CN110387519A - A kind of inner walls of deep holes repairs spray gun and restorative procedure - Google Patents
A kind of inner walls of deep holes repairs spray gun and restorative procedure Download PDFInfo
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- CN110387519A CN110387519A CN201910681039.7A CN201910681039A CN110387519A CN 110387519 A CN110387519 A CN 110387519A CN 201910681039 A CN201910681039 A CN 201910681039A CN 110387519 A CN110387519 A CN 110387519A
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- inner walls
- deep holes
- connecting rod
- defect
- deep
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/02—Pistons or cylinders
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
Abstract
The invention discloses a kind of inner walls of deep holes to repair spray gun and restorative procedure, including elongation bar, supporting mechanism, imaging device, height sensor, arc voltage stability controller, spray head and connecting rod etc., design support of the supporting mechanism to elongation bar, solve degree of disturbing deformation and the shake scale-up problem of elongation bar, it is connect with connecting rod by arc voltage stability controller in elongation bar, connecting rod height is adjusted in real time and adjusts arc voltage, promote repairing quality, reduce shake, integrated industrial endoscope and height sensor, solve the problems, such as that inner walls of deep holes is not easy teaching, realize defect local route repair.Inner walls of deep holes provided by the invention repairs spray gun and restorative procedure, solve the problems, such as poor inner walls of deep holes repairing quality, low precision and can not be to aperture inner wall reparation, it realizes the local route repair of inner walls of deep holes high-precision high quality, reduce the cost in repair process and the risk deformed easily occurs because heat input is excessive in repair process；Promote repairing quality and efficiency.
Description
Technical field
The invention belongs to technical field of engineering machinery, and in particular to a kind of inner walls of deep holes repairs spray gun and restorative procedure.
Background technique
Hydraulic cylinder is as the conversion of engineering machinery energy, the critical component of power transmission, and cylinder action is frequent, working frequency
Height, response is fast, and performance quality determines the manipulation stability and accuracy of complete product, therefore the requirement to the system is especially tight
Lattice.Engineering machinery working environment is severe, the intrusions of live hard particles, unbalance loading and the presence of metal filings easily lead to cylinder
The problems such as cylinder inner wall is pulled, causes hydraulic oil internal leakage, seriously affects construction quality and process.To promote recycling economy development,
It usually recycles to scrapping oil cylinder, repairs recycling by the means remanufactured, be effectively reduced operation cost of enterprises,
Promote the cycling and reutilization of resource.Currently, pulling still for inner wall of cylinder without effective solution measure, especially inner walls of deep holes
It pulls.Generally for the cylinder barrel that inner wall is pulled, 90% selection is scrapped.Therefore, a kind of dedicated unit of inner walls of deep holes reparation is developed
There is important meaning to the process that remanufactures of engineering mechanical hydraulic oil cylinder.
Currently on the market, aiming at the problem that inner wall of cylinder is pulled in various degree, following settling mode is generallyd use: for light
It is micro- to pull cylinder barrel, generally use the processes such as bore hole, honing, assembly；And the problem of being pulled for moderate, then by bore hole, honing,
Increase the processes such as material (for piston, guide sleeve etc.), machining, replacement sealing, assembly；For seriously pulling then selection directly report
It is useless.Although can effectively solve that slight and moderate is pulled, there are fit-up gaps after repairing it is big, precision is low the problems such as；Meanwhile
The reparation of the moderate lesion problem poor there is also at high cost, effect finally results in service life significant decrease.
Summary of the invention
Goal of the invention: for solve the problems, such as it is existing in the prior art to inner walls of deep holes can not high-precision, high quality repair,
The present invention provides a kind of inner walls of deep holes to repair spray gun and restorative procedure, realizes that the high-precision high-performance of cylinder barrel inner walls of deep holes is repaired
It is multiple.
To achieve the above object, the invention is realized by the following technical scheme:
A kind of inner walls of deep holes reparation spray gun, including supporting mechanism, elongation bar, arc voltage stability controller, height sensor, imaging dress
Set, connecting rod, spray head and PLC controller, the supporting mechanism are fixed on elongation bar end, play a supporting role to elongation bar, prevent
Only elongation bar stretches out too long and the problem of degree of disturbing deformation or vibration amplification occurs, is stablized between elongation bar and connecting rod by arc voltage and is controlled
Device connection processed, can relatively move between the two at the direction z (vertical direction), realize repair process by arc voltage stability controller
The real-time adjustment of middle arc voltage reduces shake, drives inner walls of deep holes to repair spray gun by PLC controller and moves, spray inside deep hole
Head is fixed on connecting rod end, and the reparation of defect area is realized in the effect for primarily serving the starting the arc and dusting, and height sensor is fixed on company
On bar, the height to connecting rod and spray head from restoring area is monitored, and imaging device is installed on connecting rod at an angle, real
The now live teaching and high accuracy positioning to area is repaired.
Further, height of the connecting rod from workpiece surface to be repaired is 5-15mm, and height sensor is fixed on connecting rod
On, apart from spray head at least 200mm, reduce influence of the overheat to height sensor.
Further, the imaging device is installed on connecting rod and is 30 ° -60 ° with the angle of horizontal plane where connecting rod, at
As device is 100-200mm with a distance from spray head.
Further, the supporting mechanism is one or more idler wheels or universal wheel, is used to support elongation bar.
Further, the imaging device selects industrial endoscope, integrates industrial endoscope and height sensor, solves
Inner walls of deep holes is not easy the problem of teaching, realizes defect repair.
Further, comprising the following steps:
In local repair procedure, with reference first to technological parameter requirement, the movement speed of spray head is set；Spray head is protruded into depth to be repaired
In hole, supporting mechanism is made to be supported in inner walls of deep holes, idler wheel touches cylinder barrel bottom, plays a supporting role to spray gun, adjusts connecting rod
From inner walls of deep holes apparent height H, the visual field for making imaging device and arcing point are in the same position；Then driven by PLC controller
Dynamic inner walls of deep holes repairs spray gun to moving inside deep hole, acquires inner walls of deep holes image by image, obtains inner walls of deep holes and lack
Sunken starting point coordinate and terminal point coordinate calculates defect length according to the starting point coordinate of inner walls of deep holes defect and terminal point coordinate；Due to
Deep-hole parts teaching can only be realized by industrial endoscope, in order to guarantee endoscope visual field and arcing point in the same position
It sets, so must assure that the numerical value of height H, there is deviation in the region and actual region not so repaired；Deep hole is repositioned to lack
Fall into initial position, adjustment connecting rod height fall into it in spray head starting the arc altitude range, according to calculate obtain defect length according to
The mobile spray head of preset spray head movement speed carries out inner walls of deep holes reparation；When inner wall is repaired, when completion is repaired in current defect region,
By rotating deep hole, so that spray head is moved to next area to be repaired, repeat this step and completed until repairing.
Further, comprising the following steps:
It is similar with local repair procedure in whole repair process, with reference first to technological parameter requirement, the movement speed of spray head is set
With cylinder barrel rotation speed；Inner walls of deep holes reparation spray gun is protruded into inside deep hole, idler wheel touches bottom, sprays to inner walls of deep holes reparation
Rifle is played a supporting role；Height H of the connecting rod from inner wall surface is adjusted, when numerical value shows that height H is equal to L*tan α, then stops adjusting
Whole, the visual field and arcing point for guaranteeing imaging device are in the same position；Then by PLC controller drive inner hole repair spray gun to
It is mobile inside deep hole, inner walls of deep holes image is acquired by image, the starting point coordinate and terminal for obtaining inner walls of deep holes defect are sat
Mark calculates defect length according to the starting point coordinate of inner walls of deep holes defect and terminal point coordinate；It is repositioned to deep hole defect start bit
It sets, adjustment connecting rod height falls into it in spray head starting the arc altitude range, carries out inner walls of deep holes reparation；After the completion of single track reparation,
Cylinder barrel rotation is controlled by rotating electric machine, until lower one defect area to be repaired, the completion that repeats the above steps is repaired.
Further, mobile to repair spray gun, when the image f iotaeld-of-view center of imaging device transmission is overlapped with defect starting point, stop
It only moves, shows that arcing point is overlapped with defect starting point at this time, record defect starting point horizontal coordinate value x1, what repetition moved horizontally
Process, inner walls of deep holes repair spray gun and continue to move to the outside of deep hole, find defect terminating point, record defect end coordinate values x2,
The defect length is are as follows: x2-x1.
Further, the height of connecting rod is adjusted by arc voltage stability controller, so that height sensor registration, shows numerical value
In starting the arc altitude range, stops adjustment, then repaired；It is repositioned to deep hole defect initial position, adjustment connecting rod is high
Degree falls into it in spray head starting the arc altitude range, mobile according to preset spray head movement speed according to the defect length obtained is calculated
Spray head carries out inner walls of deep holes reparation, when repairing to inner walls of deep holes, when completion is repaired in current defect region, by rotating deep hole, makes
Spray head moves to next area to be repaired, repeats this step and completes until repairing.
Further, the height for adjustment connecting rod apart from inner walls of deep holes stops adjustment foundation are as follows: connecting rod is apart from deep hole
Height H=L*tan α of inner wall；Wherein, L is imaging device with a distance from spray head, deflection of the α between imaging device and connecting rod
Angle.
Further, the inner hole of cylinder repairs length up to 5000mm, and minimum repairs diameter of bore and reaches 100mm.
Compared with prior art, the invention has the benefit that
(1) support of the design supporting mechanism to elongation bar solves degree of disturbing deformation and the shake scale-up problem of elongation bar, elongation bar
It is connect with connecting rod by arc voltage stability controller, connecting rod height is adjusted in real time and adjusts arc voltage, promote repairing quality, reduction is trembled
It is dynamic；
(2) industrial endoscope and height sensor are integrated, solve inner walls of deep holes can not teaching, can not local route repair, Wu Fajing
It determines position and influences the problem of repairing quality, realize the reparation of inner walls of deep holes high-precision high quality, reduce in repair process
Cost and easily there is the risk deformed because heat input is excessive in repair process, passes through local defect reparation and reduce thermal stress
Deformation promotes repairing quality and efficiency；
(3) for the inner wall of cylinder seriously pulled, realize that inner wall is locally pulled, reduce guide sleeve, piston increases material, it is mach when
Between and cost, promotion remanufacture product quality and service life；
(4) inner hole of the invention, which repairs spray gun, makes inner hole repair length up to 5000mm, and minimum repairs diameter of bore and reaches 100mm；
(5) simplify inner hole and repair operation technological process, reduce error present in operating process, be conducive to execute-in-place and push away
Wide application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of reparation spray gun of the invention；
Fig. 2 is the use state diagram of reparation spray gun of the invention；
Wherein, 1- supporting mechanism, 2- elongation bar, 3- arc voltage stability controller, 4- height sensor, 5- imaging device, 6- connecting rod,
7- spray head.
Specific embodiment
The technical scheme of the present invention will be explained in further detail combined with specific embodiments below.
As shown in Figs. 1-2, a kind of inner walls of deep holes repairs spray gun, including supporting mechanism 1, elongation bar 2, arc voltage stability controller
3, height sensor 4, imaging device 5, connecting rod 6 and spray head 7, supporting mechanism 1 are fixed on 2 end of elongation bar, play to elongation bar 2
Supporting role prevents elongation bar 2 from stretching out too long and degree of disturbing is caused to deform, while also solving to lead because the arm of force is too long during the motion
The problem of causing vibration amplification, is connected between elongation bar 2 and connecting rod 6 by arc voltage stability controller 3, between the two can be vertical
When adjusting 6 height of connecting rod, the stabilization of arc voltage is kept by arc voltage stability controller 3 for direction (direction z) relative movement, and realization is repaired
The real-time adjustment of arc voltage during multiple, promotes repairing quality, reduces shake, height H of the connecting rod 6 from workpiece surface to be repaired takes
Value range is 5-15mm, and height sensor 4 is fixed on connecting rod 6, apart from at least 200mm of spray head 7, reduces overheat to highly sensing
The influence of device 4, can the height to connecting rod 6 and spray head 7 from restoring area be monitored, spray head 7 is fixed on 6 end of connecting rod,
The reparation of defect area is realized in the effect for primarily serving the starting the arc and dusting, and imaging device 5 is installed on connecting rod 6, with 6 institute of connecting rod
It is 30 ° -60 ° in the angle of horizontal plane, imaging device 5 is L with a distance from spray head 7, and the value range of L is 100-200mm, is such as schemed
Shown in 2, be conducive to the live teaching and high accuracy positioning to area is repaired.
Supporting mechanism 1 is one or more idler wheels, and idler wheel can also be changed into universal wheel use, elongation bar 2 is supported, solve to stretch
The degree of disturbing of stock 2 deforms and shake scale-up problem, and industrial endoscope can be selected in imaging device 5, peeps in the integrated industry of the present invention
Mirror and height sensor 4 solve the problems, such as that inner walls of deep holes is not easy teaching, realize the reparation of defect high quality.
The present invention can be used plasma spraying, laser spraying or combustion gas spraying technology and carry out inner wall reparation, it is only necessary to spray
First 7 change corresponding plasma spray head, laser printhead or gas spray head into.
It elaborates so that plasma spraying is repaired as an example below.
A kind of inner walls of deep holes restorative procedure, comprising the following steps:
In local repair procedure, with reference first to technological parameter requirement, be arranged spray head 7 movement speed, at this time spray head 7 using etc. from
Sub- spray head, utilizes plasma spraying technology；Inner hole reparation spray gun is protruded into inside deep and long hole cylinder barrel, idler wheel touches cylinder barrel bottom
Portion plays a supporting role to spray gun；Adjust connecting rod 6 from inner wall surface height H, when numerical value shows that height H is equal to L*tan α, such as
Shown in Fig. 2, then stop adjusting；Then acquired to moving inside deep hole by image 5 by PLC controller driving spray gun
Inner walls of deep holes image obtains the starting point coordinate and terminal point coordinate of inner walls of deep holes defect, according to the starting point coordinate of inner walls of deep holes defect
Defect length is calculated with terminal point coordinate: when the image f iotaeld-of-view center of endoscope transmission is overlapped with defect starting point, stop motion, this
When show that arcing point is overlapped with defect starting point, recording level coordinate value x1, the process that moves horizontally of repetition continues to deep and long hole
Outside is mobile, finds defect terminating point, and recording level coordinate value x2 inputs spray gun in PLC controller and moves horizontally distance i.e.
Defect length: x2-x1；Resetting adjusts the height of connecting rod 6 by PLC controller, so that highly sensing to defect starting point
4 registration of device shows that numerical value in starting the arc altitude range, stops adjustment；Open the equipment such as cooling-water machine, powder feeder, plasma power supply
Start to carry out local route repair, using the prior art, this will not be repeated here；After the completion of single track reparation, pass through rotating electric machine
Cylinder barrel rotation is controlled, until lower one defect area to be repaired, above-mentioned reparation step is repeated and carries out local route repair.
In whole repair process, with reference first to technological parameter requirement, movement speed, the cylinder barrel rotation of plasma spraying are set
Speed, spray head 7 uses plasma spray head at this time；Inner hole reparation spray gun is protruded into inside cylinder barrel deep hole, makes to roll by PLC controller
Wheel touches cylinder barrel bottom, repairs spray gun to inner hole and plays a supporting role；Connecting rod 6 is adjusted from inner wall surface height H, when numerical value is aobvious
When showing that height H is equal to L*tan α, as shown in Fig. 2, then stopping adjusting；Then by PLC controller drive inner hole repair spray gun to
It is mobile inside deep and long hole, inner walls of deep holes image is acquired by image 5, obtains the starting point coordinate and terminal of inner walls of deep holes defect
Coordinate calculates defect length according to the starting point coordinate of inner walls of deep holes defect and terminal point coordinate: when the image f iotaeld-of-view of endoscope transmission
When center is overlapped with defect starting point, stop motion shows that arcing point is overlapped with defect starting point, recording level coordinate value at this time
x1；The process that moves horizontally of repetition navigates to defect terminating point, recording level coordinate value x2 to moving outside deep and long hole；In PLC
Input repairs rifle and moves horizontally distance i.e. defect length: x2-x1 on controller；Resetting adjusts connecting rod 6 to defect starting point
Highly, 4 registration of height sensor is made to show that numerical value in starting the arc altitude range, stops adjustment；Open cooling-water machine, powder feeder, rotation
The equipment such as rotating motor, plasma power supply start to be repaired, identical as aforementioned local route repair principle, are all made of the prior art, no
It repeats.
Plasma spraying can be also changed to laser spraying (spray head 7 is laser printhead at this time) or (this is repaired in combustion gas spraying
When spray head 7 be gas spray head), it is similar to repair step and aforementioned plasma spraying reparation step, does not repeat them here.
Technical solution of the present invention bring the utility model has the advantages that
(1) poor inner walls of deep holes repairing quality, low precision are solved the problems, such as and aperture inner wall reparation can not be sent vertically downward
Powder reduces the influence of gravity, promotes repairing quality and efficiency；
(2) it solves the problems, such as the teaching of inner walls of deep holes difficulty and causes to be difficult to ensure repairing intact, realize the high-precision of restoring area
Positioning is promoted and repairs precision；Integrated height sensor provides data supporting for inner hole renovation technique norm-setting, makes repair process
It is simpler；
(3) the problem of reducing the deformation of elongation bar degree of disturbing and shake amplification, repairing quality and precision are promoted；
(4) recoverable minimum diameter of bore reaches 100mm；
(5) the high performance local route repair of local inner wall of cylinder defect high-precision can be achieved, avoid the waste of material, reduce repair at
There is the risk deformed because heat input is excessive in this and part；Positive reinforcement can be carried out to deep-hole parts inner wall surface
Processing promotes part service life, and effectively solving the problems, such as that cylinder barrel is pulled can not repair and wasting, promotion resources circulation benefit
With reduction enterprise's production cost.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of inner walls of deep holes repairs spray gun, which is characterized in that including supporting mechanism (1), elongation bar (2), arc voltage stability contorting
Device (3), height sensor (4), imaging device (5), connecting rod (6), spray head (7) and PLC controller, the supporting mechanism (1) are solid
It is scheduled on elongation bar (2) end, is played a supporting role to elongation bar (2), is stablized between elongation bar (2) and connecting rod (6) by arc voltage
Controller (3) connection, elongation bar (2) and connecting rod (6) are relatively moved in vertical direction, control spray gun along deep by PLC controller
Mobile inside hole, spray head (7) is fixed on connecting rod (6) end, realizes the reparation of defect area, height sensor (4) and imaging device
(5) it is fixed on connecting rod (6), connecting rod (6) and spray head (7) is monitored and is positioned from the height for repairing area.
2. a kind of inner walls of deep holes according to claim 1 repairs spray gun, which is characterized in that the connecting rod (6) is to be repaired
The height of workpiece surface is 5-15mm, and height sensor (4) is fixed on connecting rod (6), apart from spray head (7) at least 200mm.
3. a kind of inner walls of deep holes according to claim 1 repairs spray gun, which is characterized in that imaging device (5) installation
In being 30 ° -60 ° on connecting rod (6) and with the angle of horizontal plane where connecting rod (6), imaging device (5) is with a distance from spray head (7)
100-200mm。
4. a kind of inner walls of deep holes according to claim 1 repairs spray gun, which is characterized in that the supporting mechanism (1) is one
A or multiple idler wheels or universal wheel.
5. a kind of inner walls of deep holes according to claim 1 repairs spray gun, which is characterized in that the imaging device (5) is selected
Industrial endoscope.
6. a kind of inner walls of deep holes restorative procedure, which is characterized in that the method is using a kind of any depth of claim 1-5
Hole inner wall is repaired spray gun and is realized, comprising the following steps:
Spray head (7) is protruded into deep hole to be repaired, supporting mechanism (1) is made to be supported in inner walls of deep holes, adjusts connecting rod (6) apart from deep hole
The height of inner wall, the visual field for making imaging device (5) and arcing point are in the same position；
It drives inner walls of deep holes to repair spray gun to moving inside deep hole by PLC controller, is acquired in deep hole by image (5)
Wall image obtains the starting point coordinate and terminal point coordinate of inner walls of deep holes defect, according to the starting point coordinate and terminal of inner walls of deep holes defect
Coordinate calculates defect length；
It is repositioned to deep hole defect initial position, adjustment connecting rod (6) falls into it in spray head (7) starting the arc altitude range,
Inner walls of deep holes reparation is carried out according to preset spray head (7) movement speed mobile spray head (7) according to the defect length obtained is calculated.
7. a kind of inner walls of deep holes restorative procedure according to claim 6, which is characterized in that the calculating side of the defect length
Method includes the following steps:
It is mobile to repair spray gun, when the image f iotaeld-of-view center of imaging device (5) transmission is overlapped with defect starting point coordinate, record defect
Starting point horizontal coordinate value x1 finds defect terminal point coordinate, records defect end coordinate values x2, and the defect length is are as follows: x2-
x1。
8. a kind of inner walls of deep holes restorative procedure according to claim 6, which is characterized in that for adjusting connecting rod (6) distance
The height of inner walls of deep holes stops adjustment foundation are as follows: height H=L*tan α of the connecting rod (6) apart from inner walls of deep holes；
Wherein, L is imaging device (5) with a distance from spray head (7), deflection angle of the α between imaging device (5) and connecting rod (6).
9. a kind of inner walls of deep holes restorative procedure according to claim 6, which is characterized in that when being repaired to inner walls of deep holes, when
When preceding defect area reparation is completed, by rotating deep hole, so that spray head is moved to next area to be repaired, repeat this step until repairing
It completes.
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| CN107760930A (en) * | 2017-12-07 | 2018-03-06 | 山西鑫盛激光技术发展有限公司 | A kind of semiconductor laser deposited nickel-base alloy powder end for being used to repair centrifugation ball milling pipe die inwall |
| CN108220858A (en) * | 2018-01-14 | 2018-06-29 | 常州大学 | It is a kind of to strengthening the process that remanufactures at metallic conduit internal surface damage |
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|---|---|---|---|---|
| WO2015119822A1 (en) * | 2014-02-07 | 2015-08-13 | Siemens Energy, Inc. | Superalloy solid freeform fabrication and repair with preforms of metal and flux |
| CN105081623A (en) * | 2014-05-14 | 2015-11-25 | 中国科学院沈阳自动化研究所 | Welding seam identification method for automatic welding |
| CN205046196U (en) * | 2015-09-02 | 2016-02-24 | 武汉武钢华工激光大型装备有限公司 | Minor diameter is laser cladding processing head for deep hole |
| CN107186433A (en) * | 2017-07-18 | 2017-09-22 | 东营新佳环保技术开发有限公司 | Interior surfacing anti-corrosive abrasion-proof oil conduit and processing method, process equipment |
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| CN110387519B (en) | 2021-06-04 |
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