CN104108011A - Ring gauge production method - Google Patents
Ring gauge production method Download PDFInfo
- Publication number
- CN104108011A CN104108011A CN201410354465.7A CN201410354465A CN104108011A CN 104108011 A CN104108011 A CN 104108011A CN 201410354465 A CN201410354465 A CN 201410354465A CN 104108011 A CN104108011 A CN 104108011A
- Authority
- CN
- China
- Prior art keywords
- ring gauge
- phosphating
- manufacture method
- temperature
- ring
- 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
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/34—Ring or other apertured gauges, e.g. "go/no-go" gauge
Abstract
The invention discloses a ring gauge production method. The ring gauge production method sequentially includes the steps of blank blanking, forging, internal circle and external circle machining, heat treatment, end face machining and fine grinding of an internal circle and an external circle, blanks are made of 45# steel or 40 Gr, heat treatment sequentially includes hot quenching and low tempering, hot quenching temperature is an optional numerical value between 825 DEG C and 835 DEG C, hot quenching time is not less than 0.6h, low tempering temperature is an optional numerical value between 165 DEG C and 185 DEG C, and low tempering time is not less than 1.5h. The ring gauge production method has the advantages that ring gauges longer in service life can be obtained easily, piston ring detection cost is lowered beneficially, and piston ring detection precision and piston ring detection reliability are improved beneficially.
Description
Technical field
The present invention relates to the manufacturing process for the measurer of size detection, particularly relate to a kind of manufacture method of ring gauge.
Background technology
Piston ring is as one of vital part in engine, and the quality of performance and quality directly affects the every technical-economic index of engine, and wherein the end-gaps of piston ring is one of important technological parameters affecting engine sealing property.Because the engine of the dissimilar and structure air leakage by piston ring end gap clearance is about 0.3% to 1.8% of air inflow, in order to reduce air leakage, just must reduce the end-gaps of piston ring, in existing standard, general provision end-gaps greatest limit tolerance is 0.3mm as far as possible.Along with improving constantly of engine performance, as at the continuous ripe supercharger h type engine h of technology in recent years, requirement to piston ring is more and more higher, if the end-gaps tolerance of some high-power Piston Ring for Auto Diesel Engine is only 0.1mm, this just makes piston ring in production and use procedure, and the quality of piston ring and size Control are seemed to particularly important.Critical piece for piston ring size detection in prior art is ring gauge, from piston ring copying, start to the whole process of product inspection, the kind of the operation that ring gauge uses and the specification of required ring gauge, do not have his measurer can be by comparison, good ring gauge quality be the solid foundation that piston ring end gap clearance deviation guarantees.
Summary of the invention
For above-mentioned, for guaranteeing piston ring end gap clearance deviation, the problem that good ring gauge quality is its solid foundation, the invention provides a kind of manufacture method of ring gauge.
For the problems referred to above, the manufacture method of ring gauge provided by the invention reaches goal of the invention by following technical essential: the manufacture method of ring gauge, comprise blank blanking in sequence, inner circle and Excircle machining, heat treatment, end face processing and inside and outside circle fine grinding, the material of described blank is 45# steel or 40Gr, described heat treatment comprises quench hot and lonneal in sequence, the temperature of described quench hot is any number in 825 ℃ to 835 ℃, the quench hot time is not less than 0.6h, the temperature of described lonneal is any number in 165 ℃ to 185 ℃, the lonneal time is not less than 1.5h, between described blank blanking and inner circle and Excircle machining operation, also comprise and forge step.
Further technical scheme is:
Described inside and outside circle fine grinding step subsequent also comprises phosphatization treatment step.
The ratio that the product that described phosphatization treatment step obtains in step for inside and outside circle is polished is placed in solution free acidity and total acidity is 1:(8-9) Phosphating Solution, the temperature of described Phosphating Solution is at 60 ℃ within the scope of 70 ℃, phosphating time is 13 to 17min.
The ratio that the product that described phosphatization treatment step obtains in step for inside and outside circle is polished is placed in solution free acidity and total acidity is 1:(10-12) Phosphating Solution, the temperature of described Phosphating Solution is at 50 ℃ within the scope of 60 ℃, phosphating time is 7 to 13min.
In described Phosphating Solution, go back Phosphating Accelerant.
Described Phosphating Accelerant is azanol.
The present invention has following beneficial effect:
Ring gauge manufacturing approach craft provided by the invention is simple, by choosing specific quench hot, low tempering temperatures and time, and arranged and forge step before heat treatment, first loose by the as cast condition forging in step elimination blank, slag inclusion even, the defects such as pore, be convenient to make form in blank complete metal streamline simultaneously, by follow-up heat treatment, can on adopting the hardness basis of the finished product that 45# steel or 40Gr obtain as ring gauge material, prior art improve 5HRC even more, can be broken through 100,000 the service life of being manufactured the ring gauge forming by 45# steel or 40Gr, the twice in nearly available technology adopting 45# steel or 40Gr obtain as base material ring gauge product service life, more than be arranged so that the present invention is not only beneficial to the testing cost of piston ring, also help accuracy of detection and the reliability of piston ring.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
The manufacture method of ring gauge, comprise blank blanking in sequence, inner circle and Excircle machining, heat treatment, end face processing and inside and outside circle fine grinding, the material of described blank is 45# steel or 40Gr, described heat treatment comprises quench hot and lonneal in sequence, the temperature of described quench hot is any number in 825 ℃ to 835 ℃, the quench hot time is not less than 0.6h, the temperature of described lonneal is any number in 165 ℃ to 185 ℃, the lonneal time is not less than 1.5h, between described blank blanking and inner circle and Excircle machining operation, also comprise and forge step.
By choosing specific quench hot, low tempering temperatures and time, and arranged and forge step before heat treatment, first loose by the as cast condition forging in step elimination blank, the defect such as slag inclusion, pore even, be convenient to make form in blank complete metal streamline simultaneously, by follow-up heat treatment, can on prior art adopts the hardness basis of the finished product that 45# steel or 40Gr obtain as ring gauge material, improve 5HRC even more, can be broken through 100,000 the service life of being manufactured the ring gauge forming by 45# steel or 40Gr.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, for making to form anti-attrition layer and the anticorrosive coat with self-lubricating property in the outside of ring gauge, further to guarantee the service life of the ring gauge that the present invention obtains, described inside and outside circle fine grinding step subsequent also comprises phosphatization treatment step.
The ratio that the product that described phosphatization treatment step obtains in step for inside and outside circle is polished is placed in solution free acidity and total acidity is 1:(8-9) Phosphating Solution, the temperature of described Phosphating Solution is at 60 ℃ within the scope of 70 ℃, phosphating time is 13 to 17min.
The ratio that the product that described phosphatization treatment step obtains in step for inside and outside circle is polished is placed in solution free acidity and total acidity is 1:(10-12) Phosphating Solution, the temperature of described Phosphating Solution is at 50 ℃ within the scope of 60 ℃, phosphating time is 7 to 13min.
For strengthening the effect of phosphatization step, be convenient to obtain darker phosphate coating, in described Phosphating Solution, go back Phosphating Accelerant.
For simplifying the technology controlling and process of phosphatization step and avoiding promoter to environment, described Phosphating Accelerant is azanol.
Above content is the further description of the present invention being done in conjunction with concrete preferred embodiment, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments that draw under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (6)
1. the manufacture method of ring gauge, comprise blank blanking in sequence, inner circle and Excircle machining, heat treatment, end face processing and inside and outside circle fine grinding, it is characterized in that, the material of described blank is 45# steel or 40Gr, described heat treatment comprises quench hot and lonneal in sequence, the temperature of described quench hot is any number in 825 ℃ to 835 ℃, the quench hot time is not less than 0.6h, the temperature of described lonneal is any number in 165 ℃ to 185 ℃, the lonneal time is not less than 1.5h, between described blank blanking and inner circle and Excircle machining operation, also comprise and forge step.
2. the manufacture method of ring gauge according to claim 1, is characterized in that, described inside and outside circle fine grinding step subsequent also comprises phosphatization treatment step.
3. the manufacture method of ring gauge according to claim 2, it is characterized in that, the ratio that the product that described phosphatization treatment step obtains in step for inside and outside circle is polished is placed in solution free acidity and total acidity is 1:(8-9) Phosphating Solution, the temperature of described Phosphating Solution is at 60 ℃ within the scope of 70 ℃, and phosphating time is 13 to 17min.
4. the manufacture method of ring gauge according to claim 2, it is characterized in that, the ratio that the product that described phosphatization treatment step obtains in step for inside and outside circle is polished is placed in solution free acidity and total acidity is 1:(10-12) Phosphating Solution, the temperature of described Phosphating Solution is at 50 ℃ within the scope of 60 ℃, and phosphating time is 7 to 13min.
5. according to the manufacture method of the ring gauge described in any one in claim 3 or 4, it is characterized in that Phosphating Accelerant also in described Phosphating Solution.
6. the manufacture method of ring gauge according to claim 5, is characterized in that, described Phosphating Accelerant is azanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354465.7A CN104108011A (en) | 2014-07-24 | 2014-07-24 | Ring gauge production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354465.7A CN104108011A (en) | 2014-07-24 | 2014-07-24 | Ring gauge production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104108011A true CN104108011A (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354465.7A Pending CN104108011A (en) | 2014-07-24 | 2014-07-24 | Ring gauge production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104108011A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033659A (en) * | 2015-07-07 | 2015-11-11 | 成都亨通兆业精密机械有限公司 | Full-automatic ring gauge machining equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077812A (en) * | 1975-03-25 | 1978-03-07 | Ntn Toyo Bearing Co. Ltd. | Method of working steel machine parts including machining during quench cooling |
| CN101597682A (en) * | 2009-07-09 | 2009-12-09 | 贵州大学 | Process for ultrafining heat-treatment on crystal grains of axle steel |
| CN102328187A (en) * | 2011-08-31 | 2012-01-25 | 慈溪市汇丽机电有限公司 | Machining method of inner ring gauge |
| CN102443744A (en) * | 2011-12-05 | 2012-05-09 | 无锡市东方抗磨工程有限公司 | Interrupted quenching heat treatment process for high-medium carbon alloy steel |
| CN102886916A (en) * | 2012-09-17 | 2013-01-23 | 北京奥科瑞丰新能源股份有限公司 | Pressure roller for biomass briquetting machine and machining method for pressure roller |
| CN103350204A (en) * | 2013-06-07 | 2013-10-16 | 马鞍山市恒毅机械制造有限公司 | Composite centrifugal casting method of sealing ring |
-
2014
- 2014-07-24 CN CN201410354465.7A patent/CN104108011A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077812A (en) * | 1975-03-25 | 1978-03-07 | Ntn Toyo Bearing Co. Ltd. | Method of working steel machine parts including machining during quench cooling |
| CN101597682A (en) * | 2009-07-09 | 2009-12-09 | 贵州大学 | Process for ultrafining heat-treatment on crystal grains of axle steel |
| CN102328187A (en) * | 2011-08-31 | 2012-01-25 | 慈溪市汇丽机电有限公司 | Machining method of inner ring gauge |
| CN102443744A (en) * | 2011-12-05 | 2012-05-09 | 无锡市东方抗磨工程有限公司 | Interrupted quenching heat treatment process for high-medium carbon alloy steel |
| CN102886916A (en) * | 2012-09-17 | 2013-01-23 | 北京奥科瑞丰新能源股份有限公司 | Pressure roller for biomass briquetting machine and machining method for pressure roller |
| CN103350204A (en) * | 2013-06-07 | 2013-10-16 | 马鞍山市恒毅机械制造有限公司 | Composite centrifugal casting method of sealing ring |
Non-Patent Citations (1)
| Title |
|---|
| 南晖: "特殊螺纹环规的设计与制造", 《高压电器》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033659A (en) * | 2015-07-07 | 2015-11-11 | 成都亨通兆业精密机械有限公司 | Full-automatic ring gauge machining equipment |
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Application publication date: 20141022 |