CN108406117A - A kind of welding control system of AZ systems magnesium alloy welding material - Google Patents

A kind of welding control system of AZ systems magnesium alloy welding material Download PDF

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Publication number
CN108406117A
CN108406117A CN201810194222.XA CN201810194222A CN108406117A CN 108406117 A CN108406117 A CN 108406117A CN 201810194222 A CN201810194222 A CN 201810194222A CN 108406117 A CN108406117 A CN 108406117A
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China
Prior art keywords
welding
control unit
laser
master controller
threshold value
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CN201810194222.XA
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Chinese (zh)
Inventor
刘慧�
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长沙拓扑陆川新材料科技有限公司
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Priority to CN201810194222.XA priority Critical patent/CN108406117A/en
Priority to CN201610719657.2A priority patent/CN106112266B/en
Publication of CN108406117A publication Critical patent/CN108406117A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/346Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
    • B23K26/348Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03Observing, e.g. monitoring, the workpiece
    • B23K26/032Observing, e.g. monitoring, the workpiece using optical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261Rods, electrodes, wires
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/28Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
    • B23K35/284Mg as the principal constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40Making wire or rods for soldering or welding

Abstract

Present applicant proposes a kind of welding control systems of AZ systems magnesium alloy welding material, the welding control system includes master controller, laser controller, electric arc control unit, feeds silk control unit, high-speed camera and welding object control unit, and the high-speed camera shoots welding position and feeds back to the master controller;The laser controller controls the output of laser oscillator according to the order of master controller, and the laser oscillator sends out laser beam and is transmitted to welding object by optical system;The welding wire is at the uniform velocity moved to welding position by the silk control unit of feeding according to the order of master controller;The electric arc control unit controls the arc current between the welding wire and soldered object according to the order of master controller, and the welding object control unit controls the soldered step-type displacement of object according to the order of the master controller.

Description

A kind of welding control system of AZ systems magnesium alloy welding material

Technical field

This application involves field of welding material, and in particular to a kind of welding control system of AZ systems magnesium alloy welding material. The present invention is that parent application number is 2016107196572, a kind of entitled AZ systems magnesium alloy welding material and its welding control System processed, the applying date are the divisional application of the application for a patent for invention on the 25th of August in 2016.

Background technology

Magnesium alloy is with higher specific strength and specific stiffness, good electric conductivity, thermal conductivity and electromagnetic wave shielding and easily The advantages that recycling, it is widely used in aerospace, rail traffic, automobile and electronic manufacturing field, magnesium alloy materials are answered With not only being determined by the physical property of magnesium metal itself, the development of its forming technique is also relied on.Welding is in magnesium alloy connection Main forming technique.In recent years, with the improvement of the performances such as corrosion resistance of magnesium alloy and creep resistant and its expansion of application field Greatly, Welding Technology of Magnesium Alloy has become the hot spot of global welding field research.

During magnesium alloy welding, weld pool surface easily forms oxidation film, and welding point is also easy to produce stomata, crackle etc. and lacks It falls into, it is difficult to obtain the connector of reliable in quality, it has also become restrict one of widely applied main problem of magnesium alloy.Therefore, systematically It studies magnesium alloy welding technological parameter and welds preceding and post weld heat treatment Welded Joints tissue and mechanical property affecting laws With important theory significance and actual application value.

Magnesium is located at the 2nd race of the 3rd period of the periodic table of elements, belongs to active metal, is usually present in the form of compound Nature.Density of the magnesium at 20 DEG C is 1.74g/cm3, and when volume is identical, quality is about the 1/4 of steel, is the 2/3 of aluminium, is normal With metal most light in structural material.Although pure magnesium has many good qualities, its mechanical property is poor, cannot be directly used as structural wood Material, therefore used usually in the form of alloy.The alloying of magnesium is most effective reinforcing approach in practical application, i.e., adds into magnesium After entering alloying elements (such as Al, Zn, Mn and RE), the physics, chemistry and mechanics of magnesium are improved by solid solution and ageing treatment Performance obtains the magnesium alloy of high intensity.In general, magnesium alloy has the characteristics that:Density is small, specific strength and specific stiffness are high, Thermal conductivity and good conductivity, electromagnetic wave shielding are good, are easily recycled.

It, the characteristics of having cast magnesium alloy and wrought magnesium alloy concurrently in Mg-Al-Zn alloy (AZ series), can in magnesium alloy It is to apply wide magnesium alloy at present for manufacturing complex-shaped thin-wall part.But magnesium alloy has density and fusing point The features such as low, thermal conductivity, electrical conductance and coefficient of thermal expansion are big, and oxidizable and oxide fusing point is high, makes magnesium alloy weld It is susceptible to many problems in the process.Therefore the speed of welding is accurately controlled into an important research topic.

Based on this, present applicant proposes a kind of easily controllable AZ systems magnesium alloy welding material and its welding control system, Its by the proportioning selection of magnesium alloy welding material obtain it is a kind of being easy to controlled welding material welding wire in other words, cleverly lead to The control for crossing laser the focusing control and arc current, weldment movement speed of composite welding, obtains very high welding body It tests.

Invention content

One aspect of the present invention provides a kind of AZ systems magnesium alloy welding material, the ingredient percentage by weight of the welding material Than meter:Al:2.10wt%-2.40wt%;Zn:0.35wt%-0.50wt%;Mn:0.28wt%-0.45wt%;Ca: 0.001wt%-0.005wt%;Ce:0.8wt%-1wt%;Y:0.005wt%-0.01wt%;Ni:0.01wt%- 0.02wt%;Surplus is Mg.

Further, the welding material is processed as welding wire, a diameter of 1.5mm.It can make using the welding wire of the invention Seam organization there is higher thermal stability, heat crack resistance to have largely enhancing, welding point toughness and tenacity are excellent, compared with Good overcomes the inadequate deficiency of existing welding wire strength of welded joint.And the ingredient of welding wire of the present invention is uncomplicated, addition Rare earth element type it is few, and its dosage is general, and production cost is relatively low, and the volatilization oxidization burning loss in preparation process is existing As few.

Another aspect of the present invention provides a kind of welding control system of AZ systems magnesium alloy welding material, is used for described Welding material comprising using master controller, laser controller, electric arc control unit, feed silk control unit, high-speed camera and welding Object control portion, which is characterized in that the master controller is separately connected control laser controller, electric arc control unit, feeds silk control Portion and welding object control unit;

The high-speed camera shoots welding position and feeds back to the master controller;

The laser controller is according to the output of the order control laser oscillator of master controller, the laser oscillator hair Go out laser beam and welding object is transmitted to by optical system;

The welding wire is at the uniform velocity moved to welding position by the silk control unit of feeding according to the order of master controller;

The electric arc control unit controls the electric arc electricity between the welding wire and part to be welded according to the order of master controller Stream,

The welding object control unit controls the welding object displacement according to the order of the master controller.

Further, laser oscillator to welding position send out 2 either described 2 or 3 of 3 laser beams swash Light beam directive welding object at an angle, and converge in other words in welding object surface aggregate.

Further, the master controller has storage part and comparing section, and the high-speed camera shoots welding position Image and be sent to master controller, the master controller to described image carry out analyzing processing, obtain the area of laser facula With the area of molten cake, and the area of the area of the laser facula and molten cake and the hot spot threshold value that prestores and molten cake threshold value are carried out Compare, wherein the molten cake, which refers to welding wire, is melt into the cake formed on welding object surface after liquid.

Further, the master controller is adjusted according to the area of the laser facula and the comparison result of hot spot threshold value The optical conditioning system of the laser oscillator connection, until the area of the laser facula is less than the hot spot threshold value, also, Electric arc control unit described in area and the preset molten cake threshold value comparison output control of the master controller also according to molten cake and Welding object control unit, i.e., when the area of molten cake is more than or less than the molten cake threshold value, it is corresponding reduce arc current with Accelerate the movement of welding object or increases arc current and slow down the movement of welding object.

Description of the drawings

Fig. 1 is weld job schematic diagram.

Fig. 2 is high-speed camera shooting welding scene graph.

Fig. 3 is electric arc welding power supply structure chart.

Specific embodiment

Embodiment one.

The AZ systems magnesium alloy welding material of the present invention, by weight percentage:Al:2.10wt%-2.40wt%;Zn: 0.35wt%-0.50wt%;Mn:0.28wt%-0.45wt%;Ca:0.001wt%-0.005wt%;Ce:0.8wt%- 1wt%;Y:0.005wt%-0.01wt%;Ni:0.01wt%-0.02wt%;Surplus is Mg.

Above-mentioned welding material is also processed into 1.5mm welding wires by the present invention, and preparation method includes the following steps:

1) alloy melting:Magnesium ingot is added in burnt gas reverberatory furnace, after fusing, aluminium ingot is added, slagging agent is added to stir after fusing, It removes slag, intermediate alloy is then added, after 30~35 minutes, under argon gas guard mode plus refining agent is refined, quiet after refining After setting 30 minutes, horizontal casting is at magnesium alloy wire rod;

2) it shapes:Magnesium alloy wire rod is processed into the continuous plate-like welding wire of 1.5mm through repeatedly drawing over to one's side.

Another aspect of the present invention provides a kind of welding control system of AZ systems magnesium alloy welding material comprising makes With master controller, laser controller, electric arc control unit, feed silk control unit, high-speed camera and welding object control unit, feature It is, the master controller is separately connected control laser controller, electric arc control unit, feeds silk control unit and welding object control Portion;

The high-speed camera shoots welding position and feeds back to the master controller;

The laser controller is according to the output of the order control laser oscillator of master controller, the laser oscillator hair Go out laser beam and welding object is transmitted to by optical system;

The welding wire is at the uniform velocity moved to welding position by the silk control unit of feeding according to the order of master controller;

The electric arc control unit controls the electric arc electricity between the welding wire and part to be welded according to the order of master controller Stream,

The welding object control unit controls the welding object displacement according to the order of the master controller.

Further, the laser oscillator sends out 3 laser beams to welding position.

Further, the master controller has storage part and comparing section, and the high-speed camera shoots welding position Image and be sent to master controller, the master controller to described image carry out analyzing processing, this analysis can be based on more Kind of mechanism, participates in Fig. 2, for example, according to the laser facula reflectance spectrum different with molten cake or its captured by high-speed camera The different tones or brightness that image afterwards is presented, and then the different range of the two is obtained, and then laser facula is calculated Area and molten cake area, and by the area of the area of the laser facula and molten cake and the hot spot threshold value that prestores and molten cake threshold Value is compared, wherein the molten cake, which refers to welding wire, is melt into the cake formed on welding object surface after liquid.In the present embodiment Shooting image is switched into black and white coloration, and is distinguished according to gray scale, the region more than the first gray threshold is laser facula, i.e., The regions laser beam in Fig. 2, black region are other regions, and non-black region and laser facula region are defined as the areas Rong Bing Domain.

Further, the master controller is adjusted according to the area of the laser facula and the comparison result of hot spot threshold value The optical conditioning system of the laser oscillator connection, until the area of the laser facula is less than the hot spot threshold value, when full When sufficient conditions above, it is believed that the focusing of laser beam has reached requirement, i.e. laser beam convergent point is placed exactly in welding object Surface.

Further, the molten cake threshold value includes first threshold, second threshold, third threshold value and the 4th threshold value, described First threshold is less than the second threshold, and the second threshold is less than the third threshold value, and the third threshold value is less than described the Four threshold values,

The comparison result of the area of the molten cake and molten cake threshold value is sent to the electric arc control unit by the master controller With welding object control unit, also,

When the area that the comparison result is the molten cake is less than the first threshold, electric arc control unit controls the electricity Arc current is maximum gear;

When the area that the comparison result is the molten cake is more than the first threshold and is less than the second threshold, electricity It is less than the third gear of the maximum gear that arc control unit, which controls the arc current,;

When the area that the comparison result is the molten cake is more than the second threshold and is less than the third threshold value, electricity It is the second gear less than the third gear that arc control unit, which controls the arc current,;

When the area that the comparison result is the molten cake is more than the third threshold value and is less than four threshold value, electricity It is the first gear less than second gear that arc control unit, which controls the arc current,;

When the area that the comparison result is the molten cake is more than four threshold value, current region or current at this time The welding of point is believed to terminate, and it is minimum gear (such as electric current is almost nil) that electric arc control unit, which controls the arc current, Laser output is simultaneously closed off, and the welding object control unit controls one scheduled distance of the welding object advance, into And enter next pad.The full digital pulse source of welding current is taken in the electric arc welding of the present embodiment, and the structure of major loop is such as Shown in Fig. 3, and change the gear of arc current by controlling the duty ratio of PWM wave, control is simple accurate, is very suitable for The use of the present embodiment.

The welding manner that the present embodiment uses is welded for laser, electric arc combined formula, and can be pre-entered by controller Welding object motion track by the discrete pad for same distance apart in the track, and carries out step-type point-spot welding.

Embodiment two.

The AZ systems magnesium alloy welding material of the present invention, by weight percentage:Al:2.10wt%-2.40wt%;Zn: 0.35wt%-0.50wt%;Mn:0.28wt%-0.45wt%;Ca:0.001wt%-0.005wt%;Ce:0.8wt%- 1wt%;Y:0.005wt%-0.01wt%;Ni:0.01wt%-0.02wt%;Surplus is Mg.

Above-mentioned welding material is also processed into 3mm welding wires by the present invention, and preparation method includes the following steps:

1) alloy melting:Magnesium ingot is added in burnt gas reverberatory furnace, after fusing, aluminium ingot is added, slagging agent is added to stir after fusing, It removes slag, intermediate alloy is then added, after 35 minutes, under argon gas guard mode plus refining agent is refined, and 30 are stood after refining After minute, horizontal casting is at magnesium alloy wire rod;

2) it shapes:Magnesium alloy wire rod is processed into the continuous plate-like welding wire of 3mm through repeatedly drawing over to one's side.

Another aspect of the present invention provides a kind of welding control system of AZ systems magnesium alloy welding material comprising makes With master controller, laser controller, electric arc control unit, feed silk control unit, high-speed camera and welding object control unit, feature It is, the master controller is separately connected control laser controller, electric arc control unit, feeds silk control unit and welding object control Portion;

The high-speed camera shoots welding position and feeds back to the master controller;

The laser controller is according to the output of the order control laser oscillator of master controller, the laser oscillator hair Go out laser beam and welding object is transmitted to by optical system;

The welding wire is at the uniform velocity moved to welding position by the silk control unit of feeding according to the order of master controller;

The electric arc control unit controls the electric arc electricity between the welding wire and part to be welded according to the order of master controller Stream,

The welding object control unit controls the welding object displacement according to the order of the master controller.

Its process may refer to Fig. 1, and left side is laser head (being illustrated as a laser beam) in figure, right side be feed silk and The signal that arc current occurs.

Further, the laser oscillator sends out 2 laser beams to welding position.

Further, the master controller has storage part and comparing section, and the high-speed camera shoots welding position Image and be sent to master controller, the master controller to described image carry out analyzing processing, obtain the area of laser facula With the area of molten cake, and the area of the area of the laser facula and molten cake and the hot spot threshold value that prestores and molten cake threshold value are carried out Compare, wherein the molten cake, which refers to welding wire, is melt into the cake formed on welding object surface after liquid.

Further, the master controller is adjusted according to the area of the laser facula and the comparison result of hot spot threshold value The optical conditioning system of the laser oscillator connection, until the area of the laser facula is less than the hot spot threshold value, to So that two beam laser are focused on pad.

Further, the molten cake threshold value includes first threshold, second threshold, third threshold value and the 4th threshold value, described First threshold is less than the second threshold, and the second threshold is less than the third threshold value, and the third threshold value is less than described the Four threshold values,

The comparison result of the area of the molten cake and molten cake threshold value is sent to the electric arc control unit by the master controller With welding object control unit, also,

When the area that the comparison result is the molten cake is less than the first threshold, electric arc control unit controls the electricity Arc current is maximum gear;

When the area that the comparison result is the molten cake is more than the first threshold and is less than the second threshold, electricity It is less than the third gear of the maximum gear that arc control unit, which controls the arc current,;

When the area that the comparison result is the molten cake is more than the second threshold and is less than the third threshold value, electricity It is the second gear less than the third gear that arc control unit, which controls the arc current,;

When the area that the comparison result is the molten cake is more than the third threshold value and is less than four threshold value, electricity It is the first gear less than second gear that arc control unit, which controls the arc current,;

When the area that the comparison result is the molten cake is more than four threshold value, electric arc control unit controls the electricity Arc current is minimum gear, and the welding object control unit controls one scheduled distance of the welding object advance.

Embodiment three.

The AZ systems magnesium alloy welding material of the present embodiment, by weight percentage:Al:2.10wt%-2.40wt%;Zn: 0.35wt%-0.50wt%;Mn:0.28wt%-0.45wt%;Ca:0.001wt%-0.005wt%;Ce:0.8wt%- 1wt%;Y:0.005wt%-0.01wt%;Ni:0.01wt%-0.02wt%;Surplus is Mg.

Above-mentioned welding material is also processed into 3mm welding wires by the present invention, and preparation method includes the following steps:

1) alloy melting:Magnesium ingot is added in burnt gas reverberatory furnace, after fusing, aluminium ingot is added, slagging agent is added to stir after fusing, It removes slag, intermediate alloy is then added, after 30 minutes, under argon gas guard mode plus refining agent is refined, and 30 are stood after refining After minute, horizontal casting is at magnesium alloy wire rod;

2) it shapes:Magnesium alloy wire rod is processed into the continuous plate-like welding wire of 3mm through repeatedly drawing over to one's side.

Another aspect of the present invention provides a kind of welding control system of AZ systems magnesium alloy welding material comprising makes With master controller, laser controller, electric arc control unit, feed silk control unit, high-speed camera and welding object control unit, feature It is, the master controller is separately connected control laser controller, electric arc control unit, feeds silk control unit and welding object control Portion;

The high-speed camera shoots welding position and feeds back to the master controller;

The laser controller is according to the output of the order control laser oscillator of master controller, the laser oscillator hair Go out laser beam and welding object is transmitted to by optical system;

The welding wire is at the uniform velocity moved to welding position by the silk control unit of feeding according to the order of master controller;

The electric arc control unit controls the electric arc electricity between the welding wire and part to be welded according to the order of master controller Stream,

The welding object control unit controls the welding object displacement according to the order of the master controller.

Its process may refer to Fig. 1, and left side is laser head (being illustrated as a laser beam) in figure, right side be feed silk and The signal that arc current occurs.

Further, the laser oscillator sends out 2 laser beams to welding position.

Further, the master controller has storage part and comparing section, and the high-speed camera shoots welding position Image and be sent to master controller, the master controller to described image carry out analyzing processing, obtain the area of laser facula With the area of molten cake, and the area of the area of the laser facula and molten cake and the hot spot threshold value that prestores and molten cake threshold value are carried out Compare, wherein the molten cake, which refers to welding wire, is melt into the cake formed on welding object surface after liquid.

Further, the master controller is adjusted according to the area of the laser facula and the comparison result of hot spot threshold value The optical conditioning system of the laser oscillator connection, until the area of the laser facula is less than the hot spot threshold value.

Further, the molten cake threshold value includes first threshold, second threshold, third threshold value, and the first threshold is small In the second threshold, the second threshold is less than the third threshold value;

The comparison result of the area of the molten cake and molten cake threshold value is sent to the electric arc control unit by the master controller With welding object control unit, also, when the comparison result be the molten cake area be less than the first threshold when, electric arc control It is maximum gear that portion processed, which controls the arc current,;

When the area that the comparison result is the molten cake is more than the first threshold and is less than the second threshold, electricity It is less than the second gear of the maximum gear that arc control unit, which controls the arc current,;

When the area that the comparison result is the molten cake is more than the second threshold and is less than the third threshold value, electricity It is the first gear less than second gear that arc control unit, which controls the arc current,;

When the area that the comparison result is the molten cake is more than the third threshold value, electric arc control unit controls the electricity Arc current is minimum gear, and the welding object control unit controls one scheduled distance of the welding object advance.

The size of arc current can also be coordinated to adjust the output of laser energy in the present embodiment simultaneously.

Claims (4)

1. a kind of welding control system of AZ systems magnesium alloy welding material, the system include master controller, laser controlling substantially Device, feeds silk control unit, high-speed camera and welding object control unit at electric arc control unit, and the master controller is separately connected control Laser controller, feeds silk control unit and welding object control unit at electric arc control unit;
The high-speed camera shoots welding position and feeds back to the master controller;
According to the output of the order control laser oscillator of master controller, the laser oscillator sends out sharp the laser controller Light beam is simultaneously transmitted to welding object by optical system;
The welding wire is at the uniform velocity moved to welding position by the silk control unit of feeding according to the order of master controller;
The electric arc control unit controls the arc current between the welding wire and welding object according to the order of master controller,
The welding object control unit controls the welding object displacement according to the order of the master controller;
The laser oscillator to welding position sends out 2, and either 3 laser beams 2 or 3 laser beams can be certain Angle directive welding object.
It is characterized in that,
The master controller has storage part and comparing section, and the image of high-speed camera shooting welding position is simultaneously sent to master Controller, the master controller carry out analyzing processing to described image, obtain the area of the area and molten cake of laser facula, and will The area of the area of the laser facula and molten cake is compared with the hot spot threshold value and molten cake threshold value to prestore, wherein the molten cake Refer to welding wire and is melt into the cake formed on welding object surface after liquid;The master controller according to the area of the laser facula with The comparison result of hot spot threshold value adjusts the optical conditioning system of the laser oscillator connection, until the area of the laser facula Less than the hot spot threshold value.
2. a kind of welding control system of AZ systems as described in claim 1 magnesium alloy welding material, which is characterized in that the master Controller carries out analyzing processing to described image, and the analysis is based on the laser facula reflectance spectrum or difference different with molten cake Tone or brightness, and then the different range of the two is obtained, and then the area of the area and molten cake of laser facula is calculated.
3. a kind of welding control system of AZ systems as described in claim 1 magnesium alloy welding material, which is characterized in that
The molten cake threshold value includes first threshold, second threshold, third threshold value and the 4th threshold value, and the first threshold is less than described Second threshold, the second threshold are less than the third threshold value, and the third threshold value is less than the 4th threshold value,
The comparison result of the area of the molten cake and molten cake threshold value is sent to the electric arc control unit, laser by the master controller Controller and welding object control unit, also,
When the area that the comparison result is the molten cake is less than the first threshold, electric arc control unit controls the electric arc electricity Stream is maximum gear, and laser controller controls laser output and opens;
When the area that the comparison result is the molten cake is more than the first threshold and is less than the second threshold, electric arc control It is less than the third gear of the maximum gear that portion processed, which controls the arc current,;
When the area that the comparison result is the molten cake is more than the second threshold and is less than the third threshold value, electric arc control It is the second gear less than the third gear that portion processed, which controls the arc current,;
When the area that the comparison result is the molten cake is more than the third threshold value and is less than four threshold value, electric arc control It is the first gear less than second gear that portion processed, which controls the arc current,;
When the area that the comparison result is the molten cake is more than four threshold value, electric arc control unit controls the electric arc electricity Stream is minimum gear and laser controller controls laser output and closes, and the welding object control unit control welding Object one scheduled distance of advance.
4. a kind of welding control system of AZ systems as claimed in claim 3 magnesium alloy welding material, which is characterized in that
The master controller pre-enters welding object motion track, and the motion track is the weldering at a distance of the scheduled distance Contact, to carry out step-type point-spot welding.
CN201810194222.XA 2016-08-25 2016-08-25 A kind of welding control system of AZ systems magnesium alloy welding material CN108406117A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810194222.XA CN108406117A (en) 2016-08-25 2016-08-25 A kind of welding control system of AZ systems magnesium alloy welding material
CN201610719657.2A CN106112266B (en) 2016-08-25 2016-08-25 A kind of AZ systems magnesium alloy welding material and its welding control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810194222.XA CN108406117A (en) 2016-08-25 2016-08-25 A kind of welding control system of AZ systems magnesium alloy welding material

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201610719657.2A Division CN106112266B (en) 2016-08-25 2016-08-25 A kind of AZ systems magnesium alloy welding material and its welding control system

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CN201810194219.8A CN108465937A (en) 2016-08-25 2016-08-25 A kind of welding control system of magnesium alloy welding material
CN201810194222.XA CN108406117A (en) 2016-08-25 2016-08-25 A kind of welding control system of AZ systems magnesium alloy welding material
CN201610719657.2A CN106112266B (en) 2016-08-25 2016-08-25 A kind of AZ systems magnesium alloy welding material and its welding control system
CN201810195102.1A CN108274124A (en) 2016-08-25 2016-08-25 A kind of welding control system
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