CN102980817A - Miniature turbine blade shearing property experiment apparatus and method - Google Patents
Miniature turbine blade shearing property experiment apparatus and method Download PDFInfo
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- CN102980817A CN102980817A CN2012105206001A CN201210520600A CN102980817A CN 102980817 A CN102980817 A CN 102980817A CN 2012105206001 A CN2012105206001 A CN 2012105206001A CN 201210520600 A CN201210520600 A CN 201210520600A CN 102980817 A CN102980817 A CN 102980817A
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- turbine blade
- miniature turbine
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Abstract
The invention relates to experimental apparatuses and methods, in particular relates to a miniature turbine blade shearing property experiment apparatus and a miniature turbine blade shearing property experiment method, and aims at solving the problem that the traditional basic experimental method can not realize test on the mechanical property of a miniature turbine. The miniature turbine blade shearing property experiment apparatus comprises a shearing component, a sample fixed table, a moving table, a base and a plurality of first screws, wherein the moving table is arranged on the base and can linearly move on the upper surface of the base along a horizontal plane, the sample fixed table is arranged on the upper surface of the moving table by the plurality of first screws, and the shearing component is arranged above the sample fixed table. The miniature turbine blade shearing property experiment apparatus and the miniature turbine blade shearing property experiment method are used for experiments on the shearing property of a miniature turbine blade.
Description
Technical field
The present invention relates to a kind of experimental provision and method, be specifically related to a kind of miniature turbine blade cutting performance experimental provision and method.
Background technology
Along with the commercialization process of MEMS, the research of little construction material mechanical property becomes a more and more important problem.Arrive to a certain degree when member is little, because the impact of surface effect, institutional framework and process, the mechanical property of material has been compared different significantly from body.A lot of traditional material mechanical performance method of testing and testing tools have not re-used.Therefore, the basic mechanical performance that how to obtain microstructure just becomes the MEMS design, manufacture and life is estimated problem in the urgent need to address.The miniature turbine member has a wide range of applications in microgenerator, tiny engine, its usability has determined the serviceable life of whole system, yet about the work of miniature turbine Mechanics Performance Testing aspect seldom, simultaneously, because the miniature turbine overall dimensions is little, be difficult for cutting, and contrast locating difficulty etc. during test, traditional infrastest method can't realize the test to its mechanical property.
Summary of the invention
The present invention is that the traditional infrastest method of solution can't realize the problem to the test of miniature turbine mechanical property, and then proposes a kind of miniature turbine blade cutting performance experimental provision and method.
The present invention addresses the above problem the technical scheme of taking to be: the present invention includes shearing component, sample fixed station, mobile platform, base and a plurality of the first screw, mobile platform is installed on the base, and mobile platform can move horizontally by the upper surface of the micrometer head on the mobile platform at base, the sample fixed station is installed on the upper surface of mobile platform by a plurality of the first screws, and shearing component is arranged on the top of sample fixed station.
The concrete steps of miniature turbine blade cutting performance experimental technique of the present invention are:
Step 1, miniature turbine is put into the sample pickup groove of sample fixed station, keep the lateral vertical of miniature turbine blade and sample fixed station;
Step 4, begin to carry out miniature turbine blade shearing experiment, the displacement-curve of load by testing machine output obtains maximum shear stress F;
Formula 1. middle τ represents front shear resistance, and S represents miniature turbine blade section area.
The invention has the beneficial effects as follows: the present invention can obtain the maximum shear stress in the miniature turbine blade shear test, and calculates miniature turbine blade shear resistance by the shear resistance computing formula; The present invention adopts mobile platform to regulate miniature turbine blade and the relative position relation of shearing between the pressure head, but has shift position precision height, repetitive operation simple in structure, be convenient to locate, and especially for micro-member, can accurately locate it; Sample fixed station of the present invention has effectively limited rotation and the movement of miniature turbine in the shearing experiment, has guaranteed that clipped position remains unchanged in the test process, and the present invention is simple in structure, and is easy to operate.
Description of drawings
Fig. 1 is one-piece construction synoptic diagram of the present invention, Fig. 2 be among Fig. 1 A to synoptic diagram.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1 and Fig. 2, the described a kind of miniature turbine blade cutting performance experimental provision of present embodiment comprises shearing component 1, sample fixed station 2, mobile platform 3, base 4 and a plurality of the first screw 5, mobile platform 3 is installed on the base 4, and mobile platform 3 can move horizontally by the upper surface of the micrometer head on the mobile platform 3 at base 4, sample fixed station 2 is installed on the upper surface of mobile platform 3 by a plurality of the first screws 5, and shearing component 1 is arranged on the top of sample fixed station 2.
The turbo blade thickness of testing in the present embodiment is 0.1mm-0.3mm, highly is 0.5mm-1.0mm, and blade is circular-arc uniform being arranged on the miniature turbine dish.
Embodiment two: present embodiment is described in conjunction with Fig. 1, the shearing component 1 of the described a kind of miniature turbine blade cutting performance experimental provision of present embodiment comprises die shank 6, shears pressure head 7 and the second screw 8, the lower end of die shank 6 is provided with pressure head draw-in groove 6-1, and the upper end of shearing pressure head 7 is fixedly mounted in the pressure head draw-in groove 6-1 by the second screw 8.
The technique effect of present embodiment is: die shank 6 is to removably connect with shearing pressure head 7, can dismantle flexibly and change according to the architectural feature of sample in the experiment, carries out Quenching Treatment to improve physical strength and the hardness of material to shearing pressure head 7.
Other composition and annexation are identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 1, the side of sample fixed station 2 one sides of the described a kind of miniature turbine blade cutting performance experimental provision of present embodiment is provided with sample pickup groove 2-1, the 3rd screw 9 passes sample pickup groove 2-1 from top to bottom, and the 3rd screw 9 is used for the sample in the sample pickup groove 2-1 is locked.
The technique effect of present embodiment is: sample fixed station 2 effectively limits rotation and the movement of miniature turbine in the shearing experiment, has guaranteed that clipped position remains unchanged in the test process.
Other composition and annexation are identical with embodiment one.
Embodiment four: in conjunction with Fig. 1 present embodiment is described, the shearing pressure head 7 of the described a kind of miniature turbine blade cutting performance experimental provision of present embodiment is the shearing pressure head 7 that SKD11 mould steel is made.
SKD11 in the SKD11 mould steel refers to a kind of Japanese tool steel trade mark.
Other composition and annexation are identical with embodiment two.
Embodiment five: in conjunction with Fig. 1 present embodiment is described, the described a kind of concrete steps of the method that the described device of embodiment carries out miniature turbine blade cutting performance experiment of utilizing of present embodiment are as follows:
Step 1, miniature turbine is put into the sample pickup groove 2-1 of sample fixed station 2, keep the lateral vertical of miniature turbine blade and sample fixed station 2;
Step 4, begin to carry out miniature turbine blade shearing experiment, the displacement-curve of load by testing machine output obtains maximum shear stress F;
Formula 1. middle τ represents front shear resistance, and S represents miniature turbine blade section area.
Clipped position is at the root of miniature turbine blade in the step 2.
Claims (5)
1. miniature turbine blade cutting performance experimental provision, it is characterized in that: described a kind of miniature turbine blade cutting performance experimental provision comprises shearing component (1), sample fixed station (2), mobile platform (3), base (4) and a plurality of the first screw (5), mobile platform (3) is installed on the base (4), and mobile platform (3) can move horizontally by the upper surface of the micrometer head on the mobile platform (3) at base (4), sample fixed station (2) is installed on the upper surface of mobile platform (3) by a plurality of the first screws (5), and shearing component (1) is arranged on the top of sample fixed station (2).
2. described a kind of miniature turbine blade cutting performance experimental provision according to claim 1, it is characterized in that: shearing component (1) comprises die shank (6), shears pressure head (7) and the second screw (8), the lower end of die shank (6) is provided with pressure head draw-in groove (6-1), and the upper end of shearing pressure head (7) is fixedly mounted in the pressure head draw-in groove (6-1) by the second screw (8).
3. described a kind of miniature turbine blade cutting performance experimental provision according to claim 1, it is characterized in that: the side of sample fixed station (2) one sides is provided with sample pickup groove (2-1), the 3rd screw (9) passes sample pickup groove (2-1) from top to bottom, and the 3rd screw (9) is used for the locking of the sample in the sample pickup groove (2-1).
4. described a kind of miniature turbine blade cutting performance experimental provision according to claim 2, it is characterized in that: shearing pressure head (7) is the shearing pressure head (7) that SKD11 mould steel is made.
5. one kind is utilized the described experimental provision of claim 1 to carry out the method that miniature turbine blade cutting performance is tested, and it is characterized in that: the concrete steps of the method for described a kind of miniature turbine blade cutting performance experiment are as follows:
Step 1, miniature turbine is put into the sample pickup groove (2-1) of sample fixed station (2), keep the lateral vertical of miniature turbine blade and sample fixed station (2);
Step 2, base (4) is placed on the material property testing machine, regulates mobile platform (3) external arc of miniature turbine blade and the cutting edge of shearing pressure head (7) are aligned;
Step 3, the Material Testing Machine that starts, the setting experiment parameter, it is 0.1mm/min-0.5mm/min that shear rate is set, setting the experiment termination condition is shearing force decay 80%;
Step 4, begin to carry out miniature turbine blade shearing experiment, the displacement-curve of load by testing machine output obtains maximum shear stress F;
Step 5, the maximum shear stress F that obtains in the step 4 is imported the shear resistance computing formula, obtain miniature turbine blade shear resistance value, the shear resistance computing formula is:
Formula 1. middle τ represents front shear resistance, and S represents miniature turbine blade section area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105206001A CN102980817A (en) | 2012-12-06 | 2012-12-06 | Miniature turbine blade shearing property experiment apparatus and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105206001A CN102980817A (en) | 2012-12-06 | 2012-12-06 | Miniature turbine blade shearing property experiment apparatus and method |
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| CN102980817A true CN102980817A (en) | 2013-03-20 |
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| CN2012105206001A Pending CN102980817A (en) | 2012-12-06 | 2012-12-06 | Miniature turbine blade shearing property experiment apparatus and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738300A (en) * | 2018-10-31 | 2019-05-10 | 中国飞机强度研究所 | A kind of curved scissors combination test apparatus of pin shaft base part |
| CN110108578A (en) * | 2019-05-31 | 2019-08-09 | 上海工程技术大学 | A kind of shearing test device and system based on universal testing machine |
| CN110361256A (en) * | 2019-08-22 | 2019-10-22 | 中国船舶重工集团公司第七二五研究所 | A kind of universal testing machine grip device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092097U (en) * | 1991-06-10 | 1992-01-01 | 西南交通大学 | Miniature tester for mechanical properties of materials |
| KR20080087290A (en) * | 2007-03-26 | 2008-10-01 | 양성모 | Shear stress-strain evaluation method for solder joint by micro mechanics test method |
| CN102759485A (en) * | 2012-07-06 | 2012-10-31 | 西安交通大学 | Micro pressure shear experimental device and testing method of mechanical property of fusion welding microcell |
-
2012
- 2012-12-06 CN CN2012105206001A patent/CN102980817A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092097U (en) * | 1991-06-10 | 1992-01-01 | 西南交通大学 | Miniature tester for mechanical properties of materials |
| KR20080087290A (en) * | 2007-03-26 | 2008-10-01 | 양성모 | Shear stress-strain evaluation method for solder joint by micro mechanics test method |
| CN102759485A (en) * | 2012-07-06 | 2012-10-31 | 西安交通大学 | Micro pressure shear experimental device and testing method of mechanical property of fusion welding microcell |
Non-Patent Citations (1)
| Title |
|---|
| 权思勇: "焊接接头微型剪切试验与常规机械性能试验关系的研究", 《中国优秀博硕士学位论文全文数据库（硕士）工程科技Ⅰ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738300A (en) * | 2018-10-31 | 2019-05-10 | 中国飞机强度研究所 | A kind of curved scissors combination test apparatus of pin shaft base part |
| CN110108578A (en) * | 2019-05-31 | 2019-08-09 | 上海工程技术大学 | A kind of shearing test device and system based on universal testing machine |
| CN110361256A (en) * | 2019-08-22 | 2019-10-22 | 中国船舶重工集团公司第七二五研究所 | A kind of universal testing machine grip device |
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Application publication date: 20130320 |