CN108279171A - Cold bending test method - Google Patents
Cold bending test method Download PDFInfo
- Publication number
- CN108279171A CN108279171A CN201710005944.1A CN201710005944A CN108279171A CN 108279171 A CN108279171 A CN 108279171A CN 201710005944 A CN201710005944 A CN 201710005944A CN 108279171 A CN108279171 A CN 108279171A
- Authority
- CN
- China
- Prior art keywords
- bending
- cold
- clod wash
- mold base
- pressure head
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 title claims abstract description 52
- 238000010998 test method Methods 0.000 title claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a cold bending test method, which comprises the steps of manufacturing a cold bending die with a specified angle; during cold bending test, the die base is placed on a working platform of a bending tester, a cold bending pressure head is arranged at the lower end of a piston of the bending tester, the bending tester is started, and the piston of the bending tester moves downwards to enable the cold bending pressure head to be completely coincided with a V-shaped groove of the die base; clamping the mold base by using two magnetic force seats, rotating a magnetic force seat switch to enable the mold base to be adsorbed on a bending tester workbench, and finishing centering of the cold bending pressure head and the mold base; and (3) placing the cold-bending sample on the upper surface of the die base in parallel, and pressing the cold-bending sample into the V-shaped groove of the die base by using the cold-bending pressure head so that the cold-bending sample reaches a specified angle. The invention solves the problem that the bending test with the bending core angle less than 180 degrees can only be judged by naked eyes and cannot be accurately controlled when the cold bending test with the specified angle is carried out. The cold bending die has the advantages of high automation degree, high efficiency, convenient operation and low labor intensity.
Description
Technical field
The present invention relates to inspection assay technique, more particularly to a kind of cold bending test methods.
Background technology
In the cold bending test for doing predetermined angular, the bending angle that flexual center angle is less than 180 degree can not be accurate for iron and steel enterprise at present
Really control, this just gives judgement cold bending experiment result to bring certain influence.
Invention content
It is easy to operate technical problem to be solved by the invention is to provide a kind of cold bending test method, make bend test knot
Fruit is more accurate.
To achieve the above object, the present invention is realized using following technical scheme：
A kind of cold bending test method, step include：
1) clod wash mold, including clod wash pressure head and mold base are made, mold base is equipped with V-groove, the angle of V-groove
For flexual center angle angle as defined in cold bending test, the V-groove of clod wash pressure head lower end shape and mold base matches, V-groove bottom
Equipped with rectangular clod wash sample crack propagation slot；
2) when cold bending test, mold base is placed on Apparatus for Bending at low-temp workbench, clod wash pressure head is mounted on bending
The piston of testing machine starts Apparatus for Bending at low-temp, and Apparatus for Bending at low-temp piston moves down, and makes clod wash pressure head and mold base V
Shape slot is completely superposed；
3) mold base is clamped with two magnet bases, rotation magnet base switch makes mold base be adsorbed in Apparatus for Bending at low-temp work
Make on platform, completes the centering of clod wash pressure head and mold base；
4) clod wash sample is placed in parallel mold base upper surface, clod wash pressure head is by clod wash sample press-in die pedestal V-arrangement
Slot makes clod wash sample reach predetermined angular.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the present invention solves the cold bending test for doing predetermined angular, the bend test of 180 degree is less than for flexual center angle, only
The problem of capable of visually judging, can not accurately controlling.Clod wash die automation degree is high, efficient, easy to operate, labor intensity
It is low.
2. clod wash sample reaches predetermined angular, clod wash bottom is for example cracked, along mold base crack propagation slot into
Row extension, does not damage the curved surface of clod wash sample, so not influencing the evaluation to inspection result.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：Clod wash pressure head 1, mold base 2, magnet base 3, the piston 4 of Apparatus for Bending at low-temp, workbench 5, clod wash sample 6,
Clod wash sample crack propagation slot 7.
Specific implementation mode
The specific implementation mode of the present invention is further illustrated below in conjunction with the accompanying drawings：
Such as Fig. 1, a kind of cold bending test method, including clod wash pressure head 1 and mold base 2, mold base 2 are equipped with V-groove,
The angle of V-groove is made by clod wash predetermined angular, and 1 lower end shape of clod wash pressure head and the V-groove of mold base 2 match.Mold
The V-groove bottom of pedestal 2 is equipped with rectangular clod wash sample crack propagation slot 7.There are magnet base 3 in 2 both sides of mold base.
Embodiment 1：
Clod wash provides that 90 ° of angle of flexual center cold bending test method, step include：
1) clod wash mold, including clod wash pressure head 1 and mold base 2 are made, mold base 2 is equipped with V-groove, V-groove
Angle is 90 °, and 1 lower end shape of clod wash pressure head and the V-groove of mold base 2 match；
2) when cold bending test, mold base 2 is placed on Apparatus for Bending at low-temp workbench 5, clod wash pressure head 1 is mounted on curved
4 lower end of piston of bent testing machine starts Apparatus for Bending at low-temp, and Apparatus for Bending at low-temp piston 4 moves down, and makes clod wash pressure head 1 and mold
Pedestal 2V shape slots are completely superposed；
3) mold base 2 is clamped with two magnet bases 3, the rotation switch of magnet base 3 makes mold base 2 be adsorbed in bend test
On machine worktable 5, the centering of clod wash pressure head 1 and mold base 2 is completed；
4) clod wash sample 6 is placed in parallel 2 upper surface of mold base, clod wash pressure head 1 is by 6 press-in die pedestal of clod wash sample
2V shape slots make clod wash sample 6 reach 90 ° of predetermined angulars, and clod wash bottom is for example cracked, along the crack propagation slot of mold base
It is extended.
Embodiment 2：
Clod wash provides that 45 ° of angle of flexual center cold bending test method, step include：
1) clod wash mold, including clod wash pressure head 1 and mold base 2 are made, mold base 2 is equipped with V-groove, V-groove
Angle is 45 °, and 1 lower end shape of clod wash pressure head and the V-groove of mold base 2 match；
2) when cold bending test, mold base 2 is placed on Apparatus for Bending at low-temp workbench 5, clod wash pressure head 1 is mounted on curved
4 lower end of piston of bent testing machine starts Apparatus for Bending at low-temp, and Apparatus for Bending at low-temp piston 4 moves down, and makes clod wash pressure head 1 and mold
Pedestal 2V shape slots are completely superposed；
3) mold base 2 is clamped with two magnet bases 3, the rotation switch of magnet base 3 makes mold base 2 be adsorbed in bend test
On machine worktable 5, the centering of clod wash pressure head 1 and mold base 2 is completed；
4) clod wash sample 6 is placed in parallel 2 upper surface of mold base, clod wash pressure head 1 is by 6 press-in die pedestal of clod wash sample
2V shape slots make clod wash sample 6 reach 45 ° of predetermined angulars, and clod wash bottom is for example cracked, along the crack propagation slot of mold base
It is extended.
Described above is only the basic principle of the present invention, is not imposed any restrictions to the present invention, every right according to the present invention
It carries out equivalent variations and modification, within the scope of the art of this patent protection scheme.
Claims (1)
1. a kind of cold bending test method, which is characterized in that step includes：
1) clod wash mold, including clod wash pressure head and mold base are made, mold base is equipped with V-groove, and the angle of V-groove is cold
The V-groove of the flexual center angle angle of curved test determination, clod wash pressure head lower end shape and mold base matches, and V-groove bottom is equipped with
Rectangular clod wash sample crack propagation slot；
2) when cold bending test, mold base is placed on Apparatus for Bending at low-temp workbench, clod wash pressure head is mounted on bend test
The piston of machine starts Apparatus for Bending at low-temp, and Apparatus for Bending at low-temp piston moves down, and makes clod wash pressure head and mold base V-shaped groove
It is completely superposed；
3) mold base is clamped with two magnet bases, rotation magnet base switch makes mold base be adsorbed in bend test machine worktable
On, complete the centering of clod wash pressure head and mold base；
4) clod wash sample is placed in parallel mold base upper surface, clod wash pressure head makes clod wash sample press-in die pedestal V-shaped groove
Clod wash sample reaches predetermined angular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005944.1A CN108279171A (en) | 2017-01-05 | 2017-01-05 | Cold bending test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005944.1A CN108279171A (en) | 2017-01-05 | 2017-01-05 | Cold bending test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108279171A true CN108279171A (en) | 2018-07-13 |
Family
ID=62800473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710005944.1A Pending CN108279171A (en) | 2017-01-05 | 2017-01-05 | Cold bending test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108279171A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857966A (en) * | 2021-01-15 | 2021-05-28 | 山东钢铁集团日照有限公司 | Automatic centering and testing method for secondary processing embrittlement sample |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780228U (en) * | 2010-07-21 | 2011-03-30 | 上海梅山钢铁股份有限公司 | Sheet bending test combined support |
| KR101326347B1 (en) * | 2011-11-30 | 2013-11-11 | 현대하이스코 주식회사 | V bending test device having enhanced reliability |
| CN104056881A (en) * | 2013-10-17 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Metal plate bending device |
| CN106066276A (en) * | 2016-06-21 | 2016-11-02 | 上海电气核电设备有限公司 | A kind of bending tool for nuclear power intercrystalline corrosion samples and using method |
-
2017
- 2017-01-05 CN CN201710005944.1A patent/CN108279171A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780228U (en) * | 2010-07-21 | 2011-03-30 | 上海梅山钢铁股份有限公司 | Sheet bending test combined support |
| KR101326347B1 (en) * | 2011-11-30 | 2013-11-11 | 현대하이스코 주식회사 | V bending test device having enhanced reliability |
| CN104056881A (en) * | 2013-10-17 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Metal plate bending device |
| CN106066276A (en) * | 2016-06-21 | 2016-11-02 | 上海电气核电设备有限公司 | A kind of bending tool for nuclear power intercrystalline corrosion samples and using method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857966A (en) * | 2021-01-15 | 2021-05-28 | 山东钢铁集团日照有限公司 | Automatic centering and testing method for secondary processing embrittlement sample |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105589036A (en) | Relay aging tester | |
| CN204818812U (en) | Hub anchor clamps | |
| CN108279171A (en) | Cold bending test method | |
| CN113639979B (en) | Detection tool and detection device for detecting performance of workpiece with hole | |
| CN203993225U (en) | Angle adjustable large mold processing and loading clamp platform | |
| CN204913520U (en) | Automatic burring device of automobile power generation machine rotor shaft | |
| CN113639978B (en) | Detection device for detecting performance of workpiece with hole and control method | |
| CN210181163U (en) | Novel wisdom household electrical appliances AI chip test device | |
| CN202571986U (en) | Automatic single-position tool manufacturing device circulation equipment for production line | |
| CN111238934B (en) | Metal test piece tensile mechanical property device and test method thereof | |
| CN204228538U (en) | A kind of three point bending test device for high speed tensile test machine | |
| CN204731096U (en) | A kind of pole type sample hardness test harness | |
| KR20160119545A (en) | Object Treatment Apparatus | |
| CN206065997U (en) | U-shaped workpiece face fixture for processing | |
| CN206311269U (en) | A kind of automatically testing machine | |
| CN205482753U (en) | Novel motor housing concentricity detects device | |
| CN203535072U (en) | A jig for measuring patch crystal electrical parameters | |
| CN204366451U (en) | Movable tapering centring sleeve fixture | |
| CN103743625B (en) | Quality detection device of square tube | |
| CN109732374B (en) | Tool for machining parts with multiple coaxial holes | |
| CN109047846A (en) | It is a kind of automatically to detect the device that repairs a die | |
| CN216694923U (en) | Comprehensive contour checking fixture for rapidly detecting three-side contour | |
| CN206832541U (en) | A kind of fixing device of machining center vertical crack semi-disc test specimen | |
| CN211728422U (en) | Movable disc molded lines face finish machining frock | |
| CN111060227B (en) | In-situ stress detection and repair integrated system |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180713 |
|
| RJ01 | Rejection of invention patent application after publication |