CN104084767A - Machining technology facilitating improvement of nozzle machining efficiency - Google Patents
Machining technology facilitating improvement of nozzle machining efficiency Download PDFInfo
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- CN104084767A CN104084767A CN201410302304.3A CN201410302304A CN104084767A CN 104084767 A CN104084767 A CN 104084767A CN 201410302304 A CN201410302304 A CN 201410302304A CN 104084767 A CN104084767 A CN 104084767A
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- machining
- nozzle
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- beneficial
- processing technology
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/16—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass plates with holes of very small diameter, e.g. for spinning or burner nozzles
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a machining technology facilitating the improvement of nozzle machining efficiency. The technology includes the following steps that (A), a blank is forged; (B), heat treatment is performed; (C), machining is performed; (D), finish machining is performed. The step (C) is performed before the step (B), in the step (A), the blank is made of 45 # steel, the forging temperature range is 875 DEG C-1025 DEG C, a reverberating furnace is adopted as a forging heat source, the step (B) includes quenching and tempering after quenching, and the step (D) is performed after the step (B). The technology is simple, material low in cost and convenient to obtain is selected, and a nozzle meeting the strength requirement can be obtained through the reasonable technology. Compared with the prior art, the technology is low in machining difficulty and beneficial to improving production efficiency of the nozzle and reducing production cost of the nozzle.
Description
Technical field
The present invention relates to a kind of processing technology of oil exploration equipment, particularly relate to a kind of processing technology that is beneficial to nozzle working (machining) efficiency.
Background technology
The appearance that late 1940s is sprayed drilling technology is a revolution that has drilling technology, and rate of penetration is stepped a stage.U.S.'s small nozzle on probation on bit body first in 1949, nineteen fifty-five adopts Nozzle combination system in the time of drill bit design, from then on, nozzle-type drill bit hydraulics 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 binary 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 bit speed with nozzle in oil drilling is produced.
In prior art, the operating pressure of nozzle is high pressure or super-pressure, and the mechanical strength of nozzle is the direct factor that affects nozzle life.In prior art, the mechanical strength of nozzle is except adopting high-strength material as ensureing, nozzle in processing and manufacturing reasonably processing technology also directly have influence on the performance of final product, the processing technology of further optimizing nozzle be conducive to reduce oil exploration equipment fault rate, improve drilling efficiency, reduce drilling cost.
Summary of the invention
For the mechanical strength of nozzle in prior art in above-mentioned prior art except adopting high-strength material as ensureing, nozzle rational processing technology in processing and manufacturing also directly has influence on the performance of final product, the processing technology of further optimizing nozzle is conducive to reduce the fault rate of oil exploration equipment, improve drilling efficiency, reduce the problem of drilling cost, the invention provides a kind of processing technology that is beneficial to nozzle working (machining) efficiency.
For the problems referred to above, a kind of processing technology that is beneficial to nozzle working (machining) efficiency provided by the invention reaches goal of the invention by following technical essential: a kind of processing technology that is beneficial to nozzle working (machining) efficiency, comprises the following steps:
A) blank forging;
B) heat treatment;
C) machining;
Described step C) be positioned at step B) before, described step C) be included in mechanical roughing in sequence, mechanical semifinishing 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 B) machine finishing step D afterwards).
Further technical scheme is:
Described steps A) in before forging, also comprise blank preheating step, described blank preheating step is to be heated to 200 DEG C-350 DEG C for the blank of room temperature.
Described step B) in hardening heat 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 temperature retention 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 semifinishing and cutter are selected, and described fixture is three to grab self-centering chuck, and described cutter is carbide-tipped lathe tool and carbide alloy 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 material, 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 process route 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 product quality of nozzle.
3, with respect to the manufacturing process of carrying out again machining after the heat 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 D finally carrying out) ensured, like this, eliminate the impact of the nozzle surface hardened layer forming due to heat treatment on machining efficiency, simultaneously, above step B) C), D) procedure arrangement, can reduce carrying out step C) and the overburden amount to nozzle surface hardened layer D) time, be conducive to the quality of nozzle product.
Detailed description of the invention
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 processing technology that is beneficial to nozzle working (machining) efficiency, comprises the following steps:
A) blank forging;
B) heat treatment;
C) machining;
Described step C) be positioned at step B) before, described step C) be included in mechanical roughing in sequence, mechanical semifinishing 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 B) machine finishing step D 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 material, 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 process route 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 product quality of nozzle.
Can apply to efficiently for ease of technique of the present invention in the process 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 machining after the heat 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 D finally carrying out) ensured, like this, eliminate the impact of the nozzle surface hardened layer forming due to heat treatment on machining efficiency, simultaneously, above step B) C), D) procedure arrangement, can reduce carrying out step C) and the overburden amount to nozzle surface hardened layer D) 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 of deformation, described steps A) in before forging, also comprise blank preheating step, described blank preheating step is to be heated to 200 DEG C-350 DEG C for the blank of room temperature.
For making nozzle obtain enough hardness, wearability and fatigue resistance, reduce the degree of quenching process nozzle surface oxidation, described step B) in hardening heat 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 temperature retention time is no less than 3 hours, the type of cooling is that stove is cold or husky cold.
Due to the given shape of nozzle, for ease of nozzle clamping in process of production, described mechanical roughing, the equal double team tool of mechanical semifinishing and cutter are selected, and described fixture is three to grab self-centering chuck, and described cutter is carbide-tipped lathe tool and carbide alloy 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 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 (5)
1. a processing technology that is beneficial to nozzle working (machining) efficiency, comprises the following steps:
A) blank forging;
B) heat treatment;
C) machining;
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 semifinishing 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 B) machine finishing step D afterwards).
2. a kind of processing technology that is beneficial to nozzle working (machining) efficiency according to claim 1, is characterized in that described steps A) in before forging, also comprise blank preheating step, described blank preheating step is to be heated to 200 DEG C-350 DEG C for the blank of room temperature.
3. a kind of processing technology that is beneficial to nozzle working (machining) efficiency according to claim 1, is characterized in that described step B) in hardening heat 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 temperature retention time be no less than 3 hours, the type of cooling is that stove is cold or husky cold.
4. a kind of processing technology that is beneficial to nozzle working (machining) efficiency according to claim 1, it is characterized in that, described mechanical roughing, the equal double team tool of mechanical semifinishing and cutter are selected, and described fixture is three to grab self-centering chuck, and described cutter is carbide-tipped lathe tool and carbide alloy boring cutter.
5. a kind of processing technology that is beneficial to nozzle working (machining) efficiency 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 |
|---|---|---|---|
| CN201410302304.3A CN104084767A (en) | 2014-06-30 | 2014-06-30 | Machining technology facilitating improvement of nozzle machining efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302304.3A CN104084767A (en) | 2014-06-30 | 2014-06-30 | Machining technology facilitating improvement of nozzle machining efficiency |
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| Publication Number | Publication Date |
|---|---|
| CN104084767A true CN104084767A (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410302304.3A Pending CN104084767A (en) | 2014-06-30 | 2014-06-30 | Machining technology facilitating improvement of nozzle machining efficiency |
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Cited By (3)
| 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 |
| CN106078116A (en) * | 2016-07-28 | 2016-11-09 | 北海明杰科技有限公司 | A kind of injection hole on injection nozzle temper technique |
| CN106216783A (en) * | 2016-07-28 | 2016-12-14 | 北海明杰科技有限公司 | A kind of injection hole on injection nozzle quenching processing technique |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056188U (en) * | 1989-05-19 | 1990-04-18 | 石油大学(华东) | Jet-lengthening apparatus for drill bit |
| CN102069352A (en) * | 2010-12-23 | 2011-05-25 | 成都四威高科技产业园有限公司 | Method for processing small nozzle |
| CN103273263A (en) * | 2013-04-22 | 2013-09-04 | 上海中盟石油天然气有限公司 | Method for manufacturing energy-saving composite nozzle of diamond drill bit |
-
2014
- 2014-06-30 CN CN201410302304.3A patent/CN104084767A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056188U (en) * | 1989-05-19 | 1990-04-18 | 石油大学(华东) | Jet-lengthening apparatus for drill bit |
| CN102069352A (en) * | 2010-12-23 | 2011-05-25 | 成都四威高科技产业园有限公司 | Method for processing small nozzle |
| CN103273263A (en) * | 2013-04-22 | 2013-09-04 | 上海中盟石油天然气有限公司 | Method for manufacturing energy-saving composite nozzle of diamond drill bit |
Non-Patent Citations (1)
| Title |
|---|
| 严浩: "喷嘴制造工艺设计", 《豆丁网》 * |
Cited By (3)
| 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 |
| CN106078116A (en) * | 2016-07-28 | 2016-11-09 | 北海明杰科技有限公司 | A kind of injection hole on injection nozzle temper technique |
| CN106216783A (en) * | 2016-07-28 | 2016-12-14 | 北海明杰科技有限公司 | A kind of injection hole on injection nozzle quenching processing technique |
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Application publication date: 20141008 |