CN109490122A - Blade wear-resistant tester and its test method - Google Patents
Blade wear-resistant tester and its test method Download PDFInfo
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- CN109490122A CN109490122A CN201811084534.1A CN201811084534A CN109490122A CN 109490122 A CN109490122 A CN 109490122A CN 201811084534 A CN201811084534 A CN 201811084534A CN 109490122 A CN109490122 A CN 109490122A
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- diamant
- test specimen
- wear
- frame
- mass
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- 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
- G01N3/56—Investigating resistance to wear or abrasion
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0053—Cutting or drilling tools
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- 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 present invention relates to a kind of blade wear-resistant testers, frame including test specimen, at the top of test specimen and the movable pulley for being fixed on base of frame, test specimen fixes on the ground, and frame is equipped with pulse driver and motor, and pulse driver is connected with motor, motor is connected with movable pulley, diamant is fixedly connected on frame, the top of diamant is equipped with mass, constraint frame is equipped on the outside of mass, spring pad is equipped at the top of diamant, the side of diamant is equipped with distance measuring sensor.Test method includes the following steps: that (1) tests test specimen wear depths using blade wear-resistant tester, and distance measuring sensor measures scratch depth, and (2) obtain wear-resisting property characteristic value T ' according to acting science.The beneficial effects of the invention are as follows use distance measuring sensor and spring pad to improve accuracy and reliability when blade wear-resistant tester measures, new theory and calculation formula are provided for the wear-resistant property measurement of material, improves accurate reliability, science and the objectivity of wear resistance data measurement.
Description
Technical field
The present invention relates to a kind of wear-resistant tester and its test method more particularly to a kind of blade wear-resistant tester and its surveys
Method for testing belongs to material wear ability the field of test technology.
Background technique
Currently, both at home and abroad about material wear-resistant property test method mainly there are several types of:
(1), weight-loss method: chemical balance is used, is averaged；
(2), change in size stresses method: using slide calliper rule, micrometer, pneumatic transmitter, the instruments such as optical interdferometer；
(3), surface topography measuring method: using surface roughometer, and local measurement takes average numerical value；
(4), indentation method: using microscope and hardometer, carries out local measurement；
(5), isotope assay method: taking a picture, and uses counter.
The above method indicates wearability using the inverse of wear rate, i.e.,
In formula, w indicates the wear rate generated in unit time or unit distance；The wear-resisting property of ε expression material.Existing mill
The calculation formula of loss rate is
In formula, w is wear rate, dimension g/cm2；m1And m2The quality of material abrasion front and back is respectively indicated, dimension is
g；S indicates the frayed area of test specimen, dimension cm2。
Acting science is generated from 1980-2000 years, belongs to most basic theory and applied science.Acting science gives use
In the basic theories and basic skills of researching and solving various practical problems, wherein what is be most widely used is acting science about work
With with variation unity of opposites principle and unity of opposites equation group, the unity of opposites equation group of effect phenomenon:
In formula, A indicates actuating quantity；ATIndicate implementation dosage；T indicates the immutable property by agent, is solidity, is grinding
Rub proofness is when studying carefully material wear-resistant property；AFIndicate empty actuating quantity；E indicates the variable properties by agent, is virtuality.
The unity of opposites equation group of variation phenomenon:
In formula, B indicates variable quantity；BTIndicate real variable quantity；BFIndicate empty variable quantity.
Effect and variation relation equation:
A=B.
There are serious theoretical defects, reliability, the comparability of wear-resisting property parameter for current wear-resisting property testing research
Poor with accuracy, combination theory can make the method for abrasion test obtain theoretic improvement.
Summary of the invention
In view of the above problems, the present invention provides a kind of blade wear-resistant tester and its test methods.
The technical scheme to solve the above technical problems is that
A kind of blade wear-resistant tester, frame including test specimen, at the top of test specimen and the movement for being fixed on base of frame
Wheel, test specimen fix on the ground, and frame is equipped with pulse driver and motor, and pulse driver is connected with motor, motor and shifting
Driving wheel connects, and diamant is fixedly connected on frame, and the top of diamant is equipped with mass, and constraint frame is equipped on the outside of mass, golden
Spring pad is equipped at the top of rigid knife, the side of diamant is equipped with distance measuring sensor.
Preferably, test method includes the following steps: that (1) tests test specimen wear depths using blade wear-resistant tester, adopts
With the effects of intensity rose method, pulse driver generate moment drive power, driving power moment driving movable pulley fortune
It stopping working at once after row, movable pulley automatic running a distance under inertia control, mass driving diamant moves downward,
It is in close contact diamant and test specimen, diamant is delineated on test specimen, and measurement equal strength delineation acts on the indentation of lower test specimen
Depth, for spring pad for avoiding mass from generating hammer action to diamant, constraint frame is used to fetter the swing of mass, ranging
Sensor provides scratch depth by test the distance between diamant and mass bottom surface, and (2) are according to acting science, T+E=1
Obtain wear-resisting property characteristic value T ' i.e. solidity T value:
In formula, x is width of nick, as virtuality E value, and l is limit width of nick.
Compared with prior art, the beneficial effects of the present invention are: it is wear-resisting using distance measuring sensor and spring pad raising blade
Accuracy and reliability when tester measures, provide new theory and calculation formula for the wear-resistant property measurement of material, improve
Accurate reliability, science and the objectivity of wear resistance data measurement.
Detailed description of the invention
Fig. 1 is blade wear-resistant tester structural schematic diagram.
1, test specimen in the figure；2, frame；3, movable pulley；4, ground；5, pulse driver；6, motor；7, diamant；8,
Mass；9, frame is constrained；10, spring pad；11, distance measuring sensor.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment one
A kind of blade wear-resistant tester including test specimen 1, the frame 2 at the top of test specimen 1 and is fixed on 2 bottom of frame
Movable pulley 3, test specimen 1 are fixed on ground 4, and frame 2 is equipped with pulse driver 5 and motor 6, and pulse driver 5 and motor 6 connect
It connects, motor 6 and movable pulley 3 connect, and diamant 7 is fixedly connected on frame 2, and the top of diamant 7 is equipped with mass 8, mass 8
Outside is equipped with constraint frame 9, and spring pad 10 is equipped at the top of diamant 7, and the side of diamant 7 is equipped with distance measuring sensor 11.Test side
Method includes the following steps: that (1) tests test specimen wear depths using blade wear-resistant tester, the delineation side of intensity the effects of use
Method, pulse driver 5 generate moment driving power, and driving power stops working at once after moment driving movable pulley 3 is run, moves
The automatic running a distance under inertia control of driving wheel 3, mass 8 drive diamant 7 to move downward, make diamant 7 and test specimen 1
It is in close contact, diamant 7 is delineated on test specimen 1, and measurement equal strength delineation acts on lower 1 width of nick of test specimen, spring pad 10
For avoiding mass 8 from generating hammer action to diamant 7, constraint frame 9 is used to fetter the swing of mass 8, distance measuring sensor
11 provide scratch depth by test the distance between diamant 7 and 8 bottom surface of mass.8 weight of mass is 20 kilograms,
The moment driving force that pulsed drive generates is 30 kilograms.Test specimen 1 is the high carbon steel that Mohs' hardness is 7.5, measures x=0.25, l
=1, (2) are according to acting science, T+E=1
In formula, x is width of nick, as virtuality E value, and l is limit width of nick,
Obtaining wear-resisting property characteristic value T ' i.e. solidity T value is 75.
Embodiment two
With embodiment one the difference is that:
Test specimen 1 is the iron that Mohs' hardness is 4.5, measures x=0.55, l=1, (2) according to acting science, in T+E=1 formula, x
For width of nick, as virtuality E value, l is limit width of nick,
Obtaining wear-resisting property characteristic value T ' i.e. solidity T value is 45.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of blade wear-resistant tester, which is characterized in that including test specimen (1), the frame (2) being located at the top of test specimen (1) and consolidate
It is scheduled on the movable pulley (3) of frame (2) bottom, test specimen (1) is fixed on ground (4), and frame (2) is equipped with pulse driver (5)
With motor (6), pulse driver (5) and motor (6) connection, motor (6) and movable pulley (3) connection, frame are fixedly connected on (2)
The top of diamant (7), diamant (7) is equipped with mass (8), and constraint frame (9), diamant (7) top are equipped on the outside of mass (8)
Portion is equipped with spring pad (10), and the side of diamant (7) is equipped with distance measuring sensor (11).
2. the test method of blade wear-resistant tester according to claim 1, which comprises the steps of: (1)
Test specimen (1) wear depths are tested using blade wear-resistant tester, the rose method of intensity, pulse driver (5) the effects of use
Moment driving power is generated, driving power stops working at once after moment driving movable pulley (3) operation, and movable pulley (3) is used
Property control lower automatic running a distance, mass (8) driving diamant (7) moves downward, and makes diamant (7) and test specimen (1)
It is in close contact, diamant (7) is delineated on test specimen (1), and measurement equal strength delineation acts on the width of nick of lower test specimen, spring
For pad (10) for avoiding mass (8) from generating hammer action to diamant (7), constraint frame (9) is used to fetter the pendulum of mass (8)
Dynamic, distance measuring sensor (11) provides scratch depth by test the distance between diamant (7) and mass (8) bottom surface, (2)
According to acting science, T+E=1 obtains wear-resisting property characteristic value T ' i.e. solidity T value:
In formula, x is width of nick, as virtuality E value, and l is limit width of nick.
3. the test method of blade wear-resistant tester according to claim 2, it is characterised in that: test specimen (1) is that Mohs is hard
The iron that the high carbon steel or Mohs' hardness that degree is 7.5 are 4.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084534.1A CN109490122A (en) | 2018-09-18 | 2018-09-18 | Blade wear-resistant tester and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084534.1A CN109490122A (en) | 2018-09-18 | 2018-09-18 | Blade wear-resistant tester and its test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109490122A true CN109490122A (en) | 2019-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811084534.1A Withdrawn CN109490122A (en) | 2018-09-18 | 2018-09-18 | Blade wear-resistant tester and its test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109490122A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883790A (en) * | 2019-03-25 | 2019-06-14 | 中国飞机强度研究所 | A kind of scratch introducing device |
| CN110646313A (en) * | 2019-11-04 | 2020-01-03 | 郑州大学 | Self-propelled portable scratch instrument for online detection of in-service materials |
-
2018
- 2018-09-18 CN CN201811084534.1A patent/CN109490122A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883790A (en) * | 2019-03-25 | 2019-06-14 | 中国飞机强度研究所 | A kind of scratch introducing device |
| CN110646313A (en) * | 2019-11-04 | 2020-01-03 | 郑州大学 | Self-propelled portable scratch instrument for online detection of in-service materials |
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Application publication date: 20190319 |
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| WW01 | Invention patent application withdrawn after publication |