ไอเอสโอ 4649 ASTM D5963 DIN Abrasion Tester Testing Machine Lab Device GA-1012
ไอเอสโอ 4649 ASTM D5963 DIN Abrasion Tester Testing Machine Lab Device GA-1012
ไอเอสโอ 4649 การแนะนำ
This International Standard specifies two methods for the determination of the resistance of rubber to abrasion by means of a rotating cylindrical drum device.
The methods involve determination of the volume loss due to the abrasive action of rubbing a test piece over a specified grade of abrasive sheet. Method A is for a non-rotating test piece and method B for a rotating test
ชิ้นส่วน. For each method, the result can be reported as a relative volume loss or an abrasion resistance index.
Because factors such as the grade of abrasive sheet, the type of adhesive used in the manufacture of the sheet and contamination and wear caused by previous testing lead to variations in the absolute values of
abrasion loss, all tests are comparative. Runs with a reference compound are included so that the results can be expressed either as a relative volume loss compared to a calibrated abrasive sheet or as an abrasion
resistance index compared to a reference compound.
บันทึก
The abrasion loss is often more uniform using the rotating test piece because the whole surface of the test piece is in contact with the abrasive sheet over the duration of the test. อย่างไรก็ตาม, there is considerable experience using the non-rotating test piece.
These test methods are suitable for comparative testing,quality control, specification compliance testing,referee purposes, and research and development work. No close relation between the results of this abrasion
test and service performance can be inferred.
ไอเอสโอ 4649 ASTM D5963 DIN Abrasion Tester Testing Machine Lab Device GA-1012
ASTM D5963 Introduction
1. ขอบเขต
1.1 This test method covers the measurement of abrasion resistance of rubbers (vulcanized thermoset rubbers and thermoplastic elastomers) that are subject to abrasive/frictional wear in actual service. The abrasion resistance is measured by moving a test piece across the surface of an abrasive sheet mounted to a revolving drum, and is expressed as volume loss in cubic millimetres or abrasion resistance index in percent.
For volume loss, a smaller number indicates better abrasion resistance, while for the abrasion resistance index, a smaller number denotes poorer abrasion resistance.
1.2 Test results obtained by this test method shall not be assumed to represent the wear behavior of rubber products experienced in actual service.
1.3 ค่าที่ระบุในหน่วย SI จะถือเป็นค่ามาตรฐาน. The values in parentheses are for information only.
1.4 มาตรฐานนี้ไม่ได้มุ่งหมายที่จะจัดการกับข้อกังวลด้านความปลอดภัยทั้งหมด, ถ้ามี, ที่เกี่ยวข้องกับการใช้งาน. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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ไอเอสโอ 4649 ASTM D5963 DIN Abrasion Tester Testing Machine Lab Device GA-1012
มาตรฐาน
DIN ISO 4649:2006-11 (อี). ยาง, vulcanized or thermoplastic – Determination of abrasion resistance using a rotating cylindrical drum device.
ASTM D5963 – 04(2010)e1 Standard Test Method for Rubber Property—Abrasion Resistance (Rotary Drum Abrader).
หลักการ
Under a predetermined contact pressure and a given area ,the specimen with sandpaper angled to measureabrasion resistance of the specimen subjected to rubbing on a certain level of sandpaper, sandpaper affixed to the surface of the drum, samples pressed on a drum with sandpaper, and the specimen along the roller to the lateral movement, abrasion resistance is produced at one end of the cylindrical specimen, tests the value of the mass loss of the specimen, by the density of the specimen to calculate the amount of volume abrasion.
ไอเอสโอ 4649 ASTM D5963 DIN Abrasion Tester Testing Machine Lab Device GA-1012
แอปพลิเคชัน
DIN Rubber Wear Abrasion Tester is used to test the friction of surface by a particular piece of abrasive paper, After wear for a certain time, and then assess the condition of material surface, น้ำหนัก, volume and thickness, from this standard to assess the abrasive nature of materials, as such elastic material, ยาง, ยาง, convey belt, transmit belt, sole, synthetic leather, leather and others
ข้อมูลจำเพาะ
| มาตรฐานการออกแบบ | DIN-53516,ISO-4649，GB/T9867
|
| Specimen size | diameter 16mm, ความสูง 6-16 มม |
| โหลด | 2.5เอ็น,5เอ็น,10เอ็น |
| Rotating wheel | diameter 150mm, length 460mm, rotating speed 40rpm |
| Roller rotation speed | 40รอบต่อนาที |
| Remove range | 4.2mm/R.P.M. |
| ความเร็ว | 19.2m/minute |
| เครื่องประดับ | Sand paper,standard glue,sample cutter. |
| น้ำหนัก | 70กิโลกรัม |
| Dimention | 85×32×40cm |
| พลัง | 1Ø, ไฟฟ้ากระแสสลับ 220V, 50 ~60Hz 3A |