CN110261021A - A kind of rotary press head component suitable for measuring nonequiaxial residual stress - Google Patents
A kind of rotary press head component suitable for measuring nonequiaxial residual stress Download PDFInfo
- Publication number
- CN110261021A CN110261021A CN201910526364.6A CN201910526364A CN110261021A CN 110261021 A CN110261021 A CN 110261021A CN 201910526364 A CN201910526364 A CN 201910526364A CN 110261021 A CN110261021 A CN 110261021A
- Authority
- CN
- China
- Prior art keywords
- measuring
- nonequiaxial
- electric machine
- rotating electric
- head component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000007373 indentation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of rotary press head component suitable for measuring nonequiaxial residual stress, including linear motor, pinboard, rotating electric machine, load transducer and Knoop pressure head, the linear motor are fixed on Portable press fit instrument, and the pinboard is connect with linear motor drive rod；The rotating electric machine is fixedly connected with pinboard；The load transducer and rotating electric machine activity axis connection；The Knoop pressure head is connect with load transducer.The present invention provides a kind of adjustable angles, the higher rotary press head component for being suitable for measuring nonequiaxial residual stress of testing efficiency, compared with the fixed angle pressure head component of existing commercial indentation instrument, the present invention is precisely controlled the angle between Knoop pressure head long axis and reference data line by rotating electric machine, to avoid angular error caused by manually adjusting, testing efficiency is improved.
Description
Technical field
The present invention relates to a kind of rotary press head components for instrumentation indentation test, are particularly suitable for using instrumentation pressure
Enter the Knoop pressure head component that instrument measures nonequiaxial residual stress.
Background technique
The nonequiaxial residual stress on military service engineering material surface can significantly affect its mechanical property and service life.It deposits at present
In a kind of method for carrying out 4 nonequiaxial residual stress of indentation detection on the surface of the material using Knoop pressure head.In 4 process of press in
In, this method must assure that Knoop pressure head long axis and reference data line respectively at 0 degree, 45 degree, 90 degree and 135 degree.For the party
Method, the pressure head component of the fixed angle of commercial indentation instrument must adjust Knoop pressure head long axis and reference data line repeatedly at present
Angle, error is larger, and process is cumbersome, greatly reduces testing efficiency.
Summary of the invention
In order to overcome the angle of prior art pressure head component to fix, the lower deficiency of testing efficiency, the present invention provides one
The higher rotary press head component for being suitable for measuring nonequiaxial residual stress of kind adjustable angle, testing efficiency, with existing commercial pressure
The fixed angle pressure head component for entering instrument is compared, and the present invention is precisely controlled Knoop pressure head long axis and reference data by rotating electric machine
Angle between line improves testing efficiency to avoid angular error caused by manually adjusting.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of rotary press head component suitable for measuring nonequiaxial residual stress, including linear motor, pinboard, electric rotating
Machine, load transducer and Knoop pressure head, the linear motor are fixed on Portable press fit instrument, the pinboard and linear motor
Drive rod connection；The rotating electric machine is fixedly connected with pinboard；The load transducer and rotating electric machine activity axis connection；Institute
Knoop pressure head is stated to connect with load transducer.
Further, contain grating scale inside the linear motor, for measuring compression distance.
Further, the pinboard is connect by screw thread with linear motor drive rod.
Further, the rotating electric machine is connected by screw to pinboard.
Preferably, the load transducer passes through screw thread and rotating electric machine activity axis connection.
The Knoop pressure head is connect by shaft coupling with load transducer.
Beneficial effects of the present invention are mainly manifested in: can accurately be controlled Knoop pressure head long axis by rotating electric machine and be referred to base
Indentation angle between fiducial axis line has easy for installation, survey compared with fixed angle list pressure head component on existing commercial press fit instrument
Reliable feature is tried, can avoid angular error caused by manually adjusting, improves testing efficiency.
Detailed description of the invention
Fig. 1 is axonometric drawing of the present invention.Wherein, 1 is linear motor, and 2 be pinboard, and 3 be rotating electric machine, and 4 be load sensing
Device, 5 be Knoop pressure head.
Fig. 2 is present invention indentation material rear surface remnants impression schematic diagram.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Figures 1 and 2, a kind of rotary press head component suitable for measuring nonequiaxial residual stress, the component include
Linear motor 1, pinboard 2, rotating electric machine 3, load transducer 4 and Knoop pressure head 5, the linear motor 1 are fixed on portable
On press fit instrument, grating scale is contained inside the linear motor 1, the grating scale is for measuring compression distance；The pinboard 2 is logical
Screw thread is crossed to connect with 1 drive rod of linear motor；The rotating electric machine 3 is connected by screw to pinboard 2；The load transducer
4 pass through internal screw thread and 3 activity axis connection of rotating electric machine；The Knoop pressure head 5 is connect by shaft coupling with load transducer 4.
The working process of this embodiment is as follows:
First, linear motor 1, pinboard 2, rotating electric machine 3, load transducer 4, Knoop pressure head 5 are installed as shown in Figure 1
On Portable press fit instrument.
Second, it is rotated using computer software control rotating electric machine 3, makes the rotation of Knoop pressure head 5 to its long axis and with reference to base
Expected angle between directrix obtains the data such as load, the depth of single test point.
Third repeats second step until completing four impressions as shown in Figure 2, completes load, the depth of all test points
Etc. data acquisition, provide data supporting to calculate nonequiaxial stress.
The scheme of the present embodiment is accurately controlled between 5 long axis of Knoop pressure head and reference data axis by rotating electric machine 3
It is pressed into angle, it is reliable special with easy for installation, test compared with single pressure head component of fixed angle on existing commercial press fit instrument
Point improves testing efficiency to avoid angular error caused by manually adjusting.
Claims (6)
1. a kind of rotary press head component suitable for measuring nonequiaxial residual stress, which is characterized in that the rotary press head component
Including linear motor, pinboard, rotating electric machine, load transducer and Knoop pressure head, the linear motor is fixed on portable pressure
Enter on instrument, the pinboard is connect with linear motor drive rod；The rotating electric machine is fixedly connected with pinboard；The load passes
Sensor and rotating electric machine activity axis connection；The Knoop pressure head is connect with load transducer.
2. the rotary press head component as described in claim 1 for being suitable for measuring nonequiaxial residual stress, which is characterized in that described
Contain grating scale inside linear motor, for measuring compression distance.
3. the rotary press head component as claimed in claim 1 or 2 for being suitable for measuring nonequiaxial residual stress, it is characterised in that institute
Pinboard is stated to connect by screw thread with linear motor drive rod.
4. the rotary press head component as claimed in claim 1 or 2 for being suitable for measuring nonequiaxial residual stress, it is characterised in that institute
Rotating electric machine is stated to be connected by screw to pinboard.
5. the rotary press head component as claimed in claim 1 or 2 for being suitable for measuring nonequiaxial residual stress, it is characterised in that institute
It states load transducer and passes through screw thread and rotating electric machine activity axis connection.
6. the rotary press head component as claimed in claim 1 or 2 for being suitable for measuring nonequiaxial residual stress, it is characterised in that institute
Knoop pressure head is stated to connect by shaft coupling with load transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526364.6A CN110261021B (en) | 2019-06-18 | 2019-06-18 | Rotary pressure head assembly suitable for measuring anisometric residual stress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526364.6A CN110261021B (en) | 2019-06-18 | 2019-06-18 | Rotary pressure head assembly suitable for measuring anisometric residual stress |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110261021A true CN110261021A (en) | 2019-09-20 |
| CN110261021B CN110261021B (en) | 2024-04-12 |
Family
ID=67918954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910526364.6A Active CN110261021B (en) | 2019-06-18 | 2019-06-18 | Rotary pressure head assembly suitable for measuring anisometric residual stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110261021B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074852A (en) * | 2021-03-16 | 2021-07-06 | 蒋文春 | Portable residual stress testing device |
| CN113176026A (en) * | 2021-03-16 | 2021-07-27 | 蒋文春 | Device for measuring residual stress by indentation method and using method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030217591A1 (en) * | 2002-04-04 | 2003-11-27 | Dongil Kwon | Apparatus for determining residual stress, method for determining residual stress data using it, residual stress determining method using it and recording medium thereof |
| US20100198530A1 (en) * | 2007-02-06 | 2010-08-05 | Frontics, Inc. | Estimation of non-equibiaxial stress using instrumented indentation technique |
| KR20110057475A (en) * | 2009-11-24 | 2011-06-01 | (주)프론틱스 | Apparatus for indentation test involving micom and evaluating method of residual stress using the same |
| CN102288500A (en) * | 2011-05-09 | 2011-12-21 | 中国人民解放军装甲兵工程学院 | High-precision instrumented indenter and calculation method for indented-in-sample depth of diamond indenting head |
| CN105842095A (en) * | 2016-03-22 | 2016-08-10 | 中国科学院金属研究所 | Computer controlled metal material indentation load-displacement data measurement system |
| CN106238635A (en) * | 2015-06-10 | 2016-12-21 | 上海泛华紧固***有限公司 | Pipe external screw thread rolling and processing method, module and equipment and pipe external screw thread production line |
| CN210108573U (en) * | 2019-06-18 | 2020-02-21 | 浙江工业大学 | Rotary pressure head assembly suitable for measuring non-isometric residual stress |
-
2019
- 2019-06-18 CN CN201910526364.6A patent/CN110261021B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030217591A1 (en) * | 2002-04-04 | 2003-11-27 | Dongil Kwon | Apparatus for determining residual stress, method for determining residual stress data using it, residual stress determining method using it and recording medium thereof |
| US20100198530A1 (en) * | 2007-02-06 | 2010-08-05 | Frontics, Inc. | Estimation of non-equibiaxial stress using instrumented indentation technique |
| KR20110057475A (en) * | 2009-11-24 | 2011-06-01 | (주)프론틱스 | Apparatus for indentation test involving micom and evaluating method of residual stress using the same |
| CN102288500A (en) * | 2011-05-09 | 2011-12-21 | 中国人民解放军装甲兵工程学院 | High-precision instrumented indenter and calculation method for indented-in-sample depth of diamond indenting head |
| CN106238635A (en) * | 2015-06-10 | 2016-12-21 | 上海泛华紧固***有限公司 | Pipe external screw thread rolling and processing method, module and equipment and pipe external screw thread production line |
| CN105842095A (en) * | 2016-03-22 | 2016-08-10 | 中国科学院金属研究所 | Computer controlled metal material indentation load-displacement data measurement system |
| CN210108573U (en) * | 2019-06-18 | 2020-02-21 | 浙江工业大学 | Rotary pressure head assembly suitable for measuring non-isometric residual stress |
Non-Patent Citations (2)
| Title |
|---|
| YOUNG-CHEON KIM: "Modeling and Experimental Verification for Non-Equibiaxial Residual Stress Evaluated by Knoop Indentations", 《METALS AND MATERIALS INTERNATIONAL》 * |
| 周世友等: "显微硬度压痕法估算铝合金2A12残余应力", 《工业技术创新》, vol. 5, no. 4 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074852A (en) * | 2021-03-16 | 2021-07-06 | 蒋文春 | Portable residual stress testing device |
| CN113176026A (en) * | 2021-03-16 | 2021-07-27 | 蒋文春 | Device for measuring residual stress by indentation method and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110261021B (en) | 2024-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101995205B (en) | Elastic piece deformation degree testing device | |
| CN107860282A (en) | A kind of logical only integral detection means of screw thread | |
| CN110261021A (en) | A kind of rotary press head component suitable for measuring nonequiaxial residual stress | |
| CN110174322A (en) | A kind of concrete bouncing back instrument automatic positioning device for dotting and method | |
| CN110763110A (en) | Three-jaw internal diameter ruler automatic calibration device | |
| CN113670242A (en) | Measuring device and method for quickly measuring top dead center deviation of piston | |
| CN115184171B (en) | In-situ rock mass modulus measurement system and method | |
| CN213714194U (en) | Synchronous rotation error monitoring system for gear measuring tip of three-dimensional measuring head | |
| CN210108573U (en) | Rotary pressure head assembly suitable for measuring non-isometric residual stress | |
| CN109764846A (en) | A kind of bit diameter measuring device | |
| CN201575778U (en) | Detecting device for oscillating blade radius | |
| CN203869650U (en) | Bearing concentricity detection device | |
| CN213813455U (en) | Special ultrasonic detection tool for blade root of back arc surface of compressor moving blade | |
| CN212205865U (en) | Detection device for flexible gear | |
| CN204301764U (en) | The checkout gear of inductor induction range and distance in flat machine | |
| CN204461400U (en) | A kind of self-adaptation accurate positioning device detected for angle | |
| CN105157740B (en) | Camshaft phase sensor test device | |
| CN211179646U (en) | Power station steam turbine palm tree type blade root ultrasonic phased array detects scanning device | |
| CN210922487U (en) | Crankshaft journal contact area detection tool | |
| CN110261020A (en) | Suitable for measuring four pressure head components of nonequiaxial residual stress | |
| CN205748324U (en) | A kind of vertical rotation platform of pushing down detects device | |
| CN207423093U (en) | A kind of flatness checking device | |
| CN207991510U (en) | Concentricity detection apparatus | |
| CN207515685U (en) | A kind of commutator endoporus detection device | |
| CN207515760U (en) | A kind of commutator inner hole detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |