CN103991014B - A kind of repair method of the side plane of diesel engine main bearing cover - Google Patents
A kind of repair method of the side plane of diesel engine main bearing cover Download PDFInfo
- Publication number
- CN103991014B CN103991014B CN201310632344.XA CN201310632344A CN103991014B CN 103991014 B CN103991014 B CN 103991014B CN 201310632344 A CN201310632344 A CN 201310632344A CN 103991014 B CN103991014 B CN 103991014B
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- China
- Prior art keywords
- side plane
- face
- numerical control
- diesel engine
- beating cap
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Classifications
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
Abstract
A kind of repair method of the side plane of diesel engine main bearing cover, metal spraying face it is coated with on described side plane, described main beating cap has the Hough face vertical with this side plane, it is characterized in that: with described Hough face as positioning datum, by clamping for described main beating cap on the workbench of numerical control borer, use the flaring cup wheel being arranged on the numerical control borer main shaft vertical with this table surface that the metal spraying face on the side plane of described main beating cap is carried out grinding, until it reaches technology requirement.The present invention has advantage easy to operate, that clamping simple, the mass size of part is more easily controlled and measures, significantly reduces reclamation work difficulty, improves reclamation work efficiency, can be used for using numerical control borer that diesel engine main bearing cover is reprocessed processing.
Description
Technical field
The present invention relates to the processing of a kind of diesel engine part, be specifically related to the repair method of the side plane of a kind of diesel engine main bearing cover,
Belong to Machining Technology field.
Background technology
Main beating cap is one of part important on medium speed marine diesel machine, refers to Fig. 1, this main beating cap 1 work in-process,
Its side plane 11 needs the final stage in processing to repair, and the method for finishing is the diesel engine main bearing cover first reprocessed needs
Side plane 11 carries out metal spraying, then this metal spraying face is carried out grinding.
Spray the method repaired as current a kind of relatively common accessory size, have that process heat is less, workpiece is unlikely to deform,
The advantage little to the metallographic structure on part top layer and Effect on Mechanical Properties, institute both can make main beating cap two for main beating cap 1
Size (width of main beating cap 1) between side plane 11 increases, and is not result in again the change in size of other machined surfaces.Formed
Although sprayed coating has certain bond strength with part base solid material, but sprayed coating is the thinnest, organizes the finest and close and hardness ratio matrix high.
Accordingly, it would be desirable to the side plane 11 reprocessed has certain degree of hardness after metal spraying, it is impossible to milling, can only grinding reprocess.
As it is shown in figure 1, the Hough face 12 of side plane 11 to be reprocessed and main beating cap 1 to reach the perpendicularity of 0.01/100
Requirement, and this Hough face 12 is not parallel with the locating surface of surface grinding machine workbench, thus adjust to the clamping on surface grinding machine, school
Bring and be inconvenient for；Secondly because main beating cap part height 445mm, and stroke height disclosure satisfy that the surface grinding machine of requirement at present
Lack and disclosure satisfy that the auxiliary clamp of requirement, therefore reprocess on surface grinding machine main beating cap side plane 11 be faced with location, clamping,
The numerous difficulties such as school tune.
Summary of the invention
The present invention is directed on surface grinding machine, reprocess positioning datum produced by diesel engine main bearing cover side plane and look for difficulty, clamping
The difficult point such as loaded down with trivial details, it is provided that the repair method of the side plane of a kind of diesel engine main bearing cover, realizes main beating cap side at numerical control borer
The mill of plane is repaiied, reach simple to operate, clamping school adjust convenient, reprocess the effect that dimensional accuracy is controlled.
The technical scheme that the present invention solves its technical problem is as follows:
The repair method of the side plane of a kind of diesel engine main bearing cover, described side plane is coated with metal spraying face, described main shaft
Hold lid and there is the Hough face vertical with this side plane, it is characterised in that: with described Hough face as positioning datum, by described base bearing
Cover clamping on the workbench of numerical control borer, use and be arranged on the bowl-type sand on the numerical control borer main shaft vertical with this table surface
Wheel carries out grinding to the metal spraying face on the side plane of described main beating cap, until it reaches technology requirement.
Described repair method comprises the following specific steps that:
1) clamping main beating cap: the Hough face of described main beating cap is positioned and is seated on the table surface of described numerical control borer,
It is facing perpendicularly to the main shaft of this numerical control borer with the side plane of described main beating cap, this main beating cap pressing clip is fixed in described with pressing plate
On the workbench of numerical control borer；
2) emery wheel is installed: be fastened on by flaring cup wheel on main shaft handle of a knife, then the main shaft handle of a knife that will be equipped with flaring cup wheel is arranged on numerical control
On the main shaft of boring machine, the end face of this flaring cup wheel uses emery stick to repair；
3) cutting zero-bit is determined；
4) with the metal spraying face on the side plane of main beating cap described in flaring cup wheel grinding, until the side plane of processing meets predetermined
Technology requirement.
Described determination cutting zero-bit refers to, smears with chalk, make the dust of chalk be attached to this side on side plane to be processed
On the metal spraying face of plane, the flaring cup wheel then rotated with Non-follow control dabs this metal spraying face, until there being dust to fly out
Till Laiing, it is set as this position of flaring cup wheel cutting zero-bit.
Described technology requires to include described side plane and the perpendicularity in Hough face and the width dimensions of main beating cap.
Described side plane is 0.01/100 with the perpendicularity in Hough face.
The rotating speed of described flaring cup wheel is 1000r/min, and each grinding and feeding amount is 0.01mm.
Compared with prior art, the present invention has a following beneficial effect:
Use numerical control borer, by flaring cup wheel, the main beating cap side plane after spraying is carried out grinding to reprocess, solve employing plane
The difficulty of clamping, adjustment and measurement when grinding machine is reprocessed, have that easy to operate, clamping is simple, the mass size of part more
The easily controllable advantage with measurement, significantly reduces reclamation work difficulty, improves reclamation work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of diesel engine main bearing cover.
Fig. 2 is the state of the art schematic diagram of the method for the invention.
Fig. 3 is the top view of Fig. 2.
Detailed description of the invention
With specific embodiment, the present invention is further elaborated below in conjunction with the accompanying drawings, but the protection of the present invention can not be limited with this
Scope.
The present invention provides the repair method of the side plane of a kind of diesel engine main bearing cover, refers to Fig. 1, this diesel engine main bearing cover 1
Having side plane 11 and Hough face 12, this Hough face 12 is vertical with this side plane 11, and this side plane 11 is coated with metal spray
Painting face.Referring to Fig. 2 and Fig. 3, described main beating cap 1, with described Hough face 12 as positioning datum, is pressed from both sides by described repair method
Gu on the workbench 22 of numerical control borer 2, use and be arranged on the numerical control borer main shaft 21 vertical with this workbench 22 table top
Flaring cup wheel 3 carries out grinding to the metal spraying face on the side plane 11 of described main beating cap 1, until it reaches technology requirement；Should
Technology requires to include described side plane 11 and the perpendicularity in Hough face 12 and the width dimensions of main beating cap 1, and described side is put down
Face 11 is 0.01/100 with the perpendicularity in Hough face 12.
The repair method of the side plane of diesel engine main bearing cover of the present invention comprises the following specific steps that:
1) clamping main beating cap: owing to diesel engine main bearing cover 1 is in the former course of processing, datum level is its Hough face 12, and
And the side plane 11 of finished product main beating cap 1 to be ensured meets the perpendicularity requirement of 0.01/100 with Hough face 12, so with this Kazakhstan
Husband face 12 is positioning datum, and the Hough face 12 of described main beating cap 1 positions the workbench 22 being seated in described numerical control borer 2
On table top, with the side plane 11 of described main beating cap 1 perpendicular to the ground to the main shaft 21 of this numerical control borer 2, compressing with pressing plate should
The upper plane of main beating cap 1, is clamped on main beating cap 1 on the workbench 22 of described numerical control borer 2.
2) emery wheel is installed: be fastened on main shaft handle of a knife 31 by flaring cup wheel 3, then will be equipped with the main shaft handle of a knife 31 of flaring cup wheel 3
Being arranged on the main shaft 21 of numerical control borer 2, the end face of this flaring cup wheel 3 uses emery stick to repair, and keeps sharp keen, reduces it
With reprocess the contact area of side plane 11, make side plane 11 better quality ground, roughness is higher, and dimensional tolerance more may be used
Control.
Grinding wheel shape and the selection of material:
Mostly the sprayed on material used due to spraying side plane 11 is little elementary composition of by fusing point is high heat conductivity, therefore has both
High strength steel, the characteristic of hardened steel, and at the oxide material currently used as abrasive grinding wheel (such as Brown Alundum, white fused alumina, chromium
Corundum), in carbon compound material (such as black silicon carbide, green silicon carbide, boron carbide), white fused alumina characteristic be exactly hardness high,
Fragility is big, grinding heat is little, processing time thermal deformation little, be suitable for grinding, so select white fused alumina emery wheel come grinding spraying after diesel oil
Main bearing lid side plane 11.
Dividing with shape, emery wheel has circular grinding wheel, arc wheel, hypotenuse emery wheel, flaring cup wheel, saucer wheel etc..Due to emery wheel
It is intended to be arranged on the main shaft handle of a knife 31 of numerical control borer 2 use, and the machined surface reprocessed is perpendicular to the ground to the master of numerical control borer 2
Axle 21, therefore the work surface of emery wheel must be parallel with the face of reprocessing, so circular grinding wheel conventional on surface grinding machine can not use.Bowl
Shape emery wheel 3 i.e. has suitable mesopore to penetrate main shaft handle of a knife 31, and fastening nut is hidden in inside working face, and its work surface is just
Good parallel with the face of reprocessing.According to above-mentioned analysis, grinding wheel for grinding finally selects white fused alumina flaring cup wheel.
3) determine cutting zero-bit, i.e. smear on side plane 11 to be processed with chalk, make the dust of chalk be attached to this master
On the metal spraying face of the side plane 11 of bearing cap 1, the flaring cup wheel 3 then rotated with Non-follow control dabs this metal spraying face,
Till seeing and having a little dust to fly out, it is set as cutting by flaring cup wheel 3 this position on the Z axis of numerical control borer 2
Cut zero-bit.
4) with the metal spraying face on the side plane 11 of main beating cap 1 described in flaring cup wheel 3 grinding, until the side plane of processing
11 meet predetermined technology requirement, including perpendicularity 0.01/100 and the width of main beating cap 1 in side plane 11 and Hough face 12
Degree size；During grinding, the rotating speed of flaring cup wheel 3 is 1000r/min, and each grinding and feeding amount is 0.01mm, to ensure to add
Work surface roughness.
The repair method of the side plane of diesel engine main bearing cover of the present invention have been directed to current medium seed diesel engine main beating cap side and puts down
The difficult point that processing is run into is reprocessed in face on surface grinding machine, use numerical control borer individually to reprocess main beating cap side and without reprocessing it
He just can reach to reprocess and matching requirements part, solves surface grinding machine and reprocesses that clamping is loaded down with trivial details, positioning datum looks for the difficult point being difficult to,
Allow dimensional accuracy be more easily controlled and measure, and there is advantage simple to operate.This repair method has only to former machining benchmark
The location, Hough face of diesel engine main bearing cover, flaring cup wheel, towards boring bar alignment, is then arranged on main shaft by side plane to be reprocessed
On handle of a knife, reinstalling the inner conical surface of numerical control borer main shaft, drive flaring cup wheel to rotate by numerical control borer main shaft, direct grinding adds
Work side plane.After described main beating cap beam overall size has been reprocessed, just can be directly installed on diesel engine base and come into operation,
Drastically increase and reprocess speed, reduce and reprocess difficulty.
Described repair method also imparts the processing thought that numerical control borer is brand-new, makes numerical control borer be provided with the function of grinding machine, solves
Cannot the difficult problem of milling high rigidity spray-coating surface with milling cutter on numerical control borer.
Claims (6)
1. a repair method for the side plane of diesel engine main bearing cover, described side plane is coated with metal spraying face, described master
Bearing cap has the Hough face vertical with this side plane, it is characterised in that: with described Hough face as positioning datum, by described main shaft
Hold lid clamping on the workbench of numerical control borer, use and be arranged on the bowl-type on the numerical control borer main shaft vertical with this table surface
Emery wheel carries out grinding to the metal spraying face on the side plane of described main beating cap, until it reaches technology requirement.
The repair method of the side plane of diesel engine main bearing cover the most according to claim 1, it is characterised in that: described returns
The method of repairing comprises the following specific steps that:
1) clamping main beating cap: the Hough face of described main beating cap is positioned and is seated on the table surface of described numerical control borer,
It is facing perpendicularly to the main shaft of this numerical control borer with the side plane of described main beating cap, this main beating cap pressing clip is fixed in described with pressing plate
On the workbench of numerical control borer；
2) emery wheel is installed: be fastened on by flaring cup wheel on main shaft handle of a knife, then the main shaft handle of a knife that will be equipped with flaring cup wheel is arranged on numerical control
On the main shaft of boring machine, the end face of this flaring cup wheel uses emery stick to repair；
3) cutting zero-bit is determined；
4) with the metal spraying face on the side plane of main beating cap described in flaring cup wheel grinding, until the side plane of processing meets predetermined
Technology requirement.
The repair method of the side plane of diesel engine main bearing cover the most according to claim 2, it is characterised in that: described really
Surely cutting zero-bit refers to, smears on side plane to be processed with chalk, makes the dust of chalk be attached to the metal spray of this side plane
On painting face, the flaring cup wheel then rotated with Non-follow control dabs this metal spraying face, till having dust to fly out, by bowl
This position of shape emery wheel is set as cutting zero-bit.
The repair method of the side plane of diesel engine main bearing cover the most according to claim 1 and 2, it is characterised in that: described
Technology require to include perpendicularity and the width dimensions of main beating cap in described side plane and Hough face.
The repair method of the side plane of diesel engine main bearing cover the most according to claim 4, it is characterised in that: described side
Plane is 0.01/100 with the perpendicularity in Hough face.
The repair method of the side plane of diesel engine main bearing cover the most according to claim 1 and 2, it is characterised in that: described
The rotating speed of flaring cup wheel be 1000r/min, each grinding and feeding amount is 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310632344.XA CN103991014B (en) | 2013-12-02 | 2013-12-02 | A kind of repair method of the side plane of diesel engine main bearing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310632344.XA CN103991014B (en) | 2013-12-02 | 2013-12-02 | A kind of repair method of the side plane of diesel engine main bearing cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103991014A CN103991014A (en) | 2014-08-20 |
| CN103991014B true CN103991014B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310632344.XA Expired - Fee Related CN103991014B (en) | 2013-12-02 | 2013-12-02 | A kind of repair method of the side plane of diesel engine main bearing cover |
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| CN (1) | CN103991014B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673304B (en) * | 2018-05-30 | 2020-08-04 | 中国航发动力股份有限公司 | Grinding device for repairing conical sealing surface joint and repairing method thereof |
| CN113290461A (en) * | 2021-06-22 | 2021-08-24 | 成都爱乐达航空制造股份有限公司 | Machining method for grinding high-strength aviation part by using numerical control machining center |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4000075B2 (en) * | 2003-02-27 | 2007-10-31 | 株式会社東芝 | Rotor repair method |
| CN102303205B (en) * | 2011-09-05 | 2013-06-26 | 广州市天河区金棠表面工程技术有限公司 | Split deformation or deflation field spraying repair process for steam turbine cylinder |
| CN102877017A (en) * | 2012-08-16 | 2013-01-16 | 沈阳黎明航空发动机(集团)有限责任公司 | Thermal spraying remanufacturing method for damaged end surface of aero-engine accessory gearbox housing |
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| CN103991014A (en) | 2014-08-20 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20161202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |