017-09-30 | 2020-02-21 | 重庆铁马工业集团有限公司 | Blanking method of long straight strip metal part |
| CN109175636A (en) * | 2018-09-14 | 2019-01-11 | 中车眉山车辆有限公司 | A kind of railway freight-car H profile steel baiting method |
| CN110480237A (en) * | 2019-08-26 | 2019-11-22 | 中车石家庄车辆有限公司 | For manufacturing the tooling of fish-bellied type central sill |
| CN110480237B (en) * | 2019-08-26 | 2021-03-16 | 中车石家庄车辆有限公司 | Tool for manufacturing fish belly type center sill |
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| Publication number | Publication date |
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| CN102615378B (en) | 2014-04-02 |
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