CN106475790A - Deep camber thin-wall part multi-point support localization method, flexible frock and establishing method - Google Patents
Deep camber thin-wall part multi-point support localization method, flexible frock and establishing method Download PDFInfo
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- CN106475790A CN106475790A CN201610940055.XA CN201610940055A CN106475790A CN 106475790 A CN106475790 A CN 106475790A CN 201610940055 A CN201610940055 A CN 201610940055A CN 106475790 A CN106475790 A CN 106475790A
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/03—Stationary work or tool supports
- B23Q1/032—Stationary work or tool supports characterised by properties of the support surface
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- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to a kind of deep camber thin-wall part multi-point support localization method, flexible frock and establishing method, the deep camber thin-wall part supports localization method to include：By modular frock unit come the shape of piecewise fitting curved surface part, the deflection angle of each frock unit module and the lifting height of each support bar in each unit is determined, to build a flexible frock for being suitable to multi-point support.Present invention, avoiding support bar elongation difference larger shortcoming when deep camber part is processed, while the localization method compensate for the partially deflected angle of the bulb structure of universal turning (can) of support bar using the angular deflection of itself of frock unit module, it is to avoid bulb deflection angle exceeds range of deflection.
Description
Technical field
The present invention relates to a kind of thin-wall part supports localization method, especially a kind of dot matrix for being suitable for deep camber thin-wall part
The positioning of flexible fixture.
Background technology
The dot matrix thin-wall part positioning for widely using in current each at home and abroad enterprise and universities and colleges of research unit and studying
Support fixture mainly includes three kinds of forms：
(1) both direction in horizontal plane is fixed, and can only be adjusted in the height direction, and such as fourth is hidden in 2007 in aviation
The west that introduces in the automatic station-keeping system that delivers in manufacturing technology, laser incising type machine and one text of horizontal digital-control covering blanking drilling and milling machine
The multi-point support product of tooth company of class, the combined type thin-gauge skin moulding surface trimming cut flexibility multi-supporting equipment of BJ University of Aeronautics ＆ Astronautics
(CN101229598A) etc.；
(2) hole, groove isostructural multipoint positioning support fixture are had on basic platform, and foreign scholar Sela etc. is in The
The entitled A delivered on International Journal of Advanced Manufacturing Technology magazine
The text of reconfigurable modular fixturing system for thin-walled flexible objects
Illustrate in offering.
(3) Roboticized intelligent fixture system of all adjustable chucking appliance system on 3 directions, such as Tsing-Hua University invention
(CN101269466A).
In said apparatus, the structure described in (1), (2) is relatively easy, processing ease, the complex structure described in (3), needs
Want larger amount of calculation and higher control technology.And the device described in (1), (2), (3) is all only suitable for little curvature part, work as portion
The curvature of part is larger, such as shown in Fig. 1 (a) and Fig. 1 (b), to the part similar to semi-circular cylindrical, is supported using said apparatus
Positioning there will be following problem：
1st, in the case that support bar is equidistant, the distance between strong point difference is larger, e.g., l12Much larger than l56, subscript code name
Represent corresponding supporting point position, different by the deflection of support member so as to cause；
2nd, the gap of middle and two ends each unit lift is larger, proposes different range demands for support bar, unfavorable
In the design of support bar and the generalization of processing technology；
3rd, the bulb structure of universal turning (can) deflection angle of support bar easily exceeds range of deflection；
4th, the control ability for part edge is poor.
Content of the invention
It is an object of the invention to provide a kind of localization method for deep camber thin-wall part multi-point support, to improve frock
Flexibility degree and the stability of support positioning.
In order to solve above-mentioned technical problem, the invention provides a kind of positioning side for deep camber thin-wall part multi-point support
Method, by modular frock unit, i.e., the shape of each frock unit module piecewise fitting curved surface part, is suitable to multiple spot to build
The flexible frock of support.
Further, each frock unit module is respectively a basic frock unit module and several adjustable deflection angles
Frock unit module, each frock unit module are connected with each other, and the shape by piecewise fitting curved surface part, to determine each frock
The deflection angle of unit module and the lifting height of support bar.
Further, the curved surface (by taking the curve on a certain section on curved surface as an example) according to curved surface part, each frock
The shape of unit module piecewise fitting curved surface part, to determine the deflection angle of each frock unit module and the upper rising of support bar
The method of degree includes：
Step S1, sets up coordinate system, by curved section process (by taking the curve on a certain section on curved surface as an example), according to
The linear equation of each segmentation tries to achieve the position of each frock unit module；
Step S2, according to the position of each frock unit module, determines the deflection angle of each frock unit module；
Step S3, the deflection angle according to each frock unit module try to achieve the linear equation of each frock unit module, and then
Try to achieve the expression formula of each support bar place straight line, and the intersection point of support bar place straight line and curved surface is tried to achieve, straight line is arrived according to point
Range formula can try to achieve intersection point to the height of distance, the i.e. support bar of each frock unit module.
Another aspect, a kind of localization method for deep camber thin-wall part multi-point support of the present invention include：Several
The frock unit module of multi-point support is continuously suitable to, and frock unit module includes that basic frock unit and some inclinations set respectively
The frock unit that puts, is connected with each other and can adjust deflection angle between each frock unit；There are several support bars on frock unit,
Each support bar has unidirectional free degree, and is suitable to adjust height, and the top of each support bar is a universal spherical joint formula
Structure, can freely turn round in certain angular range around the centre of gyration of ball pivot.
Further, according to the corresponding matched curve of curvature part, by modular frock unit come piecewise fitting curved surface
The shape of part, the method for trying to achieve the position of each frock unit module, comprise the steps：
Step S11, the stationary point for obtaining the corresponding curved surface of deep camber part (with the curve on a certain section on curved surface is
Example), stationary point translates downwards the position midpoint of frock unit module based on certain distance；
Step S12, line segment (line segment length the is equal to base length) quartering of frock unit module correspondence position passes through
Middle 3 points of straight lines done perpendicular to the line segment, and rightmost end points in crossing at 3 points (as a example by this sentences X-axis right axle shaft, left half axle institute
Reconnaissance should be 3 points in the middle of line segment in Far Left end points) straight line and pre- matched curve intersecting, obtain an intersection point；
Step S13, starts to do the string of a fixed length in pre- matched curve from intersection point, corresponds to position by frock unit module
The right endpoint of the line segment that puts does a parallel line segment of chord (length of line segment is equal to the base length of frock unit module), you can
Obtain the position of the frock unit module on the right side of existing frock unit module；
Step S14, repeat step S12, S13, until End of Curve is interval.
Second aspect, in order to solve above-mentioned same technical problem, present invention also offers a kind of for multi-point support
Flexible frock establishing method.
The flexible frock establishing method for multi-point support comprises the steps：
First, coordinate system is set up, curved section is processed, the linear equation according to each segmentation tries to achieve each frock unit module
Position；
Secondly, according to the position of each frock unit module, determine the deflection angle of each frock unit module；
Also, the deflection angle according to each frock unit module tries to achieve the linear equation of each frock unit module, Jin Erqiu
Each support bar place straight line expression formula, and try to achieve the intersection point of support bar place straight line and curved surface, according to put straight line away from
Intersection point can be tried to achieve to a distance from each frock unit module from formula, i.e. the height of support bar.
Further, the method for curved section being processed comprises the steps：
Step S11, obtains the stationary point of the corresponding curved surface of deep camber part, and stationary point translates downwards work based on certain distance
The position midpoint of dress unit module；
Step S12, the line segment quartering of frock unit module correspondence position is done perpendicular to the line segment by middle 3 points
Straight line, in crossing at 3 points the straight line of rightmost end points and pre- matched curve intersecting, obtain an intersection point；
Step S13, starts to do the string of a fixed length in pre- matched curve from intersection point, corresponds to position by frock unit module
The right endpoint of the line segment that puts does a parallel line segment of chord, you can obtain the frock unit mould on the right side of existing frock unit module
The position of block；
Step S14, repeat step S12, S13, until End of Curve is interval.
The third aspect, in order to solve above-mentioned same technical problem, present invention also offers a kind of flexibility of multi-point support
Frock.
The flexible frock includes some frock unit modules, and each frock unit module is suitable to piecewise fitting curved surface part
Shape, be suitable to the flexible frock of multi-point support to build.
Further, each frock unit module is respectively a basic frock unit module and several adjustable deflection angles
Frock unit module, each frock unit module are connected with each other, and the shape by piecewise fitting curved surface part, to determine each frock
The deflection angle of unit module and the lifting height of support bar.
Further, there are several support bars on the frock unit module, each support bar has unidirectional free degree,
And be suitable to adjust height, the bulb of each support bar top is the structure of a universal spherical joint formula, and is suitable to returning around ball pivot
Turn center freely to turn round in certain angular range.
Beneficial effects of the present invention are as follows：
(1) support bar elongation difference larger shortcoming when deep camber part positioning is supported is avoided so that each support bar
Difference in elongation reduce；
(2) algorithm compensate for the partially deflected angle of bulb using the angular deflection of support bar itself, it is to avoid support
The bulb structure of universal turning (can) deflection angle of bar exceeds range of deflection；
(3) conventional flex frock for deep camber part positioning support when due to support bar elongation at part edge
Larger and bulb deflection angle is excessive, therefore poor to control ability at part edge, and the algorithm effectively compensate for the two
Shortcoming, has stronger control ability everywhere to part.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 (a) and Fig. 1 (b) are the structural representations of the prior art enumerated in background technology；
Fig. 2 is the structural representation of the multi-point support positioner of the present invention；
Fig. 3 is the localization method flow chart for deep camber thin-wall part of the present invention；
Fig. 4 be the present invention deep camber thin-wall part multi-point support localization method in frock unit module establishing method flow process
Figure.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with
The basic structure of the illustration explanation present invention, therefore which only shows the composition relevant with the present invention.
The essence of deep camber thin-wall part (abbreviation curved surface part) multi-point support localization method (flexible frock) is to use each support
The curve of the bulb fitting deep camber part of bar.Flexible frock both domestic and external is typically fixed on flexible frock unit module same
On one horizontal plane, by calculating part matched curve to the distance of horizontal plane, support bar is made to rise different height, this mode
The difference in height that rises of support bar big, bulb deflection angle is big.In order to the stability for supporting positioning is improved, deep camber thin-wall part should be made
With support bar bulb contact as much as possible in frock, and ensure bulb adsorption reliability and adaptability to changes concentrate position have more
The strong point be supported.A kind of localization method for deep camber thin-wall part multi-point support is proposed for this, in position fixing process
Part parametric surface equation under frock coordinate system is first fitted, by modular frock unit come piecewise fitting curved surface
The shape of part, determines the deflection angle of each frock unit module and the upper rising of each frock unit module upper support bar
Degree.
Embodiment 1
As shown in Fig. 2 the present embodiment 1 provides a kind of localization method for deep camber thin-wall part multi-point support, including：
Several are continuously suitable to the frock unit module of multi-point support, frock unit module include each basis frock unit and some can
The frock unit of adjustable deflection angle, each frock unit module include several support bars, and each support bar has folk prescription
To the free degree, and be suitable to adjust height, the bulb of each support bar top is the structure of a universal spherical joint formula, can surround ball
The centre of gyration of hinge is freely turned round in certain angular range
As shown in Fig. 2 obtaining frock list in deep camber thin-wall part multi-point support localization method according to the method for piecewise fitting
The deflection angle of element module and the lifting height of support bar.
The matched curve of deep camber thin-wall part is first set as f (x), the length of each frock unit module is L, each frock unit mould
The angle of inclination of block is αn, the lifting height of flexible unit upper support bar is Δ h1、Δh2、Δh3, n represents from basic frock list
The corresponding frock unit module of element module side to the left or to the right.Concretely comprise the following steps：
Step S1, sets up coordinate system, by curved section process (by taking the curve on a certain section on curved surface as an example), according to
The linear equation of each segmentation tries to achieve the position of each frock unit module；
Step S2, according to the position of each frock unit module, determines the deflection angle of each frock unit module；
Step S3, the deflection angle according to each frock unit module try to achieve the linear equation of each frock unit module, and then
Try to achieve the expression formula of each support bar place straight line, and the intersection point of support bar place straight line and curved surface is tried to achieve, straight line is arrived according to point
Range formula can try to achieve intersection point to the height of distance, the i.e. support bar of each frock unit module.
The concrete steps for determining each frock unit module position according to curvilinear equation in described step S1 include：
Step S11, the stationary point for obtaining the corresponding curved surface of deep camber part (with the curve on a certain section on curved surface is
Example), stationary point translates downwards the position midpoint of frock unit module based on certain distance；
Step S12, line segment (line segment length the is equal to base length) quartering of frock unit module correspondence position passes through
Middle 3 points of straight lines done perpendicular to the line segment, and rightmost end points in crossing at 3 points (as a example by this sentences X-axis right axle shaft, left half axle institute
Reconnaissance should be 3 points in the middle of line segment in Far Left end points) straight line and pre- matched curve intersecting, obtain an intersection point；
Step S13, starts to do the string of a fixed length in pre- matched curve from intersection point, corresponds to position by frock unit module
The right endpoint of the line segment that puts does a parallel line segment of chord (length of line segment is equal to the base length of frock unit module), you can
Obtain the position of the frock unit module on the right side of existing frock unit module；
Step S14, repeat step S12, S13, until End of Curve is interval.
The solution of the deflection angle of the frock unit module being obliquely installed with regard to acquisition in described step S2, is embodied as
For：
, at a distance of l, the elemental height of support bar is h to set support bar in each frock module.
To matched curve f (x) derivation, f ' (x)=0 is made, try to achieve x0Point (i.e. stationary point), with x0Coordinate is set up for the origin of coordinates
System, then now form new curvilinear equation, g (x)=f (x-x0)
In x0Lower section Δ h2Place does one perpendicular to x=x0And length is the line segment of L, line segment two-end-point is designated as A, B point, directly
Line L is by straight line x=x0Divide equally.By the AB quartering, then by 3 points of straight lines done perpendicular to the line segment in the middle of AB line segment, hand over respectively
Curve g (x) and 2 points of a, b, such as Fig. 2, then with a, b for basic point, are found out apart from c ' respectively in the upper both sides extended spot of curve g (x),
2 points for L of 2 points of d ', line ac ' and bd '；Then respectively make length for L and line parallel to ac ' and bd ' from A, B at 2 points
Section, note terminal are respectively C, D.
Then by rightmost end points in 3 points in the middle of CD line segment (as a example by this sentences X-axis right axle shaft, if the reconnaissance of left half axle institute should
For Far Left end points in 3 points in the middle of line segment) straight line perpendicular to the line segment is done, hand over curve g (x) and d point respectively, then again with d
For basic point, on curve, both sides extended spot finds out the f ' point apart from d point for L respectively, and 2 points of line becomes line segment df '；Then from D point
Make length respectively for L and the line segment parallel to line segment df ', note terminal is F.The like, until End of Curve is interval.Finally do
Figure such as Fig. 2, the wherein line segment such as AB, AC, BD are frock unit module, and on each frock unit module, three vertical line segments are
Unit upper support bar；
Determine the deflection angle (here by taking x-axis right axle shaft as an example) of each frock unit module first：
B point coordinates should be (x1=L/4, g (x1)), d ' point coordinates is (x2, g (x2)), f ' point coordinates is (x3, g (x3)), according to
Secondary analogize, have：
(x2-x1)2+(g(x2)-g(x1))2=L2；
Can then obtain：
The deflection angle of first frock unit module being obliquely installed can be obtained；
On this basis, the deflection angle expression formula to arbitrary frock unit module is as follows：
(xn+1-xn)2+(g(xn+1)-g(xn))2=L2；
The method for determining support bar lifting height in step S3, is embodied as：
If Δ h2For a constant (Δ h or not 02＞ h), by taking x right axle shaft as an example, B point coordinates is (L/2 ,-Δ h2), and
The deflection angle of each frock unit module can be obtained by above-mentioned analysis, then the frock unit module that the right first is obliquely installed can be written
Analytical expression be：
Similar method is calculated to other frock unit modules, and the starting point coordinate of n-th frock unit module is (xn, g
(xn)-Δh2), and the deflection angle of the frock unit module is αn, then the analytical expression of n-th frock unit module be：
yn=tan αn(x-xn)+Δh2-g(xn)
As basic frock unit module is horizontal positioned, the lifting height of each support bar is respectively Δ h2,Raise on the support bar of remaining each frock unit module (the frock unit module being obliquely installed)
Degree, from above formula, it is known that corresponding frock unit module structure deflection angle (being referred to as angle of inclination), therefore can obtain and this
The orthogonal linear equation of straight line, its expression formula is：
Wherein makeCan
The linear equation of each frock unit module upper support bar, i.e. lifting height expression formula.
Simultaneous curvilinear equation g (x) and linear equation h (x), you can obtain intersecting point coordinate (xi, yi), then distance between two points are public
FormulaThe lifting height Δ h of each support bar is obtained.
Embodiment 2
On the basis of above-described embodiment 1, the present embodiment 2 provides a kind of flexible frock establishing method for multi-point support
Comprise the steps：
First, coordinate system is set up, curved section is processed, the linear equation according to each segmentation tries to achieve each frock unit module
Position；
Secondly, according to the position of each frock unit module, determine the deflection angle of each frock unit module；
Also, the deflection angle according to each frock unit module tries to achieve the linear equation of each frock unit module, Jin Erqiu
Each support bar place straight line expression formula, and try to achieve the intersection point of support bar place straight line and curved surface, according to put straight line away from
Intersection point can be tried to achieve to a distance from each frock unit module from formula, i.e. the height of support bar.
Specifically, the method for curved section being processed comprises the steps：
Step S11, obtains the stationary point of the corresponding curved surface of deep camber part, and stationary point translates downwards work based on certain distance
The position midpoint of dress unit module；
Step S12, the line segment quartering of frock unit module correspondence position is done perpendicular to the line segment by middle 3 points
Straight line, in crossing at 3 points the straight line of rightmost end points and pre- matched curve intersecting, obtain an intersection point；
Step S13, starts to do the string of a fixed length in pre- matched curve from intersection point, corresponds to position by frock unit module
The right endpoint of the line segment that puts does a parallel line segment of chord, you can obtain the frock unit mould on the right side of existing frock unit module
The position of block；
Step S14, repeat step S12, S13, until End of Curve is interval.
Embodiment 3
On the basis of embodiment 1 and embodiment 2, the present embodiment 3 provides a kind of flexible frock of multi-point support.
The flexible frock includes some frock unit modules, and each frock unit module is suitable to piecewise fitting curved surface part
Shape, be suitable to the flexible frock of multi-point support to build.
Wherein, each frock unit module is respectively a basic frock unit module and several adjustable deflection angle works
Dress unit module, each frock unit module is connected with each other, and the shape by piecewise fitting curved surface part, to determine each frock list
The deflection angle of element module and the lifting height of support bar.
Specifically, there are several support bars on the frock unit module, each support bar has unidirectional free degree,
And be suitable to adjust height, the bulb of each support bar top is the structure of a universal spherical joint formula, and is suitable to returning around ball pivot
Turn center freely to turn round in certain angular range.
The shape of each frock unit module piecewise fitting curved surface part, to determine the deflection angle of each frock unit module
The method of the lifting height of degree and support bar is as described in Example 1.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various change and modification can be carried out entirely in the range of without departing from this invention technological thought.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (10)
1. a kind of localization method for deep camber thin-wall part multi-point support, it is characterised in that
By modular frock unit, i.e.,
The shape of each frock unit module piecewise fitting curved surface part, to build the flexible frock for being suitable to multi-point support.
2. localization method according to claim 1, it is characterised in that
Each frock unit module is respectively a basic frock unit module and several adjustable deflection angle frock unit moulds
Block, each frock unit module are connected with each other, and
By the shape of piecewise fitting curved surface part, to determine the deflection angle of each frock unit module and the upper rising of support bar
Degree.
3. localization method according to claim 2, it is characterised in that
There are several support bars on the frock unit module, each support bar has unidirectional free degree, and be suitable to adjust
Highly, the bulb of each support bar top is the structure of a universal spherical joint formula, and is suitable to the centre of gyration around ball pivot one
Freely turn round in fixed angular range.
4. localization method according to claim 3, it is characterised in that each frock unit module piecewise fitting curved surface part
Shape, to determine that the deflection angle of each frock unit module and the method for the lifting height of support bar include：
Step S1, sets up coordinate system, and curved section is processed, and the linear equation according to each segmentation tries to achieve each frock unit module
Position；
Step S2, according to the position of each frock unit module, determines the deflection angle of each frock unit module；
Step S3, the deflection angle according to each frock unit module try to achieve the linear equation of each frock unit module, and then try to achieve
The expression formula of each support bar place straight line, and the intersection point of support bar place straight line and curved surface is tried to achieve, according to the distance of point to straight line
Formula can try to achieve intersection point to the height of distance, the i.e. support bar of each frock unit module.
5. localization method according to claim 4, it is characterised in that the method in step S1 processing curved section includes
Following steps：
Step S11, obtains the stationary point of the corresponding curved surface of deep camber part, and stationary point translates downwards frock list based on certain distance
The position midpoint of element module；
Step S12, the line segment quartering of frock unit module correspondence position is done perpendicular to the straight of the line segment by middle 3 points
Line, the straight line of rightmost end points and pre- matched curve in crossing at 3 points intersect, and obtain an intersection point；
Step S13, starts to do the string of a fixed length in pre- matched curve from intersection point, by frock unit module correspondence position
The right endpoint of line segment does a parallel line segment of chord, you can the frock unit module on the right side of the existing frock unit module of acquisition
Position；
Step S14, repeat step S12, S13, until End of Curve is interval.
6. a kind of flexible frock establishing method for multi-point support, it is characterised in that comprise the steps：
First, coordinate system is set up, curved section is processed, the linear equation according to each segmentation tries to achieve the position of each frock unit module
Put；
Secondly, according to the position of each frock unit module, determine the deflection angle of each frock unit module；
Also, the deflection angle according to each frock unit module tries to achieve the linear equation of each frock unit module, and then tries to achieve each
The expression formula of support bar place straight line, and the intersection point of support bar place straight line and curved surface is tried to achieve, public according to the distance of point to straight line
Formula can try to achieve intersection point to the height of distance, the i.e. support bar of each frock unit module.
7. flexible frock establishing method according to claim 6, it is characterised in that
The method that curved section is processed comprises the steps：
Step S11, obtains the stationary point of the corresponding curved surface of deep camber part, and stationary point translates downwards frock list based on certain distance
The position midpoint of element module；
Step S12, the line segment quartering of frock unit module correspondence position is done perpendicular to the straight of the line segment by middle 3 points
Line, the straight line of rightmost end points and pre- matched curve in crossing at 3 points intersect, and obtain an intersection point；
Step S13, starts to do the string of a fixed length in pre- matched curve from intersection point, by frock unit module correspondence position
The right endpoint of line segment does a parallel line segment of chord, you can the frock unit module on the right side of the existing frock unit module of acquisition
Position；
Step S14, repeat step S12, S13, until End of Curve is interval.
8. a kind of flexible frock of multi-point support, it is characterised in that include
Some frock unit modules, and
Each frock unit module is suitable to the shape of piecewise fitting curved surface part, to build the flexible frock for being suitable to multi-point support.
9. flexible frock according to claim 8, it is characterised in that
Each frock unit module is respectively a basic frock unit module and several adjustable deflection angle frock unit moulds
Block, each frock unit module are connected with each other, and
By the shape of piecewise fitting curved surface part, to determine the deflection angle of each frock unit module and the upper rising of support bar
Degree.
10. flexible frock according to claim 9, it is characterised in that
There are several support bars on the frock unit module, each support bar has unidirectional free degree, and be suitable to adjust
Highly, the bulb of each support bar top is the structure of a universal spherical joint formula, and is suitable to the centre of gyration around ball pivot one
Freely turn round in fixed angular range.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063103A (en) * | 2017-03-23 | 2017-08-18 | 西北工业大学 | A kind of thin-wall part multi-point flexibly positioning and deformation measurement experimental provision |
| CN107695732A (en) * | 2017-11-17 | 2018-02-16 | 哈尔滨哈飞工业有限责任公司 | A kind of thin-wall part processes auxiliary support apparatus |
| CN112917039A (en) * | 2021-02-10 | 2021-06-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Welding method of step-shaped structure microstrip substrate |
| CN113084595A (en) * | 2021-03-25 | 2021-07-09 | 北京空间机电研究所 | High-precision ring part plane scraping method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063103A (en) * | 2017-03-23 | 2017-08-18 | 西北工业大学 | A kind of thin-wall part multi-point flexibly positioning and deformation measurement experimental provision |
| CN107695732A (en) * | 2017-11-17 | 2018-02-16 | 哈尔滨哈飞工业有限责任公司 | A kind of thin-wall part processes auxiliary support apparatus |
| CN112917039A (en) * | 2021-02-10 | 2021-06-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Welding method of step-shaped structure microstrip substrate |
| CN113084595A (en) * | 2021-03-25 | 2021-07-09 | 北京空间机电研究所 | High-precision ring part plane scraping method |
| CN113084595B (en) * | 2021-03-25 | 2022-07-05 | 北京空间机电研究所 | High-precision ring part plane scraping method |
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|---|---|
| CN106475790B (en) | 2018-06-15 |
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