CN109176109A - The tooling and method of eccentric element centering and measurement - Google Patents
The tooling and method of eccentric element centering and measurement Download PDFInfo
- Publication number
- CN109176109A CN109176109A CN201811070424.XA CN201811070424A CN109176109A CN 109176109 A CN109176109 A CN 109176109A CN 201811070424 A CN201811070424 A CN 201811070424A CN 109176109 A CN109176109 A CN 109176109A
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- China
- Prior art keywords
- tooling
- flange
- eccentric orfice
- hole
- eccentric
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses the toolings and method of eccentric element centering and measurement, the alignment tool includes the first tooling flange, the second tooling flange and third tooling flange, the first eccentric orfice and the 5th eccentric orfice are provided on the first tooling flange, it is provided with the second eccentric orfice and the 4th eccentric orfice on second tooling flange, is provided with third eccentric orfice on third tooling flange；The measurement tooling includes Φ 100X120 hollow cylinder, and the Φ 100X120 hollow cylinder is separately mounted to the first tooling flange, the second tooling flange, in the hole nest on third tooling flange.The design of this eccentric element alignment tool is achieved the centering that eccentric element is processed on vertical vehicle, and aligning method is simple, quick, installation is time saving and energy saving；Alignment tool has the function of measurement, solves the measurement problem of one section of arc in process, it is important that whenever can measure verifying dimensional tolerance using tooling.
Description
Technical field
The present invention relates to field of machining, the in particular to tooling and method of eccentric element centering and measurement.
Background technique
A kind of pump housing abdominal cavity is roughly divided into three parts, impeller, pump shaft, pump case in the working condition of basic circle centrifugal pump.
It, which crosses water section requirement, good hydraulics, when water pump and Design of Pump Station calculate impeller work, along the flaring section of nest shell
On, flow is gradually increased, and in order to reduce hydraulic loss, should make gradually to increase along spiral case flaring section in Centrifugal Pump Design
Greatly.A kind of pump housing of the design is that there are five off-centre operations for design in pump housing abdominal cavity is justified substantially, and each off-centre operation is as snaillike
Gradually extend, to reach being gradually increased for flow.
After completing the process basic circle on numerical control vertical lathe, need one off-centre operation of every processing that will look for off-centre operation again
The center of circle is looked for knife origin, and simultaneous processing will often measure remaining machining allowance in the process, after processing is completed will be by detail of design
Actual processing size is measured, especially processing will carry out final inspection confirmation after being performed integrally, and the characteristic of five off-centre operations is one section
Arc cannot measure at all according to a conventional method, and five off-centre operation numerical control vertical lathes can not find the off-centre operation center of circle, not to knife when processing
Benchmark, cannot measure off-centre operation size, and a series of problems is badly in need of design alignment tool, studies presetting cutter method, measurement means.
Summary of the invention
The purpose of the present invention is to solve on existing numerical control vertical lathe off-centre operation processing present in do not have base point for checking cutting tool,
The problems such as being difficult to find that the off-centre operation center of circle and being unable to measure off-centre operation size and the work of the eccentric element centering provided and measurement
Dress and method.
To achieve the above object, the invention provides the following technical scheme: the tooling of eccentric element centering and measurement, the pump
The center position of body is provided with centre bore, and the diameter of centre bore bottom seam allowance is 440, and the inside of centre bore is respectively arranged with the
One eccentric orfice, the second eccentric orfice, third eccentric orfice, the 4th eccentric orfice and the 5th eccentric orfice, the alignment tool include first
Tooling flange, the second tooling flange and third tooling flange are provided with the first eccentric orfice and the 5th on the first tooling flange
Eccentric orfice is provided with the second eccentric orfice and the 4th eccentric orfice on the second tooling flange, and it is inclined to be provided with third on third tooling flange
Heart hole；The measurement tooling includes Φ 100X120 hollow cylinder, and the Φ 100X120 hollow cylinder is separately mounted to the first work
Fill flange, the second tooling flange, in the hole nest on third tooling flange.
Further, the first tooling flange, the second tooling flange, third tooling flange edge be evenly arranged with
Three flange fixation holes.
Further, there are three the not center lines with the first eccentric orfice and the 5th eccentric orfice for milling on the first tooling flange
There are three not and in the second eccentric orfice and the 4th eccentric orfice for 150 first through hole of Φ of intersection, the second tooling flange and upper milling
150 second through-hole of Φ of heart line intersection, mills that there are three 150 thirds of Φ not intersected with third eccentric orfice on third tooling flange
Through-hole, and the angle between above-mentioned adjacent through hole center point is 45 °.
The aligning method includes:
Since the diameter of the centre bore bottom seam allowance of the pump housing is 440, the tooling flange of three sets of Φ 440X30 is done, in the first work
Dress flange, the second tooling flange, the center on third tooling flange mark cross hairs, by the first tooling flange, the second work
Dress flange, third tooling flange are respectively installed on planer-type milling machine the position that central point is determined according to cross hairs centering, then press
According to the first eccentric orfice, the second eccentric orfice, third eccentric orfice, the 4th eccentric orfice, the 5th eccentric orfice coordinate the first tooling flange,
The center that eccentric orfice is found on second tooling flange, third tooling flange, mills out a Φ with milling machine at the center of eccentric orfice
The hole nest of 100X20 bores a M20 screw hole in the 100X20 Kong Wo bottom center position Φ, and mills on 45 ° of positions of tooling flange
Three 150 through-holes of Φ；
One 100 hollow cylinder of Φ of vehicle, the length of Φ hollow cylinder are higher than the upper surface of the pump housing；
One, vehicle is greater than Φ 100X20 ring flange, and bores the threaded hole of a Φ 22 in center position；
One, vehicle is higher by the stud of 100 hollow cylinder 70 of Φ；
The nut of two M20 of vehicle；
First tooling flange, the second tooling flange and third tooling flange are separately mounted to centre bore bottom on the pump housing
Seam allowance in, and make the first tooling flange, the second tooling flange, the cross hairs on third tooling flange respectively with center on the pump housing
Cross hairs at hole coincides；
M20 bolt is installed in the nest of the hole Φ 100X20, and 100 open circles column sleeve of Φ is put on M20 bolt to Φ
In the nest of the hole 100X20, Φ 100X20 ring flange is installed at the top of 100 hollow cylinder of Φ, and tighten by M20 nut；
Table centering is beaten according to cylinder, the first eccentric orfice, the second eccentric orfice, third eccentric orfice, the 4th eccentric orfice can be found
And the 5th eccentric orfice central point, then according to drawing dimensioned
The measurement method includes:
It processes a Φ 100X120 hollow cylinder and is mounted on the first tooling flange, the second tooling flange and third tooling
In the hole the Φ 100X20 nest of flange, it can measure using depth ruler or internal diameter ruler by the center of circle of Φ 100X120 hollow cylinder
The size of the first eccentric orfice, the second eccentric orfice, third eccentric orfice, the 4th eccentric orfice and the 5th eccentric orfice processed.
The postorder is processed
The radius of machining for determining cutter first, is then placed on the first tooling flange, the second tooling method for 100 hollow cylinder of Φ
In the hole Φ 100X20 nest blue, on third tooling flange, the point of a knife of cutter is carried out according to the outer circle of 100 hollow cylinder of Φ to knife,
The center of circle of radius of machining can be found.
The invention has the following advantages:
1, the design of eccentric element alignment tool is achieved the centering that eccentric element is processed on vertical vehicle, aligning method
Simply, fast, installation it is time saving and energy saving.
2, alignment tool has the function of solve the problems, such as that Eccentric Circular can not find center to knife to knife, and letter is installed when to knife
Just, fast.
3, alignment tool has the function of measurement, solves the measurement problem of one section of arc in process, it is important that benefit
Whenever verifying dimensional tolerance can be measured with tooling.
4, the design of completely new alignment tool, a set of tooling multiple functions disposably solve centering, ask knife, measurement
The advantages that topic, makes the function of a few set toolings roll into one, saves material, is convenient for keeping.
Detailed description of the invention
Fig. 1 is pump body structure schematic diagram of the invention；
Fig. 2 is eccentric orfice structural schematic diagram of the invention；
Fig. 3 is the first tooling flange main view of the invention；
Fig. 4 is the first tooling flange side view of the invention；
Fig. 5 is the second tooling flange main view of the invention；
Fig. 6 is the second tooling flange side view of the invention；
Fig. 7 is third tooling flange main view of the invention；
Fig. 8 is third tooling flange side view of the invention；
Fig. 9 is centering form structure schematic diagram of the invention；
Figure 10 is measurement form structure schematic diagram of the invention.
In figure: 1, the pump housing；2, centre bore；3, the first eccentric orfice；4, the second eccentric orfice；5, third eccentric orfice；6, the 4th partially
Heart hole；7, the 5th eccentric orfice；8, the first tooling flange；9, flange fixation hole；10,150 through-hole of Φ；11, the second tooling flange；
12, third tooling flange；13,100 hollow cylinder of Φ；14, Φ 100X120 hollow cylinder.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-10 is please referred to, a kind of embodiment provided by the invention: the tooling of eccentric element centering and measurement, the pump housing
1 center position is provided with centre bore 2, and the diameter of 1 bottom seam allowance of centre bore is 440, and the inside of centre bore 2 is respectively arranged with
First eccentric orfice 3, the second eccentric orfice 4, third eccentric orfice 5, the 4th eccentric orfice 6 and the 5th eccentric orfice 7, the alignment tool packet
The first tooling flange, the second tooling flange and third tooling flange are included, is provided with the first eccentric orfice on the first tooling flange
With the 5th eccentric orfice, the second eccentric orfice and the 4th eccentric orfice are provided on the second tooling flange, is provided on third tooling flange
Third eccentric orfice；The measurement tooling includes Φ 100X120 hollow cylinder, and the Φ 100X120 hollow cylinder is separately mounted to
First tooling flange, the second tooling flange, in the hole nest on third tooling flange.
The first tooling flange 8, the second tooling flange 10, third tooling flange 11 edge be uniformly arranged there are three
Flange fixation hole 9.
Do not intersect with the center line of the first eccentric orfice 3 and the 5th eccentric orfice 7 there are three being milled on the first tooling flange 8
There are three not and in the second eccentric orfice 4 and the 4th eccentric orfice 6 for 150 first through hole 100 of Φ, the second tooling flange 10 and upper milling
150 second through-hole 101 of Φ of heart line intersection, mills that there are three the Φ not intersected with third eccentric orfice 5 on third tooling flange 11
150 third through-holes 102, and the angle between above-mentioned adjacent 150 through hole center point of Φ is 45 °.
The aligning method includes:
Since the diameter of the 2 bottom seam allowance of centre bore of the pump housing 1 is 440, the tooling flange of three sets of Φ 440X30 is done, first
Tooling flange 8, the second tooling flange 11, the center on third tooling flange 12 mark cross hairs, by the first tooling flange
8, the second tooling flange 10, third tooling flange 11 are respectively installed on planer-type milling machine according to cross hairs centering, determine central point
Position, then according to the first eccentric orfice 3, second eccentric orfice 4, third eccentric orfice 5, the 4th eccentric orfice 6, the 5th eccentric orfice 7
Coordinate finds the center of eccentric orfice on the first tooling flange 8, the second tooling flange 11, third tooling flange 12, in eccentric orfice
Center at the hole nest of a Φ 100X20 is milled out with milling machine, bore a M20 screw hole in the 100X20 Kong Wo bottom center position Φ,
And three 150 through-holes 10 of Φ are milled on 45 ° of positions of tooling flange；
One Φ of vehicle, 100 hollow cylinder 13, the length of Φ hollow cylinder 13 are higher than the upper surface of the pump housing 1；
One, vehicle is greater than Φ 100X20 ring flange, and bores the threaded hole of a Φ 22 in center position；
One, vehicle is higher by the stud of 100 hollow cylinder 70 of Φ；
The nut of two M20 of vehicle；
First tooling flange 8, the second tooling flange 11 and third tooling flange 12 are separately mounted to center on the pump housing 1
In the seam allowance of hole bottom, and make the first tooling flange 8, the second tooling flange 11, the cross hairs difference on third tooling flange 12
It coincides with the cross hairs of central hole on the pump housing 1；
M20 bolt is installed in the nest of the hole Φ 100X20, and 100 open circles of Φ, 13 column sleeve is put on M20 bolt to Φ
In the nest of the hole 100X20, Φ 100X20 ring flange is installed at the top of 100 hollow cylinder 13 of Φ, and tighten by M20 nut；
Table centering is beaten according to cylinder, it is eccentric that the first eccentric orfice 3, the second eccentric orfice 4, third eccentric orfice the 5, the 4th can be found
The central point of hole 6 and the 5th eccentric orfice 7, then according to drawing dimensioned
The measurement method includes:
It processes a Φ 100X120 hollow cylinder 14 and is mounted on the first tooling flange 8, the second tooling flange 11 and third
In the hole the Φ 100X20 nest of tooling flange 12, pass through the center of circle of Φ 100X120 hollow cylinder 14 using depth ruler or internal diameter ruler
It can measure the first eccentric orfice 3, the second eccentric orfice 4, third eccentric orfice 5, the 4th eccentric orfice 6 and the 5th eccentric orfice of added work
7 size.
The postorder is processed
The radius of machining for determining cutter first, is then placed on the first tooling flange 8, the second work for 100 hollow cylinder 13 of Φ
Fill flange 11, in the hole the Φ 100X20 nest on third tooling flange 12, the point of a knife of cutter according to 100 hollow cylinder 13 of Φ outer circle
It carries out that the center of circle of radius of machining can be found to knife.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. the tooling of eccentric element centering and measurement, which is characterized in that the alignment tool includes the first tooling flange (8), the
Two tooling flanges (11) and third tooling flange (12) are provided with the first eccentric orfice (3) and on the first tooling flange (8)
Five eccentric orfices (7) are provided with the second eccentric orfice (4) and the 4th eccentric orfice (6), the third on the second tooling flange (11)
Third eccentric orfice (5) are provided on tooling flange (12)；
The measurement tooling includes hollow cylinder (14), and the hollow cylinder (14) can be separately mounted to the first tooling method
In hole nest on blue (8), the second tooling flange (11), the third tooling flange (12).
2. the tooling of eccentric element centering and measurement according to claim 1, which is characterized in that the first tooling flange
(8), the second tooling flange (10), the third tooling flange (11) edge be uniformly arranged there are three flange fixation hole
(9)。
3. the tooling of eccentric element centering and measurement according to claim 1, which is characterized in that the first tooling flange
(8) first through hole not intersected with the center line of first eccentric orfice (3) and the 5th eccentric orfice (7) there are three being milled on
(100), the angle between the adjacent first through hole (100) central point is 45 °.
4. the tooling of eccentric element centering and measurement according to claim 1, which is characterized in that
There are three the not center line phases with the second eccentric orfice (4) and the 4th eccentric orfice (6) for milling on the second tooling flange (10)
The second through-hole (101) handed over, the angle between adjacent the second through-hole (101) central point is 45 °.
5. the tooling of eccentric element centering and measurement according to claim 1, which is characterized in that third tooling flange (11)
Upper milling is there are three the third through-hole (102) that does not intersect with the third eccentric orfice (5), in the adjacent third through-hole (102)
Angle between heart point is 45 °.
6. a kind of method of eccentric element centering and measurement, which is characterized in that the aligning method includes:
In first eccentric orfice (3), second eccentric orfice (4), the third eccentric orfice (5), the 4th eccentric orfice
(6), the hole Φ 100X20 nest is processed respectively at the center of the 5th eccentric orfice (7), in Φ 100X20 Kong Wo bottom center position
Bore a M20 screw hole；
100 hollow cylinder of vehicle Φ (13), the length of the Φ hollow cylinder (13) are higher than the upper surface of the pump housing (1)；
Vehicle is greater than Φ 100X20 ring flange, and bores the threaded hole of a Φ 22 in center position；
Overall height goes out the stud of 100 hollow cylinder 70 of Φ；
The nut of two M20 of vehicle；
The first tooling flange (8), the second tooling flange (11) and the third tooling flange (12) are pacified respectively
In the seam allowance of centre bore bottom on the pump housing (1), and make the first tooling flange (8), the second tooling flange (11),
Cross hairs of the cross hairs respectively with central hole on the pump housing (1) on the third tooling flange (12) coincides；
The M20 bolt is installed in the nest of the hole the Φ 100X20, and 100 hollow cylinder of Φ (13) is covered in the M20
It is put on bolt to the nest of the hole the Φ 100X20, the Φ 100X20 method is installed at the top of 100 hollow cylinder of Φ (13)
Blue disk, and tightened by the M20 nut；
Table centering is beaten according to cylinder, first eccentric orfice (3), second eccentric orfice (4), third bias can be found
Hole (5), the 4th eccentric orfice (6) and the 5th eccentric orfice (7) central point, then according to drawing dimensioned；
School inspection is measured to the eccentric orfice of processing.
7. the method for eccentric element centering and measurement according to claim 6, which is characterized in that the bias of described pair of processing
Hole measures school inspection
By Φ 100X120 hollow cylinder (14) be mounted on the first tooling flange (8), the second tooling flange (11) and
In the hole the Φ 100X20 nest of the third tooling flange (12), pass through the Φ using depth ruler or internal diameter ruler
The center of circle of 100X120 hollow cylinder (14) be first eccentric orfice (3) that can measure added work, second eccentric orfice (4),
The size of the third eccentric orfice (5), the 4th eccentric orfice (6) and the 5th eccentric orfice (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070424.XA CN109176109A (en) | 2018-09-13 | 2018-09-13 | The tooling and method of eccentric element centering and measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070424.XA CN109176109A (en) | 2018-09-13 | 2018-09-13 | The tooling and method of eccentric element centering and measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109176109A true CN109176109A (en) | 2019-01-11 |
Family
ID=64911067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811070424.XA Pending CN109176109A (en) | 2018-09-13 | 2018-09-13 | The tooling and method of eccentric element centering and measurement |
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| Country | Link |
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| CN (1) | CN109176109A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644878A (en) * | 2020-06-02 | 2020-09-11 | 大连理工大学 | Device and method for accurately and quickly aligning rotary parts on machine |
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|---|---|---|---|---|
| DE102009047717A1 (en) * | 2009-12-09 | 2011-06-16 | Putzmeister Mörtelmaschinen GmbH | Cavity Pump |
| CN106392467A (en) * | 2016-11-24 | 2017-02-15 | 沈阳鼓风机集团申蓝机械有限公司 | Processing method of X6 pump |
| CN107498069A (en) * | 2016-06-14 | 2017-12-22 | 沈阳鼓风机集团申蓝机械有限公司 | Pump housing joint portion off-centre operation processing technology |
| CN108032077A (en) * | 2017-10-31 | 2018-05-15 | 沈阳透平机械股份有限公司 | The horizontal aligning method of large-scale cartridge type centrifugal compressor rotor and partition plate beam |
| CN108067838A (en) * | 2017-10-31 | 2018-05-25 | 武汉船用机械有限责任公司 | The processing method of inner hole key slot |
-
2018
- 2018-09-13 CN CN201811070424.XA patent/CN109176109A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009047717A1 (en) * | 2009-12-09 | 2011-06-16 | Putzmeister Mörtelmaschinen GmbH | Cavity Pump |
| CN107498069A (en) * | 2016-06-14 | 2017-12-22 | 沈阳鼓风机集团申蓝机械有限公司 | Pump housing joint portion off-centre operation processing technology |
| CN106392467A (en) * | 2016-11-24 | 2017-02-15 | 沈阳鼓风机集团申蓝机械有限公司 | Processing method of X6 pump |
| CN108032077A (en) * | 2017-10-31 | 2018-05-15 | 沈阳透平机械股份有限公司 | The horizontal aligning method of large-scale cartridge type centrifugal compressor rotor and partition plate beam |
| CN108067838A (en) * | 2017-10-31 | 2018-05-25 | 武汉船用机械有限责任公司 | The processing method of inner hole key slot |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644878A (en) * | 2020-06-02 | 2020-09-11 | 大连理工大学 | Device and method for accurately and quickly aligning rotary parts on machine |
| CN111644878B (en) * | 2020-06-02 | 2021-07-16 | 大连理工大学 | Device and method for accurately and quickly aligning rotary parts on machine |
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Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |