CN102699620A - Method for repairing cylinder bore of diesel engine - Google Patents
Method for repairing cylinder bore of diesel engine Download PDFInfo
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- CN102699620A CN102699620A CN2012102196559A CN201210219655A CN102699620A CN 102699620 A CN102699620 A CN 102699620A CN 2012102196559 A CN2012102196559 A CN 2012102196559A CN 201210219655 A CN201210219655 A CN 201210219655A CN 102699620 A CN102699620 A CN 102699620A
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- cylinder
- hole
- bore
- diesel engine
- restorative procedure
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Abstract
The invention relates to the technical field of engines of internal combustion locomotives and particularly relates to a method for repairing a cylinder bore of a diesel engine. The method comprises a micro-grinding overhaul process, a vacancy filling process and a regrinding overhaul process, wherein the micro-grinding overhaul process mainly adopts a brush electroplating process, the vacancy filling process mainly adopts a welding process, and the regrinding overhaul process comprises the following steps: mounting, positioning, boring, sleeve making, filling and detecting. By adopting the overhaul method, the overhaul quality of the cylinder bore of an engine body can be obviously improved, and the operation troubles of the engine can be reduced; and as for the engine body with serious abrasion of the cylinder bore, the overhaul process can be applied for preventing the engine body from being scrapped, so that the service life is prolonged and the method has obvious economic benefits.
Description
Technical field
The present invention relates to the diesel locomotive technical field of engines, especially a kind of cylinder of diesel engine hole restorative procedure.
Background technology
Body is the main parts size of engine, and the cylinder-bore of a few each cylinder of body has last hole and following hole to constitute, and the hole wearing and tearing are main causes that body lost efficacy under the cylinder-bore, because the wearing and tearing of cylinder-bore cause the aperture to become big, body can not normally use.Sometimes because body breaks down,, break under the cylinder-bore hole and also can cause body to use and scrap like engine link fracture.
Summary of the invention
Easy to wear in order to overcome existing diesel engine frame cylinder-bore, the deficiency that causes body to scrap the invention provides a kind of cylinder of diesel engine hole restorative procedure.
The technical solution adopted for the present invention to solve the technical problems is: a kind of cylinder of diesel engine hole restorative procedure; Comprise little mill maintenance technology, the technology of filling a vacancy and the maintenance technology of refacing; Little mill maintenance technology mainly adopts technique of brush plating; The technology of filling a vacancy mainly adopts welding procedure, and the maintenance technology of refacing may further comprise the steps: installation → location → bore hole → system cover → filling → detection.
According to another embodiment of the invention, comprise that further little mill maintenance technology is applied to the cylinder-bore mild wear, the aperture wear extent with interior situation, adopts technique of brush plating smaller or equal to 0.5mm, overhauls in conjunction with pincers worker is manual.
According to another embodiment of the invention, comprise that further the process application of filling a vacancy is hit by external force in cylinder-bore, cause the situation of SOL,, adopt welding procedure, overhaul in conjunction with pincers worker is manual according to organism material.
According to another embodiment of the invention, comprise that further the maintenance technology of refacing is applied to cylinder-bore heavy wear, the aperture wear extent adopts procedural style maintenance technology greater than the situation more than the 0.5mm.
According to another embodiment of the invention, comprise that further installation steps comprise: at first adjust the position of body cylinder-bore on floor type boring machine, make body cylinder-bore installed surface and floor type boring machine boring row perpendicular.
According to another embodiment of the invention; Comprise that further positioning step comprises: on boring row, install and fix dial gauge; Be the center of this cylinder cylinder-bore of benchmark centering and body is fixed with hole on the cylinder-bore; Fix the back above-mentioned two steps are transferred once in the school again, prevent that body from compressing the position, back and changing.
According to another embodiment of the invention; Comprise that further the bore hole step comprises: mounting cutter on boring row; Bore hole is carried out in hole under this cylinder cylinder, and processing dimension to 336 mm must guarantee that the circularity of machining hole does not surpass 0.02 mm; Measure the actual size of machining hole and perform record, body still keeps original position motionless on floor type boring machine.
According to another embodiment of the invention; Comprise that further system cover step comprises: processing and body same material is nested on lathe; External diameter is according to the actual size of above-mentioned machining hole; Press the nested excircle dimension of 0.16mm magnitude of interference processing, require excircle dimension circularity not surpass 0.02 mm, internal diameter size is than the little 0.5mm of the former design size in hole under the body cylinder.
According to another embodiment of the invention; Comprise that further the filling step comprises: on nested cylindrical, be coated with the epoxy resin anaerobic adhesive; Freezingly go into the body machining hole, solidify after a week again with nested internal diameter be machined to 226
.
According to another embodiment of the invention, comprise that further detecting step comprises: repair place, hole under the force (forcing) pump water inspection cylinder, guarantee not leak.
The invention has the beneficial effects as follows, adopt this repair method, can obviously improve the repair quality of body cylinder-bore; Reduce the engine operation troubles,, use this maintenance technology can avoid body to scrap for the body of cylinder-bore serious wear; Increase the service life, have obvious economic benefit.
The specific embodiment
A kind of cylinder of diesel engine hole restorative procedure; Comprise little mill maintenance technology, the technology of filling a vacancy and the maintenance technology of refacing; Little mill maintenance technology mainly adopts technique of brush plating; The technology of filling a vacancy mainly adopts welding procedure, and the maintenance technology of refacing may further comprise the steps: installation → location → bore hole → system cover → filling → detection.
Little mill maintenance technology is applied to the cylinder-bore mild wear, and the aperture wear extent with interior situation, adopts technique of brush plating smaller or equal to 0.5mm, overhauls in conjunction with pincers worker is manual.
The process application of filling a vacancy is hit by external force in cylinder-bore, cause the situation of SOL, according to organism material, adopts welding procedure, overhauls in conjunction with pincers worker is manual.
The maintenance technology of refacing is applied to cylinder-bore heavy wear, and the aperture wear extent adopts procedural style maintenance technology greater than the situation more than the 0.5mm.
Installation steps comprise: at first adjust the position of body cylinder-bore on floor type boring machine, make body cylinder-bore installed surface and floor type boring machine boring row perpendicular.
Positioning step comprises: on boring row, install and fix dial gauge, be the center of this cylinder cylinder-bore of benchmark centering and body is fixed with hole on the cylinder-bore, fix the back above-mentioned two steps are transferred once in the school again, prevent that body from compressing the position, back and changing.
The bore hole step comprises: mounting cutter on boring row; Bore hole is carried out in hole under this cylinder cylinder, and processing dimension to 336 mm must guarantee that the circularity of machining hole does not surpass 0.02 mm; Measure the actual size of machining hole and perform record, body still keeps original position motionless on floor type boring machine.
System cover step comprises: processing and body same material is nested on lathe; External diameter is according to the actual size of above-mentioned machining hole; Press the nested excircle dimension of 0.16mm magnitude of interference processing, require excircle dimension circularity not surpass 0.02 mm, internal diameter size is than the little 0.5mm of the former design size in hole under the body cylinder.
The filling step comprises: on nested cylindrical, be coated with the epoxy resin anaerobic adhesive; Freezingly go into the body machining hole, solidify after a week again with nested internal diameter be machined to 226
.
The detection step comprises: repair place, hole under the force (forcing) pump water inspection cylinder, guarantee not leak.
Engine body material majority is an ironcasting, and the body to the cylinder-bore wearing and tearing adopts different maintenance technology respectively according to the degree of wear; Solve all kinds of problems targetedly, adopt this repair method, can obviously improve the repair quality of body cylinder-bore; Reduce the engine operation troubles,, use this maintenance technology can avoid body to scrap for the body of cylinder-bore serious wear; Increase the service life, have obvious economic benefit.
Claims (10)
1. cylinder of diesel engine hole restorative procedure; It is characterized in that; Comprise little mill maintenance technology, the technology of filling a vacancy and the maintenance technology of refacing; Little mill maintenance technology mainly adopts technique of brush plating, and the technology of filling a vacancy mainly adopts welding procedure, and the maintenance technology of refacing may further comprise the steps: installation → location → bore hole → system cover → filling → detection.
2. cylinder of diesel engine according to claim 1 hole restorative procedure is characterized in that, little mill maintenance technology is applied to the cylinder-bore mild wear, and the aperture wear extent with interior situation, adopts technique of brush plating smaller or equal to 0.5mm, overhauls in conjunction with pincers worker is manual.
3. cylinder of diesel engine according to claim 1 hole restorative procedure is characterized in that the process application of filling a vacancy is hit by external force in cylinder-bore, causes the situation of SOL, according to organism material, adopts welding procedure, overhauls in conjunction with pincers worker is manual.
4. cylinder of diesel engine according to claim 1 hole restorative procedure is characterized in that the maintenance technology of refacing is applied to cylinder-bore heavy wear, and the aperture wear extent adopts procedural style maintenance technology greater than the situation more than the 0.5mm.
5. cylinder of diesel engine according to claim 1 hole restorative procedure is characterized in that installation steps comprise: at first adjust the position of body cylinder-bore on floor type boring machine, make body cylinder-bore installed surface and floor type boring machine boring row perpendicular.
6. cylinder of diesel engine according to claim 1 hole restorative procedure; It is characterized in that; Positioning step comprises: on boring row, install and fix dial gauge; Be the center of this cylinder cylinder-bore of benchmark centering and body is fixed with hole on the cylinder-bore, fix the back above-mentioned two steps are transferred once in the school again, prevent that body from compressing the position, back and changing.
7. cylinder of diesel engine according to claim 1 hole restorative procedure; It is characterized in that the bore hole step comprises: mounting cutter on boring row, carry out bore hole to hole under this cylinder cylinder; Processing dimension to 336 mm; Must guarantee that the circularity of machining hole does not surpass 0.02 mm, measure the actual size of machining hole and perform record that body still keeps original position motionless on floor type boring machine.
8. cylinder of diesel engine according to claim 1 hole restorative procedure; It is characterized in that; System cover step comprises: processing and body same material is nested on lathe, and external diameter is pressed the 0.16mm magnitude of interference and processed nested excircle dimension according to the actual size of above-mentioned machining hole; Require excircle dimension circularity not surpass 0.02 mm, internal diameter size is than the little 0.5mm of the former design size in hole under the body cylinder.
9. cylinder of diesel engine according to claim 1 hole restorative procedure; It is characterized in that; The filling step comprises: on nested cylindrical, be coated with the epoxy resin anaerobic adhesive; Freezingly go into the body machining hole, solidify after a week again with nested internal diameter be machined to 226
.
10. cylinder of diesel engine according to claim 1 hole restorative procedure is characterized in that, detects step and comprises: repair place, hole under the force (forcing) pump water inspection cylinder, guarantee not leak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102196559A CN102699620A (en) | 2012-06-29 | 2012-06-29 | Method for repairing cylinder bore of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102196559A CN102699620A (en) | 2012-06-29 | 2012-06-29 | Method for repairing cylinder bore of diesel engine |
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| CN102699620A true CN102699620A (en) | 2012-10-03 |
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| CN2012102196559A Pending CN102699620A (en) | 2012-06-29 | 2012-06-29 | Method for repairing cylinder bore of diesel engine |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935576A (en) * | 2012-11-29 | 2013-02-20 | 唐山开滦广汇设备制造有限公司 | Outer surface damage repair technology for shaft parts |
| CN102962646A (en) * | 2012-11-29 | 2013-03-13 | 唐山开滦广汇设备制造有限公司 | Aperture reducing process of deep-hole cylinder tube |
| CN103350313A (en) * | 2013-05-31 | 2013-10-16 | 中钢集团邢台机械轧辊有限公司 | Repair technology of cold mold for centrifugal casting of roller |
| CN105269242A (en) * | 2015-11-20 | 2016-01-27 | 湖南省湘衡盐化有限责任公司 | Method for repairing air leakage of turbine air cylinders |
| CN106078077A (en) * | 2016-08-25 | 2016-11-09 | 张家港清研再制造产业研究院有限公司 | A kind of engine cylinder hole restorative procedure |
| CN106271371A (en) * | 2016-08-25 | 2017-01-04 | 张家港清研再制造产业研究院有限公司 | A kind of engine cylinder-body spindle hole restorative procedure |
| CN106735432A (en) * | 2017-01-18 | 2017-05-31 | 南京安维士传动技术股份有限公司 | The online prosthetic device and method of wind turbine gearbox high speed grade blade side axle bearing bore |
| CN107825063A (en) * | 2017-12-05 | 2018-03-23 | 广西玉柴机器股份有限公司 | One kind processes incomplete endoporus reworking method due to casting flaw |
| CN112609215A (en) * | 2021-01-12 | 2021-04-06 | 南京顺有预科技有限公司 | Device for automatically detecting surface of workpiece and repairing surface of workpiece by brush plating treatment |
| CN113231787A (en) * | 2021-05-26 | 2021-08-10 | 河南柴油机重工有限责任公司 | High-speed diesel engine body cylinder hole bushing repairing process |
| CN114055100A (en) * | 2021-12-15 | 2022-02-18 | 南阳飞龙汽车零部件有限公司 | Hole site processing method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935576A (en) * | 2012-11-29 | 2013-02-20 | 唐山开滦广汇设备制造有限公司 | Outer surface damage repair technology for shaft parts |
| CN102962646A (en) * | 2012-11-29 | 2013-03-13 | 唐山开滦广汇设备制造有限公司 | Aperture reducing process of deep-hole cylinder tube |
| CN102962646B (en) * | 2012-11-29 | 2016-07-06 | 唐山开滦广汇设备制造有限公司 | A kind of aperture reduction process of deep-hole cylinder tube |
| CN103350313A (en) * | 2013-05-31 | 2013-10-16 | 中钢集团邢台机械轧辊有限公司 | Repair technology of cold mold for centrifugal casting of roller |
| CN105269242A (en) * | 2015-11-20 | 2016-01-27 | 湖南省湘衡盐化有限责任公司 | Method for repairing air leakage of turbine air cylinders |
| CN106078077A (en) * | 2016-08-25 | 2016-11-09 | 张家港清研再制造产业研究院有限公司 | A kind of engine cylinder hole restorative procedure |
| CN106271371A (en) * | 2016-08-25 | 2017-01-04 | 张家港清研再制造产业研究院有限公司 | A kind of engine cylinder-body spindle hole restorative procedure |
| CN106735432A (en) * | 2017-01-18 | 2017-05-31 | 南京安维士传动技术股份有限公司 | The online prosthetic device and method of wind turbine gearbox high speed grade blade side axle bearing bore |
| CN107825063A (en) * | 2017-12-05 | 2018-03-23 | 广西玉柴机器股份有限公司 | One kind processes incomplete endoporus reworking method due to casting flaw |
| CN112609215A (en) * | 2021-01-12 | 2021-04-06 | 南京顺有预科技有限公司 | Device for automatically detecting surface of workpiece and repairing surface of workpiece by brush plating treatment |
| CN113231787A (en) * | 2021-05-26 | 2021-08-10 | 河南柴油机重工有限责任公司 | High-speed diesel engine body cylinder hole bushing repairing process |
| CN114055100A (en) * | 2021-12-15 | 2022-02-18 | 南阳飞龙汽车零部件有限公司 | Hole site processing method |
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Application publication date: 20121003 |