CN108067808A - A kind of reproducing method of steel pistons - Google Patents
A kind of reproducing method of steel pistons Download PDFInfo
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- CN108067808A CN108067808A CN201610993356.9A CN201610993356A CN108067808A CN 108067808 A CN108067808 A CN 108067808A CN 201610993356 A CN201610993356 A CN 201610993356A CN 108067808 A CN108067808 A CN 108067808A
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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
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Abstract
The invention discloses a kind of reproducing method of steel pistons, a kind of method comprises the following steps：S1：Initial wash；S2：First time clamping；S3：Repair male half coupling；S4：Second of clamping；S5：Reduce combustion chamber volume；S6：Third time clamping；S7 repairs steel pistons ring side；S8：No. the 4th clamping；S9：Repair pin hole；S10：It is cleaned after reparation；S11：Packaging.Another method comprises the following steps：S1：Initial wash；S2：First time clamping；S3：Positioning datum in processing；S4：Second of clamping；S5：Repair male half coupling；S6：Third time clamping；S7：Reduce combustion chamber volume；S8：No. the 4th clamping；S9：Repair steel pistons ring side；S10：No. the 5th clamping；S11：Repair pin hole；S12：It is cleaned after reparation；S13：Packaging.The present invention has the advantages that maintenance cost is low, can prevent the wasting of resources, can extend steel pistons usage time, be able to batch Repair gene.
Description
Technical field
The invention mainly relates to the secondary recovery technique of engine movements friction more particularly to a kind of sides of remanufacturing of steel pistons
Method.
Background technology
Piston is one of key components and parts of diesel emission upgrading, and it is automobile-used bavin that steel construction piston, which substitutes constructed of aluminium piston,
Oil machine meets state VI and the important means of higher standard discharge and fuel economy requirement.The main former material that steel pistons use at present
Material includes：First, cast iron（Steel）Material, such as：QT-600, HT300, ZG25CrMo etc.；Second is that medium carbon structural alloy steel, such as：
40Cr, 42CrMo, 42CrMoA etc.；Third, thermal pressure processing non-hardened and tempered steel, such as：F38MnVS (38MnVS6) etc..Wherein：
42CrMoA, F38MnVS show excellent mixed economy and technical characteristic, and use is relatively broad.The technique road of piston manufacture
Line：Forging（Casting）- annealing-preliminary working-semifinishing-is quenched-finishing-surface treatment-fine purifiation-packaging.
Steel pistons are simple in structure, high mechanical strength, wear-resisting property are good, endurance long lifespan, under alternation dynamic load effect,
Subject high temperature, the thermic load of high pressure and mechanical load.Research shows that piston easily generates the position master of abrasion and mechanical failure
Have：When under high temperature, high mechanical load effect, the abrasion of piston ring groove, the abrasion of firepower bank and the deformation of ring bank；Two
It is pin hole deformation, abrasion under mechanical load effect；Third, the concentrated wear that piston skirt is generated with cylinder sleeve friction of motion.
Being difficult to repair idea by conventional aluminum piston material limited fatigue life piston is influenced, and engine movements frictions is secondary
Reparation is also only confined on cylinder sleeve, connecting rod, bent axle this three big part, and when substantial amounts of steel construction piston repairing is dropped, this is caused
The huge wasting of resources, particularly VI Ge states of Europe, VI vehicle high speed diesel engine high-volume is using full steel structure piston, this wave
Take just particularly evident.
The content of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide that a kind of maintenance cost is low, can prevent
The wasting of resources can extend steel pistons usage time, the reproducing method for the steel pistons for being able to batch Repair gene.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of reproducing method of steel pistons, the steel pistons include piston crown and piston skirt, and the piston crown is equipped with
Combustion chamber and top plane, the ring side of piston crown set spaced firepower bank and ring bank, firepower bank and ring bank and adjacent ring bank
Between form annular groove, inner cavity and perforative pin hole are equipped in the piston skirt, the bottom of piston skirt is equipped with male half coupling, including
Following steps：
S1：Initial wash：Steel pistons to be repaired are cleaned, remove oil stain and other spots；
S2：First time clamping：Clamping is carried out on the basis of one of groove bottom diameter and top plane to steel pistons to fix；
S3：Repair male half coupling：Material is carried out to male half coupling, reaches machining benchmark requirement；
S4：Second of clamping：Clamping is carried out on the basis of pin hole and the male half coupling repaired to steel pistons to fix；
S5：Reduce combustion chamber volume：Material is carried out to top plane, makes engine compression ratio constant；
S6：Third time clamping：Clamping is carried out on the basis of the top plane repaired and the male half coupling repaired to steel pistons to fix；
S7：Repair steel pistons ring side：Material is carried out to piston skirt, firepower bank and the outer diameter and annular groove of ring bank, reaches it
To can service requirement；
S8：No. the 4th clamping：Clamping is carried out on the basis of the top plane and male half coupling that repair to steel pistons to fix；
S9：Repair pin hole：Material is carried out to pin hole, reaching can service requirement；
S10：It is cleaned after reparation：Steel pistons after reparation are cleaned, remove steel cuttings and spot；
S11：Packaging：The steel pistons repaired are packed.
As being further improved for above-mentioned technical proposal：
In step slo, after repairing cleaning, graphitization processing is carried out to piston skirt.
In step S3 and S7, material is carried out using turnery processing；In step s 5, de-material is carried out using grinding
Material；In step s 9, material is carried out using boring processing.
A kind of reproducing method of steel pistons, the steel pistons include piston crown and piston skirt, the piston crown
Equipped with combustion chamber and top plane, the ring side of piston crown sets spaced firepower bank and ring bank, firepower bank and ring bank and adjacent
Annular groove is formed between ring bank, inner cavity and perforative pin hole are equipped in the piston skirt, the bottom of piston skirt is equipped with male half coupling,
Comprise the following steps：
S1：Initial wash：Steel pistons to be repaired are cleaned, remove oil stain and other spots；
S2：First time clamping：Clamping is carried out on the basis of one of groove bottom diameter and top plane to steel pistons to fix；
S3：Positioning datum in processing：One interior positioning region is processed to inner cavity top；
S4：Second of clamping：Within positioning region and top plane on the basis of to steel pistons carry out clamping fix；
S5：Repair male half coupling：Material is carried out to male half coupling, reaches machining benchmark requirement；
S6：Third time clamping：Clamping is carried out on the basis of pin hole and the male half coupling repaired to steel pistons to fix；
S7：Reduce combustion chamber volume：Material is carried out to top plane, makes engine compression ratio constant；
S8：No. the 4th clamping：Clamping is carried out on the basis of the top plane repaired and the male half coupling repaired to steel pistons to fix；
S9：Repair steel pistons ring side：Material is carried out to piston skirt, firepower bank and the outer diameter and annular groove of ring bank, reaches it
To can service requirement；
S10：No. the 5th clamping：Clamping is carried out on the basis of the top plane and male half coupling that repair to steel pistons to fix；
S11：Repair pin hole：Material is carried out to pin hole, reaching can service requirement；
S12：It is cleaned after reparation：Steel pistons after reparation are cleaned, remove steel cuttings and spot；
S13：Packaging：The steel pistons repaired are packed.
As being further improved for above-mentioned technical proposal：
In step s 12, after being cleaned after reparation, graphitization processing is carried out to piston skirt.
In step S5 and S9, material is carried out using turnery processing；In the step s 7, de-material is carried out using grinding
Material；In step s 11, material is carried out using boring processing.
In step s3, the interior positioning region is processed to the center of inner cavity top, hole centered on the interior positioning region
Structure.
In step s3, using centre bore described in drilling and Milling Process.
In step s3, two avris of inner cavity top are processed with the interior positioning region, the interior positioning region is inner stopper knot
Structure.
In step s3, using inner stopper described in Milling Process.
Compared with prior art, the advantage of the invention is that：
The reproducing method of the steel pistons of the present invention, after steel pistons operation a period of time, main abrasion or deformation position are
Annular groove, pin hole, skirt section, firepower bank, ring bank and male half coupling, and groove bottom diameter and top plane due to not with cylinder sleeve, piston ring, work
Plug pin etc. contacts directly, therefore deformation is not damaged substantially.It is whole using groove bottom diameter and top plane as initial baseline in this method
The reparation that steel pistons are carried out by the way of material is removed remanufactures, and can solve what internal combustion engine piston during overhaul was not repaired
Problem, the high-volume reparation of steel pistons remanufacture, can prevent during Internal-Combustion Engine Maintenance steel construction piston be dropped and caused by it is huge
The wasting of resources, the usage times of steel pistons can be extended, save whole maintenance cost；It overcomes steel pistons and repairs orientation problem,
Male half coupling is repaired with top plane and groove bottom diameter positioning, positioning requirements when piston is repaired is can guarantee, realizes steel pistons Repair gene
Mass production.
Description of the drawings
Fig. 1 is the main cross section structure diagram of steel pistons in the embodiment of the present invention 1.
Fig. 2 is the flow chart of the embodiment of the present invention 1.
Fig. 3 is the main cross section structure diagram of steel pistons in the embodiment of the present invention 2.
Fig. 4 is the side schematic cross-sectional view of steel pistons in the embodiment of the present invention 2.
Fig. 5 is the flow chart of the embodiment of the present invention 2 and embodiment 3.
Fig. 6 is the main cross section structure diagram of steel pistons in the embodiment of the present invention 3.
Fig. 7 is the present invention looks up structural representation of steel pistons in the embodiment of the present invention 3.
Each label represents in figure：
1st, piston crown；11st, combustion chamber；12nd, plane is pushed up；13rd, firepower bank；14th, ring bank；15th, annular groove；2nd, piston skirt；21st, it is interior
Chamber；211st, interior positioning region；22nd, pin hole；23rd, male half coupling.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Embodiment 1：
As depicted in figs. 1 and 2, the first embodiment of the reproducing method of steel pistons of the present invention, steel pistons include piston crown 1
With piston skirt 2, piston crown 1 is equipped with combustion chamber 11 and top plane 12, and the ring side of piston crown 1 sets spaced firepower bank 13
With ring bank 14, annular groove 15 is formed between firepower bank 13 and ring bank 14 and adjacent ring bank 14,21 He of inner cavity is equipped in piston skirt 2
Perforative pin hole 22, the bottom of piston skirt 2 are equipped with male half coupling 23, comprise the following steps：
S1：Initial wash：Steel pistons to be repaired are cleaned, remove oil stain and other spots；
S2：First time clamping：Clamping is carried out on the basis of one of 15 bottom footpath of annular groove and top plane 12 to steel pistons to fix；
S3：Repair male half coupling 23：Material is carried out to male half coupling 23, reaches positioning datum requirement；
S4：Second of clamping：Clamping is carried out on the basis of pin hole 22 and the male half coupling 23 repaired to steel pistons to fix；
S5：Reduce 11 volume of combustion chamber：Material is carried out to top plane 12, makes engine compression ratio constant；
S6：Third time clamping：Clamping is carried out to steel pistons on the basis of the top plane 12 repaired and the male half coupling 23 repaired
It is fixed；
S7：Repair steel pistons ring side：Material is carried out to piston skirt 2, firepower bank 13 and the outer diameter and annular groove 15 of ring bank 14,
Reaching can service requirement；
S8：No. the 4th clamping：Clamping is carried out on the basis of the top plane 12 and male half coupling 23 that repair to steel pistons to fix；
S9：Repair pin hole 22：Material is carried out to pin hole 22, reaching can service requirement；
S10：It is cleaned after reparation：Steel pistons after reparation are cleaned, remove steel cuttings and spot；
S11：Packaging：The steel pistons repaired are packed.
After steel pistons operation a period of time, main abrasion or deformation position are annular groove 15, pin hole 22 and piston skirt
Portion 2, firepower bank 13 and ring bank 14 and male half coupling 23, and 15 bottom footpath of annular groove and push up plane 12 due to not with cylinder sleeve, piston ring, work
Plug pin etc. contacts directly, therefore is not damaged deformation substantially.It is initial baseline with 15 bottom footpath of annular groove and top plane 12 in this method,
The whole reparation that steel pistons are carried out by the way of material is removed remanufactures, and can solve internal combustion engine piston during overhaul and not repair
The problem of multiple, the high-volume reparation of steel pistons remanufactures, can prevent internal combustion engine steel construction piston be dropped and caused by it is huge
The wasting of resources can extend the usage time of steel pistons, save whole maintenance cost；It overcomes steel pistons and repairs orientation problem, use
It pushes up plane 12 and male half coupling 23 is repaired in the positioning of 15 bottom footpath of annular groove, can guarantee positioning requirements when piston is repaired, realize steel pistons reparation
The mass production of processing.
In the present embodiment, in step slo, after repairing cleaning, graphitization processing is carried out to piston skirt 2.Using the stone
After blackization processing, the greasy property of piston skirt is improved.
In the present embodiment, in step S3 and S7, material is carried out using turnery processing；In step s 5, using grinding
Processing carries out material；In step s 9, material is carried out using boring processing.In step S3 and S7, step S5 and step
Turning, grinding and boring processing are respectively adopted in S9, processing is simple easy to implement.
In the present embodiment, matching scheme and the steel pistons reparation of piston connecting rod unit are adapted：Cylinder sleeve, piston ring, piston pin,
The matching for the working face that connecting rod etc. contacts each other with steel pistons, mainly：Circular diameter reduces in cylinder sleeve, piston ring increases, lives
The diminution of plug ring overall diameter, piston ring inner diameter reductions, piston pin external diameter increase, and gudgeon pin bore diameter reduces, in small end of connecting rod
Bore dia increases.First, circular diameter reduces in cylinder sleeve, the size that the size of diminution is reduced with piston external diameter matches.Second is that piston
Ring increases, and the size that the size increased is increased with 15 width of annular groove matches；Piston ring overall diameter reduces, outside the piston ring of diminution
Diameter dimension matches with circular diameter in the cylinder sleeve reduced；Piston ring inner diameter reductions, size and the 15 bottom footpath of annular groove of diminution are contracted
Small size matches.Third, piston pin external diameter increases, the size that the size of increasing is increased with pin hole 22 matches；In piston pin
Bore dia reduces, and ensures that piston, piston ring, the total weight of piston pin are consistent with former design.
In the present embodiment, the matched design principle of piston connecting rod unit is：Compression ratio：After piston reduces cylinder diameter, stroke is kept
It is constant, reduce the volume of piston combustion bowl, to ensure that engine compression ratio is constant；Volume：Cylinder diameter, displacement volume diminution are reduced,
To keep compression ratio constant, diminution 11 volume of piston combustion bowl of plane 12 is pushed up by being ground piston crown 1, to realize and former machine one
The fuel economy of cause and external characteristics index；Compression is high：11 volume of piston combustion bowl is reduced, the compression height of piston becomes smaller；It repairs
The center of piston pin hole 22 to piston skirt 2 away from piston crown 1 is moved during piston, high design requirement is compressed to meet, protects
Compression ratio is demonstrate,proved in the range of design requirement；Weight：Piston diameter reduces, and piston weight reduces, and increases the diminution of piston pin external diameter
Gudgeon pin bore realizes the weightening of piston pin, reaches piston, cylinder sleeve, piston ring, piston pin, the weight-matched of connecting rod and original and sets
It counts basically identical.
Embodiment 2：
Fig. 3 to Fig. 5 shows second of embodiment of the reproducing method of steel pistons of the present invention, and steel pistons include piston crown 1
With piston skirt 2, piston crown 1 is equipped with combustion chamber 11 and top plane 12, and the ring side of piston crown 1 sets spaced firepower bank 13
With ring bank 14, annular groove 15 is formed between firepower bank 13 and ring bank 14 and adjacent ring bank 14,21 He of inner cavity is equipped in piston skirt 2
Perforative pin hole 22, the bottom of piston skirt 2 are equipped with male half coupling 23, comprise the following steps：
S1：Initial wash：Steel pistons to be repaired are cleaned, remove oil stain and other spots；
S2：First time clamping：Clamping is carried out on the basis of one of 15 bottom footpath of annular groove and top plane 12 to steel pistons to fix；
S3：Positioning datum in processing：To 21 top one interior positioning region 211 of processing of inner cavity；
S4：Second of clamping：Within positioning region 211 and top plane 12 on the basis of to steel pistons carry out clamping fix；
S5：Repair male half coupling 23：Material is carried out to male half coupling 23, reaches positioning datum requirement；
S6：Third time clamping：Clamping is carried out on the basis of pin hole 22 and the male half coupling 23 repaired to steel pistons to fix；
S7：Reduce 11 volume of combustion chamber：Material is carried out to top plane 12, makes engine compression ratio constant；
S8：No. the 4th clamping：Clamping is carried out on the basis of the male half coupling 23 for pushing up plane 12 and repairing to steel pistons to fix；
S9：Repair steel pistons ring side：Material is carried out to piston skirt 2, firepower bank 13 and the outer diameter and annular groove 15 of ring bank 14,
Reaching can service requirement；
S10：No. the 5th clamping：Clamping is carried out on the basis of the top plane 12 and male half coupling 23 that repair to steel pistons to fix；
S11：Repair pin hole 22：Material is carried out to pin hole 22, reaching can service requirement；
S12：It is cleaned after reparation：Steel pistons after reparation are cleaned, remove steel cuttings and spot；
S13：Packaging：The steel pistons repaired are packed.
After steel pistons operation a period of time, main abrasion or deformation position are annular groove 15, pin hole 22 and piston skirt
Portion 2, firepower bank 13 and ring bank 14 and male half coupling 23, and 15 bottom footpath of annular groove and push up plane 12 due to not with cylinder sleeve, piston ring, work
Plug pin etc. contacts directly, therefore is not damaged deformation substantially.It is initial baseline with 15 bottom footpath of annular groove and top plane 12 in this method,
First process an interior positioning region 211, then within positioning region 211 and top plane 12 be Remediation criterion, it is whole using removal material
The reparation that mode carries out steel pistons remanufactures, and can solve the problems, such as that internal combustion engine piston during overhaul is not repaired, steel pistons
High-volume is repaired and remanufactured, can prevent steel construction piston during Internal-Combustion Engine Maintenance be dropped and caused by the huge wasting of resources, energy
Extend the usage time of steel pistons, save whole maintenance cost；It overcomes steel pistons and repairs orientation problem, with top plane 12 and interior
Male half coupling 23 is repaired in the positioning of positioning region 211, can guarantee positioning requirements when piston is repaired, and realizes the mass of steel pistons Repair gene
Production.
In the present embodiment, in step s 13, after repairing cleaning, graphitization processing is carried out to piston skirt 2.Using the stone
After blackization processing, the greasy property of piston skirt is improved.
In the present embodiment, in step S5 and S9, material is carried out using turnery processing；In the step s 7, using grinding
Processing carries out material；In step s 11, material is carried out using boring processing.In step S5 and S9, step S7 and step
Turning, grinding and boring processing are respectively adopted in S11, processing is simple easy to implement.
In the present embodiment, in step s3, to positioning region 211 in the center processing at 21 top of inner cavity, interior positioning region
Pore structure centered on 211.Inner cavity 21, which is extended, with frock and withstands centre bore coordinates the dress that can be completed to steel pistons with pushing up plane 12
Position is clamped, it is easy to operate.
In the present embodiment, in step s3, using drilling and Milling Machining Center hole.Using drilling and Milling Process,
Processing is simple easy to implement.
Embodiment 3：
Fig. 5 to Fig. 7 shows the third embodiment of the reproducing method of steel pistons of the present invention, the reproducing method and embodiment
2 is essentially identical, differs only in：In the present embodiment, in step s3, to positioning region in the two avris processing at 21 top of inner cavity
211, interior positioning region 211 is inner stopper structure.Using inner stopper structure, extend inner cavity 21 with frock and withstand inner stopper and put down with top
Face 12 coordinates the Set and Positioning that can be completed to steel pistons, easy to operate.
In the present embodiment, in step s3, using Milling Process inner stopper.Using Milling Process, processing is simple easy
It realizes.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to.It is any to be familiar with ability
The technical staff in domain, in the case where not departing from technical solution of the present invention scope, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every
Without departing from the content of technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments,
Equivalent variations and modification should all fall in the range of technical solution of the present invention protection.
Claims (10)
1. a kind of reproducing method of steel pistons, the steel pistons include piston crown（1）And piston skirt（2）, the piston
Head（1）Top is equipped with combustion chamber（11）And top plane（12）, piston crown（1）Ring side set spaced firepower bank（13）With
Ring bank（14）, firepower bank（13）With ring bank（14）And adjacent ring bank（14）Between form annular groove（15）, the piston skirt（2）
It is interior to be equipped with inner cavity（21）With perforative pin hole（22）, piston skirt（2）Bottom be equipped with male half coupling（23）, it is characterised in that：Bag
Include following steps：
S1：Initial wash：Steel pistons to be repaired are cleaned, remove oil stain and other spots；
S2：First time clamping：With one of annular groove（15）Bottom footpath and top plane（12）On the basis of to steel pistons carry out clamping consolidate
It is fixed；
S3：Repair male half coupling（23）：To male half coupling（23）Material is carried out, reaches machining benchmark requirement；
S4：Second of clamping：With pin hole（22）With the male half coupling repaired（23）On the basis of to steel pistons carry out clamping fix；
S5：Reduce combustion chamber（11）Volume：To pushing up plane（12）Material is carried out, makes engine compression ratio constant；
S6：Third time clamping：With the top plane repaired（12）With the male half coupling repaired（23）On the basis of to steel pistons carry out
Clamping is fixed；
S7：Repair steel pistons ring side：To piston skirt（2）, firepower bank（13）With ring bank（14）Outer diameter and annular groove（15）Into
Row removes material, and reaching can service requirement；
S8：No. the 4th clamping：With the top plane repaired（12）And male half coupling（23）On the basis of to steel pistons carry out clamping fix；
S9：Repair pin hole（22）：To pin hole（22）Material is carried out, reaching can service requirement；
S10：It is cleaned after reparation：Steel pistons after reparation are cleaned, remove steel cuttings and spot；
S11：Packaging：The steel pistons repaired are packed.
2. the reproducing method of steel pistons according to claim 1, it is characterised in that：In step slo, cleaning is repaired
Afterwards, to piston skirt（2）Carry out graphitization processing.
3. the reproducing method of steel pistons according to claim 2, it is characterised in that：In step S3 and S7, using vehicle
It cuts processing and carries out material；In step s 5, material is carried out using grinding；In step s 9, using boring process into
Row removes material.
4. a kind of reproducing method of steel pistons, the steel pistons include piston crown（1）And piston skirt（2）, the piston
Head（1）Top is equipped with combustion chamber（11）And top plane（12）, piston crown（1）Ring side set spaced firepower bank（13）With
Ring bank（14）, firepower bank（13）With ring bank（14）And adjacent ring bank（14）Between form annular groove（15）, the piston skirt（2）
It is interior to be equipped with inner cavity（21）With perforative pin hole（22）, piston skirt（2）Bottom be equipped with male half coupling（23）, it is characterised in that：Bag
Include following steps：
S1：Initial wash：Steel pistons to be repaired are cleaned, remove oil stain and other spots；
S2：First time clamping：With one of annular groove（15）Bottom footpath and top plane（12）On the basis of to steel pistons carry out clamping consolidate
It is fixed；
S3：Positioning datum in processing：To inner cavity（21）Top processes an interior positioning region（211）；
S4：Second of clamping：Within positioning region（211）With top plane（12）On the basis of to steel pistons carry out clamping fix；
S5：Repair male half coupling（23）：To male half coupling（23）Material is carried out, reaches machining benchmark requirement；
S6：Third time clamping：With pin hole（22）With the male half coupling repaired（23）On the basis of to steel pistons carry out clamping fix；
S7：Reduce combustion chamber（11）Volume：To pushing up plane（12）Material is carried out, makes engine compression ratio constant；
S8：No. the 4th clamping：With the top plane repaired（12）With the male half coupling repaired（23）On the basis of to steel pistons carry out
Clamping is fixed；
S9：Repair steel pistons ring side：To piston skirt（2）, firepower bank（13）With ring bank（14）Outer diameter and annular groove（15）Into
Row removes material, and reaching can service requirement；
S10：No. the 5th clamping：With the top plane repaired（12）And male half coupling（23）On the basis of to steel pistons carry out clamping consolidate
It is fixed；
S11：Repair pin hole（22）：To pin hole（22）Material is carried out, reaching can service requirement；
S12：It is cleaned after reparation：Steel pistons after reparation are cleaned, remove steel cuttings and spot；
S13：Packaging：The steel pistons repaired are packed.
5. the reproducing method of steel pistons according to claim 4, it is characterised in that：In step s 12, cleaning is repaired
Afterwards, to piston skirt（2）Carry out graphitization processing.
6. the reproducing method of steel pistons according to claim 5, it is characterised in that：In step S5 and S9, using vehicle
It cuts processing and carries out material；In the step s 7, material is carried out using grinding；In step s 11, using boring process into
Row removes material.
7. the reproducing method of the steel pistons according to any one of claim 4 to 6, it is characterised in that：In step s3,
To inner cavity（21）The center at top processes the interior positioning region（211）, the interior positioning region（211）Centered on pore structure.
8. the reproducing method of steel pistons according to claim 7, it is characterised in that：In step s3, using drilling and
Centre bore described in Milling Process.
9. the reproducing method of the steel pistons according to any one of claim 4 to 6, it is characterised in that：In step s3,
To inner cavity（21）Two avris at top process the interior positioning region（211）, the interior positioning region（211）For inner stopper structure.
10. the reproducing method of steel pistons according to claim 9, it is characterised in that：In step s3, using milling plus
Inner stopper described in work.
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| CN201610993356.9A CN108067808B (en) | 2016-11-11 | 2016-11-11 | A kind of reproducing method of steel pistons |
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| CN201610993356.9A CN108067808B (en) | 2016-11-11 | 2016-11-11 | A kind of reproducing method of steel pistons |
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| CN108067808A true CN108067808A (en) | 2018-05-25 |
| CN108067808B CN108067808B (en) | 2019-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548506A (en) * | 2020-12-11 | 2021-03-26 | 湖南江滨机器（集团）有限责任公司 | Remanufacturing method of steel piston |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1956454A (en) * | 1933-08-01 | 1934-04-24 | Charles P Long Sr | Piston expander |
| CN101065568A (en) * | 2004-11-24 | 2007-10-31 | 马勒公司 | Method for producing a piston for a combustion engine |
| WO2008092294A1 (en) * | 2007-01-17 | 2008-08-07 | Dennis Tien Lam | A piston of an internal combustion engine |
| CN101265854A (en) * | 2007-07-20 | 2008-09-17 | 山东滨州渤海活塞股份有限公司 | Laser welding forged steel integral piston with closed inner-cooling oil recess and its fabrication process |
| CN201187358Y (en) * | 2008-05-08 | 2009-01-28 | 山东滨州渤海活塞股份有限公司 | Forged steel integrated piston made by laser welding with closed internal cooling oil cavity |
| CN201865784U (en) * | 2010-11-29 | 2011-06-15 | 徐飞 | Piston for liquefied petroleum gas engine of fork truck |
| CN102922214A (en) * | 2012-11-29 | 2013-02-13 | 唐山开滦广汇设备制造有限公司 | Technology for repairing surface damages of bores of cylinder parts |
| CN106480444A (en) * | 2015-08-26 | 2017-03-08 | 卡特彼勒公司 | The method that piston and piston are remanufactured |
-
2016
- 2016-11-11 CN CN201610993356.9A patent/CN108067808B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1956454A (en) * | 1933-08-01 | 1934-04-24 | Charles P Long Sr | Piston expander |
| CN101065568A (en) * | 2004-11-24 | 2007-10-31 | 马勒公司 | Method for producing a piston for a combustion engine |
| WO2008092294A1 (en) * | 2007-01-17 | 2008-08-07 | Dennis Tien Lam | A piston of an internal combustion engine |
| CN101265854A (en) * | 2007-07-20 | 2008-09-17 | 山东滨州渤海活塞股份有限公司 | Laser welding forged steel integral piston with closed inner-cooling oil recess and its fabrication process |
| CN201187358Y (en) * | 2008-05-08 | 2009-01-28 | 山东滨州渤海活塞股份有限公司 | Forged steel integrated piston made by laser welding with closed internal cooling oil cavity |
| CN201865784U (en) * | 2010-11-29 | 2011-06-15 | 徐飞 | Piston for liquefied petroleum gas engine of fork truck |
| CN102922214A (en) * | 2012-11-29 | 2013-02-13 | 唐山开滦广汇设备制造有限公司 | Technology for repairing surface damages of bores of cylinder parts |
| CN106480444A (en) * | 2015-08-26 | 2017-03-08 | 卡特彼勒公司 | The method that piston and piston are remanufactured |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548506A (en) * | 2020-12-11 | 2021-03-26 | 湖南江滨机器（集团）有限责任公司 | Remanufacturing method of steel piston |
| CN112548506B (en) * | 2020-12-11 | 2022-07-05 | 湖南江滨机器（集团）有限责任公司 | Remanufacturing method of steel piston |
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| CN108067808B (en) | 2019-08-30 |
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