CN106271368A - A kind of engine cylinder cover bottom surface restorative procedure - Google Patents
A kind of engine cylinder cover bottom surface restorative procedure Download PDFInfo
- Publication number
- CN106271368A CN106271368A CN201610834214.8A CN201610834214A CN106271368A CN 106271368 A CN106271368 A CN 106271368A CN 201610834214 A CN201610834214 A CN 201610834214A CN 106271368 A CN106271368 A CN 106271368A
- Authority
- CN
- China
- Prior art keywords
- cover bottom
- cylinder cover
- restorative procedure
- cylinder
- spraying
- 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.)
- Pending
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Classifications
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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
Abstract
The invention discloses a kind of engine cylinder cover bottom surface restorative procedure, comprise the following steps: cylinder cap to be repaired is fixed on milling machine table by (a), cylinder cover bottom surface is above, and cylinder cover bottom surface carries out Milling Process, removes the defect part in cylinder cover bottom surface；B cylinder cap is fixed in spraying fixing device by (), cylinder cover bottom surface is above, and cylinder cover bottom surface is carried out electric arc spraying, guarantees the reprocessing surplus having 0.2～0.3mm after spraying；C cylinder cap is placed on milling machine table by (), cylinder cover bottom surface is above, and cylinder cover bottom surface carries out Milling Process, recovers cylinder cover bottom surface flatness and roughness.The engine cylinder cover bottom surface restorative procedure that the present invention provides, technique is simple, can recover size and the pattern of the cylinder cover bottom surface after abrasion, improve the service life of cylinder cap.
Description
Technical field
The present invention relates to a kind of engine cylinder cover bottom surface restorative procedure.
Background technology
Direct Milling Process is usually taked in the reparation at the position such as engine cylinder cover bottom surface combustor or watercourse port at present
Fall defect part.This reparation means have a problems with:
(1) cylinder cap for bottom surface defect degree of depth ＞ 0.2mm cannot be repaired；
(2) change valve deflection, thus have impact on the performance of electromotor to a certain extent.
(3) operation complexity, it is impossible to realize bulk production.The present invention is therefore.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of engine cylinder cover bottom surface restorative procedure, work
Skill is simple, it is possible to recover the cylinder cover bottom surface of defect.
For the purpose of the present invention, present invention provide the technical scheme that
A kind of engine cylinder cover bottom surface restorative procedure, comprises the following steps:
A cylinder cap to be repaired is fixed on milling machine table by (), cylinder cover bottom surface is above, and cylinder cover bottom surface is carried out milling
Processing, removes the defect part in cylinder cover bottom surface；
B cylinder cap is fixed in spraying fixing device by (), cylinder cover bottom surface is above, and cylinder cover bottom surface is carried out electric arc spray
It is coated with, after spraying, guarantees the reprocessing surplus having 0.2～0.3mm；
C cylinder cap is placed on milling machine table by (), cylinder cover bottom surface is above, and cylinder cover bottom surface carries out Milling Process, extensive
Multiple cylinder cover bottom surface flatness and roughness.
In some embodiments wherein, by cylinder cover bottom surface mill off 0.3～0.5mm in described step (a), roughness is
Ra2.5～3.2.
In some embodiments wherein, elder generation's sprayed layer undercoat then spraying surface during electric arc spraying in described step (b).
In some embodiments wherein, in described step (b), during electric arc spraying, the sprayed on material of bottom is nickel aluminium wire
Material, the sprayed on material of surface layer is rustless steel.
In some embodiments wherein, in described step (b), the voltage of electric arc spraying is 28～30V, and electric current is
124～126A.
In some embodiments wherein, the air inlet on cylinder cap, steam vent and installing hole are sealed by described step (b)
Stifled protection.
In some embodiments wherein, in described step (b), spraying fixing device includes base and along described base
Several cylinder cap fixation kits that length direction is arranged, described cylinder cap fixation kit includes being separately positioned on described base width side
Width one to the spacing between the cylinder cap rear fixed plate of both sides, block, described cylinder cap rear fixed plate and described block Yu cylinder cap
Causing, described base is additionally provided with limited block, described limited block is arranged on described block side and is arranged vertically with described block.
In some embodiments wherein, described base includes base plate and is arranged on several pads below described base plate
Block, described cushion block is arranged along the width of described base plate.
In some embodiments wherein, between adjacent cushion block, it is provided with reinforcement transverse tube.
In some embodiments wherein, the bottom of described cushion block is provided with two location-plates, and said two location-plate divides
It is not arranged on the two ends of described cushion block length direction.
Relative to scheme of the prior art, the invention have the advantage that
Using technical scheme, this technique restorative procedure is simple, easy to operate, can be with mass production, can be extensive
The size of the cylinder cover bottom surface after regrinding damage and pattern, improve the service life of cylinder cap.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required use in embodiment being described below
Accompanying drawing be briefly described, below describe in accompanying drawing be only some embodiments of the present invention, skill common for this area
From the point of view of art personnel, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation spraying fixing device in the embodiment of the present invention；
Fig. 2 is the structural representation spraying another direction of fixing device in the embodiment of the present invention；
Wherein:
1, base plate；
2, cushion block；
3, location-plate；
4, transverse tube is strengthened；
5, cylinder cap rear fixed plate；
6, block；
7, limited block.
Detailed description of the invention
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are for illustrating
The present invention and be not limited to limit the scope of the present invention.The implementation condition used in embodiment can be done according to the condition of concrete producer
Adjusting further, not marked implementation condition is usually the condition in normal experiment.
Embodiment
A kind of engine cylinder cover bottom surface restorative procedure, comprises the following steps:
A cylinder cap to be repaired is fixed on milling machine table by (), cylinder cover bottom surface is above, and cylinder cover bottom surface is carried out milling
Processing, by cylinder cover bottom surface mill off 0.3～0.5mm, roughness is Ra2.5～3.2, removes the defect part in cylinder cover bottom surface；
B cylinder cap is fixed in spraying fixing device by (), cylinder cover bottom surface is above, and cylinder cover bottom surface is carried out electric arc spray
It is coated with, in order to prevent that spraying process produces impact to the position, hole on cylinder cap, the air inlet on cylinder cap, steam vent and installing hole is sealed
Stifled protection, first sprayed layer undercoat then spraying surface, the sprayed on material of bottom is nickel aluminium wire material, and the sprayed on material of surface layer is stainless
Steel, the voltage of electric arc spraying is 28～30V V, and electric current is 124～126A, guarantees to have more than the reprocessing of 0.2～0.3mm after spraying
Amount, the thickness i.e. spraying back cylinder cover is production requirement size+0.2～0.3mm；
C cylinder cap is placed on milling machine table by (), cylinder cover bottom surface is above, and cylinder cover bottom surface carries out Milling Process, extensive
Multiple cylinder cover bottom surface flatness and roughness.
Seeing Fig. 1-2, spraying fixing device includes that base and several cylinder caps arranged along base length direction fix group
Part, cylinder cap fixation kit includes cylinder cap rear fixed plate 5 and the block 6 being separately positioned on both sides, base width direction, solid after cylinder cap
Determining the spacing between plate 5 with block 6 consistent with the width of cylinder cap, be provided with limited block 7 on base, limited block 7 is arranged on block 6
Side is also arranged vertically with block 6.
Concrete, base includes base plate 1 and is arranged on several cushion blocks 2 below base plate 1, and cushion block 2 is along the width of base plate 1
Direction is arranged.
In order to strengthen the stability of base, between adjacent cushion block 2, it is provided with reinforcement transverse tube 4.
For convenience spray equipment is fixed on the ground, be provided with two location-plates 3, two location in the bottom of cushion block 2
Plate 3 is separately positioned on the two ends of cushion block 2 length direction.
Examples detailed above, only for technology design and the feature of the explanation present invention, its object is to allow one skilled in the art
Will appreciate that present disclosure and implement according to this, can not limit the scope of the invention with this.All according to present invention essence
God's equivalent transformation of being done of essence or modification, all should contain within protection scope of the present invention.
Claims (10)
1. an engine cylinder cover bottom surface restorative procedure, it is characterised in that comprise the following steps:
A cylinder cap to be repaired is fixed on milling machine table by (), cylinder cover bottom surface is above, cylinder cover bottom surface is carried out milling and adds
Work, removes the defect part in cylinder cover bottom surface；
B cylinder cap is fixed in spraying fixing device by (), cylinder cover bottom surface is above, and cylinder cover bottom surface carries out electric arc spraying, spray
The reprocessing surplus having 0.2～0.3mm is guaranteed after painting；
C cylinder cap is placed on milling machine table by (), cylinder cover bottom surface is above, and cylinder cover bottom surface carries out Milling Process, recovers cylinder
Lid soffit plane degree and roughness.
Engine cylinder cover bottom surface the most according to claim 1 restorative procedure, it is characterised in that: by cylinder in described step (a)
Lid bottom surface mill off 0.3～0.5mm, roughness is Ra2.5～3.2.
Engine cylinder cover bottom surface the most according to claim 1 restorative procedure, it is characterised in that: electric arc in described step (b)
Elder generation's sprayed layer undercoat then spraying surface during spraying.
Engine cylinder cover bottom surface the most according to claim 3 restorative procedure, it is characterised in that: electric arc in described step (b)
During spraying, the sprayed on material of bottom is nickel aluminium wire material, and the sprayed on material of surface layer is rustless steel.
Engine cylinder cover bottom surface the most according to claim 1 restorative procedure, it is characterised in that: electric arc in described step (b)
The voltage of spraying is 28～30V, and electric current is 124～126A.
Engine cylinder cover bottom surface the most according to claim 1 restorative procedure, it is characterised in that: to cylinder in described step (b)
Air inlet, steam vent and the installing hole closure protection covered.
Engine cylinder cover bottom surface the most according to claim 1 restorative procedure, it is characterised in that: spraying in described step (b)
Fixing device includes base and several cylinder cap fixation kits arranged along described base length direction, and described cylinder cap fixes group
Part includes being separately positioned on the cylinder cap rear fixed plate (5) of both sides, described base width direction, block (6), fixing after described cylinder cap
Spacing between plate (5) with described block (6) is consistent with the width of cylinder cap, and described base is additionally provided with limited block (7), described limit
Position block (7) is arranged on described block (6) side and is arranged vertically with described block (6).
Engine cylinder cover bottom surface the most according to claim 7 restorative procedure, it is characterised in that: described base includes base plate
(1) and be arranged on described base plate (1) lower section several cushion blocks (2), described cushion block (2) is along the width of described base plate (1)
Arrange.
Engine cylinder cover bottom surface the most according to claim 8 restorative procedure, it is characterised in that: between adjacent cushion block (2)
It is provided with reinforcement transverse tube (4).
Engine cylinder cover bottom surface the most according to claim 9 restorative procedure, it is characterised in that: the bottom of described cushion block (2)
Being provided with two location-plates (3), said two location-plate (3) is separately positioned on the two ends of described cushion block (2) length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834214.8A CN106271368A (en) | 2016-09-21 | 2016-09-21 | A kind of engine cylinder cover bottom surface restorative procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834214.8A CN106271368A (en) | 2016-09-21 | 2016-09-21 | A kind of engine cylinder cover bottom surface restorative procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106271368A true CN106271368A (en) | 2017-01-04 |
Family
ID=57711589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610834214.8A Pending CN106271368A (en) | 2016-09-21 | 2016-09-21 | A kind of engine cylinder cover bottom surface restorative procedure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106271368A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2371293C1 (en) * | 2008-04-08 | 2009-10-27 | Открытое Акционерное Общество "Российские Железные Дороги" | Method to recover worn-out surfaces of wheel pair axle box journals |
| CN102041465A (en) * | 2010-11-23 | 2011-05-04 | 中国北车集团大连机车车辆有限公司 | Method for repairing crankshaft of diesel engine |
| CN102056706A (en) * | 2008-06-12 | 2011-05-11 | 瓦锡兰芬兰有限公司 | Method of reconditioning of cylinder head of an internal combustion engine |
| CN102676970A (en) * | 2012-05-29 | 2012-09-19 | 青铜峡铝业股份有限公司 | In-situ spraying reparation method of horizontal aluminum busbar in electrolytic plant |
| CN104002097A (en) * | 2014-05-27 | 2014-08-27 | 安徽蓝德集团股份有限公司 | Machining center production technology for machining diesel engine cylinder cover face hole |
| CN104907760A (en) * | 2015-05-15 | 2015-09-16 | 潘洁萍 | Sugar mill millroller shaft neck wear repairing method |
-
2016
- 2016-09-21 CN CN201610834214.8A patent/CN106271368A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2371293C1 (en) * | 2008-04-08 | 2009-10-27 | Открытое Акционерное Общество "Российские Железные Дороги" | Method to recover worn-out surfaces of wheel pair axle box journals |
| CN102056706A (en) * | 2008-06-12 | 2011-05-11 | 瓦锡兰芬兰有限公司 | Method of reconditioning of cylinder head of an internal combustion engine |
| CN102041465A (en) * | 2010-11-23 | 2011-05-04 | 中国北车集团大连机车车辆有限公司 | Method for repairing crankshaft of diesel engine |
| CN102676970A (en) * | 2012-05-29 | 2012-09-19 | 青铜峡铝业股份有限公司 | In-situ spraying reparation method of horizontal aluminum busbar in electrolytic plant |
| CN104002097A (en) * | 2014-05-27 | 2014-08-27 | 安徽蓝德集团股份有限公司 | Machining center production technology for machining diesel engine cylinder cover face hole |
| CN104907760A (en) * | 2015-05-15 | 2015-09-16 | 潘洁萍 | Sugar mill millroller shaft neck wear repairing method |
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Application publication date: 20170104 |