CN101947720A - Processing technology for plunger ring - Google Patents
Processing technology for plunger ring Download PDFInfo
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- CN101947720A CN101947720A CN 201010292518 CN201010292518A CN101947720A CN 101947720 A CN101947720 A CN 101947720A CN 201010292518 CN201010292518 CN 201010292518 CN 201010292518 A CN201010292518 A CN 201010292518A CN 101947720 A CN101947720 A CN 101947720A
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- ring
- plunger ring
- plunger
- processing technology
- shaped groove
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- 238000005516 engineering process Methods 0.000 title claims abstract description 41
- 238000005496 tempering Methods 0.000 claims abstract description 25
- 238000005336 cracking Methods 0.000 claims abstract description 12
- 238000007514 turning Methods 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 208000001840 Dandruff Diseases 0.000 claims description 14
- 238000010791 quenching Methods 0.000 claims description 9
- 230000000171 quenching effect Effects 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention aims to disclose processing technology for a plunger ring. The processing technology comprises the following steps of: (1) performing turning for shaping; (2) processing an internal hole V-shaped groove; (3) marking; (4) performing vacuum heat treatment; (5) finely grinding two end faces; (6) finely grinding the external circle; (7) finely grinding the external spherical face; (8) polishing the surface; (9) supplying and tempering; and (10) cracking the plunger ring to manufacture the finished product of the plunger ring. The processing technology has the advantages of improving the size precision and the external spherical error of the plunger ring product, effectively controlling the shape and the depth of the internal hole V-shaped grove of the plunger ring, ensuring the normal cracking and gap width tolerance of the plunger ring and fulfilling the aim of the invention.
Description
Technical field
The present invention relates to a kind of processing technology, particularly a kind of processing technology that is used for processing high pressure inclined shaft oil pump plunger ring.
Background technology
Plunger ring is the critical component in the high pressure inclined shaft oil pump, because plunger ring requires the dimensional accuracy height, the opening reseting performance is good, wearability is strong, therefore, plunger ring in the existing high pressure inclined shaft oil pump all is to rely on external import for a long time, and the domestic manufacturer production that does not have specialty does not have corresponding professional standard yet.
As depicted in figs. 1 and 2, the structure of plunger ring comprises a ring bodies 100 and the opening of offering at the endoporus place of ring bodies 100 110, and opening 110 is a V-shaped groove, and the lateral surface of ring bodies 100 is a sphere.
In the process of plunger ring, the spherical outside surface of the V-shaped groove of processing endoporus and correct grinding plunger ring is two road important procedures in the processing technology of plunger ring, and there is following shortcoming in the processing technology according to existing plunger ring commonly used:
1, in the processing technology of the existing plunger ring of using always, the method (as shown in Figure 3) of employing kerve is processed the V-shaped groove of plunger ring endoporus, pulls out V-shaped groove by at hydraulic press broaching tool 200 being installed at the plunger ring endoporus; Its shortcoming is that this sample loading mode makes tool wear than very fast, is easy to generate quick-fried cutter, and the dark degree of wayward V-shaped groove simultaneously influences the cracking of plunger ring.
2, in the processing technology of the existing plunger ring of using always, adopt and revise the spherical outside surface that the formed grinding wheel plunge-cutting finish grindes plunger ring, control plunger ring diameter is finished the processing of spherical outside surface; Its shortcoming is that the plunger ring spherical outside surface deviation from spherical form that finish grindes by the way is big, influences the finished product accuracy of plunger ring.
In sum, at the above-mentioned defective that the processing technology of plunger ring exists, need a kind of processing technology of plunger ring especially, to solve above-mentioned safety issue.
Summary of the invention
The object of the present invention is to provide a kind of processing technology of plunger ring, improve the precision of plunger ring, make the spherical outside surface deviation from spherical form reach predetermined index, the degree of depth of control V-shaped groove guarantees the normal crack of plunger ring and stitches wide tolerance.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of processing technology of plunger ring is characterized in that it comprises the steps:
(1) turning is shaped, and according to the dimensional requirement of plunger ring raw material is carried out the ring bodies that plunger ring is made in turning;
(2) processing endoporus V-shaped groove is gone out V-shaped groove by Sheet Metal Forming Technology on endoporus;
(3) marking is gone out mark by desk-top punch press at an end face of ring bodies, represents that this end face is the facet of plunger ring;
(4) vacuum heat is carried out vacuum heat to the above-mentioned ring bodies of going out V-shaped groove;
(5) the correct grinding biend finish grindes the ring bodies end faces of both sides;
(6) the correct grinding cylindrical finish grindes the ring bodies cylindrical;
(7) the correct grinding spherical outside surface finish grindes the lateral surface of ring bodies, is finish-ground to sphere;
(8) surface finish is polished the surface of ring bodies;
(9) replenish tempering, the ring bodies after the polishing is carried out tempering;
(10) the cracking plunger ring ftractures to ring bodies by the V-shaped groove on the endoporus, makes the finished product of plunger ring.
In one embodiment of the invention, described raw material adopt high-carbon-chromium bearing steel.
In one embodiment of the invention, described Sheet Metal Forming Technology is carried out punching press from top to bottom for the ring bodies of plunger ring being placed on the Δ shape edge of a knife from the upper end of ring bodies, goes out V-shaped groove on the endoporus of the ring bodies of plunger ring; Can be used for the plunger ring processing of different size, long service life, anti-punching press is difficult for explosion; Control the V-shaped groove depth tolerances simultaneously easily, guarantee the normal crack of plunger ring, improved the working (machining) efficiency of plunger ring.
Further, the opening angle θ of described V-shaped groove is 57 °-63 °, and the degree of depth of described V-shaped groove is 0.15-0.85mm.
In one embodiment of the invention, described mark and V-shaped groove angulation α are 12 °-18 °, and the degree of depth of described mark is 0.15-0.2mm.
In one embodiment of the invention, described vacuum heat is Quenching Treatment → ice-cold processing → temper.
Further, the hardening heat of described Quenching Treatment is 840 ± 5 ℃, and the cool time is＞60 minutes.
Further, the ice-cold temperature of described ice-cold processing is less than-60 ℃, and the ice-cold time is 〉=60 minutes.
Further, the temperature of described temper is 150 ± 5 ℃, and tempering time is＞120 minutes.
In one embodiment of the invention, adopt the generation method spherical grinding, finish grind spherical outside surface, grinding stock 0.008-0.02mm at desk-top magnetic clamp grinding machine.
Spherical outside surface to the ring bodies of plunger ring carries out accurate grinding processing, has improved the deviation from spherical form precision of plunger ring spherical outside surface, guarantees the outside dimension tolerance of plunger ring.
In one embodiment of the invention, in the described additional tempering step, additional temperature is 160 ℃-170 ℃, and tempering time is 14-16 hour.
In one embodiment of the invention, the performance parameter of described plunger ring is 60-64 for hardness number HRC; Metallographic structure is the 2-3 level; Plunger ring spherical outside surface diameter tolerance is-0.005/-0.015; Plunger ring spherical outside surface off normal tolerance is ± 0.04mm; V-shaped groove cracking back seam is wide to be≤0.3mm.
The processing technology of plunger ring of the present invention has improved plunger ring dimensional accuracy of products and spherical outside surface deviation from spherical form, has controlled the shape and the degree of depth of plunger ring endoporus V-shaped groove effectively, has guaranteed the normal crack and the wide tolerance of seam of plunger ring, realizes purpose of the present invention.
Characteristics of the present invention can be consulted the detailed description of the graphic and following better embodiment of this case and be obtained to be well understood to.
Description of drawings
Fig. 1 is the structural representation of plunger ring;
Fig. 2 is the side schematic view of the plunger ring among Fig. 1;
Fig. 3 is the schematic diagram of existing V-shaped groove kerve technology;
Fig. 4 is the schematic diagram of V-shaped groove Sheet Metal Forming Technology of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
The processing technology of a kind of plunger ring of the present invention, it comprises the steps:
(1) turning is shaped, and according to the dimensional requirement of plunger ring raw material is carried out the ring bodies 100 that plunger ring is made in turning;
(2) processing endoporus V-shaped groove is gone out V-shaped groove 110 by Sheet Metal Forming Technology on the endoporus of ring bodies 100;
(3) marking is gone out mark 120 by desk-top punch press at an end face of ring bodies 100, represents that this end face is the facet of plunger ring;
(4) vacuum heat is carried out vacuum heat to the above-mentioned ring bodies 100 of going out V-shaped groove 110;
(5) the correct grinding biend finish grindes ring bodies 100 end faces of both sides;
(6) the correct grinding cylindrical finish grindes ring bodies 100 cylindricals;
(7) the correct grinding spherical outside surface finish grindes the lateral surface of ring bodies 100, is finish-ground to sphere;
(8) surface finish is polished the surface of ring bodies 100;
(9) replenish tempering, the ring bodies 100 after the polishing is carried out tempering;
(10) the cracking plunger ring ftractures by 110 pairs of ring bodies 100 of the V-shaped groove on the endoporus, makes the finished product of plunger ring.(referring to Fig. 1 and Fig. 2)
In the present invention, described raw material adopt high-carbon-chromium bearing steel.
As shown in Figure 4, in the present invention, described Sheet Metal Forming Technology is carried out punching press from top to bottom for the ring bodies 100 of plunger ring is placed on the Δ shape edge of a knife 300 from the upper end of ring bodies 100, goes out V-shaped groove 110 on the endoporus of the ring bodies 100 of plunger ring; Can be used for the plunger ring processing of different size, long service life, anti-punching press is difficult for explosion; Control the V-shaped groove depth tolerances simultaneously easily, guarantee the normal crack of plunger ring, improved the working (machining) efficiency of plunger ring.
The opening angle θ of V-shaped groove 110 is 57 °-63 °, and according to the different size of plunger ring, the depth H of V-shaped groove 110 is 0.15-0.85mm.
Mark 120 is 12 °-18 ° with V-shaped groove 110 angulation α, and the degree of depth of mark 120 is 0.15-0.2mm.
In the present invention, described vacuum heat is Quenching Treatment → ice-cold processing → temper; The hardening heat of described Quenching Treatment is 840 ± 5 ℃, and the cool time is＞60 minutes; The ice-cold temperature of described ice-cold processing is less than-60 ℃, and the ice-cold time is 〉=60 minutes; The temperature of described temper is 150 ± 5 ℃, and tempering time is＞120 minutes.
In the present invention, adopt the generation method spherical grinding, finish grind spherical outside surface, grinding stock 0.008-0.02mm at desk-top magnetic clamp grinding machine.
Spherical outside surface to the ring bodies 100 of plunger ring carries out accurate grinding processing, has improved the deviation from spherical form precision of plunger ring spherical outside surface, guarantees the outside dimension tolerance of plunger ring.
In the present invention, in the described additional tempering step, additional temperature is 160 ℃-170 ℃, and tempering time is 14-16 hour.
In the present invention, the performance parameter of described plunger ring is 60-64 for hardness number HRC; Metallographic structure is the 2-3 level; Plunger ring spherical outside surface diameter tolerance is-0.005/-0.015; Plunger ring spherical outside surface off normal tolerance is ± 0.04mm; V-shaped groove cracking back seam is wide to be≤0.3mm.
In the present embodiment, according to the processing technology step processing plunger ring of the plunger ring of the invention described above.
Wherein, the opening angle θ of V-shaped groove 110 is 57 °, and the depth H of V-shaped groove 110 is 0.15mm.
The hardening heat of described Quenching Treatment is 835 ℃, and the cool time is 61 minutes; The ice-cold temperature of described ice-cold processing is-61 ℃, and the ice-cold time is 60 minutes; The temperature of described temper is 145 ℃, and tempering time is 121 minutes.
In the described additional tempering step, additional temperature is 160 ℃, and tempering time is 14 hours.
The performance parameter of described plunger ring is 61 for hardness number HRC; Metallographic structure is 2 grades; Plunger ring spherical outside surface diameter is
Plunger ring spherical outside surface off normal is 0.35 ± 0.02mm; V-shaped groove cracking back seam is wide to be≤0.1mm.
Embodiment 2
In the present embodiment, according to the processing technology step processing plunger ring of the plunger ring of the invention described above.
Wherein, the opening angle θ of V-shaped groove 110 is 63 °, and the depth H of V-shaped groove 110 is 0.85mm.
The hardening heat of described Quenching Treatment is 845 ℃, and the cool time is 80 minutes; The ice-cold temperature of described ice-cold processing is-80 ℃, and the ice-cold time is 80 minutes; The temperature of described temper is 155 ℃, and tempering time is 150 minutes.
In the described additional tempering step, additional temperature is 165 ℃, and tempering time is 15 hours.
The performance parameter of described plunger ring is 60 for hardness number HRC; Metallographic structure is 2 grades; Plunger ring spherical outside surface diameter is
Plunger ring spherical outside surface off normal is 1.2 ± 0.02mm; V-shaped groove cracking back seam is wide to be≤0.2mm.
Embodiment 3
In the present embodiment, according to the processing technology step processing plunger ring of the plunger ring of the invention described above.
Wherein, the opening angle θ of V-shaped groove 110 is 60 °, and the depth H of V-shaped groove 110 is 0.5mm.
The hardening heat of described Quenching Treatment is 840 ℃, and the cool time is 100 minutes; The ice-cold temperature of described ice-cold processing is-100 ℃, and the ice-cold time is 100 minutes; The temperature of described temper is 150 ℃, and tempering time is 180 minutes.
In the described additional tempering step, additional temperature is 170 ℃, and tempering time is 16 hours.
The performance parameter of described plunger ring is 62 for hardness number HRC; Metallographic structure is 2 grades; Plunger ring spherical outside surface diameter is
Plunger ring spherical outside surface off normal is 1.15 ± 0.02mm; V-shaped groove cracking back seam is wide to be≤0.1mm.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (12)
1. the processing technology of a plunger ring is characterized in that, it comprises the steps:
(1) turning is shaped, and according to the dimensional requirement of plunger ring raw material is carried out the ring bodies that plunger ring is made in turning;
(2) processing endoporus V-shaped groove is gone out V-shaped groove by Sheet Metal Forming Technology on endoporus;
(3) marking is gone out mark by desk-top punch press at an end face of ring bodies, represents that this end face is the facet of plunger ring;
(4) vacuum heat is carried out vacuum heat to the above-mentioned ring bodies of going out V-shaped groove;
(5) the correct grinding biend finish grindes the ring bodies end faces of both sides;
(6) the correct grinding cylindrical finish grindes the ring bodies cylindrical;
(7) the correct grinding spherical outside surface finish grindes the lateral surface of ring bodies, is finish-ground to sphere;
(8) surface finish is polished the surface of ring bodies;
(9) replenish tempering, the ring bodies after the polishing is carried out tempering;
(10) the cracking plunger ring ftractures to ring bodies by the V-shaped groove on the endoporus, makes the finished product of plunger ring.
2. the processing technology of plunger ring as claimed in claim 1 is characterized in that, described raw material adopt high-carbon-chromium bearing steel.
3. the processing technology of plunger ring as claimed in claim 1 is characterized in that, described Sheet Metal Forming Technology is carried out punching press from top to bottom for the ring bodies of plunger ring being placed on the Δ shape edge of a knife from the upper end of ring bodies, goes out V-shaped groove on the endoporus of the ring bodies of plunger ring.
4. the processing technology of plunger ring as claimed in claim 3 is characterized in that, the opening angle θ of described V-shaped groove is 57 °-63 °, and the degree of depth of described V-shaped groove is 0.15-0.85mm.
5. the processing technology of plunger ring as claimed in claim 1 is characterized in that, described mark and V-shaped groove angulation α are 12 °-18 °, and the degree of depth of described mark is 0.15-0.2mm.
6. the processing technology of plunger ring as claimed in claim 1 is characterized in that, described vacuum heat is Quenching Treatment → ice-cold processing → temper.
7. the processing technology of plunger ring as claimed in claim 6 is characterized in that, the hardening heat of described Quenching Treatment is 840 ± 5 ℃, and the cool time is＞60 minutes.
8. the processing technology of plunger ring as claimed in claim 6 is characterized in that, the ice-cold temperature of described ice-cold processing is less than-60 ℃, and the ice-cold time is 〉=60 minutes.
9. the processing technology of plunger ring as claimed in claim 6 is characterized in that, the temperature of described temper is 150 ± 5 ℃, and tempering time is＞120 minutes.
10. the processing technology of plunger ring as claimed in claim 1 is characterized in that, adopts the generation method spherical grinding, finish grindes spherical outside surface, grinding stock 0.008-0.02mm at desk-top magnetic clamp grinding machine.
11. the processing technology of plunger ring as claimed in claim 1 is characterized in that, in the described additional tempering step, additional temperature is 160 ℃-170 ℃, and tempering time is 14-16 hour.
12. the processing technology of plunger ring as claimed in claim 1 is characterized in that, the performance parameter of described plunger ring is 60-64 for hardness number HRC; Metallographic structure is the 2-3 level; Plunger ring spherical outside surface diameter tolerance is-0.005/-0.015; Plunger ring spherical outside surface off normal tolerance is ± 0.04mm; V-shaped groove cracking back seam is wide to be≤0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102925189A CN101947720B (en) | 2010-09-25 | 2010-09-25 | Processing technology for plunger ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102925189A CN101947720B (en) | 2010-09-25 | 2010-09-25 | Processing technology for plunger ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101947720A true CN101947720A (en) | 2011-01-19 |
| CN101947720B CN101947720B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102925189A Active CN101947720B (en) | 2010-09-25 | 2010-09-25 | Processing technology for plunger ring |
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| CN (1) | CN101947720B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862023A (en) * | 2012-08-29 | 2013-01-09 | 苏州市意可机电有限公司 | Machining process of positioning gasket |
| CN104117826A (en) * | 2014-07-24 | 2014-10-29 | 成都亨通兆业精密机械有限公司 | Method for manufacturing ring gauge facilitating detection efficiency |
| CN104400356A (en) * | 2014-11-24 | 2015-03-11 | 苏州市福迈精密机械有限公司 | Machining process for steel gasket |
| CN105936972A (en) * | 2016-06-24 | 2016-09-14 | 中航工业哈尔滨轴承有限公司 | Heat treatment technique for special-purpose bearing part made of high-carbon-chromium bearing steel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2723928C2 (en) * | 1976-09-17 | 1982-08-26 | Ntn Toyo Bearing Co. Ltd., Osaka | Method for producing a bearing ring split at one point on its circumference |
| DE3120655A1 (en) * | 1981-05-23 | 1983-06-01 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Split piston ring and a method for its manufacture |
-
2010
- 2010-09-25 CN CN2010102925189A patent/CN101947720B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2723928C2 (en) * | 1976-09-17 | 1982-08-26 | Ntn Toyo Bearing Co. Ltd., Osaka | Method for producing a bearing ring split at one point on its circumference |
| DE3120655A1 (en) * | 1981-05-23 | 1983-06-01 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Split piston ring and a method for its manufacture |
Non-Patent Citations (1)
| Title |
|---|
| 《车用发动机》 19821231 赴日柴油机技术考察组 访日报告之二 工艺技术简介__活塞环、缸套、油泵油咀、滤器 , 第06期 2 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862023A (en) * | 2012-08-29 | 2013-01-09 | 苏州市意可机电有限公司 | Machining process of positioning gasket |
| CN102862023B (en) * | 2012-08-29 | 2014-08-06 | 苏州市意可机电有限公司 | Machining process of positioning gasket |
| CN104117826A (en) * | 2014-07-24 | 2014-10-29 | 成都亨通兆业精密机械有限公司 | Method for manufacturing ring gauge facilitating detection efficiency |
| CN104400356A (en) * | 2014-11-24 | 2015-03-11 | 苏州市福迈精密机械有限公司 | Machining process for steel gasket |
| CN105936972A (en) * | 2016-06-24 | 2016-09-14 | 中航工业哈尔滨轴承有限公司 | Heat treatment technique for special-purpose bearing part made of high-carbon-chromium bearing steel |
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| Publication number | Publication date |
|---|---|
| CN101947720B (en) | 2012-05-23 |
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