CN105319122A - Testing method for cutting resistance and puncture resistance of vulcanized rubber - Google Patents
Testing method for cutting resistance and puncture resistance of vulcanized rubber Download PDFInfo
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- CN105319122A CN105319122A CN201510492585.8A CN201510492585A CN105319122A CN 105319122 A CN105319122 A CN 105319122A CN 201510492585 A CN201510492585 A CN 201510492585A CN 105319122 A CN105319122 A CN 105319122A
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Abstract
The invention discloses a testing method for cutting resistance and puncture resistance of vulcanized rubber. According to the method, based on energy loss, cutting and puncture acting testing is carried out on the vulcanized rubber, an energy integral testing method is designed and set up, and puncture resistant performance of the vulcanized rubber is evaluated in a quantitative mode in a laboratory. The principle is simple, and testing equipment is easy to operate; in comparison with a gravity cutting method in the prior art, testing errors are small, and the cutting resistant performance of the rubber can be reflected more accurately.
Description
The present invention relates to the method for testing of a kind of vulcanized rubber cut resistant and resistance to puncture, belong to the technical field of measurement and test of rubber performance.
Background technology
Cross-ply is through product restructuring in a few years, and engineering mining tyres, large-scale agricultural tyre progressively define has certain production scale, becomes cross-ply to the product main body of special tyre Development Transformation and basis.Engineering mining tyres is mainly in mining area operation, and environment is comparatively complicated, inevitably contacts various rubble and sharp lump, carries out cutting damage to tire, easily cause tire tread to collapse and use up block; The main supporting big-powered tractor of large-scale agricultural tyre simultaneously, in actual use, due to the crop root part stubble that interior harvesting of ploughing remains afterwards, abnormal sharp-pointed, tire is inevitably stabbed, stabs.Therefore, promote the service property (quality) of engineering mining tyres, large-scale agricultural tyre, emphasis is exactly the anti-cutting, the thorn resistance energy that improve tread glue formula, and in the design and experimental verification process of formula, laboratory to the anti-cutting of vulcanized rubber, thorn resistance can sign, just become engineering mining tyres, important test event that agricultural tyre tyre surface cut resistant thorn resistance can improve.
Summary of the invention
The object of the invention is: for the defect of prior art, provide the method for testing of a kind of vulcanized rubber cut resistant and resistance to puncture, the method principle is simple, and successful, to overcome the deficiencies in the prior art.
Technical scheme of the present invention
The method of testing of a kind of vulcanized rubber cut resistant and resistance to puncture, the method is from the angle of energy loss, cut vulcanized rubber and puncture acting test, energy integral test method is set up in design, can carry out quantitative evaluation in laboratory to the thorn resistance of vulcanized rubber.
In the method for testing of aforesaid a kind of vulcanized rubber cut resistant and resistance to puncture, specifically testing procedure is:
Step one, the uncured rubber fetched is put into mill freshening become film from production scene, then make the test sample of cut resistant and resistance to puncture, make thickness and be not less than 20mm;
Step 2, by unvulcanized sample, carry out sulfuration, the sample storage period vulcanizated is not less than 8 hours;
Step 3, selection cutter; Resistance to puncture selects the test tool of pin type, and cut resistant selects the test tool of blade;
Step 4, by test gained statistical conversion, utilize ORIGIN software, derived data processed; From increase place of record force value, terminate to test duration t point, displacement is exactly t*v, carry out the integration of force value to the time in software, the data obtained is multiplied by speed v, is exactly that cutter enters rubber t*v degree of depth institute work, during contrast test, t during each Example Test Data process must be consistent
In the method for testing of aforesaid a kind of vulcanized rubber cut resistant and resistance to puncture, the preparation of described cut resistant test sample: according to the direction of rubber slice, be divided into along slice direction with perpendicular to slice direction, make thickness and be not less than 20mm, width is not more than the sample of cut resistant test tool, its shape side of being body.
In the method for testing of aforesaid a kind of vulcanized rubber cut resistant and resistance to puncture, the preparation of the test sample of resistance to puncture: sample thickness is not less than 20mm, its shape side of being body or right cylinder.
In the method for testing of aforesaid a kind of vulcanized rubber cut resistant and resistance to puncture, method of testing concrete in described step 4 is:
1) dynamometer is mounted on electronic tester table;
2) dynamometer is connected with computing machine, and data acquisition software is connected with dynamometer;
3) choose cutter according to test, and be arranged on load cells end;
4) need to choose electromechanical testing speed, test stroke and pressing time according to test;
5) under sample being put in test tool, tester table is started, under driven by motor dynamometer is automatic with speed v;
6) pressing in sample, computer automation testing record force value f and downgoing time t;
7) test terminates, and preserves and derived data;
8) utilize ORIGIN software, derived data is processed.
Owing to have employed technique scheme, compared with prior art, the principle of the invention is simple, and testing apparatus processing ease, relative to the gravity patterning method of prior art, its test error is less, more can accurately reflect the belt cutting-resisting property of rubber.
Embodiment
The present invention is described in further detail below, but not as any limitation of the invention.
Embodiments of the invention: the method for testing of a kind of vulcanized rubber cut resistant and resistance to puncture, the method is from the angle of energy loss, vulcanized rubber is cut and puncture acting test, energy integral test method is set up in design, can carry out quantitative evaluation in laboratory to the thorn resistance of vulcanized rubber.
Concrete implementation step is:
(1) uncured rubber fetched from production scene is put into mill freshening and become film, then make the test sample of cut resistant and resistance to puncture.
The preparation of a cut resistant test sample: according to the direction of rubber slice, is divided into along slice direction with perpendicular to slice direction, and make thickness and be not less than 20mm, width is not more than the sample of cut resistant test tool, and this sample is rectangle sample
The preparation of the b test sample of resistance to puncture: sample thickness is not less than 20mm, circular and rectangle sample all can test resistance to puncture.
If unvulcanized sample in a and b, then need to carry out sulfuration (conditions of vulcanization is the sulphur sex change energy of uncured rubber and determines), the sample storage period vulcanizated is not less than 8 hours, the rubber of sulfuration itself carries out cut resistant and the test of resistance to puncture, the preparation of sample is divided into cut resistant and resistance to puncture two kinds of modes equally, by the rubber taken off from rubber, the 20mm sample of resistance to puncture is not less than through cutting and being polished into thickness, thickness is not less than the cut resistant sample that 20mm and width are not more than cut resistant test tool, the sample storage period of having polished is not less than 8 hours.
(2) select cutter, resistance to puncture selects the test tool of pin type, and cut resistant selects the test tool of blade, and concrete testing procedure is as follows:
Dynamometer is mounted on electronic tester table by a;
Dynamometer is connected with computing machine by b, and is connected with dynamometer by data acquisition software;
C chooses cutter according to test, and is arranged on load cells end;
D needs to choose electromechanical testing speed, test stroke and pressing time according to test;
Under sample is put in test tool by e, start tester table, under driven by motor dynamometer is automatic with speed v
F pressing in sample, computer automation testing record force value f and downgoing time t;
G tests end, preserves and derived data (excel data form form, bpm picture format);
(3) utilize ORIGIN software, derived data is processed.From increase place of record force value, terminate to test duration t point, displacement is exactly t*v, and carry out the integration of force value to the time in software, the data obtained is multiplied by speed v, and be exactly that cutter enters rubber t*v degree of depth institute work, unit is 10
-3J.During contrast test, t during each Example Test Data process must be consistent.
Citing: after the 2 kinds of uncured rubbers fetched from workshop being carried out freshening with said method, make rectangular sample, according to above-mentioned method (energy meter point-score) and gravity cutting test belt cutting-resisting property, calculates relative standard deviation, the results are shown in following table:
Data as can be seen from upper table, the cut resistant that the method (method of energy integral) of present patent application is carried out is tested, and test error is little compared with gravity patterning method, more can accurately reflect the belt cutting-resisting property of rubber.
Claims (5)
1. the method for testing of a vulcanized rubber cut resistant and resistance to puncture, it is characterized in that: the method is from the angle of energy loss, vulcanized rubber is cut and puncture acting test, energy integral test method is set up in design, can carry out quantitative evaluation in laboratory to the thorn resistance of vulcanized rubber.
2. require the method for testing of a kind of vulcanized rubber cut resistant described in 1 and resistance to puncture according to power, it is characterized in that: specifically testing procedure is:
Step one, the uncured rubber fetched is put into mill freshening become film from production scene, then make the test sample of cut resistant and resistance to puncture, make thickness and be not less than 20mm;
Step 2, by unvulcanized sample, carry out sulfuration, the sample storage period vulcanizated is not less than 8 hours;
Step 3, selection cutter; Resistance to puncture selects the test tool of pin type, and cut resistant selects the test tool of blade;
Step 4, by test gained statistical conversion, utilize ORIGIN software, derived data processed; From increase place of record force value, terminate to test duration t point, displacement is exactly t*v, carry out the integration of force value to the time in software, the data obtained is multiplied by speed v, is exactly that cutter enters rubber t*v degree of depth institute work, during contrast test, t during each Example Test Data process must be consistent
。
3. the method for testing of a kind of vulcanized rubber cut resistant according to claim 2 and resistance to puncture, it is characterized in that: the preparation of described cut resistant test sample: according to the direction of rubber slice, be divided into along slice direction with perpendicular to slice direction, make thickness and be not less than 20mm, width is not more than the sample of cut resistant test tool, its shape side of being body.
4. the method for testing of a kind of vulcanized rubber cut resistant according to claim 2 and resistance to puncture, is characterized in that: the preparation of the test sample of resistance to puncture: sample thickness is not less than 20mm, its shape side of being body or right cylinder.
5. the method for testing of a kind of vulcanized rubber cut resistant according to claim 2 and resistance to puncture, is characterized in that: method of testing concrete in described step 4 is:
1) dynamometer is mounted on electronic tester table;
2) dynamometer is connected with computing machine, and data acquisition software is connected with dynamometer;
3) choose cutter according to test, and be arranged on load cells end;
4) need to choose electromechanical testing speed, test stroke and pressing time according to test;
5) under sample being put in test tool, tester table is started, under driven by motor dynamometer is automatic with speed v;
6) pressing in sample, computer automation testing record force value f and downgoing time t;
7) test terminates, and preserves and derived data;
8) utilize ORIGIN software, derived data is processed.
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| CN201510492585.8A CN105319122A (en) | 2015-08-12 | 2015-08-12 | Testing method for cutting resistance and puncture resistance of vulcanized rubber |
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| CN201510492585.8A CN105319122A (en) | 2015-08-12 | 2015-08-12 | Testing method for cutting resistance and puncture resistance of vulcanized rubber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320155A (en) * | 2019-07-31 | 2019-10-11 | 铁岭尔凡橡塑研发有限公司 | A kind of anti-stab simple detection method and device for wearing performance of the anti-scribing of rubber material |
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| CN1330264A (en) * | 2001-07-28 | 2002-01-09 | 温州黄河皮革有限公司 | Method and equipment for testing bending resistance of leather |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320155A (en) * | 2019-07-31 | 2019-10-11 | 铁岭尔凡橡塑研发有限公司 | A kind of anti-stab simple detection method and device for wearing performance of the anti-scribing of rubber material |
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Application publication date: 20160210 |