CN103743669A - Method for measuring anti-fatigue adhesive strength of impregnated canvas - Google Patents
Method for measuring anti-fatigue adhesive strength of impregnated canvas Download PDFInfo
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- CN103743669A CN103743669A CN201410001097.8A CN201410001097A CN103743669A CN 103743669 A CN103743669 A CN 103743669A CN 201410001097 A CN201410001097 A CN 201410001097A CN 103743669 A CN103743669 A CN 103743669A
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Abstract
The invention aims at providing a method for measuring the anti-fatigue adhesive strength of impregnated canvas. The method comprises the following steps: 1, cutting a sample of which the length is greater than 170mm from to-be-measured canvas in a radial manner; 2, fixing one end of the sample on a fixing clamper, fixing the other end of the sample on a movable clamper, so that the sample is open and flat, vertical and free of tension, and the distance between the two clampers when the sample is open and flat is 170mm; 3, carrying out reciprocating motion by the movable clamper along the central line direction of the two clampers, wherein the vertical distance between the two clampers in the reciprocating motion is 130mm at least and 170mm at most; and finally, testing according to the set yield removing times, and recording the yield times, the stripping condition and the dynamic adhesion property grade of the sample after testing is ended, thus judging the anti-fatigue adhesive strength of the impregnated canvas. By adopting the measurement method, the dynamic anti-fatigue adhesive strength of the impregnated canvas can be effectively and accurately measured.
Description
Technical field
The present invention designs a kind of measuring method, is specifically related to a kind of method of measuring dipped canvas endurance bond strength.
Background technology
The plunger bond strength of the fabric core conveyor belt of conveying belt industry measurement is at present according to GB/T 6759-2002, this method of testing is mainly static environment Imitating conveyer band discerption intensity and grade, can not instruct conveying belt to work at the scene and middlely when conveyor upper supporting roller, snub pulley, repeatedly subdue under state the dynamically test of bond properties, and the dynamic bond properties of conveying belt be related to conveying belt interlayer in use whether can delamination and serviceable life etc. problem.Domesticly not yet fabric core conveyor belt plunger bond strength is made to standard regulation at present.
Summary of the invention
Technical matters to be solved by this invention is, a kind of method of can be effectively, accurately the dynamic endurance bond strength of dipped canvas being measured is provided.
The object of this invention is to provide a kind of method of measuring dipped canvas endurance bond strength, concrete technical scheme is: step 1, and from canvas to be measured, radially intercepted length is greater than the sample of 170mm; Step 2, is fixed on sample one end on a fixed clamp device, and the other end is fixed on removable clamper, makes that sample is open and flat, vertically and to be not subject to tension force, distance when sample is open and flat between two clampers be 170 mm; Step 3, removable clamper moves reciprocatingly along the centerline direction of two clampers, and vertical range minimum during to-and-fro movement between two clampers is 130 mm, and the longest is 170mm; Step 4, makes to subdue number of times and increases progressively according to the rules, and dynamic bond properties is carried out to classification, and while subduing in 5 000 times, subduing interval steps is 500 times; While subduing 5 000～10 000 times, subduing interval steps is 1 000 times; While subduing 10000～20000 times, subduing interval steps is 2 000 times; While subduing more than 20000 times, subduing interval steps is 5 000 times; Step 5, records subduing number of times, peeling off situation and dynamic bond properties grade of sample, judges the endurance bond strength of dipped canvas.
Further improvement of the present invention is: the concrete classification of the dynamic bond properties in described step 4 is as follows, 0 grade: sample is closely knit complete, does not occur breach; 1 grade: breach appears in a side of sample, and breach length is no more than 2.5mm, and the degree of depth is no more than 2.5mm; 2 grades: breach appears in a side of sample, and breach length is no more than 5mm, and the degree of depth is no more than 2.5mm; 3 grades: breach appears in a side of sample, and breach length is no more than 10mm, and the degree of depth is no more than 2.5mm; 4 grades: breach appears in a side of sample, breach length surpasses 10mm or the degree of depth surpasses 2.5mm; 5 grades: breach appears in the both sides of sample, breach length is no more than 10mm; 6 grades: breach appears in the both sides of sample, breach length surpasses 10mm.
Further improvement of the present invention is: the canvas environment temperature to be measured in described step 1 is (23 scholar 2) ℃, and relative humidity is under the environment of (65 scholar 5) %, to place at least 24 h.
Further improvement of the present invention is: the motion frequency of the removable clamper in described step 2 is 5.00 Hz ± 0.17 Hz.
Further improvement of the present invention is: the width of the clamper in described step 2, step 3 is not less than the width of sample.
Beneficial effect of the present invention: this measuring method can be measured the dynamic endurance bond strength of dipped canvas effectively, accurately.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
The present embodiment provides a kind of method of measuring dipped canvas endurance bond strength, and measuring the instrument using is bending machine, and this machine has two clampers up and down, and the width of clamper equals the width of sample, and lower gripper can move up and down.This method testing procedure is as follows: (1) canvas to be measured is (23 scholar 2) ℃ in temperature, and relative humidity is for after placing 24 h under the environment of (65 scholar 5) %, and from canvas to be measured, radially intercepted length is greater than the sample of 170mm.(2) bending machine upper and lower holder is separated into ultimate range, sample on folder, make sample open and flat, vertically and be not subject to tension force, the center of sample and clamper center superposition.Distance when sample is open and flat between two clampers is 170 mm, minimum perpendicular distance during lower gripper to-and-fro movement between two clampers is 130 mm, maximum normal distance is 170mm, lower gripper moves reciprocatingly along the centerline direction of two clampers, and the motion frequency of lower gripper is 5.00 Hz ± 0.17 Hz.(3) start testing machine, subdue to set point number and shut down, observe and record the situation of peeling off, restart testing machine.(4) make to subdue number of times and increase progressively according to the rules, and extent of exfoliation is carried out to classification.While subduing in 5 000 times, subduing interval steps is 500 times; While subduing 5 000～10 000 times, subduing interval steps is 1 000 times; While subduing 10000～20000 times, subduing interval steps is 2 000 times; While subduing more than 20000 times, subduing interval steps is 5 000 times.(5) while shutting down, record subduing number of times, peeling off situation and dynamic bond properties grade of sample at every turn, in conjunction with subdue number of times and dynamically bond properties grade to determine the endurance bond strength of dipped canvas big or small.
Claims (5)
1. a method of measuring dipped canvas endurance bond strength, is characterized in that:
Step 1, from canvas to be measured, radially intercepted length is greater than the sample of 170mm;
Step 2, is fixed on sample one end on a fixed clamp device, and the other end is fixed on removable clamper, makes that sample is open and flat, vertically and to be not subject to tension force, distance when sample is open and flat between two clampers be 170 mm;
Step 3, removable clamper moves reciprocatingly along the centerline direction of two clampers, and vertical range minimum during to-and-fro movement between two clampers is 130 mm, and the longest is 170mm;
Step 4, makes to subdue number of times and increases progressively according to the rules, and dynamic bond properties is carried out to classification, and while subduing in 5 000 times, subduing interval steps is 500 times; While subduing 5 000～10 000 times, subduing interval steps is 1 000 times; While subduing 10000～20000 times, subduing interval steps is 2 000 times; While subduing more than 20000 times, subduing interval steps is 5 000 times;
Step 5, records subduing number of times, peeling off situation and dynamic bond properties grade of sample, judges the endurance bond strength of dipped canvas.
2. a kind of method of measuring dipped canvas endurance bond strength as claimed in claim 1, is characterized in that: the concrete classification of the dynamic bond properties in described step 4 is as follows,
0 grade: sample is closely knit complete, there is not breach;
1 grade: breach appears in a side of sample, and breach length is no more than 2.5mm, and the degree of depth is no more than 2.5mm;
2 grades: breach appears in a side of sample, and breach length is no more than 5mm, and the degree of depth is no more than 2.5mm;
3 grades: breach appears in a side of sample, and breach length is no more than 10mm, and the degree of depth is no more than 2.5mm;
4 grades: breach appears in a side of sample, breach length surpasses 10mm or the degree of depth surpasses 2.5mm;
5 grades: breach appears in the both sides of sample, breach length is no more than 10mm;
6 grades: breach appears in the both sides of sample, breach length surpasses 10mm.
3. a kind of method of measuring dipped canvas endurance bond strength as claimed in claim 1, it is characterized in that: the canvas environment temperature to be measured in described step 1 is for (23 scholar 2) ℃, relative humidity be placement at least 24 h under the environment of (65 scholar 5) %.
4. a kind of method of measuring dipped canvas endurance bond strength as claimed in claim 1, is characterized in that: the motion frequency of the removable clamper in described step 2 is 5.00 Hz ± 0.17 Hz.
5. a kind of method of measuring dipped canvas endurance bond strength as described in claim 1 or 4, is characterized in that: the width of the clamper in described step 2, step 3 is not less than the width of sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001097.8A CN103743669A (en) | 2014-01-02 | 2014-01-02 | Method for measuring anti-fatigue adhesive strength of impregnated canvas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001097.8A CN103743669A (en) | 2014-01-02 | 2014-01-02 | Method for measuring anti-fatigue adhesive strength of impregnated canvas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103743669A true CN103743669A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410001097.8A Pending CN103743669A (en) | 2014-01-02 | 2014-01-02 | Method for measuring anti-fatigue adhesive strength of impregnated canvas |
Country Status (1)
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| CN (1) | CN103743669A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19540364A1 (en) * | 1995-10-30 | 1997-05-07 | Panacol Elosol Gmbh | Measuring shrink behaviour of adhesive especially reactive resin adhesive e.g. in optics mountings |
| 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 |
| CN102854076A (en) * | 2011-06-30 | 2013-01-02 | 江苏明珠试验机械有限公司 | Testing machine for shearing, flexing and friction-resisting performance of rubber or coated fabrics |
| CN103033469A (en) * | 2012-12-13 | 2013-04-10 | 青岛科技大学 | Method for testing dynamic adhesion property of vulcanized rubber/steel wire cord |
-
2014
- 2014-01-02 CN CN201410001097.8A patent/CN103743669A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19540364A1 (en) * | 1995-10-30 | 1997-05-07 | Panacol Elosol Gmbh | Measuring shrink behaviour of adhesive especially reactive resin adhesive e.g. in optics mountings |
| 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 |
| CN102854076A (en) * | 2011-06-30 | 2013-01-02 | 江苏明珠试验机械有限公司 | Testing machine for shearing, flexing and friction-resisting performance of rubber or coated fabrics |
| CN103033469A (en) * | 2012-12-13 | 2013-04-10 | 青岛科技大学 | Method for testing dynamic adhesion property of vulcanized rubber/steel wire cord |
Non-Patent Citations (1)
| Title |
|---|
| 谢艳霞: "煤矿用整芯阻燃输送带动态粘合性能的测定", 《橡胶工业》 * |
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Application publication date: 20140423 |