CN201697847U - Small-load surface scratch tester - Google Patents
Small-load surface scratch tester Download PDFInfo
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- CN201697847U CN201697847U CN2010201992660U CN201020199266U CN201697847U CN 201697847 U CN201697847 U CN 201697847U CN 2010201992660 U CN2010201992660 U CN 2010201992660U CN 201020199266 U CN201020199266 U CN 201020199266U CN 201697847 U CN201697847 U CN 201697847U
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Abstract
The utility model relates to the field of surface mechanical property test of carbon-base films, and particularly discloses a small-load surface scratch tester which is characterized in that a surface profilometer (9), a testboard (1), a unidimensional automatic displacement table (2) arranged on the testboard (1), a sample clamping table (3) fixed on the unidimensional automatic displacement table (2), and a first three dimensional manual translation stage (8) and a second three dimensional manual translation stage (4) arranged on two sides of the unidimensional automatic displacement table (2) and on the testboard (1) are included, wherein the first three dimensional manual translation stage (8) is used for clamping the surface profilometer, and the second three dimensional manual translation stage (4) is used for clamping a scratch device (5).
Description
Technical field
The utility model relates to the surperficial measuring mechanical property field of carbon-base film, more particularly, relates to a kind of small load surface scratch testing device.
Background technology
In recent years; the nano thin-film that with the carbon-base film is representative is with mechanical propertys such as its excellent high rigidity, low-friction coefficients; as desirable wear-resistant protection coating and kollag, obtain to use widely at machinery, electronics, magnetic medium protection and medical domain, caused researcher's concern.
At present, mechanical property evaluation method to carbon-base film mainly contains big load surface scratch instrument, AFM nanometer cut device, and several different methods such as frictional wear experiment, though these analytical approachs can provide the performance evaluation of tested material relatively accurately, but often exist consuming time more, cost an arm and a leg, shortcomings such as method of testing complexity, when seeking best film preparation parameter, can't satisfy quick evaluation requirement, particularly in the test to the film of high hardness of hundreds of nanometers thickness, use big load surface scratch instrument that directly is pressed into the film imposed load and the AFM nanometer scratching instrument that passes through the electromagnetic induction imposed load, because the restriction of its load range, and the restriction of frictional wear experiment test duration, all can't realize test fast and accurately to mechanical property with carbon-base film.
The utility model content
For these reasons, the purpose of this utility model is to propose a kind of little load (10mg-20g) surface scratch testing device, it can come control loaded by the size of the delineation power on the ruled surface by regulating sensor inner spring rigidity and predeformation, regulates delineation speed by regulating the automatic displacement platform of one dimension; Can measure scratch depth by matching surface pattern instrument, realize testing rapidly and accurately by the cut situation of ruled surface.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of small load surface scratch testing device, it is characterized in that, comprise surface topographic apparatus fo, testing table, be arranged on the automatic displacement platform of one dimension on the testing table, be fixed on the sample holder platform on the automatic displacement platform of one dimension, and be arranged on the testing table and be positioned at the first three-dimensional manual translation platform that is used for clamping surface pattern instrument of the automatic displacement platform of one dimension both sides and be used for the second three-dimensional manual translation platform of clamping delineation device; Described delineation device comprises the metal straight beam, be vertically fixed on the delineation head of metal straight beam front end, two ends are separately fixed at the sheet metal of metal straight beam postmedian, stick on being used on the sheet metal measure the delineation normal pressure resistance strain gage, be fixed on the fixture of sheet metal front portion, the rear end of the fixture fixedly connected second three-dimensional manual translation platform, the front portion of fixture is provided with the spring and the screw of roof pressure metal straight beam.
Further improvement of the utility model is with characteristics: the second three-dimensional manual translation platform is fixedlyed connected by flexible attachment components in the rear end of described fixture, described flexible attachment components comprises metal base, one end is embedded with the plastic links joint of spring leaf, and transition plug-in unit and metallic plug; The other end of described plastic links joint connect successively the transition plug-in unit of pegging graft and the rear end of metallic plug and described fixture; One end of described metal base and the second three-dimensional manual translation platform are fixed, and the other end is fixedlyed connected with described spring leaf.
Described fixture is provided with the metallic cylinder that is used to protect metal straight beam postmedian and sheet metal.
Described fixture is provided with the pullover of the thin sleeve pipe that is used to protect metal straight beam front portion and protection delineation head gold, describedly pulloverly is bonded in thin sleeve pipe front end by glue.
Described resistance strain gage inserts a computing machine by data collecting card, the automatic displacement platform of described computer controlled one-dimensional.
Described delineation head is a diamond point.
The utility model small load surface scratch testing device, its outstanding beneficial effect is as follows: can be by regulating spring and screw, the pressure the when initial deformation of spring changes delineation between diamond point and the tested surface; Can be by regulating the second three-dimensional manual displacement platform, make contact pressure between diamond point and the tested surface be fixed on the value of system design, operator and experimental situation is minimum to being that the influence of experimental result drops to, and the existence of flexible attachment components simultaneously can prevent the tested surface of pullover partial destruction; Can by in the resistance strain gage on the sheet metal record delineation process between diamond point and tested surface the subtle change of pressure, thereby obtain the roughly situation of tested surface scratch; The measurement that can carry out the tested surface scratch degree of depth by surface topographic apparatus fo obtains the detailed situation of tested wearing and tearing, dopes the life-span of tested sample, tested sample is made accurately estimated; Can set different delineation speed by the to-and-fro movement parameter of the automatic displacement platform of control one dimension; The utility model adopts the measurement data of computer acquisition resistance strain gage and the to-and-fro movement parameter of the automatic displacement platform of control control one dimension simultaneously.Therefore, device of the present utility model can faster test out the wear-out life of tested sample, adapt to realize estimating fast tested surface property requirement, and cost is lower.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The structural representation of Fig. 1 a kind of small load surface scratch testing device of the present utility model; Fig. 2 is the test platform structure synoptic diagram that the automatic translation stage of one dimension is installed; Fig. 3 is the structural representation of sample holder platform; Fig. 4 is the explosive view of delineation device part; Fig. 5 is the flexible fixture structural representation; Among the figure: 1, be testing table; 2, the automatic displacement platform of one dimension; 201, stepper motor; 202, pedestal; 203, screw mandrel; 204, mobile platform; 3, sample holder platform; 301, substrate; 302 portable plates; 4, the second three-dimensional manual displacement platform; 5, delineation device; 501, fixture; 502, metal straight beam; 503, sheet metal; 504, resistance strain gage; 505, spring; 506, screw; 507, thin sleeve pipe; 508, delineation head; 509, pullover; 510, metallic cylinder; 511, metallic plug; 512, transition plug-in unit; 6, flexible fixture; 601, metal base; 602, plastic links joint; 603, spring leaf; 7, rigidity anchor clamps; 8, the first three-dimensional manual displacement platform; 9, surface topography instrument.
Specific embodiments
With reference to Fig. 1, be a kind of small load surface scratch testing device of the present utility model, mainly comprise: testing table 1, the automatic displacement platform 2 of one dimension, sample holder platform 3, the second three-dimensional manual displacement platform 4, delineation device 5, flexible fixture 6, the rigidity anchor clamps 7 of clamping flexible fixture 6, the first three-dimensional manual displacement platform 8, surface topography instrument 9.The automatic displacement platform 1 of one dimension is arranged on the testing table, fixing sample holder platform 3 on the automatic displacement platform of one dimension; The first three-dimensional manual translation platform 8 that is used for clamping surface pattern instrument 9 that is arranged on the testing table 1 lays respectively at the automatic displacement platform of one dimension 2 both sides with the second three-dimensional manual translation platform 4 that is used for clamping delineation device 5.The second three-dimensional manual translation platform 4 concrete fixedly rigidity anchor clamps 7 that pass through, rigidity anchor clamps 7 clamping flexible fixtures 6, flexible fixture 6 connect delineation devices 5 to be realized.
With reference to Fig. 2, the automatic displacement platform 2 of one dimension mainly comprises: be fixed on the stepper motor 201 of pedestal 202, with 201 screw mandrels that are connected 203 of stepper motor, with the mobile platform 204 of screw mandrel 203 by being threaded.Testing table 1 surface offers and is used for the straight-line guide groove of moving platform 204 one dimensions, and therefore, stepper motor 201 rotates by screw mandrel 203, can drive mobile platform 204 rectilinear motions.
In conjunction with Fig. 3, sample holder platform 3 comprises by being bolted to the substrate 301 on the automatic displacement platform 2 of one dimension, and the portable plate 302 of substrate 301 adjusted positions again.Sample is placed on 302 of substrate 301 and portable plates, and is by regulating portable plate 302, that sample is fixing in place.
With reference to Fig. 4, delineation device 5 mainly comprises: fixture 501, metal straight beam 502, be vertically fixed on the delineation 508 of metal straight beam 502 front ends, two ends are separately fixed at the sheet metal 503 of metal straight beam 502 postmedians, stick on being used on the sheet metal 503 measure the delineation 508 normal pressure resistance strain gage 504, the front portion of fixture 501 is provided with the spring 505 and the screw 506 of roof pressure metal straight beam 502.Sheet metal 503 front portions are fixed on fixture 501, the rear end of the fixture 501 fixedly connected second three-dimensional manual translation platform 4.
In conjunction with Fig. 1,4,5, the rear end of fixture 501 is specifically by flexible attachment components, rigidity anchor clamps 7 fixedly connected second three-dimensional manual translation platforms 4.Flexible attachment components comprises: be embedded with the flexible fixture that the plastic links joint 602 of spring leaf 603 is formed by metal base 601, one ends, and form the connection plug-in unit by transition plug-in unit 512, plastic plug 511.The other end of plastic links joint connect successively the transition plug-in unit 512 of pegging graft and the rear end of metallic plug 511 and described fixture 501; One end of metal base 601 is fixedlyed connected with spring leaf 603, and the other end is fixed on an end of rigidity anchor clamps 7, and the other end of rigidity anchor clamps 7 and the second three-dimensional manual translation platform 4 are fixed.
The signal of foil gauge 504 inserts computing machine by data collecting card, real time record; The stepper motor 201 of the automatic displacement platform 2 of real time computer control one dimension is realized delineation specimen surface automatically; Surface topographic apparatus fo survey record scratch depth.
Adopt the process of the test of above-mentioned small load surface scratch testing device to be described as follows: before (1) sample fixing test, sample is placed on the sample holder platform 3, by the portable plate of regulating on the sample holder platform 3 303 that sample is fixing in position.
(2) before the load speed setting is tested, set the needed load of delineating in the test by spring 505 and the screw 506 of regulating delineation device biography 5.Signal with resistance strain gage 504 inserts computing machine by data acquisition board simultaneously, and sets the stepper motor rotating speed, and suitable delineation speed is set.
(2) delineating test just has been pressed onto on the tested surface pullover 509 of delineation biography device 5 by regulating the second three-dimensional manually transfer table 4, start back and forth displacement platform motion automatically of one dimension, diamond point begins to delineate tested surface, is recorded in the delineation process small variation of pressure between diamond point and tested surface simultaneously.Judge the abrasion condition on tested surface according to pressure changing.
(3) the scratch depth measuring and adjusting second three-dimensional manually transfer table 4 is removed the delineation device, regulate the first three-dimensional manually transfer table 8 to correct position, make surface topographic apparatus fo can scan the delineation vestige, note simultaneously making the cut direction vertical with pattern instrument direction of scanning, quantitatively judge tested surface abrasion situation according to pattern instrument scanning result, thereby finish once delineation test.
(4) duplicate measurements is regulated the one or two three-dimensional manually transfer table 8 and is removed surface topographic apparatus fo, and the sample that more renews or change the delineation position of samples by regulating the second three-dimensional manual displacement platform 4 is finished repeatedly and measured.
Claims (6)
1. small load surface scratch testing device, it is characterized in that, comprise surface topographic apparatus fo (8), testing table (1), be arranged on the automatic displacement platform of one dimension (2) on the testing table (1), be fixed on the sample holder platform (3) on the automatic displacement platform of one dimension (2), and be arranged on testing table (1) and go up and be positioned at the first three-dimensional manual translation platform (8) that is used for clamping surface pattern instrument of the automatic displacement platform of one dimension (2) both sides and be used for the second three-dimensional manual translation platform (4) that device (5) is delineated in clamping; Described delineation device (5) comprises metal straight beam (502), be vertically fixed on the delineation head (508) of metal straight beam (502) front end, two ends are separately fixed at the sheet metal (503) of metal straight beam (502) postmedian, stick on being used on the sheet metal (503) measure the delineation normal pressure resistance strain gage (504), be fixed on the anterior fixture (501) of sheet metal (503), the rear end fixedly connected second three-dimensional manual translation platform (4) of fixture (501), the front portion of fixture (501) is provided with the spring (505) and the screw (506) of roof pressure metal straight beam.
2. small load surface scratch testing device according to claim 1, it is characterized in that, the rear end of described fixture (501) is by the flexible attachment components fixedly connected second three-dimensional manual translation platform (4), described flexible attachment components comprises metal base (601), one end is embedded with the plastic links joint (602) of spring leaf (603), and transition plug-in unit (512) and metallic plug (511); The other end of described plastic links joint (602) connect successively the transition plug-in unit (512) of pegging graft and the rear end of metallic plug (511) and described fixture (501); One end of described metal base (601) and the second three-dimensional manual translation platform (4) are fixing, and the other end is fixedlyed connected with described spring leaf (603).
3. small load surface scratch testing device according to claim 1 is characterized in that, described fixture (501) is provided with the metallic cylinder (510) that is used to protect metal straight beam (502) postmedian and sheet metal (503).
4. small load surface scratch testing device according to claim 1; it is characterized in that; described fixture is provided with pullover (509) that are used to protect anterior thin sleeve pipe (507) of metal straight beam (502) and protection delineation head (508), and described pullover (509) are bonded in thin sleeve pipe (507) front end by glue.
5. small load surface scratch testing device according to claim 1 is characterized in that, described resistance strain gage (504) inserts a computing machine by data collecting card, the automatic displacement platform of described computer controlled one-dimensional (2).
6. small load surface scratch testing device according to claim 1 is characterized in that, described delineation head (508) is a diamond point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201992660U CN201697847U (en) | 2010-05-21 | 2010-05-21 | Small-load surface scratch tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201992660U CN201697847U (en) | 2010-05-21 | 2010-05-21 | Small-load surface scratch tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697847U true CN201697847U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201992660U Expired - Lifetime CN201697847U (en) | 2010-05-21 | 2010-05-21 | Small-load surface scratch tester |
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| CN (1) | CN201697847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825542A (en) * | 2010-05-21 | 2010-09-08 | 西安交通大学 | Small load surface scratch testing device |
| CN105651447A (en) * | 2016-03-28 | 2016-06-08 | 西南交通大学 | Bi-directional force measuring device for scratch test instrument |
-
2010
- 2010-05-21 CN CN2010201992660U patent/CN201697847U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825542A (en) * | 2010-05-21 | 2010-09-08 | 西安交通大学 | Small load surface scratch testing device |
| CN101825542B (en) * | 2010-05-21 | 2011-11-16 | 西安交通大学 | Small load surface scratch testing device |
| CN105651447A (en) * | 2016-03-28 | 2016-06-08 | 西南交通大学 | Bi-directional force measuring device for scratch test instrument |
| CN105651447B (en) * | 2016-03-28 | 2018-06-19 | 西南交通大学 | It is a kind of for scratch test instrument two to force measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110105 Effective date of abandoning: 20111116 |