CN107378795A - A kind of automobile axle shaft shot-blast process - Google Patents
A kind of automobile axle shaft shot-blast process Download PDFInfo
- Publication number
- CN107378795A CN107378795A CN201710842303.1A CN201710842303A CN107378795A CN 107378795 A CN107378795 A CN 107378795A CN 201710842303 A CN201710842303 A CN 201710842303A CN 107378795 A CN107378795 A CN 107378795A
- Authority
- CN
- China
- Prior art keywords
- shot
- axle shaft
- automobile axle
- peening
- automobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
Abstract
The present invention relates to a kind of automobile axle shaft shot-blast process, comprise the following steps,（1）Automobile axle shaft is polished, and cleaned with ultrasonic wave；（2）Automobile axle shaft is fixed vertically, and makes its rotation；（3）The nozzle of compressed air shot blasting equipment is adjusted to behind operating position, implements shot-peening processing, specific machined parameters are：For the injection direction of shot-peening for obliquely, nozzle and shot-peening form 35 ° 45 ° of angle in the line of automobile axle shaft surface impacts point with the axis of automobile axle shaft, and in both are generally aligned in the same plane；Shot-peening is the cast steel ball of 0.2 0.4 particle diameters, and jet length is 50 60mm, and injection pressure is 0.55 0.65MPa, and automobile axle shaft velocity of rotation is 20 40rpm.The present invention is by changing shot-peening direction, the strip crater that the depth for making shot-peening be formed in the axial direction at impacting shaft surface is gradually deepened, both reduce the loss of axle outside diameter, and improved adhesive force of the plated film in axial direction again, and improve the shot blasting effect on automobile axle shaft surface.
Description
Technical field
The present invention relates to shot-blast process technical field, more particularly to a kind of automobile axle shaft shot-blast process.
Background technology
Shot-peening processing is that such as spherical shot-peening is ejected into processed base by a kind of utilize using compressed air or centrifugal force etc.
The surface of material, its surface is cleaned, is coarse, hardening and other effects surface Hardening Treatment technique.Particularly surface roughening
This effect, many beneficial effects will be produced for the following process of substrate surface.Substrate surface is entered by shot-peening processing
Row processing can obtain the uneven roughening effect of surface relief, so that the technique such as subsequent plated film coating can be applied
The concavo-convex intermeshing effect of layer and substrate surface, so as to greatly improve the adhesive force of coating.Meanwhile the preceding place of shot-peening processing
Reason can also obtain clean surface and improve case hardness and other effects, also facilitate subsequent plating technic to a certain extent.But
It is the substrate surface treatment that the current research of relevant shot-peening processing is also concentrated mainly on the simple shapes such as plane, for complex surface
Shape-such as cylinder, also lack extensive and systematic research.
Such as：A kind of shot-peening processing technology described in the Chinese invention patent of Application No. 201310432766.2, is to adopt
Bead is carried out to cylindrical substrate surface with compressed air shot blasting equipment, first, cylindrical substrate surface polished
Pretreatment, subsequent acetone ultrasonic wave clean 10-15min；Second, cylindrical substrate is fixed and is allowed to rotate on the rotary shaft；The
Three, the nozzle of compressed air shot blasting equipment is adjusted to behind operating position, implements shot-peening processing, specific machined parameters are：Nozzle
Extended line and shot-peening angle of tangent line at substrate surface shock point are 30-40 ° and injection direction and base material direction of rotation contrary,
Shot-peening is the white fused alumina sand of 0.2-0.4mm particle diameters, and jet length 60-80mm, injection pressure is 0.4-0.6MPa, and base material rotates
Speed is 80-100rpm；Wherein, the external diameter of cylindrical substrate is 60-80mm metal pipe material；It is provided with two nozzles, two
The injection direction of individual nozzle is respectively aligned to the highs and lows of cylinder, and this mode is directly acted on circumference, to circle
The Diameter loss of cylindricality base material is larger.
The content of the invention
It is an object of the invention to provide a kind of automobile axle shaft shot-blast process, can obtain good Axle Surface shot-peening
Effect.
The present invention above-mentioned purpose technical scheme is that：A kind of automobile axle shaft shot-blast process, bag
Include following steps,
（1）Automobile axle shaft is polished, and cleaned with ultrasonic wave；
（2）Automobile axle shaft is fixed vertically, and makes its rotation；
（3）The nozzle of compressed air shot blasting equipment is adjusted to behind operating position, implements shot-peening processing, specific machined parameters are：
The injection direction of shot-peening is obliquely, nozzle is with shot-peening in the line of automobile axle shaft surface impacts point, the axis with automobile axle shaft
Form 35 ° -45 ° of angle, and in both are generally aligned in the same plane；Shot-peening is the cast steel ball of 0.2-0.4 particle diameters, and jet length is
50-60mm, injection pressure are 0.55-0.65MPa, and automobile axle shaft velocity of rotation is 20-40rpm.
Preferably, in step（1）In, polished using sand paper along automobile axle shaft circumferencial direction.
Preferably, in step（3）After end, polished using sand paper along automobile axle shaft axis direction.
Preferably, in step（3）Shot-peening during, automobile axle shaft surface is injected in after sodium chloride solution is atomized.
Preferably, the concentration of sodium chloride solution is 6%-10%.
Preferably, the nozzle quantity is two, the both sides of automobile axle shaft, the shot-peening of two nozzles are symmetrically disposed in
In the line of automobile axle shaft surface impacts point, the axis with automobile axle shaft, it is generally aligned in the same plane interior.
The beneficial effect of invention：The present invention by changing shot-peening direction, make shot-peening at impacting shaft surface in the axial direction
The strip crater that the depth of formation is gradually deepened, both reduce the loss of axle outside diameter, and improve plated film again in the attached of axial direction
Put forth effort, improve the shot blasting effect on automobile axle shaft surface.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of clamping device in the embodiment of the present invention 1；
Fig. 3 is the structural representation of elevating mechanism in the embodiment of the present invention 1；
Fig. 4 is the structural representation of sand cylinder in the embodiment of the present invention 1；
Fig. 5 is the angle schematic diagram of shot-peening injection direction and automobile axle shaft in the embodiment of the present invention 1；
Fig. 6 is the crater structural representation on automobile axle shaft surface in the embodiment of the present invention 1；
In figure：1- wheel abrator cabinets, 2- spray guns, 3- sand cylinders, 31- blow tanks, 32- deflector chutes, 4- clamping devices, the upper mounting brackets of 41-,
42- upper grips, 421- clamping disks, 422- thimbles, 43- servomotors, mounting bracket under 44-, 45- lower chucks, 451- apical axis, 452-
Taper comes directly towards, 5- elevating mechanisms, 51- fluctuating orbits, 52- adjustment tracks, 53- top shoes, 54- sliding blocks, 55- drive screws,
56- adjusts screw mandrel, 6- automobile axle shafts.
Embodiment
With reference to accompanying drawing, the present invention is described in further detail.This specific embodiment is only explanation of the invention,
It is not limitation of the present invention, and those skilled in the art, can be as needed to this implementation after this specification is read
Example makes the modification of no creative contribution, but as long as all being protected in scope of the presently claimed invention by Patent Law.
Embodiment 1：A kind of automobile axle shaft shot-blast process, comprises the following steps：
（1）Automobile axle shaft is polished, and cleaned with ultrasonic wave, wherein polishing using the sand paper of 600-800 mesh along automobile half
Axle circumferencial direction is polished, and circumferential cut is formed on automobile axle shaft surface；
（2）Automobile axle shaft is fixed in shot blasting equipment vertically, and makes its rotation；
（3）The nozzle of compressed air shot blasting equipment is adjusted to behind operating position, implements shot-peening processing in shot blasting equipment, specifically
Machined parameters are：The injection direction of shot-peening for obliquely, nozzle and shot-peening automobile axle shaft surface impacts point line, with automobile
The axis of semiaxis forms 35 ° of angle a, and in both are generally aligned in the same plane, nozzle quantity is two, is symmetrically disposed in automobile
The both sides of semiaxis, the shot-peening of two nozzles is in the line of automobile axle shaft surface impacts point, the axis with automobile axle shaft, positioned at same
In plane.Shot-peening is the cast steel ball of 0.4 particle diameter, and jet length 50mm, injection pressure is 0.65MPa, and automobile axle shaft 6 rotates speed
Spend for 40rpm.Wherein, angle a size has relation with shot-peening particle diameter, jet length, injection pressure, velocity of rotation：Angle a
Bigger, shot-peening particle diameter is smaller, and jet length is bigger, and injection pressure is smaller, and velocity of rotation is smaller.During shot-peening, by chlorination
Automobile axle shaft surface, concentration of sodium chloride solution 6% are injected in after sodium solution atomization.
（4）After shot-peening terminates, polished using the sand paper of 1000 mesh along automobile axle shaft axis direction.
As shown in figure 5, spray gun 2 is arranged on the upper tube port position of the sand cylinder 3 and oliquely downward to shot-peening, the spray gun 2
Nozzle and shot-peening in the line of the surface impacts point of automobile axle shaft 6, form 35 ° -45 ° of angle a with the axis of automobile axle shaft.
Shot-peening forms crater as shown in Figure 6 behind impact automobile axle shaft 6 surface, and the length L of crater in the axial direction is big
In the length of radial direction, the length of radial direction is determined by the diameter d of shot-peening with crater depth, in the present embodiment L ＞ d.
As shown in Figures 1 to 4, shot blasting equipment includes wheel abrator cabinet 1 and spray gun 2, and the He of sand cylinder 3 is provided with the wheel abrator cabinet 1
Clamping device 4, automobile axle shaft 6 pass vertically through the sand cylinder 3 and are clamped on the clamping device 4, and the clamping device 4 clamps
It is vertically arranged its holding at the both ends of automobile axle shaft, and drives automobile axle shaft 6 to be rotated along axis, is provided with the wheel abrator cabinet 1
Elevating mechanism 5, the clamping device 4 by the elevating mechanism 5 make automobile axle shaft 6 vertically in the sand cylinder 3 up and down
It is mobile.
As depicted in figs. 1 and 2, clamping device 4 includes upper mounting bracket 41, upper grip 42, lower mounting bracket 44 and lower chuck 45,
The upper grip 42 is rotatably installed on the upper mounting bracket 41, and the upper mounting bracket 41, which is provided with, drives the upper grip 42 to rotate
Servomotor 43, the lower chuck 45 be arranged on the lower mounting bracket 44 on, the upper grip 42 and the lower chuck 45 divide
The upper and lower ends of automobile axle shaft are not clamped in, and the upper mounting bracket 41 and lower mounting bracket 44 keep synchronous by elevating mechanism 5
Lifting.Upper grip 42 includes the rotating shaft being coaxially disposed and clamping disk 421, the clamping disk 421 are arranged on institute by the rotating shaft
State on mounting bracket 41, the outside diameter of the clamping disk 421 is less than the diameter of automobile axle shaft, the center of the clamping disk 421
Provided with the thimble 422 in the centre bore for stretching into automobile axle shaft end；The lower chuck 45 includes apical axis 451 and located at the apical axis
The taper top 452 of 451 upper ends, the apical axis 451 is fixed on the lower mounting bracket 44, and vapour is stretched into the taper top 452
In the centre bore of the shaft end of car half.
As shown in figures 1 and 3, elevating mechanism 5 includes fluctuating orbit 51, adjustment track 52, top shoe 53 and sliding block 54,
The adjustment track 52 is slidably mounted on the fluctuating orbit 51, and the fluctuating orbit 51 is provided with drive screw 55, described
Drive screw 55 drives the adjustment track 52 to move up and down；The sliding block 54 is fixedly mounted under the adjustment track 52
Side, the top shoe 53 are slidably mounted on the adjustment track 52, and the adjustment track 52 is provided with regulation screw mandrel 56, described
Regulation screw mandrel 56 drives the top shoe 53 to move to adjust the distance of the top shoe 53 and the sliding block 54；The upper peace
Shelve 41 to be fixed on the top shoe 53, the lower mounting bracket 44 is fixed on the sliding block 54.
As shown in figure 4, the barrel of sand cylinder 3 is provided with blow tank 31, the blow tank 31 is from cylinder bottom to nozzle direction spiral shell
Rotation is set.The outer wall of sand cylinder 3 is provided with deflector chute 32, and the deflector chute 32 is set from nozzle to cylinder bottom direction spiral, described to lead
The upper notch of hopper 32 connects with the upper notch of the blow tank 31.Through hole is provided with the middle part of the cylinder bottom of sand cylinder 3, the through hole makes
The apical axis 451 just enters the cylinder bottom that the sand cylinder 3 is interior and makes automobile axle shaft be passed down through the sand cylinder 3 under cylinder.
Sand cylinder 3 is rotatably is arranged in the wheel abrator cabinet 1, the center of rotation of the sand cylinder 3 and the axis weight of automobile axle shaft
Close.The bottom of sand cylinder 3 sets support frame, and sand cylinder 3 is rotatably installed on support frame, and is turned by motor and driving-chain driving
It is dynamic.Shot-peening is placed in sand cylinder 3, and collects the shot-peening that spray gun 2 sprays, when sand cylinder 3 rotates, the shot-peening of sand cylinder 3 exists
The surface grinding of automobile axle shaft 6.
Embodiment 2：A kind of automobile axle shaft shot-blast process, comprises the following steps：
（1）Automobile axle shaft is polished, and cleaned with ultrasonic wave, wherein polishing using the sand paper of 600-800 mesh along automobile half
Axle circumferencial direction is polished, and circumferential cut is formed on automobile axle shaft surface；
（2）Automobile axle shaft is fixed in shot blasting equipment vertically, and makes its rotation；
（3）The nozzle of compressed air shot blasting equipment is adjusted to behind operating position, implements shot-peening processing in shot blasting equipment, specifically
Machined parameters are：The injection direction of shot-peening for obliquely, nozzle and shot-peening automobile axle shaft surface impacts point line, with automobile
The axis of semiaxis forms 40 ° of angle, and in both are generally aligned in the same plane, nozzle quantity is two, is symmetrically disposed in automobile
The both sides of semiaxis, the shot-peening of two nozzles is in the line of automobile axle shaft surface impacts point, the axis with automobile axle shaft, positioned at same
In plane.Shot-peening is the cast steel ball of 0.3 particle diameter, and jet length 55mm, injection pressure is 0.6MPa, automobile axle shaft velocity of rotation
For 30rpm.During shot-peening, automobile axle shaft surface, concentration of sodium chloride solution 8% are injected in after sodium chloride solution is atomized.
（4）After shot-peening terminates, polished using the sand paper of 1000 mesh along automobile axle shaft axis direction.
Embodiment 3：A kind of automobile axle shaft shot-blast process, comprises the following steps：
（1）Automobile axle shaft is polished, and cleaned with ultrasonic wave, wherein polishing is justified using the sand paper of 600 mesh along automobile axle shaft
Circumferential direction is polished, and circumferential cut is formed on automobile axle shaft surface；
（2）Automobile axle shaft is fixed in shot blasting equipment vertically, and makes its rotation；
（3）The nozzle of compressed air shot blasting equipment is adjusted to behind operating position, implements shot-peening processing in shot blasting equipment, specifically
Machined parameters are：The injection direction of shot-peening for obliquely, nozzle and shot-peening automobile axle shaft surface impacts point line, with automobile
The axis shape of semiaxis angle at 45 °, and in both are generally aligned in the same plane, nozzle quantity is two, is symmetrically disposed in automobile
The both sides of semiaxis, the shot-peening of two nozzles is in the line of automobile axle shaft surface impacts point, the axis with automobile axle shaft, positioned at same
In plane.Shot-peening is the cast steel ball of 0.2 particle diameter, and jet length 60mm, injection pressure is 0.55MPa, and automobile axle shaft rotates speed
Spend for 20rpm.During shot-peening, automobile axle shaft surface is injected in after sodium chloride solution is atomized, concentration of sodium chloride solution is
10%。
（4）After shot-peening terminates, polished using the sand paper of 1000 mesh along automobile axle shaft axis direction.
Claims (6)
- A kind of 1. automobile axle shaft shot-blast process, it is characterised in that：Comprise the following steps,（1）Automobile axle shaft is polished, and cleaned with ultrasonic wave；（2）Automobile axle shaft is fixed vertically, and makes its rotation；（3）The nozzle of compressed air shot blasting equipment is adjusted to behind operating position, implements shot-peening processing, specific machined parameters are： The injection direction of shot-peening is obliquely, nozzle is with shot-peening in the line of automobile axle shaft surface impacts point, the axis with automobile axle shaft Form 35 ° -45 ° of angle, and in both are generally aligned in the same plane；Shot-peening is the cast steel ball of 0.2-0.4 particle diameters, and jet length is 50-60mm, injection pressure are 0.55-0.65MPa, and automobile axle shaft velocity of rotation is 20-40rpm.
- A kind of 2. automobile axle shaft shot-blast process according to claim 1, it is characterised in that：In step（1）In, using sand paper Polished along automobile axle shaft circumferencial direction.
- A kind of 3. automobile axle shaft shot-blast process according to claim 2, it is characterised in that：In step（3）After end, use Sand paper is polished along automobile axle shaft axis direction.
- A kind of 4. automobile axle shaft shot-blast process according to claim 1, it is characterised in that：In step（3）Shot-peening process In, automobile axle shaft surface is injected in after sodium chloride solution is atomized.
- A kind of 5. automobile axle shaft shot-blast process according to claim 4, it is characterised in that：The concentration of sodium chloride solution is 6%-10%。
- A kind of 6. automobile axle shaft shot-blast process according to claim 1, it is characterised in that：The nozzle quantity is two, Be symmetrically disposed in the both sides of automobile axle shaft, the shot-peenings of two nozzles automobile axle shaft surface impacts point line, with automobile half The axis of axle, it is generally aligned in the same plane interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842303.1A CN107378795B (en) | 2017-09-18 | 2017-09-18 | A kind of automobile axle shaft shot-blast process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842303.1A CN107378795B (en) | 2017-09-18 | 2017-09-18 | A kind of automobile axle shaft shot-blast process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107378795A true CN107378795A (en) | 2017-11-24 |
| CN107378795B CN107378795B (en) | 2019-04-26 |
Family
ID=60350865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710842303.1A Active CN107378795B (en) | 2017-09-18 | 2017-09-18 | A kind of automobile axle shaft shot-blast process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107378795B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486339A (en) * | 2018-03-27 | 2018-09-04 | 王华银 | A kind of ball blast technique of bent axle |
| CN111775060A (en) * | 2020-06-29 | 2020-10-16 | 湖南科技大学 | Ultrasonic shot blasting device for shaft parts |
| CN111843845A (en) * | 2020-06-28 | 2020-10-30 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Method for removing hardened tooth surface oxide skin |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2407048A1 (en) * | 1977-10-25 | 1979-05-25 | Poincenot Rene | Multiple head milling machine for long turbine blades - has intermediate support mounted on vertical slide for movement with cutters |
| CN102069223A (en) * | 2010-12-08 | 2011-05-25 | 西安交通大学 | Vertical machine tool structure for machining blade by using two cutters |
| CN102390042A (en) * | 2011-10-28 | 2012-03-28 | 江苏曙光石油钻采设备有限公司 | Non-dead-angle shot blasting device for offshore oil drilling and production guide pipe connector thread |
| CN103447968A (en) * | 2013-09-22 | 2013-12-18 | 叶红 | Shot peening process |
| CN204235352U (en) * | 2014-10-24 | 2015-04-01 | 重庆荆江汽车半轴有限公司 | A kind of abrasive working appts being exclusively used in automobile axle shaft |
| CN204658213U (en) * | 2015-04-28 | 2015-09-23 | 济南万通铸造装备工程有限公司 | Bent axle shot-blast cleaning machine |
-
2017
- 2017-09-18 CN CN201710842303.1A patent/CN107378795B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2407048A1 (en) * | 1977-10-25 | 1979-05-25 | Poincenot Rene | Multiple head milling machine for long turbine blades - has intermediate support mounted on vertical slide for movement with cutters |
| CN102069223A (en) * | 2010-12-08 | 2011-05-25 | 西安交通大学 | Vertical machine tool structure for machining blade by using two cutters |
| CN102390042A (en) * | 2011-10-28 | 2012-03-28 | 江苏曙光石油钻采设备有限公司 | Non-dead-angle shot blasting device for offshore oil drilling and production guide pipe connector thread |
| CN103447968A (en) * | 2013-09-22 | 2013-12-18 | 叶红 | Shot peening process |
| CN204235352U (en) * | 2014-10-24 | 2015-04-01 | 重庆荆江汽车半轴有限公司 | A kind of abrasive working appts being exclusively used in automobile axle shaft |
| CN204658213U (en) * | 2015-04-28 | 2015-09-23 | 济南万通铸造装备工程有限公司 | Bent axle shot-blast cleaning machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108486339A (en) * | 2018-03-27 | 2018-09-04 | 王华银 | A kind of ball blast technique of bent axle |
| CN111843845A (en) * | 2020-06-28 | 2020-10-30 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Method for removing hardened tooth surface oxide skin |
| CN111775060A (en) * | 2020-06-29 | 2020-10-16 | 湖南科技大学 | Ultrasonic shot blasting device for shaft parts |
| CN111775060B (en) * | 2020-06-29 | 2021-07-27 | 湖南科技大学 | Ultrasonic shot blasting device for shaft parts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107378795B (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107443255A (en) | A kind of axial workpiece shot blasting equipment | |
| CN107378795A (en) | A kind of automobile axle shaft shot-blast process | |
| CN207189466U (en) | A kind of axial workpiece shot blasting equipment | |
| US6261154B1 (en) | Method and apparatus for media finishing | |
| CN102310346B (en) | Method and grinding machine for the grinding surfaces of revolution | |
| CN107457120A (en) | A kind of construction sheet material spray-painting plant | |
| CN103419137A (en) | Roller surface strengthening and roughness controlling method | |
| CN206732829U (en) | Uniform sand blasting unit | |
| CN108525913A (en) | A kind of automatic rust-removing of steel pipe inner wall, spray-painting plant | |
| CN103447968B (en) | A kind of shot-peening processing technology | |
| CN110640635B (en) | Coating-writing type metal workpiece surface reinforced grinding processing method and equipment | |
| CN202804960U (en) | Sand-blasting device in steel tube | |
| JP2004535940A (en) | Ceramic spraying apparatus and method for preventing gear pitting | |
| TW202110584A (en) | Shot blasting machine and blade wheel assembly thereof | |
| JPH07251376A (en) | Device for shot blasting of inaccessible surface of straight pipe | |
| CN109454565A (en) | A kind of peener for the processing of mechanical cast(ing) surface | |
| CN219170606U (en) | Surface sand blasting device | |
| JP2013230527A (en) | Surface treatment device for screw shaft in ball screw and surface treatment method for screw shaft in ball screw | |
| CN108435902A (en) | A kind of section profile is not rounded columnar workpiece surface rolling device and rolling depression method | |
| CN205380575U (en) | Steel pipe hole shot -blasting machine | |
| CN114378722B (en) | Shot blasting equipment for manufacturing water pump shell and using method thereof | |
| CN215968265U (en) | Sand blasting rust removal device for steel structure construction | |
| CN102229115A (en) | Special sandblasting machine for cylindrical part | |
| JPH07314333A (en) | Shot-peening method of spring with adherent part | |
| CN107891374A (en) | A kind of Shot Blasting technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |