CN102323174B - Method for calibrating hardness indicating value of rubber hardness gauge and standard blocks - Google Patents
Method for calibrating hardness indicating value of rubber hardness gauge and standard blocks Download PDFInfo
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- CN102323174B CN102323174B CN 201110275611 CN201110275611A CN102323174B CN 102323174 B CN102323174 B CN 102323174B CN 201110275611 CN201110275611 CN 201110275611 CN 201110275611 A CN201110275611 A CN 201110275611A CN 102323174 B CN102323174 B CN 102323174B
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- 238000000034 method Methods 0.000 title abstract description 9
- 239000007769 metal material Substances 0.000 claims description 6
- 210000005056 cell body Anatomy 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 17
- 230000005489 elastic deformation Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000005483 Hooke's law Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The invention discloses a method for calibrating the hardness indicating value of a rubber hardness gauge and standard blocks, relating to a metering calibration technology. The calibrating method comprises the following step of: calibrating the standard blocks for the hardness indicating value of the rubber hardness gauge, wherein the standard blocks for the hardness indicating value of the rubber hardness gauge comprise an A-type standard block group, a C-type standard block group, a D-type standard block group and an F-type standard block group; the standard block group of each type comprises at least six individual standard blocks of different hardness values; each individual standard block comprises a metal inverted long groove body; a groove is formed at the groove bottom; or each individual standard block comprises a base block, an elastic sheet and a cover plate; the elastic sheet is arranged at the convex cutting edge position of the base block in the form of flat plate; and the profile body of a cover body is covered on the base block in cooperation with the base block, and is contacted with the elastic sheet. The calibrating method is quick, and the artificial errors are fewer; and the standard blocks have skillful and simple structures, easily-stored calibration value and low cost, are convenient to manufacture and carry, are quick for grasping relevant calibrating technologies and are convenient for plant inspection.
Description
Technical field
The present invention relates to the measurement and calibration technology, method and the calibrated bolck especially the hardness indicating value of the durometer (A/C/D/F type) of testing rubber, sponge and plastics etc. calibrated.
Background technology
Durometer (A/C/D/F type) can testing rubber, the hardness of sponge and plastics etc., selects the sclerometer of different model when specifically testing different products, as the A type, or the C type, or the D type, or the F type.
Figure 1 shows that the calibrated bolck of the hardness indicating value of rubber hardness gauge of prior art.Calibration steps and the calibrated bolck of the hardness indicating value of rubber hardness gauge of prior art are as follows:
Adjust the knob of adjustment up and down of fixed mount 1, make the durometer 2 that is calibrated be in suitable height, so that the pressing of the durometer that an end level contact of application of force balance 3 is calibrated.load counterweight or adjust rider on application of force balance 3 by application of force balance 3, the power value that makes durometer special force value display 4 show equals to demarcate the power value just (usually by the durometer full scale 20% that is calibrated, 40%, 60%, 80%, 90% selects demarcation power value, at least be no less than 5 points), and the value of reading after the indication of the rigidity detection device that is calibrated is stable of tapping the table, its durometer special force value display 4 is connected with power sensor 5 electric signal, its power sensor 5 is used in conjunction with durometer special force value display 4.According to the standard of " rubber hardness device main specifications complete list in the world " internal force value with the relational expression of the power of demarcation, will demarcate the power value and be converted into the rubber hardness value again.
" rubber hardness device main specifications complete list in the world "
As seen, the calibration steps cost price of existing hardness indicating value of rubber hardness gauge is high, loaded down with trivial details, length consuming time, and not Portable belt transportation is grasped this technical difficulty large, is not easy to use in factory's Intermediate Checks.
Summary of the invention
The present invention is intended to overcome the above-mentioned deficiency of prior art, and calibration steps and the device of hardness indicating value of rubber hardness gauge is provided.Its method is simple and efficient, and personal error is little, installs lightly, is easy to carry, and be convenient to use in factory's Intermediate Checks, and the calibration testing cost is low.
For this reason, the technical scheme of the calibration steps of hardness indicating value of rubber hardness gauge of the present invention and calibrated bolck is as follows:
The calibration steps of hardness indicating value of rubber hardness gauge of the present invention comprises:
One, calibrated bolck by hardness indicating value of rubber hardness gauge is calibrated, the described calibrated bolck of hardness indicating value of rubber hardness gauge comprises A type calibrated bolck group, C type calibrated bolck group, D type calibrated bolck group and F type calibrated bolck group, wherein the calibrated bolck group of every kind of model comprises a standard piece of at least 6 different hardness values, to cover the durometer level of 30-80, each standard piece is specially 30
+2,40
+2,50
+2,60
+2,70
+2 or 80
+2 hardness number;
Its two, calibration steps comprises:
1), will be pressed a corresponding standard piece in the calibrated bolck group of touching model of the same race by the pressing of the durometer in school, from read the measured value H of hardness by the durometer in school
1, and record the calibration value H of the hardness that marks on this standard piece
0
2), to being selected 5 calibration points by 1 by the durometer in school by 30%, 40%, 50%, 70% and 80% of full scale 100) step calibrate one by one;
3), analyze the H of each calibration point
⊿=H
0-H
1Value, if the H of all calibration points
⊿The numerical value that is less than or equal to standard, qualified by the hardness indicating value of rubber hardness gauge in school, otherwise, defective by the hardness indicating value of rubber hardness gauge in school;
The calibrated bolck of hardness indicating value of rubber hardness gauge of the present invention, comprise: comprise A type calibrated bolck group, C type calibrated bolck group, D type calibrated bolck group and F type calibrated bolck group, wherein the calibrated bolck group of every kind of model comprises a standard piece of at least 6 different hardness values, to cover the durometer level of 30-80, each standard piece is specially 30
+2,40
+2,50
+2,60
+2,70
+2 or 80
+2 hardness number;
A standard piece comprises the cell body that is inverted microscler shape of metal material, and its bottom land is positioned at the top of notch, is shaped with groove on bottom land, described groove on the upper surface of bottom land and lower surface one by one the up and down contraposition open system and not phase break-through; The upper surface of bottom land the geometric center position drive superzapping pin pilot hole, this pressing pilot hole pierces the lower surface of bottom land; Described groove on the upper surface of bottom land and the described groove on lower surface are symmetrical arranged take the pressing pilot hole as symcenter respectively, described groove on upper surface and the described groove on lower surface extend to assigned address along the length direction of bottom land to the two ends of bottom land take the pressing pilot hole as starting point respectively and stop, and its assigned address is between the termination of pressing pilot hole and bottom land.
Be symmetrical arranged take the pressing pilot hole as symcenter respectively at the described groove on the upper surface of bottom land and the described groove on lower surface.
The degree of depth of the described groove of the standard of a different hardness value piece is different, because hardness is actually the embodiment of the elastic force that elastic deformation produces, the degree of depth of the described groove of a standard piece is different, the elastic deformation size that produces can change, elastic force is naturally different, causes the corresponding hardness number difference of elastic force (being test force) thus.
Be labeled with corresponding hardness number through demarcating on a standard piece.
Perhaps, a standard piece comprises base piece, shell fragment and lid, the two ends of base piece are shaped with respectively protruding position blade portion, the edge of a knife of protruding position blade portion is towards length, formation depression position between two protruding blade portion, shell fragment is on the protruding position blade portion that tabular is held on the base piece, and the body of lid is covered on the base piece and forms with shell fragment with base piece coupling and presses, and causes shell fragment to be positioned two described protruding blade portion of base piece; Superzapping pin pilot hole is driven at geometric center position at the upper surface of lid, and this pressing pilot hole pierces the lower surface of lid.
Shell fragment is made of metal material.
Described lid and base piece are by screw or bolted.
It is oval or circular that described lid and base piece are all strip.
The thickness of the described shell fragment of a standard piece of the different hardness value of this kind structure is different, because hardness is actually the embodiment of the elastic force that elastic deformation produces, the elasticity of this kind construction standard piece is actually and is determined by the elasticity of shell fragment, the thickness of shell fragment is different, the elastic deformation size that produces can change, the elastic force that produces is naturally different, and causing thus, elastic force (being test force) changes corresponding hardness number difference.
Be labeled with corresponding hardness number through demarcating on a standard piece.
The standard of a hardness indicating value of rubber hardness gauge of the present invention piece must be by demarcating, demarcation to the hardness number of each standard piece in A type calibrated bolck group, C type calibrated bolck group, D type calibrated bolck group and F type calibrated bolck group, design concept according to the international rubber hardness degree measurement mechanism, be the corresponding proof force value of pressing compression distance (size), the method that is converted into corresponding hardness number by corresponding formula is carried out.
Compare with prior art, the invention has the beneficial effects as follows: one, be skillfully constructed, the design that the present invention is used for a standard piece of calibration comes from the principle that hardness is actually the embodiment of the elastic force that elastic deformation produces, specifically design according to Hooke's law, be that material is in the elastic deformation scope, power (the F=kx that is directly proportional to deformation, elongation (or decrement) x of the elastic force F of spring and spring is directly proportional, k is the elasticity coefficient of material), a standard block structure is ingenious, and is simple, be convenient to make, cost is low; Its two, calibration steps of the present invention is quick, personal error is little; Its three, calibrated bolck is easy to carry, grasps relevant collimation technique fast, is convenient to factory's Intermediate Checks and uses, and is beneficial to popularization.
Description of drawings
Fig. 1 is the calibrated bolck schematic diagram of prior art hardness indicating value of rubber hardness gauge;
Fig. 2 is the durometer schematic diagram;
Fig. 3 is the schematic diagram (bottom land is above notch) of one of standard piece example;
Fig. 4 is the schematic diagram (Fig. 3 is spun upside down, and bottom land is below notch) of one of standard piece example;
Fig. 5 is two decomposing schematic representation of a standard piece example;
Fig. 6 is two overall schematic of a standard piece example;
Fig. 7 is for using a standard piece calibration testing hardness indicating value of rubber hardness gauge schematic diagram.
In figure: 1, fixed mount; 2, durometer; 21, pressing; 3, application of force balance; 4, durometer special force value display; 5, power sensor; 6, a standard piece; 61, pressing pilot hole.
70, bottom land; 71, notch; 72, groove;
80, base piece; 81, shell fragment; 82, lid; 83, protruding blade portion; 84, screw;
Embodiment
Below, introduce by reference to the accompanying drawings the specific embodiment of the present invention.
As Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 6 and Figure 7, the calibration steps of durometer 2 hardness indicating values of the present invention comprises:
One, calibrated bolck by hardness indicating value of rubber hardness gauge is calibrated, the calibrated bolck of described hardness indicating value of rubber hardness gauge comprises A type calibrated bolck group, C type calibrated bolck group, D type calibrated bolck group and F type calibrated bolck group, wherein the calibrated bolck group of every kind of model comprises a standard piece 6 of at least 6 different hardness numbers, to cover the durometer level of 30-80, each standard piece is specially 30
+2,40
+2,50
+2,60
+2,70
+2 or 80
+2 hardness number;
Its two, calibration steps comprises:
1), will be pressed the pressing pilot hole 61 on a corresponding standard piece 6 in the calibrated bolck group of touching model of the same race by the pressing 21 of the durometer 2 in school, from read the measured value H of hardness by the durometer 2 in school
1, and record the calibration value H of the hardness that marks on this standard piece
0
2), to being selected 5 calibration points by 1 by the durometer in school by 30%, 40%, 50%, 70% and 80% of full scale 100) step calibrate one by one;
3), analyze the H of each calibration point
⊿=H
0-H
1Value, if the H of all calibration points
⊿The numerical value that is less than or equal to standard, qualified by the hardness indicating value of rubber hardness gauge in school, otherwise, defective by the hardness indicating value of rubber hardness gauge in school.
Above-mentioned calibration steps carries out under the environment of 10-30 ℃.
The calibrated bolck of hardness indicating value of rubber hardness gauge of the present invention, comprise: comprise A type calibrated bolck group, C type calibrated bolck group, D type calibrated bolck group and F type calibrated bolck group, wherein the calibrated bolck group of every kind of model comprises a standard piece 6 of at least 6 different hardness values, to cover the durometer level of 30-80, each standard piece 6 is specially 30
+2,40
+2,50
+2,60
+2,70
+2 or 80
+2 hardness number;
A standard piece 6 comprises the cell body that is inverted microscler shape of metal material, its bottom land 70 is positioned at the top of notch 71, the groove 73 of elasticity size at the bottom of being shaped with control flume on bottom land 70, described groove 72 on the upper surface of bottom land 70 and lower surface one by one the up and down contraposition open system and not phase break-through; The upper surface of bottom land 70 the geometric center position drive superzapping pin pilot hole 61, this pressing pilot hole 61 pierces the lower surface of bottom land 70; Described groove 72 on the upper surface of bottom land 70 and the described groove 72 on lower surface are symmetrical arranged take pressing pilot hole 61 as symcenter respectively, described groove 72 on upper surface and the described groove 72 on lower surface extend to assigned address along the length direction of bottom land 70 to the two ends of bottom land 70 take pressing pilot hole 61 as starting point respectively and stop, and its assigned address is between the termination of pressing pilot hole 51 and bottom land 70.
Be symmetrical arranged take pressing pilot hole 61 as symcenter respectively at the described groove 72 on the upper surface of bottom land 70 and the described groove 72 on lower surface.
The degree of depth of the described groove 61 of the standard of a different hardness value piece 6 is different, because hardness is actually the embodiment of the elastic force that elastic deformation produces, the degree of depth of the described groove 61 of calibrated bolck 6 is different, the elastic deformation size that produces can change, elastic force is naturally different, causes the corresponding hardness number difference of elastic force (being test force) thus.
Be labeled with corresponding hardness number through demarcating on a standard piece 6.
Perhaps, a standard piece 6 comprises base piece 80, shell fragment 81 and lid 82, the two ends of base piece 80 are shaped with respectively protruding position blade portion 83, the edge of a knife of protruding position blade portion 83 is towards length, the length direction of its edge of a knife is perpendicular to the distance between the two ends of base piece 80, formation depression position between two protruding blade portion 83, shell fragment 81 is on the protruding position blade portion that tabular is held on base piece 80 two ends, the body of lid 82 and base piece 80 couplings are covered on base piece 80 and form with shell fragment 81 and press, and cause shell fragment 81 to be positioned two described protruding position blade portion of base piece 80; Superzapping pin pilot hole 61 is driven at geometric center position at the upper surface of lid 82, and this pressing pilot hole 61 pierces the lower surface of lid 82.
Described lid 82 passes through screw 84 or bolted with base piece 80.
It is oval or circular that described lid 82 and base piece 80 are all strip.
The thickness of the described shell fragment 81 of a standard piece 6 of the different hardness value of this kind structure is different, because hardness is actually the embodiment of the elastic force that elasticity 81 deformation produce, the elasticity of this kind construction standard piece 6 is actually and is determined by the elasticity of shell fragment, the thickness of shell fragment 81 is different, the elastic deformation size that produces can change, the elastic force that produces is naturally different, causes the corresponding hardness number difference of elastic force (being test force) thus.
Be labeled with corresponding hardness number through demarcating on a standard piece 6.
The standard of a hardness indicating value of rubber hardness gauge of the present invention piece 6 must be by demarcating, demarcation to the hardness number of each standard piece 6 in A type calibrated bolck group, C type calibrated bolck group, D type calibrated bolck group and F type calibrated bolck group, design concept according to the international rubber hardness degree measurement mechanism, be the corresponding proof force value of pressing compression distance (size), the method that is converted into corresponding hardness number by corresponding formula is carried out.
The above is only preferred embodiment of the present invention, is not that technical scope of the present invention is imposed any restrictions.The technician of the industry, under the inspiration of the technical program, can make some distortion and revise, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any modification, equivalent variations and modification that above embodiment does.
Claims (2)
1. the calibration steps of hardness indicating value of rubber hardness gauge, is characterized in that, comprising:
One, calibrated bolck by hardness indicating value of rubber hardness gauge is calibrated, the described calibrated bolck of hardness indicating value of rubber hardness gauge comprises A type calibrated bolck group, C type calibrated bolck group, D type calibrated bolck group and F type calibrated bolck group, wherein the calibrated bolck group of every kind of model comprises a standard piece of at least 6 different hardness values, to cover the durometer level of 30-80, each standard piece is specially 30
+2,40
+2,50
+2,60
+2,70
+2 or 80
+2 hardness number;
Its two, calibration steps comprises:
1), will be pressed a corresponding standard piece in the calibrated bolck group of touching model of the same race by the pressing of the durometer in school, from read the measured value H of hardness by the durometer in school
1, and record the calibration value H of the hardness that marks on this standard piece
0
2), to being comprised that by full scale 100 30%, 40%, 50%, 70% and 80% selects at least 5 calibration points by 1 by the durometer in school) step calibrate one by one;
3), analyze the H of each calibration point
⊿=H
0-H
1Value, if the H of all calibration points
⊿The numerical value that is less than or equal to standard, qualified by the hardness indicating value of rubber hardness gauge in school, otherwise, defective by the hardness indicating value of rubber hardness gauge in school;
A described standard piece comprises the cell body that is inverted microscler shape of metal material, and its bottom land is positioned at the top of notch, is shaped with groove on bottom land, described groove on the upper surface of bottom land and lower surface one by one the up and down contraposition open system and not phase break-through; The upper surface of bottom land the geometric center position drive superzapping pin pilot hole, this pressing pilot hole pierces the lower surface of bottom land; Described groove on the upper surface of bottom land and the described groove on lower surface are symmetrical arranged take the pressing pilot hole as symcenter respectively, described groove on upper surface and the described groove on lower surface extend to assigned address along the length direction of bottom land to the two ends of bottom land take the pressing pilot hole as starting point respectively and stop, and its assigned address is between the termination of pressing pilot hole and bottom land.
2. be applied to the calibrated bolck of hardness indicating value of rubber hardness gauge calibration steps claimed in claim 1, it is characterized in that: comprise A type calibrated bolck group, C type calibrated bolck group, D type calibrated bolck group and F type calibrated bolck group, wherein the calibrated bolck group of every kind of model comprises a standard piece of at least 6 different hardness values, to cover the durometer level of 30-80, each standard piece is specially 30
+2,40
+2,50
+2,60
+2,70
+2 or 80
+2 hardness number; A described standard piece comprises the cell body that is inverted microscler shape of metal material, and its bottom land is positioned at the top of notch, is shaped with groove on bottom land, described groove on the upper surface of bottom land and lower surface one by one the up and down contraposition open system and not phase break-through; The upper surface of bottom land the geometric center position drive superzapping pin pilot hole, this pressing pilot hole pierces the lower surface of bottom land; Described groove on the upper surface of bottom land and the described groove on lower surface are symmetrical arranged take the pressing pilot hole as symcenter respectively, described groove on upper surface and the described groove on lower surface extend to assigned address along the length direction of bottom land to the two ends of bottom land take the pressing pilot hole as starting point respectively and stop, and its assigned address is between the termination of pressing pilot hole and bottom land.
3. the calibrated bolck of hardness indicating value of rubber hardness gauge according to claim 2, is characterized in that: be labeled with corresponding hardness number through demarcating on a calibration piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110275611 CN102323174B (en) | 2011-09-16 | 2011-09-16 | Method for calibrating hardness indicating value of rubber hardness gauge and standard blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110275611 CN102323174B (en) | 2011-09-16 | 2011-09-16 | Method for calibrating hardness indicating value of rubber hardness gauge and standard blocks |
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| Publication Number | Publication Date |
|---|---|
| CN102323174A CN102323174A (en) | 2012-01-18 |
| CN102323174B true CN102323174B (en) | 2013-11-06 |
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| CN 201110275611 Expired - Fee Related CN102323174B (en) | 2011-09-16 | 2011-09-16 | Method for calibrating hardness indicating value of rubber hardness gauge and standard blocks |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466801A (en) * | 2016-01-13 | 2016-04-06 | 黑龙江华安精益计量技术研究院有限公司 | A-shaped Shore durometer test force calibration device |
| CN106124351B (en) * | 2016-08-30 | 2019-05-17 | 宁波赛宝信息产业技术研究院有限公司 | Shore durometer calibrating installation and calibration method |
| CN108181195A (en) * | 2018-01-17 | 2018-06-19 | 上海希贝计量技术服务有限公司 | A kind of Shore durometer calibrating instrument |
| CN110823732A (en) * | 2019-09-29 | 2020-02-21 | 彩虹显示器件股份有限公司 | Correction method for Vickers hardness test deviation of electronic glass |
| CN113092301A (en) * | 2021-04-27 | 2021-07-09 | 西安热工研究院有限公司 | On-spot with experimental calibration test block of richter hardness |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3951257B2 (en) * | 1996-11-08 | 2007-08-01 | 株式会社井元製作所 | Muscle hardness meter |
| CN2406244Y (en) * | 1999-12-28 | 2000-11-15 | 时代集团公司 | Hardness-meter test table |
| JP4747029B2 (en) * | 2006-05-12 | 2011-08-10 | 株式会社ミツトヨ | Hardness tester |
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| CN102323174A (en) | 2012-01-18 |
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Address after: 523000 No. 2 Niushan Niuheng Industrial Zone, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Dongguan high quality measurement technology service Co.,Ltd. Address before: 523128 Residential Committee Office Building of Niushan New Village, Dongcheng District, Dongguan City, Guangdong Province Patentee before: DONGGUAN HIGH-TECHNOLOGY GOODS DETECTION SERVICESCO., Ltd. |
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