CN1425908A - Automatic test system for material adhesion and friction properties - Google Patents
Automatic test system for material adhesion and friction properties Download PDFInfo
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- CN1425908A CN1425908A CN03112623A CN03112623A CN1425908A CN 1425908 A CN1425908 A CN 1425908A CN 03112623 A CN03112623 A CN 03112623A CN 03112623 A CN03112623 A CN 03112623A CN 1425908 A CN1425908 A CN 1425908A
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- material adhesion
- stepper motor
- motor
- test system
- slidable panels
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 title claims abstract description 10
- 239000011888 foil Substances 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 3
- 230000009347 mechanical transmission Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000010062 adhesion mechanism Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002977 biomimetic material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The automatic test system for material adhesion and friction performance includes mechanical transmission dynamometric unit, signal amplifier, data collecting card, computer and driver unit connected successively to constitute one closed-loop system. The present invention can test two dimensional parameters of material adhesion and friction performance autoamtically under micro load of micro-Newton level. The system is simple and practical, and can collect and store tested data, display and print test curve, and perform necessary data processing.
Description
Technical field
Involved in the present invention is a kind of material adhesion and frictional behaviour Auto-Test System.
Background technology
At occurring in nature, people are common to creep on smooth surface fast to gecko, even can hang upside down on the plate of blooming.This has brought enlightenment for the design of robot bionic vola.How do they contact with body surface? come, scientist has got rid of friction force, suction, electrostatic attraction equally likely possibility by experiment more.Studies show that now gecko is kind to contact with body surface with intermolecular interaction.Which kind of role adhesion between two surfaces and the friction force when relative motion trend is arranged play the part of in the working mechanism of gecko vola.Are they how to utilize small contact method to produce tangent direction friction power to adhesion to realize apparent motion? this development to biomimetic material has certain directive significance.
At present domestic-developed can test material the adhesion and the proving installation of frictional behaviour also rare, and install hugely, heavy, uneconomical, can only test the one dimension parameter under the big load.
Summary of the invention
The objective of the invention is based on the adhesion mechanism of gecko vola and Bionic Design provide a kind of can be under small load (MN level), test material adheres to the two-dimentional test macro with frictional behaviour automatically.Native system comprises successively and is connected in signal amplifier by the mechanical drive device for measuring force, is connected in data collecting card, is connected in computing machine, is connected in drive unit and is connected in the mechanical drive device for measuring force again and forms a closed loop side force system.Wherein the mechanical drive device for measuring force is installed on the fixed support by motor support plate to stepper motor by Y, this machine shaft is connected in Y to drive screw, Y to the plate muscle of drive screw by having internal thread hole be fixed in fixed support on base plate on Y link to each other to slidable panels, X can cross motor support plate to stepper motor and be fixed in Y on slidable panels, X is connected in gear or the screw rod that is meshed with tooth bar to machine shaft, tooth bar is installed Y by X in the groove of slidable panels lower end to slider bar, one end of semi-girder force measuring machine is installed in X on slider bar, and foil gauge is posted on two orthogonal surfaces on semi-girder respectively.
Data collecting card comprises successively being makeed an uproar to be connected in the simulation multicircuit switch by low-pass filter follows impact damper and is connected in the programme-controlled gain adjuster and is connected in sampling/retainer and is connected in the integrated package (employing commercialization production) that A/D converter is formed.
Description of drawings
Fig. 1 is material adhesion and frictional behaviour Auto-Test System composition frame chart.
Fig. 2 is that the mechanical drive device for measuring force is formed synoptic diagram.
Fig. 3 is that synoptic diagram is looked on the right side of Fig. 2.
Fig. 4 is a semi-girder force measuring machine synoptic diagram.
Fig. 5 is a program flow chart of the present invention.
The medium and small block diagram label of Fig. 1 title: 1, mechanical drive device for measuring force, 2, signal amplifier, 3, data collecting card, 4, computing machine, 5, drive unit.
Label title among Fig. 2: 6, Y is to stepper motor, and 7, fixed support, 8, X is to stepper motor, 9, motor support plate, 10, X is to slider bar, 11, base plate, 12, sample, 13, county's arm beam force measuring machine, 14, Y is to slidable panels, 22, sample closes
Label title among Fig. 3: 15, motor support plate, 16, Y is to drive screw, 17, have a plate muscle of internal thread hole, 18, tooth bar, 19, gear, other label title is consistent with Fig. 2.
Label title among Fig. 4: 20 and 21, foil gauge, 12, go up sample.
Symbol description among Fig. 5: X
V---directions X travelling speed, Y
V---Y direction travelling speed, F
N---positive normal pressure limit at random, F
a---negative at random normal pressure scope, N
C---cycle index.
Embodiment
Narrate the specific embodiment of the present invention with reference to the accompanying drawings, by accompanying drawing as can be known, concrete composition of the present invention is, be connected in signal amplifier 2 by mechanical drive device for measuring force 1 successively and be connected in data collecting card 3 and be connected in computing machine 4 and be connected in drive unit 5 and link to each other with mechanical drive device for measuring force 1 again, thereby constitute a closed loop system.Wherein mechanical drive device for measuring force 1 is extremely shown in Figure 4 as Fig. 2, Y is installed on the fixed support 7 by motor support plate 15 to stepper motor 6, the rotating shaft of this motor links to each other to drive screw 16 with Y, Y is installed in the Y that is fixed on fixed support 7 and the base plate 11 to drive screw 16 on slidable panels 14 by the plate muscle 17 with internal thread hole, X is installed in Y to stepper motor 8 on slidable panels 14 by motor support plate 9, X is connected in the gear 19 that is meshed with tooth bar 18 to the rotating shaft of stepper motor, tooth bar 18 is installed in Y by X in the groove of slidable panels 14 lower ends to slider bar 10, one end of semi-girder force measuring machine 13 is installed in X on slider bar 10, the other end is that tail end links to each other with sample 12, and two orthogonal surfaces on semi-girder are posted foil gauge 20 and 21 respectively.
The course of work is, friction force of being tested by mechanism driving device for measuring force 1 and clinging power be the foil gauge 20 and 21 generation strain signals by separately respectively, be input to signal amplifier 2, change small signal simulation voltage into through dynamic strain indicator 2, transfer digital voltage signal to by data collecting card 3 again, transfer to Computer Processing.The course of work is by computer control, software adopts the visualc++ establishment, realize visual guidance panel, constitute virtual instrument,, at first experiment method is selected with man-machine interaction mode, corresponding experiment parameter is set again, the starter motor drive unit is tested then, carries out the collection and the storage of test data simultaneously, in order to the analysis and the processing in later stage.Native system can carry out the test of three kinds of functions: the clinging power test of single vertical direction, the friction testing of single horizontal direction and the test of clinging power in the two dimensional motion and friction force.Program flow diagram as shown in Figure 5.
Mechanism driving device for measuring force 1 is realized the motion of vertical and horizontal both direction, goes up sample in the experiment and acts on play applying and controlling of sample normal pressure to reach, and the test request of the tangential force when going up sample with respect to following sample sideway movement.
Y is to motion: be kind to be connected in the rotating shaft of Y to stepper motor 6 with Y to drive screw 16, its Y to drive screw 16 by being installed on the plate muscle 17 with internal thread hole of Y on slidable panels 14, thereby drive Y to slidable panels 14 with respect to Y moving up and down to drive screw 16.
X is to motion: be that kind of usefulness is loaded on the gear 19 of X in stepper motor 8 rotating shafts and is meshed with being fixed in the tooth bar 18 of X on slider bar 10, by the relative motion of wheel and rack, drive and be installed on the X of Y on slidable panels 14 to slider bar 10 side-to-side movements.(or another program adopts the screw thread transmission)
Stepper motor adopts 42BYG permanent magnet induction formula stepper motor.Stepper motor can adopt manually and two kinds of control of computing machine dual mode drives.Manually be used to test the preceding adjustment of going up sample and following sample mutual alignment of beginning.
The needed control signal of the drive unit of stepper motor produces by computing machine, and control signal comprises: driving pulse, direction control, complete/half-angle control.Utilize computing machine and on external output data line can produce very easily.
Claims (2)
1, a kind of material adhesion and frictional behaviour Auto-Test System is characterized in that successively being connected in signal amplifier (2) by mechanical drive device for measuring force (1) is connected in data collecting card (3) and is connected in computing machine (4) and is connected in and links to each other with mechanism driving device for measuring force (1) behind the drive unit (5) again and constitute a closed-loop system.
2, according to described material adhesion of claim 1 and frictional behaviour Auto-Test System, the formation that it is characterized in that mechanical drive device for measuring force (1) is that Y is installed on the fixed support (7) by motor support plate (15) to stepper motor (6), the rotating shaft of this motor links to each other to drive screw (16) with Y, this Y is installed in the Y that is fixed on fixed support (7) and the base plate (11) to drive screw (16) on slidable panels (14) by the plate muscle (17) with internal thread hole, X is installed in Y to stepper motor (8) on slidable panels (14) by motor support plate (9), X is connected in gear (19) or the drive screw that is meshed with tooth bar (18) to the rotating shaft of stepper motor, tooth bar (18) is installed in Y by X in the groove of slidable panels (14) lower end to sliding system (10), one end of semi-girder force measuring machine (13) is installed in X on slider bar (10), the other end links to each other with sample (12), and there are foil gauge (20) and (21) in two orthogonal surfaces on semi-girder towel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03112623A CN1425908A (en) | 2003-01-07 | 2003-01-07 | Automatic test system for material adhesion and friction properties |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03112623A CN1425908A (en) | 2003-01-07 | 2003-01-07 | Automatic test system for material adhesion and friction properties |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1425908A true CN1425908A (en) | 2003-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03112623A Pending CN1425908A (en) | 2003-01-07 | 2003-01-07 | Automatic test system for material adhesion and friction properties |
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| CN (1) | CN1425908A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300568C (en) * | 2005-01-28 | 2007-02-14 | 任重远 | Automatic monitoring detection instrument for adhesive force |
| CN101008606B (en) * | 2007-01-26 | 2010-10-06 | 华南理工大学 | Device for measuring real contact area and viscous effect of contact surface and measuring method thereof |
| CN102176201A (en) * | 2011-02-15 | 2011-09-07 | 华东理工大学 | Software system for soft matter material surface adhesion energy measuring meter and testing method thereof |
| CN102590079A (en) * | 2012-03-05 | 2012-07-18 | 长安大学 | Device for testing sliding layer friction coefficient of concrete pavement |
| CN103063530A (en) * | 2012-08-16 | 2013-04-24 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
| CN105675059A (en) * | 2016-03-01 | 2016-06-15 | 中国科学院合肥物质科学研究院 | Multifunctional bionic microstructure surface testing apparatus |
-
2003
- 2003-01-07 CN CN03112623A patent/CN1425908A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300568C (en) * | 2005-01-28 | 2007-02-14 | 任重远 | Automatic monitoring detection instrument for adhesive force |
| CN101008606B (en) * | 2007-01-26 | 2010-10-06 | 华南理工大学 | Device for measuring real contact area and viscous effect of contact surface and measuring method thereof |
| CN102176201A (en) * | 2011-02-15 | 2011-09-07 | 华东理工大学 | Software system for soft matter material surface adhesion energy measuring meter and testing method thereof |
| CN102590079A (en) * | 2012-03-05 | 2012-07-18 | 长安大学 | Device for testing sliding layer friction coefficient of concrete pavement |
| CN103063530A (en) * | 2012-08-16 | 2013-04-24 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
| CN103063530B (en) * | 2012-08-16 | 2015-03-25 | 南京航空航天大学 | Micro-movement friction and abrasion testing machine |
| CN105675059A (en) * | 2016-03-01 | 2016-06-15 | 中国科学院合肥物质科学研究院 | Multifunctional bionic microstructure surface testing apparatus |
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