CN104060079A - Sprayer processing technique capable of lowering processing difficulty - Google Patents
Sprayer processing technique capable of lowering processing difficulty Download PDFInfo
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- CN104060079A CN104060079A CN201410302472.2A CN201410302472A CN104060079A CN 104060079 A CN104060079 A CN 104060079A CN 201410302472 A CN201410302472 A CN 201410302472A CN 104060079 A CN104060079 A CN 104060079A
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Abstract
The invention discloses a sprayer processing technique capable of lowering processing difficulty, which comprises the following steps: A) blank forging; B) heat treatment; C) machining; D) surface hardening; and E) machine finishing. The step C) is performed before the step B). In the step A), the material of the blank is 45# steel, the forging temperature is 875-1025 DEG C, and the forging heat source adopts a reverberatory furnace; the step B) comprises quenching and tempering after the quenching; the step D) surface hardening is arranged after the step C) and is plasma surface hardening treatment; and the step E) is arranged after the step D). The technique is simple, and can be used for obtaining the sprayer satisfying the strength requirement by adopting the cheap and accessible materials and the reasonable technique. Compared with the prior art, the technique has lower processing difficulty, and is beneficial to enhancing the production efficiency of the sprayer, lowering the production cost of the sprayer and improving the sprayer quality.
Description
Technical field
The present invention relates to a kind of complete processing of oil exploration equipment, particularly relate to a kind of nozzle complete processing that is conducive to reduce to process complexity.
Background technology
The appearance that late 1940s is sprayed drilling technology is a revolution that has drilling technology, and drill speed is stepped a stage.U.S.'s small nozzle on probation on frame of the bit first in 1949, nineteen fifty-five adopts nozzles combine system in the time of drill bit design, from then on, nozzle-type drill bit hydromechanics arises at the historic moment, people recognize that bit hydraulic parameters is the principal element that affects rate of penetration: Exxon company of U.S. test in 1973 is found in the time that injection drop is 104MPa, continuity jet can impact grinding 70%-80% institute rock drilling, and rate of penetration improves 2-3 doubly; Late 1980s, the auxiliary drilling system rate of penetration of two channels tubing string superhigh pressure water jet of Flow Drill company development improves 1.2-2.1 doubly than conventional drilling.As can be seen here, drilling well is being brought into play irreplaceable effect to the impact of drilling speed with nozzle in oil drilling is produced.
In prior art, the operating pressure of nozzle is high pressure or ultra-high voltage, and the physical strength of nozzle is the direct factor that affects nozzle life.In prior art, the physical strength of nozzle is except adopting high-strength material as ensureing, nozzle in processing and manufacturing reasonably complete processing also directly have influence on the performance of final product, the complete processing of further optimizing nozzle be conducive to reduce oil exploration equipment failure rate, improve drilling efficiency, reduce drilling cost.
Summary of the invention
For the physical strength of nozzle in prior art in above-mentioned prior art except adopting high-strength material as ensureing, nozzle rational complete processing in processing and manufacturing also directly has influence on the performance of final product, the complete processing of further optimizing nozzle is conducive to reduce the failure rate of oil exploration equipment, improve drilling efficiency, reduce the problem of drilling cost, the invention provides a kind of nozzle complete processing that is conducive to reduce to process complexity.
For the problems referred to above, a kind of nozzle complete processing that is conducive to reduce to process complexity provided by the invention reaches goal of the invention by following technical essential: a kind of nozzle complete processing that is conducive to reduce to process complexity, comprises the following steps:
A) blank forging;
B) thermal treatment;
C) mechanical workout;
Described step C) be positioned at step B) before, described step C) be included in mechanical roughing in sequence, mechanical semi-finishing on different lathes, described steps A) in, the material that blank adopts is 45# steel, forging range is 875 DEG C-1025 DEG C, forges thermal source and adopts reverberatory furnace; Described step B) comprise quench and quench after tempering;
Also comprise and be arranged on step C) surface hardening step D afterwards), described surface hardening step is plasma surface hardening treatment, the parameter of described plasma surface hardening treatment is: the purity of argon gas is more than 99.9%, airshed is between 0.3-0.45L/min, and range of current is within the scope of 55A-58A;
Also comprise and be arranged on step D) machine finshing step e afterwards).
Further technical scheme is:
Described steps A) in before forging, also comprise blank pre-heating step, described blank pre-heating step is to be heated to 200 DEG C-350 DEG C for the blank of room temperature.
Described step B) in quenching temperature scope be 820 DEG C-850 DEG C, quench and adopt the Cooling Mode of oil cooling;
The burning hot temperature range of described tempering is 570 DEG C-600 DEG C, and the tempering temperature hold-time be no less than 3 hours, the type of cooling is that stove is cold or husky cold.
Described mechanical roughing, the equal double team tool of mechanical semi-finishing and cutter are selected, and described fixture is three to grab self-centering chuck, and described cutter is carbide-tipped lathe tool and Wimet boring cutter.
Described carbide-tipped lathe tool is for replacing lathe tool.
The present invention has following beneficial effect:
1, technique of the present invention is simple, by being 45# steel by the choice of material of nozzle, and test and obtain best forging range by limited number of time for above-mentioned materials, make the technique of the present invention can be by selecting material with low cost and that be convenient to obtain, be met the nozzle of requirement of strength by rational technique, with respect to prior art, be conducive to reduce the production cost of nozzle.
The technological design of 2, forging thermal source employing reverberatory furnace, makes operational path provided by the invention be convenient to obtain the nozzle of metallographic structure rule, with respect to existing nozzle processing route, is conducive to the quality product of nozzle.
3, by the step D arranging), can make to adopt the nozzle surface that this technique obtains to form super-refinement lath martensite tissue, and the thickness of this tissue can reach 0.40mm, the hardness value of nozzle surface can be promoted to 800HV by the hardness value 600HV obtaining by quenching, and by quenching and step D), nozzle surface high rigidity metallographic changes evenly, in obtaining high rigidity surface, adopts the nozzle that this technique makes also to have advantages of cementation zone difficult drop-off.
4, with respect to the manufacturing process of carrying out again mechanical workout after the thermal treatment of available technology adopting, technique provided by the invention is exchanged above two kinds of process sequences, and the last size of nozzle is by the step e of finally carrying out) ensured, like this, eliminate the impact of the nozzle surface hardened layer forming due to thermal treatment on mechanical workout efficiency, simultaneously, above step B) C), E) procedure arrangement, can reduce carrying out step C) and the overburden amount to nozzle surface hardened layer E) time, be conducive to the quality of nozzle product.
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:
A nozzle complete processing that is conducive to reduce to process complexity, comprises the following steps:
A) blank forging;
B) thermal treatment;
C) mechanical workout;
Described step C) be positioned at step B) before, described step C) be included in mechanical roughing in sequence, mechanical semi-finishing on different lathes, described steps A) in, the material that blank adopts is 45# steel, forging range is 875 DEG C-1025 DEG C, forges thermal source and adopts reverberatory furnace; Described step B) comprise quench and quench after tempering;
Also comprise and be arranged on step C) surface hardening step D afterwards), described surface hardening step is plasma surface hardening treatment, the parameter of described plasma surface hardening treatment is: the purity of argon gas is more than 99.9%, airshed is between 0.3-0.45L/min, and range of current is within the scope of 55A-58A;
Also comprise and be arranged on step D) machine finshing step e afterwards).
Concrete, technique of the present invention is simple, by being 45# steel by the choice of material of nozzle, and test and obtain best forging range by limited number of time for above-mentioned materials, make the technique of the present invention can be by selecting material with low cost and that be convenient to obtain, be met the nozzle of requirement of strength by rational technique, with respect to prior art, be conducive to reduce the production cost of nozzle; The technological design of forging thermal source employing reverberatory furnace, makes operational path provided by the invention be convenient to obtain the nozzle of metallographic structure rule, with respect to existing nozzle processing route, is conducive to the quality product of nozzle; By the step D arranging), can make to adopt the nozzle surface that this technique obtains to form super-refinement lath martensite tissue, and the thickness of this tissue can reach 0.40mm, the hardness value of nozzle surface can be promoted to 800HV by the hardness value 600HV obtaining by quenching, and by quenching and step D), nozzle surface high rigidity metallographic changes evenly, in obtaining high rigidity surface, adopts the nozzle that this technique makes also to have advantages of cementation zone difficult drop-off.
Can apply to efficiently for ease of technique of the present invention in the course of processing in batch of nozzle, being convenient to realize streamline produces, to improve the working (machining) efficiency of nozzle, in the present embodiment, adopt step C) be included in mechanical roughing in sequence on different lathes, mechanical semi-finished process program; With respect to the manufacturing process of carrying out again mechanical workout after the thermal treatment of available technology adopting, technique provided by the invention is exchanged above two kinds of process sequences, and the last size of nozzle is by the step e of finally carrying out) ensured, like this, eliminate the impact of the nozzle surface hardened layer forming due to thermal treatment on mechanical workout efficiency, simultaneously, above step B) C), E) procedure arrangement, can reduce carrying out step C) and the overburden amount to nozzle surface hardened layer E) time, be conducive to the quality of nozzle product.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, for improving the plasticity of blank, reduce resistance to deformation, described steps A) in before forging, also comprise blank pre-heating step, described blank pre-heating step is to be heated to 200 DEG C-350 DEG C for the blank of room temperature.
For making nozzle obtain enough hardness, wear resistance and fatigue resistance, reduce the degree of quenching process nozzle surface oxidation, described step B) in quenching temperature scope be 820 DEG C-850 DEG C, quench and adopt the Cooling Mode of oil cooling;
The internal stress producing in nozzle for eliminating quenching process, reduce the fragility of nozzle, improve the toughness of nozzle, reduce the degree of drawing process nozzle surface oxidation, the burning hot temperature range of described tempering is 570 DEG C-600 DEG C, and the tempering temperature hold-time is no less than 3 hours, the type of cooling is that stove is cold or husky cold.
Due to the specified shape of nozzle, for ease of nozzle clamping in process of production, described mechanical roughing, the equal double team tool of mechanical semi-finishing and cutter are selected, and described fixture is three to grab self-centering chuck, and described cutter is carbide-tipped lathe tool and Wimet boring cutter.The material of cutter is chosen as is convenient to obtain efficient working (machining) efficiency.
For ease of improving the efficiency of turning and Drilling operation, described carbide-tipped lathe tool is the lathe tool that can replace.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, 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 (5)
1. a nozzle complete processing that is conducive to reduce to process complexity, comprises the following steps:
A) blank forging;
B) thermal treatment;
C) mechanical workout;
It is characterized in that, described step C) be positioned at step B) before, described step C) be included in mechanical roughing in sequence, mechanical semi-finishing on different lathes, described steps A) in, the material that blank adopts is 45# steel, forging range is 875 DEG C-1025 DEG C, forges thermal source and adopts reverberatory furnace; Described step B) comprise quench and quench after tempering;
Also comprise and be arranged on step C) surface hardening step D afterwards), described surface hardening step is plasma surface hardening treatment, the parameter of described plasma surface hardening treatment is: the purity of argon gas is more than 99.9%, airshed is between 0.3-0.45L/min, and range of current is within the scope of 55A-58A;
Also comprise and be arranged on step D) machine finshing step e afterwards).
2. a kind of nozzle complete processing that is conducive to reduce to process complexity according to claim 1, it is characterized in that, described steps A) in before forging, also comprise blank pre-heating step, described blank pre-heating step is to be heated to 200 DEG C-350 DEG C for the blank of room temperature.
3. a kind of nozzle complete processing that is conducive to reduce to process complexity according to claim 1, is characterized in that described step B) in quenching temperature scope be 820 DEG C-850 DEG C, quench and adopt the Cooling Mode of oil cooling;
The burning hot temperature range of described tempering is 570 DEG C-600 DEG C, and the tempering temperature hold-time be no less than 3 hours, the type of cooling is that stove is cold or husky cold.
4. a kind of nozzle complete processing that is conducive to reduce to process complexity according to claim 1, it is characterized in that, described mechanical roughing, the equal double team tool of mechanical semi-finishing and cutter are selected, described fixture is three to grab self-centering chuck, and described cutter is carbide-tipped lathe tool and Wimet boring cutter.
5. a kind of nozzle complete processing that is conducive to reduce to process complexity according to claim 4, is characterized in that, described carbide-tipped lathe tool is for replacing lathe tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410302472.2A CN104060079A (en) | 2014-06-30 | 2014-06-30 | Sprayer processing technique capable of lowering processing difficulty |
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| CN201410302472.2A CN104060079A (en) | 2014-06-30 | 2014-06-30 | Sprayer processing technique capable of lowering processing difficulty |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439963A (en) * | 2014-11-20 | 2015-03-25 | 无锡市百顺机械厂 | Nozzle machining technology |
| CN106425304A (en) * | 2016-11-04 | 2017-02-22 | 贵州精立航太科技有限公司 | Machining process for oil jet nozzle |
| CN109014780A (en) * | 2018-08-03 | 2018-12-18 | 沈阳富创精密设备有限公司 | A kind of mechanical processing technique of bulb cross bore |
| CN111390100A (en) * | 2020-05-13 | 2020-07-10 | 上海长特锻造有限公司 | Forging process of inner star wheel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439963A (en) * | 2014-11-20 | 2015-03-25 | 无锡市百顺机械厂 | Nozzle machining technology |
| CN106425304A (en) * | 2016-11-04 | 2017-02-22 | 贵州精立航太科技有限公司 | Machining process for oil jet nozzle |
| CN109014780A (en) * | 2018-08-03 | 2018-12-18 | 沈阳富创精密设备有限公司 | A kind of mechanical processing technique of bulb cross bore |
| CN111390100A (en) * | 2020-05-13 | 2020-07-10 | 上海长特锻造有限公司 | Forging process of inner star wheel |
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