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
- abrasive rubber
- Prior art date
Links
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 into the field of test wear material for agricultural equipment based on abrasive rubber as well as into the field of rubber technologies. It solves the composition of abrasive rubber, which consists of 20 to 30 parts by volume of abrasive particles with a size of 0.25 to 0.5 mm, which are supplemented up to 100 parts by volume with a binder, which is vulcanized rubber with a hardness of 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE59001168D1 (en) | METHOD FOR PRODUCING A FINE GRAIN MIXTURE HAVING HYDROPHOBIC PROPERTIES. | |
| DE59205467D1 (en) | Process and cutting unit for producing spatial fittings from a prefabricated block of a large-pore material | |
| Abd Kati et al. | Effect of adding some additives and drying method on compressive strength of gypsum products | |
| CS238407B1 (en) | Abrasive rubber | |
| DE3213521A1 (en) | Process for producing porous granules for industrial purposes, and use of such granules | |
| De Larrard et al. | Comparative study of various silica fumes as additives in high-performance cementitious materials | |
| DE69014375T2 (en) | Use of surface-active substances and grinding processes for Portland clinker for the production of gypsum-free cements. | |
| Nami et al. | Use-wear patterns on bone experimental flakers: a preliminary report | |
| DE3537812A1 (en) | Hydraulically hardening binders for road construction and the like | |
| Dearman et al. | Detection of rock material variation by sonic velocity zoning | |
| DE4308906C2 (en) | Hydraulic mixture and its use in the manufacture of pillars | |
| EP0192813A1 (en) | Fountain solution for offset printing plates | |
| DE69104893T2 (en) | Molded calcium silicate articles and process for their manufacture. | |
| Manguriu et al. | Physical and mechanical properties of mangrove from Kilifi in Kenya | |
| Hale Jr | Taxonomy and distribution of the Parmelia flaventior group (Lichens: Parmeliaceae) | |
| Dolar-Mantuani | —Soundness and Deleterious Substances | |
| GB658524A (en) | Improvements in or relating to wood fiber materials and methods and devices for producting such materials | |
| Tryon et al. | Three methods of determining hardness of increment core segments | |
| Mushtaq et al. | Effect Of Carbon Fiber In Rigid Pavement Partially Replacing Cement With Marble Dust | |
| Patterson | Comments on Wear Rates of Lithictool Edges | |
| Mandujano et al. | Provenance and use wears of Pre-Hispanic obsidian scrapers from Metztitlan, Hidalgo, Mexico | |
| Feret | Researches Into the Nature of Puzzolanic Reactions and Materials | |
| DE2908657C2 (en) | Method for determining the cement content and the content of aggregates in fresh concrete | |
| Borkar et al. | Physical Parameters of Self Curing Concrete | |
| DE3006012C2 (en) |