CN104220204A - Welding apparatus with automated welding wire retraction - Google Patents
Welding apparatus with automated welding wire retraction Download PDFInfo
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- CN104220204A CN104220204A CN201380019400.0A CN201380019400A CN104220204A CN 104220204 A CN104220204 A CN 104220204A CN 201380019400 A CN201380019400 A CN 201380019400A CN 104220204 A CN104220204 A CN 104220204A
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- Prior art keywords
- welding
- wire
- welding wire
- retraction
- silk
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
- B23K9/0956—Monitoring or automatic control of welding parameters using sensing means, e.g. optical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/124—Circuits or methods for feeding welding wire
- B23K9/125—Feeding of electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
- B23K9/1336—Driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
- Arc Welding In General (AREA)
- Resistance Welding (AREA)
Abstract
A method providing a welding apparatus (100) configured to supply a welding wire (136) to a welding gun (130) and a welding system implementing the same is described. The welding gun (130) has a trigger (134) and an opening where the welding wire (136) extends when the trigger (134) is activated. The method also has a computer with a user interface (126) that includes an automatic wire retract program, the program dynamically adjusting the amount of welding wire (136) retraction based at least upon one of the following: welding arc current, welding wire size, welding wire speed and burnback time. The program monitors the welding gun (130) and determines when the trigger (134) is disabled.
Description
The application is the sequence number submitted on February 10th, 2012 is No.13/370, the part continuation application of the pending patent application of 652, described sequence number is No.13/370, the pending patent application of 652 is the sequence numbers submitted on December 14th, 2010 is No.12/967, the part continuation application of patent application authorized by the band of 667, and described patent application is all merged in herein by reference.
Technical field
Invention described herein generally relate to for manual welding equipment from movable wire retracting method.In addition, the present invention relates to transformation or revise welding equipment and comprise from movable wire retracting method.
Background technology
Welding equipment is configured to be operated by welding person and other staff.Usually, this welding equipment comprises wire feeder, and when welding person's (such as by extruding trigger or by stepping on foot pedals) activates welding gun trigger, welding wire is advanced to welding gun by described wire feeder.After welding, the jag (pointed end) of welding wire extends from the ignition tip of welding gun, likely makes welding person and other staff be exposed to potential unsafe situation.
Summary of the invention
In view of foregoing problems and the weak point of existing welding equipment, the application describes a kind of system and method to overcome these weak points.
By the method from movable wire retracting method, method according to claim 6, raising welding operation security according to claim 13 according to claim 1, the method for welding operation described in 14 and the welding system according to claim 15,16 and 17 is wanted to solve the problem according to right.Further embodiment of the present invention is the theme of dependent claims.In one aspect of the invention, describe such from movable wire retracting method, described method at least comprises the following steps: provide manual welding equipment, described manual welding equipment has at least one source of welding current, is configured to supply the silk feeder of welding wire and have the welding gun of trigger and opening portion, and described welding wire extends from described opening portion; There is provided have retract time delay from movable wire retraction program; Configuring described manual welding equipment comprises from movable wire retraction program; Monitor when trigger is activated to make welding wire extend to described opening portion from silk feeder, and make described welding wire extend to outside the described opening portion of described welding gun; Determine the very first time amount when described trigger is disabled; Determine when that amount of the described very first time at least equals described retractions time delay, wherein during the described very first time measures, described trigger is disabled; And one to retract distance or reach the retraction time in the described opening portion at least in part described welding wire being retracted into described welding gun, described step of dynamically retracting at least in part is based at least one in following parameter: welding arc electric current, wire size, welding wire feed rate and return the burning time (burnback time).Very first time amount and time delay are typically based on the time quantum that the user of historical operation person's welding characteristic limits, and can be unique for each welding operation.The second time quantum i.e. time of retracting is the dynamic adjustments value of the characteristic based on adopted welding operation.The amount of retracting is at least part of retraction of distance (" CTWD ") from ignition tip to workpiece, and the retraction completely in welding gun tip can be caused according to the characteristic of welding operation and the configuration of welding gun, or jointly extends with welding gun tip in essence, or even partly extend beyond welding gun tip and be still less than the distance of CTWD of weld period.
Although it should be understood that term " trigger " is used in the present patent application, its intention comprises foot pedals operation, wherein activates mechanism and is not physically presented on welding gun body.
In another aspect of this invention, such method is described, described method at least comprises the following steps: provide and be configured to supply the manual welding equipment of welding wire to welding gun, wherein said welding gun has trigger and opening portion, and when described trigger is activated, described welding wire extends from described opening portion; There is provided the computer with user interface, described user interface comprises from movable wire retraction program; Monitor described welding gun; During described monitoring step, determine when that described trigger is being activated or disabled position; Determining that described trigger is that use is described after disabled position and compares from the execution of movable wire retraction program, when meet first condition to indicate; And after the step of described comparison, described welding wire of retracting at least in part, described step of dynamically retracting at least in part is based at least one in following parameter: welding arc electric current, wire size, welding wire feed rate and return the burning time.
Describe such method still again on the other hand of the present invention, use and adopt trigger to carry out the welding torch of propulsion solder wire to improve the security of welding operation, said method comprising the steps of: press described trigger to advance described welding wire to initiate welding operation; Discharge described trigger to stop the described propelling of described welding wire; Detecting described trigger is in the position of release; Wait the first paragraph time; By the described first paragraph time compared with predetermined waiting time; To retract at least in part when the described first paragraph time exceeds described predetermined waiting time described welding wire; And the step of retracting at least in part reaches the second segment time described in continuing, the step of step of dynamically retracting at least in part described in described continuation is based at least one in following parameter: welding arc electric current, wire size, welding wire feed rate and return the burning time.
Of the present invention further in, describe such welding system, described welding system at least comprises with lower part: the source of welding current; Silk feeder; Welding gun, described welding gun operationally communicates with described silk feeder, and described welding gun has the device controlling described silk feeder; Silk retraction program, described silk retraction program operationally communicates with described silk feeder, and described silk retraction program comprises: be used for determining when that the device of described control described silk feeder has passed the signal along to the checkout gear that described silk feeder stops sending to described welding wire; Be used for measuring the comparator stopping the elapsed time (elapsed time) sent between the described signal of described welding wire and Preset Time; And after described comparator determines that the described elapsed time has exceeded Preset Time, pass the signal along to described silk feeder to retract at least in part described welding wire, described step of dynamically retracting at least in part is based at least one in following parameter described program be operable: welding arc electric current, wire size, welding wire feed rate and return the burning time.
Of the present invention still further in, describe such welding system, described welding system at least comprises with lower part: the source of welding current; Silk feeder; Welding gun, described welding gun operationally communicates with described silk feeder, and described welding gun has the device controlling described silk feeder; Silk retraction program, described silk retraction program operationally communicates with described silk feeder, and described silk retraction program comprises: be used for determining when that the device of described control described silk feeder has passed the signal along to the checkout gear that described silk feeder stops sending to described welding wire; And after the described signal arriving described silk feeder after a predetermined time stops sending described welding wire to, pass the signal along to described silk feeder to retract at least in part described welding wire, described step of dynamically retracting at least in part is based at least one in following parameter described program be operable: welding arc electric current, wire size, welding wire feed rate and return the burning time.
Although welding stops delay to be typically preferred, always it is necessary and the present invention comprises the technique using and adopt trigger to carry out the welding torch of propulsion solder wire, comprise the following steps: press described trigger to advance described welding wire to initiate welding operation; Discharge described trigger to stop the described propelling of described welding wire; Detecting described trigger is in the position of release; Detecting that described trigger is described welding wire of retracting at least in part after the position of release; And described step of dynamically retracting at least in part is based at least one in following parameter: welding arc electric current, wire size, welding wire feed rate and return the burning time.
Be combined above, describe such system, wherein welding system comprises: the source of welding current; Silk feeder; Welding gun, described welding gun operationally communicates with described silk feeder, and described welding gun has the device controlling described silk feeder; Silk retraction program, described silk retraction program operationally communicates with described silk feeder, and described silk retraction program comprises: be used for determining when that the device of described control described silk feeder has passed the signal along to the checkout gear that described silk feeder stops sending to described welding wire; And after described silk feeder has stopped sending described welding wire to, pass the signal along to described silk feeder to retract at least in part described welding wire, described silk retraction program gives prominence to a distance of distance based on the approximate welding rod of dynamically retracting of at least one in following parameter described program be operable: welding arc electric current, wire size, welding wire feed rate and return the burning time.
Equally within the scope of this invention be the method for settling such welding equipment, described welding equipment does not have from movable wire retraction program and is provided for amendment welding equipment thus the device be activated from movable wire retraction program.
When reading accompanying drawing, specific descriptions and claims, these and other objects of the present invention will be obvious.
brief Description Of Drawings
The present invention can have concrete form in the layout of specific part and each several part, and the preferred embodiments of the invention will be described in detail in the description and be illustrated in the accompanying drawings, and accompanying drawing forms a part of the present invention, and in the accompanying drawings:
Fig. 1 is the three-dimensional view of welding equipment;
Fig. 2 is the side view of the welding gun of Fig. 1;
Fig. 3 a-Fig. 3 c is the cross sectional view of the amplification of nozzle by Fig. 2;
Fig. 4 a-Fig. 4 c is the cross sectional view of the amplification of another nozzle embodiment;
Fig. 5 a-Fig. 5 c is and the cross sectional view of the amplification of another nozzle embodiment;
Fig. 6 a-Fig. 6 c is the side view of the ignition tip of interchangeable welding gun;
Fig. 7 is the flow chart of the embodiment illustrated from movable wire retracting method;
Fig. 8 is the flow chart of the method illustrated for revising welding equipment; And
Fig. 9 is that ignition tip gives prominence to illustrating of (" ESO ") to workpiece distance (" CTWD ") and welding rod;
Figure 10 is feed rate of welding wire (WFS-feet per minute), ignition tip describes to the diagram of the relation between workpiece distance (" CTWD ") and welding current.
Detailed description of the invention
Now by for the object illustrating the known optimal mode of the applicant when submitting present patent application, describing and implementing optimal mode of the present invention.Embodiment and accompanying drawing are only exemplary and do not mean that and will limit the present invention, and the present invention is weighed by the scope and spirit of claim.As used herein, following term will have following implication.
Term " ignition tip is to workpiece distance " or " CTWD " mean the distance between ignition tip end (namely as the 144a illustrated illustrated in Fig. 9) and the horizontal plane of weld seam position workpiece.
Term " welding rod give prominence to " or " ESO ", illustrate as illustrated in Fig. 9, the distance between the distal tip meaning ignition tip end (i.e. 144a) and welding rod (136).
Term " close " means the measured deviation of no more than about 0.125 inch of the horizontal plane from nozzle end or ignition tip end.
Referring now to accompanying drawing, content shown in it is only for illustrating the object of the preferred embodiments of the invention instead of the object for restriction the preferred embodiments of the invention, illustrate as illustrated in fig. 1, welding equipment 100 comprises the source of welding current 102, silk feeder 104 and gas supply device 106.The source of welding current 102 comprises electric power cable 108, controls cable 110 and power supply unit cable (not shown).Electric power cable 108 comprises the ground wire and clip 112 that are connected to workpiece and the electric power cable 114 being configured to be connected to a feeder 104.Control cable 110 can be configured to be connected to a feeder 104.In another embodiment (not shown), control cable 110 and can be configured to wireless.Understand, the source of welding current 102, electric power cable 108 and control cable 110 and can have any configuration being suitable for supplying electric power and welding and controlling to welding equipment 100.
Illustrate further in FIG, gas pipeline 116 and adjuster 118 are configured to gas supply device 106 to be connected to a feeder 104.Gas supply device 106 can comprise inert gas, active gases or the combination of the two, includes but not limited to, argon, helium, carbon dioxide, argon and helium, argon and hydrogen and other combination of gases.In another embodiment (not shown), welding equipment 100 uses such welding wire, and described welding wire is covered with the material forming gas shield when burned, and therefore in all embodiments, gas supply device can be optional.Understand, gas supply device can for being configured to protection weld seam not by any gas of atmospheric effect or the combination of gas.
As shown in fig. 1, silk feeder 104 can comprise housing 120, transmission case 122, silk reel assemblies 124 and user interface 126.From transmission case 122 extension is flexible pipe 128, and flexible pipe 128 is configured to be connected to welding gun 130.Housing 120 can be connected to user interface 126 and transmission case 122.In addition, from the source of welding current 102 extend control cable 110 and electric power cable 114 and from gas supply device 106 extend gas pipeline 116 be configured to be connected to housing 120, transmission case 122 and flexible pipe 128.Transmission case 122 comprises at least multiple roller (not shown) and silk guide member (not shown), and the plurality of roller advances and welding wire (not shown) of retracting, and this guide member controls welding wire.Understand, silk feeder 104 can have any configuration being suitable for receiver gases supply, power supply supply and welding and controlling.
What extend between transmission case 122 and welding gun 130 is such flexible pipe 128, and this flexible pipe 128 welding wire that is operably connected is connected with fiber tube road, gas line (if asked) and welding gun trigger switch.In another embodiment (not shown), as discussed above, flexible pipe 128 does not comprise gas line.In another embodiment (not shown) again, flexible pipe 128 can comprise control cable, and this control cable is configured to connect welding gun 130 at least one in following: the source of welding current 102, silk feeder 104 and gas supply device 106.Flexible pipe 128 can have any diameter and length that are configured to comprise the connection of welding wire, air hose and switch.Flexible pipe 128 is made up of any material being suitable for welding surroundings.Understand, flexible pipe 128 and welding gun 130 can have any configuration being suitable for welding wire, welding gas and control to be provided by flexible pipe and arriving welding gun.
In the embodiment illustrated of welding equipment 100, user interface 126 comprise following at least one: control system, there is enough disposal abilities realize and/or the computer (being at least CPU alternatively) of runs software program and setting program.Such as, user interface 126 on welding equipment 100 comprises from movable wire retraction program, should be configured to make the transmission case 122 on a feeder 104 reverse from movable wire retraction program, the welding wire (not shown) therefore exposed is retracted from the opening portion of welding gun or end at least in part.Be designed to prevent welding person to be exposed to the potential tip (sharp end) of welding wire from movable wire retraction program, opening portion or the end of welding gun 130 may be given prominence to or extend beyond in the potential tip of this welding wire.Can for cryptoguard from movable wire retraction program, thus overseer and other administrative staff can keep the control from movable wire retraction program.
In an initial implementation scheme of the present invention described in the present patent application, compare from movable wire retraction program and interrupt the use of welding equipment 100 very first time amount predetermined more than one and once meet and/or exceed the time delay between predetermined time delay welding person, being retracted from the opening portion of welding gun or end by welding wire at least in part from movable wire retraction program reaches one second time quantum (reversed time).Such as, user interface 126 comprise retract time delay be set first arrange and welding wire retract the time be set second arrange.After carrying out these and arranging, if the use of welding person's interrupting device reach one more than or the time quantum of very first time amount that equals to specify, silk feeder makes welding wire retract to reach one second time quantum (or below being equal to illustrated distance illustrated).
In another initial implementation scheme of the present invention described in the present patent application, when the use that welding person interrupts welding equipment 100 is more than the one first Delay time area of a room, be configured to make welding wire to retract from the opening portion of welding gun or end a predetermined and fixing distance from movable wire retraction program.Such as, user interface 126 comprise retract time delay be set first arrange and retraction distance be set second arrange.
In another initial implementation scheme again of the present invention described in the present patent application, once the use that welding person interrupts welding equipment 100 was measured more than a very first time, then be configured to make at least in part welding wire to retract, until the end of sensing system (not shown) instruction welding wire is in the safety zone (not shown) in welding gun 130 from the opening portion of welding gun or end from movable wire retraction program.Such as, from movable wire retraction program, welding wire is retracted, until sensor is activated, wherein the end of sensor instruction welding wire is comprised in both nozzle, ignition tip (not shown) or nozzle and ignition tip.Will be discussed further below from movable wire retracting method for welding equipment.What understand is, user interface and can configuring by any way from movable wire retraction program, thus the end of welding wire in welding equipment is retracted in a part for welding gun at least in part, such as, ignition tip and nozzle, therefore welding person can not be exposed to potential sharp-pointed welding wire.
As shown in Figure 2, flexible pipe 128 is configured to be connected to welding gun 130, near torch handle 132.Trigger 134 on handle 132 is configured to welding wire 136 to advance past flexible pipe 128 and handle 132 from the transmission case (not shown) of silk feeder, and advances along neck 138 and nozzle 140 further.Nozzle 140 is configured to be attached to neck 138 removedly.In addition, trigger 134 can be configured to control welding protection gas.Such as; when welding person's actuating trigger 134; welding wire 136 from nozzle 140 extend and welding wire protective gas around welding wire (namely; trigger is moved to the position of activation from the unactivated position of acquiescence; the unactivated position of described acquiescence typically has the trigger extended completely, the trigger that the position of described activation typically has completely or is pressed at least partly).In another embodiment (not shown), neck 138 can have longer or shorter length and can bend with the angle different from the content shown in Fig. 2.Understand, welding gun 130 can have and is suitable for any configuration that welding person controls the propelling of welding wire and the supply of welding protection gas.
In one embodiment, divide (boss) 142 as the illustrated nozzle 140 illustrated in fig. 2 comprises insulative projection, insulative projection divide 142 be configured to prevent heat and electrical contact from nozzle 140 be delivered to following at least one: neck 138 and torch handle 132.Within nozzle 140, ignition tip 144 is configured to be attached to neck 138 removedly.Ignition tip 144 is configured to the center guide welding wire 136 along nozzle 140 further and allows welding gas to leave from gas passage 146, to protect welding wire 136 not by surrounding environment influence.In another embodiment (not shown), welding gun comprises handle 132, trigger 134, neck 138, ignition tip 144 and gas passage 146.In this configuration, welding gun 130 does not comprise nozzle 140.Understand, nozzle 140 can have and is suitable for any configuration that welding person controls the supply of welding wire and welding protection gas.
Fig. 3 a-Fig. 3 c is the cross sectional view of the amplification of the nozzle 140 of Fig. 2, and wherein ignition tip 144 is configured in the end 140a of nozzle 140.Fig. 3 a-Fig. 3 c series illustrates the embodiment how welding equipment 100 when using from movable wire retraction program is configured to operate.For the object of this embodiment, Fig. 3 a illustrates the cross section of the nozzle 140 of initial weld situation before welding person uses welding equipment 100.Fig. 3 a illustrates the nozzle 140 with the welding wire 136 extended from ignition tip 144, and wherein welding wire 136 and ignition tip 144 are completely in the end 140a of nozzle 140.Fig. 3 b illustrates the nozzle cross-section after welding person uses welding equipment 100.As shown in fig 3b, welding wire 136 extends beyond the end 140a of nozzle 140, makes welding person be exposed to the end of welding wire 136 potentially.Illustrate as illustrated in Fig. 3 c, by enabling from movable wire retraction program via user interface 126, welding equipment 100 is configured to, when welding person stops welding reaching fixed time amount, make the end of welding wire 136 automatic retraction in the end 140a of nozzle 140.Such as, if welding person stops welding reaching 20 seconds, then will make weldering retraction silk from movable wire retraction program, therefore make it be exposed to welding person.In another embodiment (not shown), the illustrated content illustrated in Fig. 3 a-Fig. 3 c can is longer than or be shorter than to nozzle and ignition tip.Understand, welding equipment 100 can utilize and configure from movable wire retraction program, thus when welding person stops welding reaching fixed time amount, welding wire is at least retracted in the end 140a of nozzle 140.Time above-mentioned is only for exemplary object, and the longer and shorter time period all within the scope of the invention.Although the retraction completely of welding wire 136 is illustrated, the present invention comprises such embodiment, wherein welding wire only partly illustrated its extension state retraction illustrated from Fig. 3 b.In this aspect of the invention, welding wire still can extend beyond end 140a, but the position of not illustrated explanation in Fig. 3 b.
Fig. 4 a-Fig. 4 c is the amplification cross sectional view of the nozzle 140 of Fig. 2, and wherein ignition tip 144 is configured to the end 140a extending through nozzle 140.With Fig. 3 a-Fig. 3 c series is similar above, Fig. 4 a-Fig. 4 c series illustrates the embodiment how welding equipment 100 when using from movable wire retraction program is configured to operate.Similarly, for the object of this embodiment, Fig. 4 a illustrates the cross section of the nozzle 140 of initial weld situation before welding person uses welding equipment 100.Fig. 4 a illustrates nozzle 140 and ignition tip 144, and wherein welding wire not to extend and ignition tip 144 extends through the end 140a of nozzle 140 from ignition tip 144.Fig. 4 b illustrates the nozzle cross-section after welding person uses welding equipment 100.As shown in fig. 4b, welding wire 136 extends from the end of ignition tip 144, welding person is exposed to potentially the end of welding wire 136.Illustrate as illustrated in Fig. 4 c, by enabling from movable wire retraction program via user interface 126, welding equipment 100 is configured to, when welding person stops welding reaching fixed time amount, make the end of welding wire 136 automatic retraction in the end of ignition tip 144.In another embodiment (not shown), the illustrated content illustrated in Fig. 4 a-Fig. 4 c can is longer than or be shorter than to ignition tip.In the mode consistent with the description that Fig. 3 a-Fig. 3 c is associated, whole retractions of welding wire 136 do not require, but the retraction that the illustrated description illustrated is at least part of from Fig. 4 b is requirement.
Fig. 5 a-Fig. 5 c is the amplification cross sectional view of another embodiment of the nozzle 140 of Fig. 2, and wherein ignition tip 144 is configured in the end 140a of nozzle 140.In addition, nozzle comprises at least one sensor 148, and at least one sensor 148 described is configured to the position indicating welding wire 136.At least one sensor can comprise at least one in following proximity transducer: machinery, electrically, optics, laser, ultrasonic etc.Fig. 5 a-Fig. 5 c series illustrates the embodiment how welding equipment 100 when using when having at least one sensor from movable wire retraction program is configured to operate.Fig. 5 a illustrates the cross section of the nozzle 140 of initial weld situation before welding person uses welding equipment 100.Fig. 5 a illustrates nozzle 140 and ignition tip 144, and wherein welding wire not to extend and at least one sensor 148 does not sense welding wire 136 from ignition tip 144.Fig. 5 b illustrates the nozzle cross-section after welding person uses welding equipment 100.As illustrated in fig. 5b, welding wire 136 extends beyond end and the ignition tip 144 of nozzle 140, makes welding person be exposed to the end of welding wire 136 potentially.By enabling from movable wire retraction program via user interface 126, welding equipment 100 is configured to stop making automatic retraction in the end 140a of the end of welding wire 136 at nozzle 140 during welding welding person.As illustrated in fig. 5 c, welding wire is by retraction until welding wire activates at least one sensor 148, and the end of instruction welding wire is in nozzle 140 or in ignition tip 144.In another embodiment (not shown), the illustrated content illustrated in Fig. 5 a-Fig. 5 c can is longer than or be shorter than to ignition tip.In another embodiment (not shown) again, the number of sensor 148 can be the number few or more than the number illustrated illustrated in Fig. 5 a-Fig. 5 c.Consistent with the discussion that accompanying drawing is before associated, all retract and do not require, but the retraction that the illustrated position extended completely illustrated is at least part of from Fig. 5 b is an aspect of of the present present invention.
Fig. 6 a-Fig. 6 c is the side view of the ignition tip 144 of interchangeable welding gun, and wherein welding gun (not shown) does not comprise nozzle, and therefore whole ignition tip 144 is exposed.Fig. 6 a-Fig. 6 c series illustrates when using from movable wire retraction program, and how welding equipment 100 is configured to the embodiment operated.Fig. 6 a illustrates the side view of the ignition tip 144 of initial weld situation before welding person uses welding equipment 100.Fig. 6 a illustrates that wherein welding wire does not extend from the ignition tip 144 exposed.Fig. 6 b illustrates the side view of ignition tip 144 after welding person uses welding equipment 100.As shown in figure 6b, welding wire 136 extends from the end of ignition tip 144, welding person is exposed to potentially the end of welding wire 136.As illustrated in Fig. 6 c, by enabling from movable wire retraction program via user interface 126, welding equipment 100 is configured to, when welding person stops welding reaching fixed time amount, make the end of welding wire 136 automatic retraction in the end of ignition tip 144.In another embodiment (not shown), consistent with discussion before, the illustrated content illustrated in Fig. 6 a-Fig. 6 c can is longer than or be shorter than to ignition tip.
Fig. 7 is the flow chart of the embodiment from movable wire retracting method 700 illustrated for welding equipment 100.As shown in Figure 7, energising is configured at 702 welding equipments.704, have and determine whether user attempts to be entered by user interface or computer to arrange menu from the computer of movable wire retraction program.If just attempting to enter to arrange menu 704 users, then determining whether arrange menu is locked at optional 706 computers.If arrange menu optional 706 to be locked, then determine whether user inputs correct password at 708 computers.If arrange menu to be locked and user does not input correct password, then stop access parameters at 710 computers and previous user's Interface Options is returned to user.If arrange menu to be locked and user have input correct password really, then users are allowed to access parameters to enable or disable from movable wire retraction program at 712 computers.Enable or disable after movable wire retraction program and any relevant parameter user, at 714 computers, previous user's Interface Options is returned to user.Such as, user can regulate at least one in following parameter, comprising: time delay of retracting, time of retracting, retract distance and proximity transducer parameter.
If do not attempt to enter to arrange menu 704 users, then whether be activated at 716 computer determination welding gun triggers.If welding gun trigger is not activated and welding equipment has electric power, then wait until welding gun trigger is activated or user attempts to enter and arranges menu at 718 computers.If be activated at 716 welding gun triggers, then start and source of welding current supply electric power at 720 feeders.722, whether computer determination welding gun trigger is disabled.If welding gun trigger does not have disabled, then at 724 computer monitoring welding gun triggers.When 722 welding gun triggers are disabled, whether extinguished at 726 computer determination welding arcs.If do not extinguished at 726 welding arcs, then at 728 computer monitoring welding arcs.
When being extinguished at 726 welding arcs, waiting time delay followed the trail of by computer, and determines waiting time postpones whether be greater than the retraction time delay set in user interface 730.Such as, retracting time delay can for any time being greater than zero.If waiting time delay is less than the retraction time delay set in user interface, then computer continues monitoring waiting time delay.If waiting time postpones the retraction time delay at least equaling to set in user interface, then check whether welding gun trigger is activated at 732 computers.If be activated at 732 welding gun triggers, then start and source of welding current supply electric power at 720 feeders.If not to be activated and waiting time postpones at least to equal retraction time delay of setting in user interface at 732 welding gun triggers, then 734 from movable wire retraction program based on user's interface parameter retraction welding wire.Such as, welding wire can be retracted and be reached a time quantum or distance to a declared goal.736, whether computer determination welding gun trigger is activated.If be activated at 736 welding gun triggers, then start and source of welding current supply electric power at 720 feeders.If be not activated at 736 welding gun triggers, then return the method incipient stage at 704 places at 738 computers.Be important to note that, during time delay of retracting, activated trigger is possible, and this can restart welding operation, is used 732 as welding gun trigger.Before restarting welding, wait retraction section time delay is completely unrequired.
In another embodiment of described method, computer for the transmission case CD-ROM drive motor on overcurrent or torque monitoring silk feeder, wherein overcurrent or torque can indicate to from the relevant problem of movable wire retracting method.Under any circumstance, can be so configured it is to be understood that use from the welding equipment 100 of movable wire retracting method 700, so that when welding person stops welding reaching fixed time amount, welding wire is at least retracted in the end 140a or ignition tip 144 of nozzle 140.
For welding equipment 100 in another embodiment (not shown) again of movable wire retracting method 700, method 700 comprises at least one in following method step.If welding gun trigger is activated, then silk feeder starts and source of welding current supply electric power.Computer is configured to determine that whether welding gun trigger is disabled.If welding gun trigger does not have disabled, then computer monitoring welding gun trigger.Alternatively, when welding gun trigger is disabled, whether computer determination welding arc is extinguished.If welding arc is not extinguished, then computer monitoring welding arc.Once welding arc is extinguished, then computer is configured to follow the trail of waiting time delay and determines waiting time postpones whether be greater than the retraction time delay set in user interface.If waiting time delay is less than the retraction time delay set in user interface, then computer continues to count waiting time delay.If waiting time postpones the retraction time delay at least equaling to set in user interface, then computer checks whether welding gun trigger is activated.If welding gun trigger is activated, then silk feeder starts and source of welding current supply electric power.If welding gun trigger is not activated and waiting time postpones at least to equal retraction time delay of setting in user interface, then from movable wire retraction program retraction welding wire.About the ability of restarting welding operation in retraction time delay during section, similar explanation is applicatory.
Fig. 8 is the flow chart of the embodiment from movable wire retracting method illustrated for transforming or revise welding equipment.As shown in FIG. 8,802, do not have and be placed from the welding equipment of movable wire retraction program.804, welding equipment that is manufactured or that sell utilizes and is transformed from movable wire retraction program or revise.Such as, at least one in following is added to welding equipment or is modified in welding equipment, comprising: software program, hardware, relay, printed circuit board (PCB), wire harness, user interface etc.
Computer maybe can comprise a kind of possible hardware configuration having and illustrate from the user interface 126 of the computer of movable wire retraction program and support system and method described herein (comprising said method 700 and 800).In order to provide the additional context content of each aspect of the present invention, discussion below intention provides each aspect of the present invention can the concise and to the point large volume description of effective applicable computing environment.Those of skill in the art will it is contemplated that the present invention can also be implemented in conjunction with other program modules and/or be implemented as the combination of hardware and software.Usually, program module comprises the routine, program, parts, data structure etc. that perform particular task or realize particular abstract data type.
In addition, it will be understood by those of skill in the art that, the method of innovation can utilize other computer system configurations to put into practice, comprise uniprocessor or multiprocessor computer system, mini-computer, host computer and personal computer, handheld computing device, based on microprocessor or programmable consumption electronic products etc., each equipment that can be operatively coupled to one or more and be associated in aforementioned.The aspect illustrated of the present invention can also be put into practice in the DCE by the remote processing devices execution particular task by communication network links.In a distributed computing environment, program module can be arranged in local and remote both memory storage device.
Exemplary environments can be used to implement each aspect of the present invention with the user interface 126 be associated from movable wire retraction program, comprise computer, its Computer comprises processing unit, system storage and system bus.System bus coupled system parts, include but not limited to, system storage is to processing unit.Processing unit can be any one in various commercially available processor.Dual micro processor and other multiple processor structures also can be used as processing unit.
System bus can be any one in some types of bus structure, comprises the memory bus of any one in the various commercially available bus architecture of use or Memory Controller, peripheral bus and local bus.System storage can comprise read-only storage (ROM) and random access memory (RAM).Basic input output system (BIOS) is stored in ROM, and this basic input output system comprises the basic routine such as helping to transmit information between the element in computer between the starting period.
Computer maybe can comprise having and to may further include hard disk drive, disc driver (such as reading or the moveable dish of write from moveable dish) and CD drive (such as read CD-ROM dish or from the reading of other optical mediums or write other optical mediums) from the user interface 126 of the computer of movable wire retraction program.Computer maybe can comprise the computer-readable medium having and can comprise at least some form from the user interface 126 of the computer of movable wire retraction program.Computer-readable medium can be can by any available medium of computer access.The unrestriced mode with embodiment, computer-readable medium can comprise computer storage media and communication media.The volatibility that computer storage media comprises in any method or technology realizes and non-volatile, removable and non-removable medium, carry out the storage of information (such as, computer-readable instruction, data structure, program module or other data).Computer storage media comprises, but be not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital universal disc (DVD) or other magnetic holder equipment, or can be used to store information needed and any other medium can accessed by user interface 126.
Communication media usually comprises other data in the data-signal (such as carrier wave or other transmission mechanisms) of computer-readable instruction, data structure, program module or modulation and comprises any information transmitting medium.Term " data-signal of modulation " refers to such signal, described signal make its feature one or more be set by this way or change, thus the information in described signal of encoding.The unrestriced mode with embodiment, transmission medium comprises wire medium (such as cable network or straight line connect) and wireless medium (such as acoustics, RF, infrared and other wireless mediums).The combination of above-mentioned any content also should be included in the scope of computer-readable medium.
Many program modules can be stored in driver and RAM, comprise operating system, one or more application program, other program modules and routine data.Operating system in computer or user interface 126 can be any one in much commercially available operating system.
In addition, order and information can be input in computer by keyboard and positioning equipment (such as, mouse) by user.Other input equipments can comprise microphone, IR Long-distance Control, trace ball, pen input device, control stick, cribbage-board (game pad), digitizing tablet, disk like satellite signal receiver (satellite dish), scanner etc.These and other input equipments are connected to processing unit by the serial port interface being coupled to system bus usually, but can be connected by other interfaces, such as parallel port, game port, USB (" USB "), IR interface and/or various wireless technology.The display device of watch-dog or other types also can pass through interface (such as, video adapter) and be connected to system bus.Visual output can also be realized by long-range display procotol, such as RDP (Remote Desktop Protocol), VNC, X-window system (X-Window System) etc.Except visual output, computer generally comprises other peripheral output devices, such as loudspeaker, printer etc.
Display can use together with user interface 126, presents electronically from the data that processing unit receives.Such as, display can for electronically presenting the LCD, plasma, CRT watch-dog etc. of data.Alternatively or in addition, display can present with hard copy format (such as, printer, fax, draught machine etc.) data received.Display can present data with any color and can receive data via any wireless or hardwire agreement and/or standard from user interface 126.
Computer can use the logic of one or more remote computer (such as, one or more remote computer) and/or physical connection operates under the environment of networking.This one or more remote computer can be work station, server computer, router, personal computer, the amusement equipment based on microprocessor, reciprocity device or other common network node, and generally include about computer describe element in many or whole.The logic described connects and comprises LAN (LAN) and Wide Area Network (WAN).Such networked environment in an office, be quotidian under enterprise-wide computing, in-house network and internet.
When using under LAN networked environment, computer is connected to localized network by network interface or adapter.When using under WAN networked environment, computer generally includes modem or be connected to the communication server on LAN, or has for other devices in the upper foundation communication of WAN (such as internet).Under the environment of networking, the program module described about computer or its part can be stored in remote memory storage devices.Will be appreciated that network described herein connects to be exemplary and other means setting up communication linkage between the computers can be used.
As discussed above, retraction time or distance are fixed to software retraction program based on the user's input typically via user interface 126.But although this characterizes the progress relative to prior art, the dynamic retraction time (or distance of dynamically retracting) based on wire size and/or wire speed and/or average current provides more excellent solution.As aforesaid solution, the retraction time and/or distance do not require that welding wire tip is fully retracted, but only when welding operation is interrupted from its distance retraction at least some distance extended completely.
Illustrate illustrated in Figure 10, fixing retraction time and/or fixing retraction distance are not suitable for changing the change of ignition tip to workpiece distance.Dynamic solution, described dynamic solution consider following at least one (namely, arc current, wire size, wire speed, return burning time and/or process end (process tip)) determine the amount of the welding wire given prominence to from the opening portion of welding gun, the combination of parameter (or at least above) provides the static unavailable advantage of solution.When welding operation stops no matter welding wire extrusion position (ESO) how, welding wire is preferably retracted into it and is positioned in most advanced and sophisticated near welding gun or between ignition tip and nozzle point.If welding wire is retracted too far away, next welding can be merely deferred until and obtain the distance of suitable ignition tip to workpiece.If welding wire is not retracted enough far away, welding wire will from the outstanding distance of welding gun assembly, and described distance can not obtain all security aspects of the present invention.Figure 10 also illustrates the interactivity of welding wire between the welding current and ignition tip to workpiece distance of various welding wire feed rate for given diameter.This relation can limit for any combination of variable, and the impact of welding material difference is described.Retraction amount can be adopted based on the mathematical equation of the curve characterized by Figure 10 or by from the value interpolation of tables of data or its combination.
Utilize Figure 10 as the non-limiting example illustrated further, suppose that correct welding procedure is used, user 200 amperes the welding of average welding current place and use the welding wire feed rate of 300 inch per minute clocks that software will be made automatically to determine average ignition tip will be about 1.125 to the distance of workpiece ".Therefore, the retraction distance between about 1-1.125 inch is suitable for retraction distance, after welding operation completes and any subsequently with the contact of weld tip, the clothes being not enough to penetrate welding person given prominence to by the welding rod of about 0.125 inch.
Although describe the present invention with reference to some embodiment, it will be apparent to one skilled in the art that and can carry out various change and equivalent can be replaced, and do not depart from scope of the present invention.In addition, many amendments can be carried out and be applicable to instruction of the present invention to make particular condition or material, and not depart from its scope.Therefore, be not intended to limit the invention to disclosed particular, the present invention will comprise all embodiments fallen in the scope of appended claims.
Ref. No.:
100 welding equipment 148 sensors
102 power supply 700 methods
104 feeder 702 steps
106 gas supply device 704 steps
108 electric power cable 706 steps
110 control cable 708 step
112 clip 710 steps
114 electric power cable 712 steps
116 gas pipeline 714 steps
118 adjuster 716 steps
120 housing 718 steps
122 transmission case 720 steps
124 reel assemblies 722 steps
126 user interface 724 steps
128 flexible pipe 726 steps
130 welding gun 728 steps
132 torch handle 730 steps
134 trigger 732 steps
136 welding wire 734 steps
138 neck 736 steps
140 nozzle 738 steps
140a end 800 method
142 ledge 802 steps
144 ignition tip 804 steps
146 gas passages
Claims (17)
1., from a movable wire retracting method, described method comprises:
Manual welding equipment (100) is provided, described manual welding equipment (100) has at least one source of welding current (102), is configured to supply the silk feeder (104) of welding wire (136) and have the welding gun (130) of trigger (134) and opening portion, and welding wire (136) extends from described opening portion;
There is provided have retract time delay from movable wire retraction program;
Configuring described manual welding equipment (100) comprises from movable wire retraction program;
Monitor when trigger (134) is activated to make welding wire (136) extend to described opening portion from silk feeder (104), and make described welding wire (136) extend to outside the described opening portion of described welding gun (130);
Determine the very first time amount when described trigger (134) is disabled;
Determine when that amount of the described very first time at least equals described retractions time delay, wherein during the described very first time measures, described trigger (134) is disabled; And
At least in part described welding wire (136) to be retracted in the described opening portion of described welding gun (130) one to retract distance or reach the retraction time, described step of dynamically retracting at least in part is based at least one in following parameter: welding arc electric current, wire size, welding wire feed rate and return the burning time.
2. the method for claim 1, wherein
Step in the described described opening portion described welding wire (136) being retracted into described welding gun (130) is configured to retraction and reaches a retraction time or a retraction distance; And wherein
The described retraction time is dynamically regulated in movable wire retraction program described, and/or wherein
Described retraction distance is dynamically regulated in movable wire retraction program described.
3. method as claimed in claim 1 or 2, wherein
After step in the described described opening portion being retracted into described welding gun (130) at least in part, described welding gun (130) comprises the nozzle (140) with nozzle-end (140a) and ignition tip (144), and wherein said welding wire (136) does not extend through described nozzle-end (140a), and/or wherein said welding wire (136) is retracted within described nozzle-end (140a), and/or wherein said welding wire (136) extends beyond nozzle-end (140a), but be less than and give prominence to distance at the welding rod of weld period, and/or wherein said welding wire (136) is retracted within described ignition tip (144), and/or wherein said welding wire (136) extends beyond ignition tip (144), but be less than in the distance of weld period ignition tip to welding wire.
4. the method as described in any one in claim 1-3, wherein
After step in the described described opening portion being retracted into the described welding gun (130) comprising ignition tip (144) at least in part, described welding wire (136) does not extend through described ignition tip (144).
5. the method as described in any one in claim 1-4, described method is further comprising the steps of:
By at least one parameter of at least one sensor (148) perception, described at least one sensor (148) is configured to the end indicating described welding wire, and at least one sensor parameters wherein said and described step of retracting at least in part are configured to determine when that described retraction step completes.
6. a method, described method comprises:
There is provided and be configured to supply the manual welding equipment (100) of welding wire (136) to welding gun (130), wherein said welding gun (130) has trigger (134) and opening portion, and when described trigger (134) is activated, described welding wire (136) extends from described opening portion;
There is provided the computer with user interface (126), described user interface (126) comprises from movable wire retraction program;
Monitor described welding gun (130);
During described monitoring step, determine when that described trigger (134) is being activated or disabled position;
Determining that described trigger (134) is after disabled position, adopting described the execution from movable wire retraction program of configuration to compare, when meet first condition to indicate; And
After the step of described comparison, retract at least in part described welding wire (136), described step of dynamically retracting at least in part is based at least one in following parameter: welding arc electric current, wire size, welding wire feed rate and return the burning time.
7. method as claimed in claim 6, wherein
Described first condition is by the retraction time delay dynamically regulated.
8. method as claimed in claims 6 or 7, further comprising the steps of:
Determine the very first time amount that described trigger (134) is disabled, and, further
Determine when that amount of the described very first time at least equals described retraction time delay.
9. the method as described in any one in claim 6-8, also comprises
At least one sensor (148) and
Configure described user interface (126) and comprise described retraction time delay and the dynamic pickup parameter at least one sensor (148), wherein said at least one sensor (148) is configured to the end indicating described welding wire (136), and wherein said sensor parameters and described step of retracting at least in part are configured to indicate the step when stopping described retraction.
10. the method as described in any one in claim 6-9, wherein
The described opening portion of described welding gun (130) comprises nozzle (140), and described nozzle (140) has nozzle-end (140a) and ignition tip (144), wherein
Described welding wire (136) does not extend through nozzle-end (140a) at the end of described step of retracting at least in part.
11. methods as described in any one in claim 6-10, wherein
The described opening portion of described welding gun (130) comprises ignition tip (144), wherein
Described welding wire (136) is retracted within described ignition tip (144) at the end of described step of retracting at least in part.
12. methods as described in any one in claim 6-11, wherein
The described opening portion of described welding gun (130) comprises ignition tip (144), wherein
Described welding wire (136) is retracted into a distance at the end of described step of retracting at least in part, and described distance is less than ignition tip and gives prominence to distance to the distance of workpiece or welding rod.
13. 1 kinds use employing trigger (134) to carry out the welding torch of propulsion solder wire (136) to improve the method for the security of welding operation, said method comprising the steps of:
Pressing described trigger (134) advances described welding wire (136) to initiate welding operation;
Discharge the described propelling that described trigger (134) stops described welding wire (136);
Detecting described trigger (134) is in the position of release;
Wait the first paragraph time;
By the described first paragraph time compared with predetermined waiting time;
When the described first paragraph time exceeds described predetermined waiting time, described welding wire (136) of retracting at least in part; And
The step of retracting at least in part described in continuation reaches the second segment time, and the step of step of dynamically retracting at least in part described in described continuation is based at least one in following parameter: welding arc electric current, wire size, welding wire feed rate and return the burning time.
14. 1 kinds of methods for welding operation, described method uses the welding torch adopting trigger (134) to come propulsion solder wire (136), said method comprising the steps of:
Pressing described trigger (134) advances described welding wire (136) to initiate welding operation;
Discharge the described propelling that described trigger (134) stops described welding wire (136);
Detecting described trigger (134) is in the position of release;
Detecting that described trigger (134) is described welding wire (136) of retracting at least in part after the position of release; And
Described step of dynamically retracting at least in part is based at least one in following parameter: welding arc electric current, wire size, welding wire feed rate and return the burning time.
15. 1 kinds of welding systems, described welding system comprises:
The source of welding current (102);
Silk feeder (104);
Welding gun (130), described welding gun (130) operationally communicates with described silk feeder (104), and described welding gun (130) has the device controlling described silk feeder (104);
Silk retraction program, described silk retraction program operationally communicates with described silk feeder (104), and described silk retraction program comprises:
Be used for determining when that the device of described control described silk feeder (104) has passed the signal along to the checkout gear that described silk feeder (104) stops sending to described welding wire (136);
Be used for measuring the comparator stopping the elapsed time sending between the described signal of described welding wire (136) and Preset Time; And
After described comparator determines that the described elapsed time has exceeded Preset Time, pass the signal along to described silk feeder (104) to retract at least in part described welding wire (136), described step of dynamically retracting at least in part is based at least one in following parameter described program be operable: welding arc electric current, wire size, welding wire feed rate and return the burning time.
16. 1 kinds of welding systems, described welding system comprises:
The source of welding current (102);
Silk feeder (104);
Welding gun (130), described welding gun (130) operationally communicates with described silk feeder (104), and described welding gun (130) has the device controlling described silk feeder (104);
Silk retraction program, described silk retraction program operationally communicates with described silk feeder (104), and described silk retraction program comprises:
Be used for determining when that the device of described control described silk feeder (104) has passed the signal along to the checkout gear that described silk feeder (104) stops sending to described welding wire (136); And
After described silk feeder (104) has stopped sending described welding wire to, pass the signal along to described silk feeder (104) to retract at least in part described welding wire (136), described silk (136) retraction program gives prominence to a distance of distance based on the approximate welding rod of dynamically retracting of at least one in following parameter described program be operable: welding arc electric current, wire size, welding wire feed rate and return the burning time.
17. 1 kinds of welding systems, described welding system comprises:
The source of welding current (102);
Silk feeder (104);
Welding gun (130), described welding gun (130) operationally communicates with described silk feeder (104), and described welding gun (130) has the device controlling described silk feeder (104);
Silk retraction program, described silk retraction program operationally communicates with described silk feeder (104), and described silk retraction program comprises:
Be used for determining when that the device of described control described silk feeder (104) has passed the signal along to the checkout gear that described silk feeder (104) stops sending to described welding wire (136); And
After the described signal arriving described silk feeder after a predetermined time stops sending described welding wire to, pass the signal along to described silk feeder (104) to retract at least in part described welding wire (136), described step of dynamically retracting at least in part is based at least one in following parameter described program be operable: welding arc electric current, wire size, welding wire feed rate and return the burning time.
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| US13/760,380 | 2013-02-06 | ||
| US13/760,380 US9498839B2 (en) | 2010-12-14 | 2013-02-06 | Welding apparatus with automated welding wire retraction |
| PCT/IB2013/000165 WO2013117987A2 (en) | 2012-02-10 | 2013-02-08 | Welding apparatus with automated welding wire retraction |
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2013
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- 2013-02-08 DE DE112013000930.7T patent/DE112013000930T5/en active Pending
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- 2013-02-08 KR KR1020147025178A patent/KR102077873B1/en active IP Right Grant
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2018
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| CN115255571A (en) * | 2022-07-27 | 2022-11-01 | 深圳市爱达思技术有限公司 | Welding wire extending length control method, device, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018149603A (en) | 2018-09-27 |
| JP6716194B2 (en) | 2020-07-01 |
| BR112014019148A2 (en) | 2017-06-20 |
| DE112013000930T5 (en) | 2015-01-15 |
| BR112014019148B1 (en) | 2019-01-02 |
| KR20140121882A (en) | 2014-10-16 |
| JP2015506847A (en) | 2015-03-05 |
| BR112014019148A8 (en) | 2017-07-11 |
| KR102077873B1 (en) | 2020-02-14 |
| WO2013117987A2 (en) | 2013-08-15 |
| WO2013117987A9 (en) | 2014-05-22 |
| CN104220204B (en) | 2018-04-24 |
| WO2013117987A3 (en) | 2014-02-06 |
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