CN102935584A - Method for machining oil distributor shell - Google Patents
Method for machining oil distributor shell Download PDFInfo
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- CN102935584A CN102935584A CN2012104757295A CN201210475729A CN102935584A CN 102935584 A CN102935584 A CN 102935584A CN 2012104757295 A CN2012104757295 A CN 2012104757295A CN 201210475729 A CN201210475729 A CN 201210475729A CN 102935584 A CN102935584 A CN 102935584A
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- endoporus
- bearing shell
- correction tape
- face
- low pressure
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Abstract
The invention discloses a method for machining an oil distributor shell, belonging to the technical field of machining oil distributors. The method comprises the following steps of providing the oil distributor shell to be opened, wherein the oil distributor shell comprises a low-pressure shell, a bearing shell and a box body; carrying out finish-machining on an inner hole in one end of a box body, an inner hole correcting belt and an end surface correcting belt on the bearing shell; carrying out finish-machining on an inner hole in the other end of the box body, an inner hole correcting belt and an end surface correcting belt on the low-pressure shell; machining inner holes in the two ends of the bearing shell and the low-voltage shell on site according to the inner hole correcting belts and the end surface correcting belts; and repeatedly mounting the machined bearing shell and the low-voltage shell in the box body. According to the method for machining the oil distributor shell, disclosed by the invention, the end surface correcting belts and the inner hole correcting belts are machined on the box body before the inner holes of the low-pressure shell and the bearing shell are machined, and the inner holes of the low-pressure shell and the bearing shell are machined according to the end surface correcting belts and the inner hole correcting belts on site so that the coaxiality and the verticality of the machined inner hole are ensured and the machining quality of the inner hole is improved.
Description
Technical field
The present invention relates to oil distributor manufacturing technology field, particularly a kind of processing method of oil distributor housing.
Background technology
Adjustable pitch propeller is comprised of the five large parts such as blade, propeller hub mechanism, oil distributor, hydraulic system and electronic remote control system or system.Therefore, oil distributor is the indispensable important component part of adjustable pitch propeller.Oil distributor can be divided into shaft-type oil distributor and gear-box front end oil distributor according to the difference of installation site; Shaft-type oil distributor is divided into again whole distribution oil ring formula and segmented seal ring type according to structure.
At present, for satisfying certain type pitch propeller device to the demand of shaft-type oil distributor, designed a kind of oil distributor that adopts segmented seal ring type structure, this oil distributor comprises: upper box, lower box, oil distribution shaft, be set in high pressure sealing ring on the oil distribution shaft and low pressure sealing ring, with the rigidly connected pressure-bearing shell of lower box and low pressure housing, the oil distribution shaft two ends rely on bearing to be installed on the upper and lower casing, and high pressure sealing ring and low pressure sealing ring are installed in respectively in pressure-bearing shell and the low pressure housing.
Existing shaft-type oil distributor processing method comprises two kinds: method one is first the endoporus of casing, low pressure housing and pressure-bearing shell to be processed respectively, then itself and upper lower box is fixed with alignment pin.Method two is first low pressure housing and pressure-bearing shell and casing to be assembled then perforate.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Because the strict specification requirement of this oil distributor structure, the processing method of existing shaft-type oil distributor has been not suitable with the requirement of this oil distributor, is difficult to guarantee the crudy of product, and main cause is:
One, for method one, because the casing of this kind oil distributor reaches 1100mm, be difficult to guarantee that the endoporus axiality of above-mentioned casing, low pressure housing and pressure-bearing shell is not more than 0.05mm, and the perpendicularity of endoporus axle center and sealing ring is not more than 0.05mm.
Two, for method two, because low pressure housing and pressure-bearing shell one have four sections endoporus, if low pressure housing and pressure-bearing shell are assembled together processing simultaneously, so two sections middle endoporus can't be processed; If low pressure housing and pressure-bearing shell assemble at twice, during endoporus between work in-process, need to stretch out knife bar from the casing endoporus of opposite side and carry out, because the knife bar extension elongation is long, be difficult to guarantee inner hole precision.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the invention provides a kind of processing method of oil distributor housing.Described technical scheme is as follows:
The embodiment of the invention provides a kind of processing method of oil distributor housing, and described method comprises:
The oil distributor for the treatment of perforate housing is provided, described oil distributor housing comprises low pressure housing, pressure-bearing shell and casing, described casing comprises lower box and the upper box that is removably mounted on the described lower box, correspondence is provided with cavity on described upper box and the described lower box, and described low pressure housing and described pressure-bearing shell are installed in the described cavity successively along the centerline direction of described casing;
The endoporus of one end of the described casing of fine finishining puts in place, and the endoporus of the end by described casing processes the first end face correction tape and the first endoporus correction tape at an end of described pressure-bearing shell; Described the first endoporus correction tape is circular groove, and described the first end face correction tape is annular groove, and the degree of depth of described circular groove is greater than the degree of depth of described annular groove, and the central lines of described the first endoporus correction tape and described the first end face correction tape;
The endoporus of the other end of the described casing of fine finishining puts in place, and the endoporus of the other end by described casing processes the second end correction band and the second endoporus correction tape at an end of described low pressure housing; Described the second endoporus correction tape is circular groove, and described the second end correction band is annular groove, and the degree of depth of described circular groove is greater than the degree of depth of described annular groove, and the central lines of described the second endoporus correction tape and described the second end correction band;
Pull down described low pressure housing and described pressure-bearing shell, endoporus at the described pressure-bearing shell of lathe processing two ends puts in place according to described the first end face correction tape and described the first endoporus correction tape, and the endoporus at the described low pressure housing of lathe processing two ends puts in place according to described the second end correction band and described the second endoporus correction tape;
The pressure-bearing shell and the low pressure housing that process are reinstalled in the described casing.
Wherein, described endoporus at the described pressure-bearing shell of lathe processing two ends puts in place according to the first end face correction tape and the first endoporus correction tape, comprising:
Lathe on the described pressure-bearing shell is processed, clamp an end cylindrical of undressed described the first end face correction tape on the described pressure-bearing shell, proofreading and correct described the first endoporus correction tape and the first end face correction tape beats, make its jitter values satisfy technological requirement, processing belt has endoporus and the end face of an end of described first end face correction tape; With described pressure-bearing shell tune, described pressure-bearing shell has been processed described endoporus and end face one end and lathe end face of flange developed, proofread and correct the endoporus circularity of having processed, make it satisfy technological requirement, then process other end endoporus and end face.
Wherein, described endoporus at the described low pressure housing of lathe processing two ends puts in place according to the second end correction band and the second endoporus correction tape, comprising:
Lathe on the described low pressure housing is processed, clamp an end cylindrical of undressed described the second end correction band on the described low pressure housing, proofreading and correct described the second endoporus correction tape and the second end correction band beats, make its jitter values satisfy technological requirement, processing belt has endoporus and the end face of an end of described the second end correction band; With described low pressure housing tune, described low pressure housing has been processed described endoporus and end face one end and lathe end face of flange developed, proofread and correct the endoporus circularity of having processed, make it satisfy technological requirement, then process other end endoporus and end face.
Further, after the described pressure-bearing shell that processes and low pressure housing be reinstalled in described casing, adjust described casing with respect to the position of lathe, make described tank ends inner hole centreline parallel with machine tool chief axis, proofread and correct described tank ends endoporus and end face, it is beated satisfy technological requirement.
Further, take described tank ends endoporus as benchmark, check the axiality of described low pressure housing and described pressure-bearing shell endoporus and tank ends endoporus, and drag the perpendicularity that main shaft checks its endoporus bus along the endoporus axis direction.
Further, described method also comprises:
Assemble described oil distributor housing to be processed.
Further, the described oil distributor housing to be processed of described assembling comprises:
Described pressure-bearing shell to be processed and low pressure housing are installed in the described lower box, and the Hough surface jitter of proofreading and correct described lower box is not more than 0.1mm, and described upper box and described lower box is sealed.
Further, described method also comprises:
Before the endoporus of the other end of the described casing of fine finishining puts in place, work table rotation 180 degree that will processing usefulness.
Further, the rotating accuracy of described workbench is less than 10 ".
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
By before the endoporus of processing low pressure housing and pressure-bearing shell, be assembled to and process end correction band and endoporus correction tape on the casing, then put in place according to end correction band and endoporus correction tape processing low pressure housing and pressure-bearing shell endoporus, so that the endoporus axiality and the perpendicularity that process all are guaranteed, improved the crudy of endoporus.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of oil distributor;
Fig. 2 is the structural representation of the oil distributor housing of oil distributor shown in Figure 1;
Fig. 3 is the elevation cross-sectional view of oil distributor housing shown in Figure 2;
Fig. 4 is the side cutaway view of oil distributor housing shown in Figure 2;
Fig. 5 is the structure for amplifying schematic diagram of I part among Fig. 2;
Fig. 6 is the main TV structure schematic diagram of low pressure housing;
Fig. 7 is the plan structure schematic diagram of low pressure housing;
Fig. 8 is the main TV structure schematic diagram of pressure-bearing shell;
Fig. 9 is the plan structure schematic diagram of pressure-bearing shell;
Figure 10 is the oil distributor processing method flow chart that the embodiment of the invention one provides.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Following elder generation carries out simple declaration to the structure of this oil distributor by reference to the accompanying drawings, referring to Fig. 1-Fig. 4, oil distributor comprises: upper box 1A, lower box 1B, oil distribution shaft 2, be set in low pressure sealing ring 3 and high pressure sealing ring 4 on the oil distribution shaft 2, with the rigidly connected low pressure housing 5 of lower box 1B and pressure-bearing shell 6, oil distribution shaft 2 two ends rely on bearing 7 to be installed on the casing 1, and high pressure sealing ring 4 and low pressure sealing ring 3 are installed in respectively pressure-bearing shell 6 and low pressure housing interior 5; Wherein, high pressure sealing ring 4 is identical with low pressure sealing ring 3 structures, and role is different.In hydraulic circuit, 4 pairs of high-pressure oil passages of high pressure sealing ring carry out mechanical seal, and 3 pairs of low pressure oil ways of low pressure sealing ring carry out mechanical seal.Upper box 1A, lower box 1B, low pressure housing 5 and pressure-bearing shell 6 have formed the present invention's oil distributor housing to be processed.
Embodiment one
The embodiment of the invention provides a kind of processing method of oil distributor housing, and referring to Figure 10, the method comprises:
Step 100: the oil distributor for the treatment of perforate housing is provided, and this oil distributor housing comprises low pressure housing, pressure-bearing shell and casing, and casing comprises lower box and detachably be installed in upper box on the lower box, and correspondence is provided with cavity on upper box and the lower box.
Low pressure housing and pressure-bearing shell are installed in the cavity successively along the centerline direction of casing.
Then, assemble above-mentioned oil distributor housing to be processed.Comprise: pressure-bearing shell to be processed and low pressure housing are installed in the lower box, and the Hough surface jitter of proofreading and correct lower box is not more than 0.1mm, and upper box and lower box is sealed.The Hough surface jitter is not more than 0.1mm, and namely flatness is not more than 0.1mm.
Step 200: the endoporus of an end of fine finishining casing puts in place, and processes the first end face correction tape and the first endoporus correction tape by the endoporus of casing one end at an end of pressure-bearing shell; Referring to Fig. 2, Fig. 4 and Fig. 5, the first endoporus correction tape 10B is circular groove, the first end face correction tape 9B is annular groove, and the depth H 1 of circular groove is greater than the depth H 2 of annular groove, and the central lines of the first endoporus correction tape 10B and the first end face correction tape 9B.Require the first endoporus correction tape 10B and the first beating of end face correction tape 9B to be not more than 0.03mm.Adding man-hour, the first endoporus proofreaies and correct the 10B band and the first end face correction tape 9B adopts same benchmark processing.
Step 300: the endoporus of the other end of fine finishining casing puts in place, and processes the second end correction band and the second endoporus correction tape by the endoporus of the casing other end at an end of low pressure housing; Referring to Fig. 2, the second end correction band 9A is annular groove, and the second endoporus correction tape 10A is circular groove, and the degree of depth of above-mentioned circular groove is greater than the degree of depth of annular groove, and the central lines of the second endoporus correction tape 10A and the second end correction band 9A.Require the second endoporus correction tape 10A and the second beating of end correction band 9A to be not more than 0.03mm.Adding man-hour, the second endoporus correction tape 10A and the second end correction 9A are with and adopt same benchmark processing, and adopt same benchmark processing with step 200, thus the endoporus on the assurance pressure-bearing shell and the axiality of the endoporus on the low pressure housing.
Before the endoporus of the fine finishining casing other end puts in place, with work table rotation 180 degree of processing usefulness.
Further, the rotating accuracy of above-mentioned workbench is less than 10 ".
Step 400: pull down low pressure housing, pressure-bearing shell, endoporus at lathe processing pressure-bearing shell two ends puts in place according to the first end face correction tape and the first endoporus correction tape, and the endoporus at lathe processing low pressure housing two ends puts in place according to the second end correction band and the second endoporus correction tape.
Before pulling down low pressure housing and pressure-bearing shell, the first endoporus correction tape 10B and the second endoporus correction tape 10A are coaxial.Before the processing, proofread and correct endoporus correction tape and beating of end correction band and be not more than 0.03mm.
Particularly, put in place according to the first end face correction tape and the first endoporus correction tape endoporus at lathe processing pressure-bearing shell two ends and comprise:
Lathe on the pressure-bearing shell is processed, clamp an end cylindrical of undressed the first end face correction tape on the pressure-bearing shell, proofread and correct the first endoporus correction tape and the first end face correction tape is beated, make its jitter values satisfy technological requirement, processing is with endoporus and the end face of an end of first end face correction tape; With the pressure-bearing shell tune, pressure-bearing shell has been processed endoporus and end face one end and lathe end face of flange developed, proofread and correct and processed end endoporus circularity, make it satisfy technological requirement, then process other end endoporus and end face.
Above-mentioned according to the second end correction band and the second endoporus correction tape endoporus at lathe processing low pressure housing two ends, comprising:
Lathe on the low pressure housing is processed, clamp an end cylindrical of undressed the second end correction band on the low pressure housing, proofread and correct the second endoporus correction tape and the second end correction band is beated, make its jitter values satisfy technological requirement, processing is with endoporus and the end face of an end of the second end correction band; With the tune of low pressure housing, the low pressure housing has been processed endoporus and end face one end and lathe end face of flange developed, proofread and correct and processed end endoporus circularity, make it satisfy technological requirement, then process other end endoporus and end face.
Step 500: the pressure-bearing shell and the low pressure housing that process are reinstalled in the casing.
Further, the pressure-bearing shell that processes and low pressure housing be reinstalled in casing after, check low pressure housing and the endoporus of pressure-bearing shell and axiality and the perpendicularity of tank ends endoporus; The particular exam method is: adjust casing with respect to the position of lathe, make the tank ends inner hole centreline parallel with machine tool chief axis, proofread and correct tank ends endoporus and end face, it is beated satisfy technological requirement.
Further, take the tank ends endoporus as benchmark, check the axiality of low pressure housing and pressure-bearing shell endoporus and tank ends endoporus, and drag the perpendicularity that main shaft checks its endoporus bus along the endoporus axis direction.
The embodiment of the invention is by before the endoporus of processing low pressure housing and pressure-bearing shell, be assembled to and process end correction band and endoporus correction tape on the casing, then put in place according to end correction band and endoporus correction tape processing low pressure housing and pressure-bearing shell endoporus, so that the endoporus axiality and the perpendicularity that process all are guaranteed, improved the crudy of endoporus.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the processing method of an oil distributor housing is characterized in that, described method comprises:
The oil distributor for the treatment of perforate housing is provided, described oil distributor housing comprises low pressure housing, pressure-bearing shell and casing, described casing comprises lower box and the upper box that is removably mounted on the described lower box, correspondence is provided with cavity on described upper box and the described lower box, and described low pressure housing and described pressure-bearing shell are installed in the described cavity successively along the centerline direction of described casing;
The endoporus of one end of the described casing of fine finishining puts in place, and the endoporus of the end by described casing processes the first end face correction tape and the first endoporus correction tape at an end of described pressure-bearing shell; Described the first endoporus correction tape is circular groove, and described the first end face correction tape is annular groove, and the degree of depth of described circular groove is greater than the degree of depth of described annular groove, and the central lines of described the first endoporus correction tape and described the first end face correction tape;
The endoporus of the other end of the described casing of fine finishining puts in place, and the endoporus of the other end by described casing processes the second end correction band and the second endoporus correction tape at an end of described low pressure housing; Described the second endoporus correction tape is circular groove, and described the second end correction band is annular groove, and the degree of depth of described circular groove is greater than the degree of depth of described annular groove, and the central lines of described the second endoporus correction tape and described the second end correction band;
Pull down described low pressure housing and described pressure-bearing shell, endoporus at the described pressure-bearing shell of lathe processing two ends puts in place according to described the first end face correction tape and described the first endoporus correction tape, and the endoporus at the described low pressure housing of lathe processing two ends puts in place according to described the second end correction band and described the second endoporus correction tape;
The pressure-bearing shell and the low pressure housing that process are reinstalled in the described casing.
2. method according to claim 1 is characterized in that, described endoporus at the described pressure-bearing shell of lathe processing two ends puts in place according to the first end face correction tape and the first endoporus correction tape, comprising:
Lathe on the described pressure-bearing shell is processed, clamp an end cylindrical of undressed described the first end face correction tape on the described pressure-bearing shell, proofreading and correct described the first endoporus correction tape and the first end face correction tape beats, make its jitter values satisfy technological requirement, processing belt has endoporus and the end face of an end of described first end face correction tape; With described pressure-bearing shell tune, described pressure-bearing shell has been processed described endoporus and end face one end and lathe end face of flange developed, proofread and correct the endoporus circularity of having processed, make it satisfy technological requirement, then process other end endoporus and end face.
3. method according to claim 1 is characterized in that, described endoporus at the described low pressure housing of lathe processing two ends puts in place according to the second end correction band and the second endoporus correction tape, comprising:
Lathe on the described low pressure housing is processed, clamp an end cylindrical of undressed described the second end correction band on the described low pressure housing, proofreading and correct described the second endoporus correction tape and the second end correction band beats, make its jitter values satisfy technological requirement, processing belt has endoporus and the end face of an end of described the second end correction band; With described low pressure housing tune, described low pressure housing has been processed described endoporus and end face one end and lathe end face of flange developed, proofread and correct the endoporus circularity of having processed, make it satisfy technological requirement, then process other end endoporus and end face.
4. method according to claim 1, it is characterized in that, after the described pressure-bearing shell that processes and low pressure housing be reinstalled in described casing, adjust described casing with respect to the position of lathe, make described tank ends inner hole centreline parallel with machine tool chief axis, proofread and correct described tank ends endoporus and end face, it is beated satisfy technological requirement.
5. method according to claim 4, it is characterized in that, take described tank ends endoporus as benchmark, check the axiality of described low pressure housing and described pressure-bearing shell endoporus and tank ends endoporus, and drag the perpendicularity that main shaft checks its endoporus bus along the endoporus axis direction.
6. method according to claim 1 is characterized in that, described method also comprises:
Assemble described oil distributor housing to be processed.
7. method according to claim 6 is characterized in that, the described oil distributor housing to be processed of described assembling comprises:
Described pressure-bearing shell to be processed and low pressure housing are installed in the described lower box, and the Hough surface jitter of proofreading and correct described lower box is not more than 0.1mm, and described upper box and described lower box is sealed.
8. method according to claim 1 is characterized in that, described method also comprises:
Before the endoporus of the other end of the described casing of fine finishining puts in place, work table rotation 180 degree that will processing usefulness.
9. method according to claim 8 is characterized in that, the rotating accuracy of described workbench is less than 10 ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475729.5A CN102935584B (en) | 2012-11-21 | 2012-11-21 | Method for machining oil distributor shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475729.5A CN102935584B (en) | 2012-11-21 | 2012-11-21 | Method for machining oil distributor shell |
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| CN102935584A true CN102935584A (en) | 2013-02-20 |
| CN102935584B CN102935584B (en) | 2014-11-05 |
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| CN201210475729.5A Expired - Fee Related CN102935584B (en) | 2012-11-21 | 2012-11-21 | Method for machining oil distributor shell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690034A (en) * | 2016-02-24 | 2016-06-22 | 湖南汉星机械制造有限公司 | Integral machining technique for left box part and right box part of small gasoline engine box body |
| CN109277591A (en) * | 2018-08-31 | 2019-01-29 | 武汉船用机械有限责任公司 | A kind of processing method of the inner bore of step for shaft part |
| CN111112955A (en) * | 2020-01-03 | 2020-05-08 | 重庆齿轮箱有限责任公司 | Multi-split-flow split type box body and processing method thereof |
| CN111590271A (en) * | 2020-04-08 | 2020-08-28 | 武汉船用机械有限责任公司 | Pipeline machining method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822601A (en) * | 1981-07-23 | 1983-02-10 | Matsushita Electric Ind Co Ltd | Lead surface machining device |
| JPH09329005A (en) * | 1996-04-09 | 1997-12-22 | Toyota Motor Corp | Variable valve timing mechanism of internal combustion engine |
| CN101121225A (en) * | 2007-09-14 | 2008-02-13 | 武汉船用机械有限责任公司 | Method for processing split-type shaft system distribution oil ring |
| US20090217792A1 (en) * | 2008-02-26 | 2009-09-03 | Kazuhiko Oiwa | Machine tool and workpiece inner surface machining method using the machine tool |
| CN102094582A (en) * | 2010-12-06 | 2011-06-15 | 煤炭科学研究总院西安研究院 | Bimetallic oil distributing sleeve for full-hydraulic drilling machine and processing method thereof |
-
2012
- 2012-11-21 CN CN201210475729.5A patent/CN102935584B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822601A (en) * | 1981-07-23 | 1983-02-10 | Matsushita Electric Ind Co Ltd | Lead surface machining device |
| JPH09329005A (en) * | 1996-04-09 | 1997-12-22 | Toyota Motor Corp | Variable valve timing mechanism of internal combustion engine |
| CN101121225A (en) * | 2007-09-14 | 2008-02-13 | 武汉船用机械有限责任公司 | Method for processing split-type shaft system distribution oil ring |
| US20090217792A1 (en) * | 2008-02-26 | 2009-09-03 | Kazuhiko Oiwa | Machine tool and workpiece inner surface machining method using the machine tool |
| CN102094582A (en) * | 2010-12-06 | 2011-06-15 | 煤炭科学研究总院西安研究院 | Bimetallic oil distributing sleeve for full-hydraulic drilling machine and processing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王建华: "液压马达外配油轴颈式配油器结构的改进", 《工程机械》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690034A (en) * | 2016-02-24 | 2016-06-22 | 湖南汉星机械制造有限公司 | Integral machining technique for left box part and right box part of small gasoline engine box body |
| CN109277591A (en) * | 2018-08-31 | 2019-01-29 | 武汉船用机械有限责任公司 | A kind of processing method of the inner bore of step for shaft part |
| CN111112955A (en) * | 2020-01-03 | 2020-05-08 | 重庆齿轮箱有限责任公司 | Multi-split-flow split type box body and processing method thereof |
| CN111590271A (en) * | 2020-04-08 | 2020-08-28 | 武汉船用机械有限责任公司 | Pipeline machining method |
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| CN102935584B (en) | 2014-11-05 |
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