CN109604773A - Inner wall temperature monitoring method and device when for non-melt pole electrical arc cylinder built-up welding - Google Patents
Inner wall temperature monitoring method and device when for non-melt pole electrical arc cylinder built-up welding Download PDFInfo
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- CN109604773A CN109604773A CN201811365292.3A CN201811365292A CN109604773A CN 109604773 A CN109604773 A CN 109604773A CN 201811365292 A CN201811365292 A CN 201811365292A CN 109604773 A CN109604773 A CN 109604773A
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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
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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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- 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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
- B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
- B23K9/048—Built-up welding on three-dimensional surfaces on surfaces of revolution on cylindrical surfaces
-
- 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
- B23K9/0953—Monitoring or automatic control of welding parameters using computing 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
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Inner wall temperature monitoring method and device when being used for the built-up welding of non-melt pole electrical arc cylinder the invention discloses one kind, the device include positioner, cylinder, welding gun and wire feeder, infrared temperature sensor, temperature sensor, temperature controller, computer and robot control cabinet etc..The detection method uses non-contact infrared temperature sensing mode, the back temperature of welding gun upright position cylinder inboard wall is acquired when to welding, and the dynamic changing curve of simultaneously displays temperature is recorded on computers, the difference of real-time monitoring detection temperature and preset temperature after the completion of one of weld seam, when difference is greater than preset value, computer is communicated by temperature acquisition controller with robot control cabinet, and welding parameter is adjusted, and guarantees that built-up welding interface fusion penetration is consistent.The formation for the defects of method and device of the invention can control the fusion penetration equivalent width of overlay cladding, can effectively reduce the ratio of matrix melts, guarantee that the performance of weld seam is uniform, reduce stomata, crackle, improves the welding quality of heap plumb joint.
Description
Technical field
The invention belongs to arc surfacing technical field, inner wall temperature when being related to one kind for the built-up welding of non-melt pole electrical arc cylinder
Monitoring method and device.
Background technique
Arc surfacing, due to the accumulation of heat input, will cause matrix melted mass during continuous heap on cylinder applies
Increase, and per pass weld seam arcing point temperature, the difference of radiating condition, lead to the uneven of the upper structure property of overlay cladding transverse direction,
Influence forming quality.On the other hand, due to the difference of heat accumulation and radiating condition, arc surfacing not can guarantee higher manufacture essence
Degree.And if the numerical value of welding current can be adjusted according to inner wall temperature after the completion of every one of weld seam, it is ensured that built-up welding circle
Face fusion penetration equivalent width can reduce base material dilution rate while guaranteeing joint quality, improve surfacing layer metal structure property
It is uniform, obtain better forming quality and higher dimensional accuracy.It is directed in the detection means of temperature at present, it is contactless red
Outer temperature sensing can not only guarantee to acquire the accuracy of information but also will not impact to welding process, be to realize back temperature inspection
The effective ways of survey.
It is less that relevant the relevant technologies are detected and controlled to arc surfacing process at present, patent welding temperature detection device,
Bonding machine and the calibration method of welding temperature (application number: 201310275348.7) disclose a kind of for part to be welded temperature detection
Device and detection method, the device can not be applied in electric arc increasing material manufacturing, and can not achieve the closed-loop control to welding process, together
Shi Wendu measurement uses contact temperature sensing mode, and when installation can destroy part to be welded.Patent circle justifies plasma surfacing wearing plate
Preheating and attemperator (application number: 201621116756.3) disclose a kind of for the pre- of cylinder plasma surfacing refractory plate
Heat, thermometric and attemperator, the device must assure that weld deposit process is continuous, be unable to control heat input accumulation, and structure is complicated,
Thermometric mode stability is poor.
Summary of the invention
The present invention is intended to provide a kind of be used for inner wall temperature monitoring method and device when the built-up welding of non-melt pole electrical arc cylinder.
To achieve the above object, one kind provided by the invention is used for inner wall temperature monitoring when the built-up welding of non-melt pole electrical arc cylinder
Device, comprising: infrared temperature sensor, the infrared temperature sensor are fixed on temperature detection loca by fixture II;Control
System processed, the control system control connection infrared temperature sensor and the welding system including welding robot;
Wherein, control system includes: to be filtered to temperature sensor signal in infrared temperature sensor and scales transforming
Temperature sensor;Temperature is shown and is exported by temperature controller in the form of performance graph the computer of control signal;Also
Including controlling the robot control cabinet of the welding system including welding robot for exporting and receiving control signal;Weldering
Welding system includes: welding robot, the plasma gun for being clamped in welding robot end;It further include by wire-feed motor and wire feeding mouth
Fixture I on plasma gun of the wire feeder of composition, fixed wire feeding mouth, fixed steel drum and match with welding robot
It amounts to the positioner for completing weld deposit process.
It is preferred that infrared temperature sensor uses non-contacting infrared thermometric.
It is preferred that the temperature signal that infrared temperature sensor acquires is converted and is shown in real time by temperature sensor
Show over the display;After the completion of one of weld seam, robot control cabinet output control signal calculates detection temperature and preset temperature
Difference DELTA T, as | Δ T | > T0When, computer exports control signal to robot control cabinet, adjusts welding current, increases or subtract
Small heat input guarantees that built-up welding interface fusion penetration is consistent.
Inner wall temperature monitoring method when providing one kind for the built-up welding of non-melt pole electrical arc cylinder, comprising the following steps:
Step 1, fixture II (12) are adjusted, infrared temperature sensor (13) is moved to temperature measuring positions, was being welded
The temperature information of welding gun corresponding position cylinder inner wall is acquired in journey in real time, and is filtered through temperature sensor, scales transforming, so
After be transmitted to computer, the dynamic changing curve of displays temperature numerical value and temperature;
Step 2, it completes one of heap to apply, i.e., after one circle of positioner rotation, robot control cabinet will control signal and adopt through temperature
Computer is input to after collection instrument conversion;
Step 3, computer be connected to robot control cabinet sending control signal after, computer start calculate detection temperature with
The difference DELTA T of preset temperature, if | Δ T | > T0, T0It is 10-50 DEG C, computer calculates new welding currentAnd robot control is passed to after issuing the conversion modulation that control signal passes through temperature controller
The input port of cabinet adjusts welding current according to calculated result control welding machine, is performed simultaneously down one of heap and applies instruction;
Step 4, step 2 is repeated to 3, is applied until completing heap.
It is preferred that in step 1, the temperature measuring positions are as follows: temperature detecting point is located at position vertical with welding gun
Set substrate back, infrared temperature sensor is fixed on cylinder axis horizontal position using fixture II, within the scope of the 10mm of upright position
Adjustable, specific location is adjusted according to cylinder thickness, and the angle of detection direction and horizontal direction is 30 °, infrared temperature sensor with
The distance between temperature detecting point is 380mm-400mm.
It is preferred that preset temperature is 1000-1400 DEG C.
It is preferred that k=0.1~0.5, specific value is determined according to welding material and cylinder thickness.
It is preferred that T0=10-50 DEG C, the maximum value for not making molding be deteriorated is taken, specific value is according to welding material
Determine with cylinder thickness.
It is preferred that the thickness of steel drum is less than or equal to 10mm.
It is preferred that steel drum material is medium carbon steel, 304 stainless steels and high-alloy steel.
The present invention compares have the following obvious advantages compared with the existing technology: 1, proposed by the present invention for non-melt pole electricity
Arc inner wall temperature in built-up welding on steel drum detects control method and device, can be realized to non-melt pole electrical arc in steel circle
On cylinder welding or increasing material manufacturing during plate temperature detection and closed-loop control.2, proposed by the present invention to be used for non-melt pole
Electric arc in built-up welding on steel drum inner wall temperature detection control method and device can when temperature gap is excessive by adjusting
Welding current makes the fusion penetration equivalent width of per pass weld seam, so that the structure property for controlling heap coating is uniform, reduces stomata, crackle
The defects of formation.3, the non-melt pole electrical arc inner wall temperature in built-up welding on steel drum that is used for of the invention detects control method
And device, heat input is controlled in the case where guaranteeing joint quality, can be reduced the ratio of matrix melts to a certain extent, is reduced
Dilution rate improves the stability of per pass weld bead height, improves the Forming Quality and dimensional accuracy of bead-on-plate weld, reduces subsequent mechanical
The difficulty of processing improves production efficiency.
Detailed description of the invention
Fig. 1 is non-melt pole electrical arc inner wall temperature detection control apparatus structural schematic diagram in built-up welding on steel drum.
1 is positioner, and 2 be steel drum, and 3 be wire feeding mouth, and 4 be fixture I, and 5 be plasma gun, and 6 be wire-feed motor, and 7 are
Welding robot, 8 be robot control cabinet, and 9 be temperature controller, and 10 be computer, and 11 be temperature sensor, and 12 be fixture
II, 13 be infrared temperature sensor.
Fig. 2 is the flow chart of temperature detection control method.
Fig. 3 is that the heap of overlay cladding applies path schematic diagram.
Fig. 4 is the macrograph using temperature measurement control system plasma arc surfacing part.
Fig. 5 is the macrograph for not using temperature measurement control system plasma arc surfacing part.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
The present invention is used for the inner wall temperature detection control apparatus of non-melt pole electrical arc built-up welding on steel drum, comprising:
Infrared temperature sensor 13, the infrared temperature sensor 13 are fixed on temperature detection position by fixture II12
It sets;Temperature measurement control system, the temperature measurement control system connection infrared temperature sensing 13 and welding robot 7;Its
In, control system includes: to be filtered to temperature sensor signal in infrared temperature sensor 13 and the temperature acquisition of scales transforming
Instrument 11;Temperature is shown and is controlled by the output of temperature controller 9 in the form of performance graph the computer 10 of signal;Further include
For exporting and receiving control signal, the robot control cabinet 8 of the welding system including welding robot 7 is controlled.
Welding system includes: welding robot 7;It is clamped in the plasma gun 5 of welding robot end;Including wire-feed motor
6 and wire feeding mouth 2 including wire feeder;Wire feeding mouth is fixed on plasma gun upper fixture I3;Match with welding robot and amounts to
With the two axis rotations-tilt bed positioner 1 for realizing cylinder built-up welding path.
It is specific to use, non-melt pole electrical arc welding platform: MOTOMAN MH6 arc welding robot and positioner 1, the source of welding current
For 3000 type welding machine of Fronius MagicWave, plasma control cabinet, DX100 control cabinet, plasma gun.Back temperature is pre-
If value is 1000-1400 DEG C, application condition value T0=10-50 DEG C, it is set with specific reference to the thickness of heap compress material and steel cylinder.It is each
Before road welding, both can occur sprawling wide, matrix superfusion, shadow to avoid heat input is too high according to inner wall temperature adjustment welding current
Forming quality and dimensional accuracy are rung, while heap will not be reduced again and apply efficiency.
Embodiment 1
It is provided by the invention it is a kind of for non-melt pole electrical arc on steel drum built-up welding inner wall temperature detection control dress
It sets, comprising: steel drum, plasma gun, infrared temperature sensor and its stationary fixture, temperature on positioner, positioner
Acquisition Instrument, temperature controller, computer, the robot control cabinet being connected with the temperature controller.The infrared temperature sensing
Device is used to detect the temperature information of welding gun relative position inner wall;The temperature sensor be used for the filtering of temperature sensor signal and
Scales transforming;Computer shows the temperature information converted through temperature sensor in the form of performance graph, and compares detection temperature
Degree and preset temperature calculate welding current value adjusted, output control signal;The temperature controller exists computer
Robot control cabinet is passed to after the converted modulation of control signal of line traffic control software.
In order to realize the purpose of foregoing invention, the present invention also provides a kind of using above-mentioned non-melt pole electrical arc in steel circle
The method that inner wall temperature detection control apparatus detects and controls built-up welding temperature when built-up welding on cylinder, which is characterized in that be able to carry out straight
Diameter is the temperature detection control of plasma arc weld deposit process on the Q235 steel cylinder of 10mm thickness of the H08Mn2Si welding wire of 1.0mm
System, the heap of overlay cladding apply path schematic diagram and see attached drawing 3, and specific implementation step is as follows:
Step 1, fixture II12 is adjusted, up and down adjustment infrared temperature sensor 13 makes temperature measuring point be located at the circle of vertical welding gun
Cylinder inner wall, distance 400mm, temperature sensor and welding gun are located at same perpendicular.Infrared temperature sensor in the welding process
The temperature information of welding gun corresponding position cylinder inner wall is acquired in real time, and is filtered through temperature sensor 11, scales transforming, then
It is transmitted to computer 10, the dynamic changing curve of displays temperature numerical value and temperature;
Step 2, it completes one of heap to apply, i.e., after one circle of the rotation of positioner 1, robot control cabinet 8 will control signal through temperature
Acquisition Instrument 11 is input to computer 10 after converting;
Step 3, after computer 10 is connected to the control signal of the sending of robot control cabinet 8, computer 10 starts to calculate detection
Temperature and 1000 DEG C of preset temperature of difference DELTA T, if | Δ T | > T0, T0=20 DEG C, computer 10 is according to formulaK=0.3 calculates welding current value adjusted, issues control signal and passes through temperature controller 9
Conversion modulation after pass to robot control 8 cabinets input port, according to calculated result control welding machine adjust welding current;Deng
Positioner 1 starts turning after ion welding gun 5 translates fixed range, welding gun starting the arc under new welding current, loads in wire tray
Welding wire controls stable feeding to non-melt pole electrical arc center by wire feeder 6, executes heap and applies;
Step 4, step 2 is repeated to 3, is applied until completing heap.
There is not the defects of discontinuous, stomata, weld bead height 2mm as shown in figure 4, its forming is good in overlay cladding.Deng
Ionic arc built-up welding, initial weld electric current are 150A, and it is 30cm/min, wire feed rate 1.6m/min, ion-gas that heap, which applies speed,
0.8L/min, protects gas 18L/min, and per pass weld seam translates 3mm.
Embodiment 2
It is provided by the invention it is a kind of for non-melt pole electrical arc on steel drum built-up welding inner wall temperature detection control dress
It sets, comprising: steel drum, plasma gun, infrared temperature sensor and its stationary fixture, temperature on positioner, positioner
Acquisition Instrument, temperature controller, computer, the robot control cabinet being connected with the temperature controller.The infrared temperature sensing
Device is used to detect the temperature information of welding gun relative position inner wall;The temperature sensor be used for the filtering of temperature sensor signal and
Scales transforming;Computer shows the temperature information converted through temperature sensor in the form of performance graph, and compares detection temperature
Degree and preset temperature calculate welding current value adjusted, output control signal;The temperature controller exists computer
Robot control cabinet is passed to after the converted modulation of control signal of line traffic control software.
In order to realize the purpose of foregoing invention, the present invention also provides a kind of using above-mentioned non-melt pole electrical arc in steel circle
The method that inner wall temperature detection control apparatus detects and controls built-up welding temperature when built-up welding on cylinder, which is characterized in that be able to carry out straight
Diameter is the temperature detection control of plasma arc weld deposit process on 45 steel steel cylinders of 8mm thickness of the S201 red copper welding wire of 1.2mm,
The heap of overlay cladding applies path schematic diagram and sees attached drawing 3, and specific implementation step is as follows:
Step 1, fixture II12 is adjusted, up and down adjustment infrared temperature sensor 13 makes temperature measuring point be located at the circle of vertical welding gun
Cylinder inner wall, distance 396mm, temperature sensor and welding gun are located at same perpendicular.Infrared temperature sensor in the welding process
The temperature information of welding gun corresponding position cylinder inner wall is acquired in real time, and is filtered through temperature sensor 11, scales transforming, then
It is transmitted to computer 10, the dynamic changing curve of displays temperature numerical value and temperature;
Step 2, it completes one of heap to apply, i.e., after one circle of the rotation of positioner 1, robot control cabinet 8 will control signal through temperature
Acquisition Instrument 11 is input to computer 10 after converting;
Step 3, after computer 10 is connected to the control signal of the sending of robot control cabinet 8, computer 10 starts to calculate detection
Temperature and 1000 DEG C of preset temperature of difference DELTA T, if | Δ T | > T0, T0It is 40 DEG C, computer 10 is according to formulaK=0.2 calculates welding current value adjusted, issues control signal and passes through temperature controller 9
Conversion modulation after pass to robot control 8 cabinets input port, according to calculated result control welding machine adjust welding current;Deng
Positioner 1 starts turning after ion welding gun 5 translates fixed range, welding gun starting the arc under new welding current, loads in wire tray
Welding wire controls stable feeding to non-melt pole electrical arc center by wire feeder 6, executes heap and applies;
Step 4, step 2 is repeated to 3, is applied until completing heap.
For overlay cladding macrograph as shown in figure 4, interface cohesion is good, steel matrix surface is straight, does not melt,
There is not the defects of discontinuous, stomata, weld bead height 2.5mm.
Plasma-arc built-up welding, initial weld electric current are 120A, and it is 40cm/min, wire feed rate 1.4m/ that heap, which applies speed,
Min, ion-gas 1.2L/min, protect gas 23L/min, and per pass weld seam translates 2.5mm.
Comparative example
Use diameter same as Example 2 round in 45 steel of 8mm thickness for the plasma arc of the S201 red copper welding wire of 1.2mm
Built-up welding on cylinder, welding current is identical when the starting the arc, other welding parameters are identical, and process does not use temperature detection to control.It was operated
Journey is as follows:
Step 1, plasma gun 5 is moved to welding start position, adjusts welding parameter, start to execute the deposited life of heap
It enables;
Step 2, it completes one of heap to apply, i.e., after one circle of the rotation of positioner 1, plasma gun 5 conjugates after translating fixed range
Machine 1 starts turning, welding gun starting the arc under new welding current, and the welding wire loaded in wire tray controls stable feeding extremely by wire feeder 6
Non-melt pole electrical arc center executes lower one of heap and applies;
Step 3, step 2 is repeated, is applied until completing heap.
Overlay cladding macrograph is as shown in figure 5, combination interface has fluctuating, the fusing of base steel body portion.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. one kind is used for inner wall temperature monitoring device when the built-up welding of non-melt pole electrical arc cylinder characterized by comprising
Infrared temperature sensor (13), the infrared temperature sensor (13) are fixed on temperature detection position by fixture II (12)
It sets;
Control system, the control system control are connected infrared temperature sensor (13) and including welding robot (7)
Welding system;
Wherein, control system includes: to be filtered and scales transforming to temperature sensor signal in infrared temperature sensor (13)
Temperature sensor (11);By temperature to show in the form of performance graph and be controlled in terms of signal by temperature controller (9) output
Calculation machine (10);It further include controlling the machine of the welding system including welding robot (7) for exporting and receiving control signal
Device people control cabinet (8);
Welding system includes: welding robot (7), the plasma gun (5) for being clamped in welding robot (7) end;Further include
It is fixture I (4) on plasma gun of the wire feeder that is made of wire-feed motor (6) and wire feeding mouth (3), fixed wire feeding mouth, fixed
Steel drum (2) and the positioner (1) for cooperating common completion weld deposit process with welding robot (7).
2. according to claim 1 be used for inner wall temperature monitoring device when the built-up welding of non-melt pole electrical arc cylinder, feature exists
In the infrared temperature sensor uses non-contacting infrared thermometric.
3. according to claim 1 be used for inner wall temperature monitoring device when the built-up welding of non-melt pole electrical arc cylinder, feature exists
In the temperature sensor (11) convert by the temperature signal that infrared temperature sensor (13) acquires and real-time display exists
On display;After the completion of one of weld seam, robot control cabinet (8) output control signal calculates detection temperature and preset temperature
Difference DELTA T, as | Δ T | > T0When, computer (10) exports control signal and gives robot control cabinet (8), welding current is adjusted,
Heat input is increased or reduced, guarantees that built-up welding interface fusion penetration is consistent.
4. one kind is used for inner wall temperature monitoring method when the built-up welding of non-melt pole electrical arc cylinder, which comprises the following steps:
Step 1, fixture II (12) are adjusted, infrared temperature sensor (13) is moved to temperature measuring positions, in the welding process
The temperature information of welding gun corresponding position cylinder inner wall is acquired in real time, and is filtered through temperature sensor (11), scales transforming, so
After be transmitted to computer (10), the dynamic changing curve of displays temperature numerical value and temperature;
Step 2, it completes one of heap to apply, i.e., after one circle of positioner (1) rotation, robot control cabinet (8) will control signal through temperature
Computer (10) are input to after Acquisition Instrument (11) conversion;
Step 3, after computer (10) is connected to the control signal of robot control cabinet (8) sending, computer (10) starts to calculate inspection
The difference DELTA T of testing temperature and preset temperature, if | Δ T | > T0, T0It is 10-50 DEG C, computer (10) calculates new welding currentAnd robot control is passed to after issuing the conversion modulation that control signal passes through temperature controller (9)
The input port for making (8) cabinet adjusts welding current according to calculated result control welding machine, is performed simultaneously down one of heap and applies instruction;
Step 4, step 2 is repeated to 3, is applied until completing heap.
5. according to claim 4 be used for inner wall temperature monitoring method when the built-up welding of non-melt pole electrical arc cylinder, feature exists
In, in step 1, the temperature measuring positions are as follows: temperature detecting point be located at welding gun (5) upright position substrate back, it is infrared
Temperature sensor (13) is fixed on cylinder axis horizontal position, adjustable, tool within the scope of the 10mm of upright position using fixture II (12)
Body position is adjusted according to cylinder (2) thickness, and the angle of detection direction and horizontal direction is 30 °, infrared temperature sensor (13) with
The distance between temperature detecting point is 380mm-400mm.
6. according to claim 4 be used for inner wall temperature monitoring method when the built-up welding of non-melt pole electrical arc cylinder, feature exists
In preset temperature is 1000-1400 DEG C.
7. according to claim 4 be used for inner wall temperature monitoring method when the built-up welding of non-melt pole electrical arc cylinder, feature exists
In k=0.1~0.5, specific value is determined according to welding material and cylinder thickness.
8. according to claim 4 be used for inner wall temperature monitoring method when the built-up welding of non-melt pole electrical arc cylinder, feature exists
In T0=10-50 DEG C, the maximum value for not making molding be deteriorated is taken, specific value is determined according to welding material and cylinder thickness.
9. according to claim 4 be used for inner wall temperature monitoring method when the built-up welding of non-melt pole electrical arc cylinder, feature exists
In the thickness of steel drum (2) is less than or equal to 10mm.
10. according to claim 4 be used for inner wall temperature monitoring method when the built-up welding of non-melt pole electrical arc cylinder, feature exists
In the steel drum (2) material is medium carbon steel, 304 stainless steels and high-alloy steel.
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