CS238407B1 - Abrasive rubber - Google Patents
Abrasive rubber Download PDFInfo
- Publication number
- CS238407B1 CS238407B1 CS82113A CS11382A CS238407B1 CS 238407 B1 CS238407 B1 CS 238407B1 CS 82113 A CS82113 A CS 82113A CS 11382 A CS11382 A CS 11382A CS 238407 B1 CS238407 B1 CS 238407B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- abrasive
- rubber
- parts
- volume
- wear
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 239000004636 vulcanized rubber Substances 0.000 claims abstract description 5
- 239000011230 binding agent Substances 0.000 claims abstract description 4
- 238000010008 shearing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000002023 wood Substances 0.000 description 2
- 241001494479 Pecora Species 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Vynález spadá do odboru skúšobný opotrebovací materiál pre polnohospodárske zariadenia na báze abrazívne) gumy ako aj do odboru gumárenských technologií. Rieši zloženie abrazívnej gumy, ktorá pozostáva z 20 až 30 objemových dielov abrazívnych častíc o velkosti 0,25 až 0,5 mm, ktoré sú do 100 objemových dielov doplněné spojivom, ktorým je vulkanizovaná guma o tvrdosti 65 až 70 °Sh.The invention falls within the field of test wear material for agricultural abrasive rubber equipment as well as to the Department of Rubber Technology. It solves the composition of the abrasive rubber that consists 20 to 30 abrasive volumes particles of 0.25 to 0.5 mm in size which are up to 100 parts by volume binder, which is vulcanized rubber hardness 65 to 70 ° Sh.
Description
(54) Abrazívna guma(54) Abrasive rubber
22
Vynález spadá do odboru skúšobný opotrebovací materiál pre poínohospodárske zariadenia na báze abrazívnej gumy ako aj do odboru gumárenských technologií.The invention falls within the field of test wear material for abrasive rubber based agricultural equipment as well as the field of rubber technology.
Rieši zloženie abrazívnej gumy, ktorá pozostáva z 20 až 30 objemových dielov abrazívnych častíc o velkosti 0,25 až 0,5 mm, ktoré sú do 100 objemových dielov doplněné spojivom, ktorým je vulkanizovaná guma o tvrdosti 65 až 70 °Sh.It solves the composition of an abrasive rubber, which consists of 20 to 30 parts by volume abrasive particles of 0.25 to 0.5 mm in size, which are supplemented to 100 parts by volume with a binder which is a vulcanized rubber having a hardness of 65 to 70 ° Sh.
Vynález sa týká abrazívnej gumy.The invention relates to an abrasive rubber.
Abrazívne opotrebenie nastáva vtedy, ak tvrdé cudzie částice režú, alebo ryhujú povrch telesa. Zvlášť výrazné působí abrazívne opotrebenie vtedy, ak cudzie tvrdé častíce sú přítomné medzi dvomi. truciím sa povrchmi.Abrasive wear occurs when hard foreign particles cut or groove the body surface. Abrasive wear is particularly pronounced when foreign hard particles are present between the two. rushing surfaces.
Pre laboratorně skúšky abrazívneho opotrebenia kovov sa používá viac metod, ako například obrusovanie válcových vzoriek na brúsnom plátně, alebo volným abrazívom, připadne rezanie, alebo strihanie vhodného materiálu imitujúqeho spracovávaný materiál modelovými nožíkmi alebo nožnicami.For laboratory testing of metal abrasive wear, several methods are used, such as abrasion of cylindrical specimens on an abrasive cloth or loose abrasive, or cutting or shearing of a suitable material to imitate the material being processed by model scissors or scissors.
Sú známe metódy skúšok spočívajúce v řezaní papierových rúrok naplněných zmesou vytvrdnutého cementu s křemičitým pieskom, připadne heraklitu, alebo v řezaní tyčí z materiálu, ktorý pozostáva z abrazívnych častíc viazaných parafínom. Tieto materiály majú spoločný nedostatok v tom, že sú tuhé a pri skúškach režných nástrojov uskutočňujúcich delenie materiálu strihom, například žabky žacej lišty, alebo nožníc na strihanie ovcí, alebo nožníc na strihanie drevnatých a stebelných materiálov nesimulujú dostatočne verne skutočný priebeh namáhania a opotrebenia ich režných častí.Test methods are known which consist of cutting paper tubes filled with a mixture of hardened cement with quartz sand, optionally heraclitus, or cutting rods from a material consisting of paraffin-bound abrasive particles. These materials have a common drawback in that they are rigid and do not sufficiently simulate the true course of wear and tear on the cutting tools such as cutterbars, shears for sheep, or shears for shearing wood and wood materials. parts.
Tento nedostatok odstraňuje abrazívna guma podía vynálezu vyznačujúca sa tým, že pozostáva z 20 až 30 objemových dielov abrazívnych častíc o velkosti 0,25 až 0,5 mm, ktoré sú do 100 objemových dielov doplněné, spojivom, ktorým je vulkanizovaná guma o tvrdosti 65 až 70 °Sh.This deficiency is overcome by the abrasive rubber of the invention, characterized in that it consists of 20 to 30 parts by volume of abrasive particles of 0.25 to 0.5 mm in size, supplemented to 100 parts by volume with a binder which is a vulcanized rubber having a hardness of 65 to 70 ° Sh
Abrazívnej gumy podl'a vynálezu sa používá pre zrýchlené laboratórne skúšky abrazívneho opotrebenia a pri jej použití sa zabezpečia podmienky skúšok, ktoré dávajú presnejšie výsledky a vernejšie zodpovedajú prevádzkovým podmienkam, čo je výhodou vynálezu.The abrasive rubber of the present invention is used for accelerated laboratory testing of abrasive wear and provides test conditions that give more accurate results and more faithful to the operating conditions, which is an advantage of the invention.
Predmet vynálezu je ilustrovaný na příklade prevedenia.The invention is illustrated by way of example.
PříkladExample
Vulkanizačná zmes pozostávajúca zo 73 objemových dielov vulkanizačnej zmesi na báze kaučuku a 27 objemových dielov abrazívnych častíc o velkosti 0,25 ažO,5 mm sa premieša a vulkanizuje medzi kalandrovacími valcami vo vulkanizačnom lise. Získá sa vulkanizovaná guma o tvrdosti 67,6 °Sh. Z uvedenej gumy boli zhotovené vzorky pre opotrebenie žabky žacej lišty a odskúšané bolo ich opotrebenie.The vulcanizing composition consisting of 73 parts by volume of a vulcanizing compound based on rubber and 27 parts by volume of 0.25-0.5 mm abrasive particles is mixed and vulcanized between calender rolls in the vulcanizing press. A vulcanized rubber having a hardness of 67.6 ° Sh is obtained. Samples were made from the above rubber for wear on the cutter bar frog and tested for wear.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS82113A CS238407B1 (en) | 1982-01-06 | 1982-01-06 | Abrasive rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS82113A CS238407B1 (en) | 1982-01-06 | 1982-01-06 | Abrasive rubber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS11382A1 CS11382A1 (en) | 1985-04-16 |
| CS238407B1 true CS238407B1 (en) | 1985-11-13 |
Family
ID=5332702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS82113A CS238407B1 (en) | 1982-01-06 | 1982-01-06 | Abrasive rubber |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS238407B1 (en) |
-
1982
- 1982-01-06 CS CS82113A patent/CS238407B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS11382A1 (en) | 1985-04-16 |
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