CN103302388B - Two varied angle plasma cutting-torch once cut the method for U rib divided edge of steel plate - Google Patents
Two varied angle plasma cutting-torch once cut the method for U rib divided edge of steel plate Download PDFInfo
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- CN103302388B CN103302388B CN201310243155.3A CN201310243155A CN103302388B CN 103302388 B CN103302388 B CN 103302388B CN 201310243155 A CN201310243155 A CN 201310243155A CN 103302388 B CN103302388 B CN 103302388B
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Abstract
The present invention relates to the method that a kind of pair of varied angle plasma cutting-torch once cuts U rib divided edge of steel plate, is on a plasma digital control cutting machine, is provided with two cover plasma power supplies and can the plasma cutting-torch of deflection angle; Two plasma cutting-torch are configured with cutting torch elemental height locator, cutting torch arc voltage adjustment control system and digital control system PLC programmable system.Put on cutting tables by steel plate to be cut, two plasma cutting-torch aim at steel plate edge to be cut, adjust two plasma cutting-torch lateral separations, cutting torch angle, set two plasma cutting-torch initial alignment values, cutting current and cutting speed in digital control system; Press cutting machine start button, under digital control system controls, the starting the arc simultaneously of two plasma cutting-torch is cut U rib steel plate.This method only needs one cutting that manufacturing procedure once completes U rib divided edge of steel plate, simple to operate, and achieve automation cutting, the U rib steel plate linearity of cutting, groove face quality and angle precision all reach designing requirement.<!--1-->
Description
Technical field
The present invention relates to a kind of processing technology of bridge U-shaped stiffening rib steel plate groove, specifically relate to the method that a kind of pair of varied angle plasma cutting-torch once cuts U rib divided edge of steel plate, belong to bridge manufacturing process field.
Background technology
U-shaped rib is the ribbed stiffener of steel bridge cross bridge floor board, is the important component of bridge, the usual thick 6 ~ 8mm of U-shaped floor, bottom width 300mm, and height is 280mm about, is U-shaped section.The processing of tradition U rib divided edge of steel plate, most of enterprise adopts gas flame cuttiug blanking, through large-scale bull edge milling machines milling straight flange, then through the process of edge milling machines or beveler Rolling-cut shear groove.This type of technique turns that sequence is more, cost of labor is high, long processing time, loss are large.It is more loaded down with trivial details that blanking turns sequence work, material must by multiple working procedure and steel plate repeatedly turn-over just can enter the last compressing stage.As adopted beveler Rolling-cut shear groove, groove face has very dark rolling cut tool marks, has a significant impact follow-up welding quality.The good processing step of current U rib steel plate retaining wall on slope quality has: adopt sheet material pretreatment → tie rod blanking → leveling → lath closed assembly milling limit → lath closed assembly bolt hole processing → lath angle folding groove Milling Process → Bending Processing; The more loaded down with trivial details problem of operation is all there is from so visible U-shaped rib processing technology step of multiple working procedure.
Summary of the invention
The object of the invention is the deficiency that U rib steel plate retaining wall on slope is of poor quality or manufacturing procedure is many existed to solve prior art, and provide a kind of easy and simple to handle, two varied angle plasma cutting-torch that crudy is good once cut the method for U rib divided edge of steel plate, use this method to achieve process full-automatic, improve U rib steel plate retaining wall on slope efficiency and ensure retaining wall on slope quality.
For achieving the above object, the technical solution used in the present invention is: provide a kind of pair of varied angle plasma cutting-torch once to cut the method for U rib divided edge of steel plate, a plasma digital control cutting machine body is installed two cover plasma power supplies, and two covers can the plasma cutting-torch of deflection angle; Described plasma cutting-torch is configured with cutting torch elemental height locator, cutting torch arc voltage adjustment control system and digital control system PLC programmable system; By Interal fixation to be cut on cutting tables; Operate as follows again:
(1), two plasma cutting-torch are aimed at steel plate edge to be cut, adjust two plasma cutting-torch lateral separations, adjust two plasma cutting-torch deflection angles, two plasma cutting-torch initial alignment values are set in digital control system, setting cutting current, setting cutting speed, plasma digital control cutting machine is in state to be launched;
(2), press cutting machine start button, under the PLC programmable system of cutting machine digital control system controls, the starting the arc simultaneously of two plasma cutting-torch, cuts U rib steel plate simultaneously; If intermediate demand suspends cutting, two cutting torches, also for cease arc simultaneously, stop cutting simultaneously;
, in cutting process under THC cutting torch arc voltage adjustment control system controls, arc voltage controls in 5 ‰ scopes, and two plasma cutting-torch remain on stable height, until cutting machine completes the cutting of monoblock U rib steel plate automatically.
In method of the present invention, the two plasma cutting-torch of realization once cuts U rib steel plate needs to solve following technological difficulties:
1. liang plasma cutting-torch must be identical apart from steel plate height when the starting the arc, and all on the height of setting, otherwise U rib plate cutting width can not ensure on required width.
2, two plasma cutting-torch must remain stable height in cutting process, otherwise cutting edge can not directly, and the wide meeting of plate changes.
3, two plasma cutting-torch must remain consistent in cutting process, the starting the arc simultaneously, and cutting current is consistent, stops simultaneously, ceases arc simultaneously.
Following measures is taked to settle one by one for above technological difficulties:
1, for making two plasma cutting-torch identical apart from steel plate height when the starting the arc, and all on the height of setting, two plasma cutting-torch are configured with cutting torch elemental height locator.Elemental height locator can set cutting torch elemental height value, and during the starting the arc, two plasma cutting-torch drop to setting height automatically, and the starting the arc simultaneously.
2, the height for making two plasma cutting-torch remain stable in cutting process, two plasma cutting-torch are configured with THC cutting torch arc voltage adjustment control system.Plasma cutting-torch is in cutting process, and arc voltage and highly proportional change, height change arc voltage follows respective change.Be configured with THC cutting torch arc voltage adjustment control system, two plasma cutting-torch automatically detect plasma electric arc voltage in cutting process, feed back to THC control system, adjust in time to height tolerance, arc voltage is remained in setting value.
3. adopt the CUT digital control system with PLC programmable functions, the Synchronization Control to two cutting torches can be realized by the PLC programmable functions in digital control system, realize two cutting torches in cutting process, remain consistent, the starting the arc simultaneously, cutting current is consistent, stops simultaneously, cease arc simultaneously, and adopt PLC system can realize two cutting torch automatically to jointly control, easy and simple to handle, realize operating process full-automation.
Adopt method of the present invention, in cutting process, two cutting torch lateral separations are adjustable, can cut the U rib plate of different in width.This method can realize two cutting torch and automatically jointly control, and cutting process realizes full-automatic operation.Therefore method operating procedure of the present invention is very simple, and two plasma cutting-torch only need be aimed at steel plate edge to be cut by operator, adjust two cutting torch lateral separations, adjustment cutting torch angle; Two cutting torch initial alignment values are set, setting cutting current, setting cutting speed in EDGE digital control system; Press cutting machine start button; Under EDGE digital control system PLC programmable system controls, the starting the arc simultaneously of two cutting torches is cut.In cutting process under THC cutting torch arc voltage adjustment control system controls, two cutting torches remain on stable height, thus ensure the accurate cutting width of U-shaped floor and good cutting surfaces quality.One piece of U rib plate once completes on two plasma cutting-torch cut simultaneously, and cutting efficiency is high, and cut quality is good, visible, adopts method of the present invention to cut the groove of bridge U-rib plate, can be reduced to a procedure by traditional multiple working procedure.
Compared with the prior art the method that the two varied angle plasma cutting-torch of the present invention once cuts U rib divided edge of steel plate has the following advantages:
(1), this method great advantage is omitted the multiple tracks machining processes of processing U rib divided edge of steel plate, and be reduced to a procedure by traditional multiple working procedure, and crudy is stablized, precision is high.
(2), the present invention is on a plasma digital control cutting machine body, installing two covers can the plasma cutting-torch of deflection angle, and two plasma cutting-torch are all configured with cutting torch elemental height locator, cutting torch arc voltage adjustment control system and digital control system PLC programmable system, can set cutting torch elemental height value by elemental height locator, during the starting the arc, two cut and automatically drop to setting height, and the starting the arc simultaneously, ensure that U rib plate can be cut on required width and plate is wide constant, cutting edge is straight.
(3), adopt method of the present invention to operate very simple, operating personnel only need complete the location of cutting torch and steel plate → determine errorless return to origin → adjustment torch height → press start button, get final product surface trimming, in cutting process, operative employee need only monitor cut state.Greatly reduce operation easier, require also significantly to reduce to operating personnel's integrating skills.
(4), adopt and The inventive method achieves arc voltage in cutting process and control in 5 ‰ scopes, highly stable, cutting U rib steel plate linearity, groove face quality and angle precision all reach designing requirement.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that in method of the present invention, two varied angle plasma cutting-torch once cuts U rib divided edge of steel plate.
In above-mentioned figure: 1-cutting machine digital control system, 2-plasma power supply, 3-plasma cutting-torch, 4-U rib steel plate, 5-cutting machine body, 6-cutting bed.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1: a kind of pair of varied angle plasma cutting-torch provided by the invention once cuts the method for U rib divided edge of steel plate, select a HPR260 plasma digital control cutting machine, as shown in Figure 1, on this plasma digital control cutting machine body 5, being provided with two cover max105 plasma power supplies 2 and two covers can the plasma cutting-torch 3 of deflection angle; Two described plasma cutting-torch 3 are all configured with cutting torch elemental height locator, THC cutting torch arc voltage adjustment control system and EDGE digital control system PLC programmable system; U rib steel plate 4 to be cut is fixed on cutting bed 6; Operate as follows again:
(1), two plasma cutting-torch 3 are aimed at U rib steel plate 4 edge to be cut, adjust two plasma cutting-torch 3 lateral separations, adjust two plasma cutting-torch 3 deflection angles, two plasma cutting-torch 3 initial alignment values are set in EDGE digital control system, setting cutting current, setting cutting speed, plasma digital control cutting machine is in state to be launched.
(2), press cutting machine start button, under the PLC programmable system of cutting machine digital control system 1 controls, the starting the arc simultaneously of two plasma cutting-torch 3, cuts U rib steel plate 4 simultaneously; If intermediate demand suspends cutting, two plasma cutting-torch 3, also for cease arc simultaneously, stop cutting simultaneously.
, in cutting process under THC cutting torch arc voltage adjustment control system controls, arc voltage controls in 5 ‰ scopes, and two plasma cutting-torch 3 remain on stable height, until cutting machine completes the cutting of monoblock U rib steel plate 4 automatically.
From embodiment, adopt method of the present invention to cut the groove of bridge U rib steel plate, be reduced to a procedure by traditional multiple working procedure.
Method of the present invention only needs one manufacturing procedure, simple to operate, and achieve automation cutting, the U rib steel plate linearity of cutting, groove face quality and angle precision all reach designing requirement, and crudy is high.
Claims (1)
1. two varied angle plasma cutting-torch once cuts a method for U rib divided edge of steel plate, and a plasma digital control cutting machine body is installed two cover plasma power supplies, and two covers can the plasma cutting-torch of deflection angle; Described plasma cutting-torch is configured with cutting torch elemental height locator, cutting torch arc voltage adjustment control system and digital control system PLC programmable system; By Interal fixation to be cut on cutting tables; It is characterized in that: operate as follows again:
(1), two plasma cutting-torch are aimed at steel plate edge to be cut, adjust two plasma cutting-torch lateral separations, adjust two plasma cutting-torch deflection angles, two plasma cutting-torch initial alignment values are set in digital control system, setting cutting current, setting cutting speed, plasma digital control cutting machine is in state to be launched;
(2), press cutting machine start button, under the PLC programmable system of cutting machine digital control system controls, the starting the arc simultaneously of two plasma cutting-torch, cuts U rib steel plate simultaneously; If intermediate demand suspends cutting, two cutting torches are also blow-out simultaneously, stop cutting simultaneously;
, in cutting process under THC cutting torch arc voltage adjustment control system controls, arc voltage controls in 5 ‰ scopes, and two plasma cutting-torch remain on stable height, until cutting machine completes the cutting of monoblock U rib steel plate automatically.
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| CN201310243155.3A CN103302388B (en) | 2013-06-19 | 2013-06-19 | Two varied angle plasma cutting-torch once cut the method for U rib divided edge of steel plate |
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| CN201310243155.3A CN103302388B (en) | 2013-06-19 | 2013-06-19 | Two varied angle plasma cutting-torch once cut the method for U rib divided edge of steel plate |
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| CN103302388B true CN103302388B (en) | 2016-01-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104858525A (en) * | 2015-05-19 | 2015-08-26 | 中建钢构有限公司 | Numerical control flame double-gun cutting and striking arc connecting bridge cutting method |
| CN110328441A (en) * | 2019-08-06 | 2019-10-15 | 河北瓦尔丁科技有限公司 | Two supports, six numerical control plasma cutting machine |
| CN110653466A (en) * | 2019-10-23 | 2020-01-07 | 张琳 | Plasma punching and cutting integrated machine and U-shaped rib production system |
| CN114273765B (en) * | 2022-01-27 | 2024-05-07 | 中车沈阳机车车辆有限公司设备分公司 | Railway wagon side plate plasma automatic cutting device and method |
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| EP1034862A1 (en) * | 1999-03-08 | 2000-09-13 | Aute AG Gesellschaft für autogene Technik | Continuous casting plant for billet, bloom and slab inclusive cutting and deburring device with improved service for save and quick production of shortest and burr-free parts |
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| JP2004116180A (en) * | 2002-09-27 | 2004-04-15 | Hitachi Plant Eng & Constr Co Ltd | Deck plate cutting device |
| KR101270967B1 (en) * | 2010-06-24 | 2013-06-11 | 삼성중공업 주식회사 | Movable cutting surface plate |
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| EP1034862A1 (en) * | 1999-03-08 | 2000-09-13 | Aute AG Gesellschaft für autogene Technik | Continuous casting plant for billet, bloom and slab inclusive cutting and deburring device with improved service for save and quick production of shortest and burr-free parts |
| CN202155652U (en) * | 2011-07-15 | 2012-03-07 | 天津振汉机械装备有限公司 | Multi-functional numerical control plasma cutting machine |
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