SU367461A1 - THAT KO ABOUT THE LEADING COMPOSITION - Google Patents
THAT KO ABOUT THE LEADING COMPOSITIONInfo
- Publication number
- SU367461A1 SU367461A1 SU1619922A SU1619922A SU367461A1 SU 367461 A1 SU367461 A1 SU 367461A1 SU 1619922 A SU1619922 A SU 1619922A SU 1619922 A SU1619922 A SU 1619922A SU 367461 A1 SU367461 A1 SU 367461A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- composition
- contact brushes
- leading composition
- carbonaceous materials
- variable resistors
- Prior art date
Links
- 239000003575 carbonaceous material Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052580 B4C Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
1one
Изобретение относитс к области технологии производства радиодеталей и может -быть использовано при изготовлении переменных резисторов.The invention relates to the field of technology for the production of radio components and can be used in the manufacture of variable resistors.
Известна токопровод ща композици дл изготовлени контактных щеток переменных резисторов, содержаща углеродистые материалы И фтористый сополимер.A known conductive composition for the manufacture of contact brushes of variable resistors containing carbonaceous materials and a fluoride copolymer.
Однако известна композици не обеспечивает ВЫСОКОЙ теплостойкости при неизменном значении удельного электрического сопротивлени .However, the known composition does not provide HIGH heat resistance with a constant value of electrical resistivity.
Дл устранени указанного .недостатка в качестве углеродистых материалов предлагаетс использовать сажу, графит, карбид бора , а в качестве фтористого сополимера-фторО|Пласт-40 , вз тые в следующих соотношени х , вес. %:To eliminate this deficiency, carbon black, graphite, boron carbide are proposed to be used as carbonaceous materials, and fluoride | Plast-40 as fluorine copolymer, taken in the following ratios, wt. %:
Сажа32-38Sazh32-38
Графит2-10Graphite2-10
Карбид бора2-5Boron carbide2-5
.Фторопласт-40остальное.Fluoroplastic-40 rest.
Токапровод ща композици , содержаща в качестве св зующего фторопласт-40, обладает высокими антифрикционными свойствами при повышенных температурах и позвол ет повысить рабочую температуру контактных щеток переменных резисторов до 200°С.A current-conducting composition containing fluoroplast-40 binder has high antifriction properties at elevated temperatures and allows an increase in the operating temperature of the contact brushes of variable resistors to 200 ° C.
Контактные щетки на основе предлагаемой токопровод щей композиции изготовл ют методом гор чего прессовани шри температуре 330 -360°С и удельном давлении 2000 - 2500 кг/см. Удельное объемное сопротивление таких контактных щеток (2,5 - -5)-10 мком-м, коэффициент износа от -0,48 до-2,6%.Contact brushes based on the proposed conductive composition are manufactured by hot pressing Shri temperature 330-360 ° C and a specific pressure of 2000 - 2500 kg / cm. The specific volume resistance of such contact brushes (2.5 - -5) -10 mkom-m, the wear coefficient from -0.48 to-2.6%.
Предмет изобретени Subject invention
Токопровод ща композици дл изготовлени контактных щеток переменных резисторов , содержаща углеродистые материалы и фтористый сополимер, отличающа с тем, что, с целью повышени теплостойкости при неизменном значении удельного электрического сопротивлени , в качестве углеродистых материалов используют сажу, графит и карбид бора , а в качестве фтористого сополимера - фторопласт-40, вз тые в следующих соотношени х , вес. %:The conductive composition for the manufacture of contact brushes of variable resistors containing carbonaceous materials and fluoride copolymer, characterized in that, in order to improve heat resistance at a constant value of electrical resistivity, carbon black, graphite and boron carbide are used as carbonaceous materials, and copolymer - fluoroplast-40, taken in the following ratios, wt. %:
32-38 2-10 2-5 остальное.32-38 2-10 2-5 the rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1619922A SU367461A1 (en) | 1971-02-11 | 1971-02-11 | THAT KO ABOUT THE LEADING COMPOSITION |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1619922A SU367461A1 (en) | 1971-02-11 | 1971-02-11 | THAT KO ABOUT THE LEADING COMPOSITION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU367461A1 true SU367461A1 (en) | 1973-01-23 |
Family
ID=20465515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1619922A SU367461A1 (en) | 1971-02-11 | 1971-02-11 | THAT KO ABOUT THE LEADING COMPOSITION |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU367461A1 (en) |
-
1971
- 1971-02-11 SU SU1619922A patent/SU367461A1/en active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3219731A (en) | Process for preparing porous shaped structures of carbon or graphite | |
| SU367461A1 (en) | THAT KO ABOUT THE LEADING COMPOSITION | |
| JPS55109214A (en) | Preparing high-density, high-strength carbonaceous material | |
| US2418812A (en) | Contact element | |
| ES448610A1 (en) | Heating element composition and method for preparing tube fillings of high electrical resistance from fused magnesium oxide for tubular electric heating elements | |
| US2418811A (en) | Contact element | |
| US2465051A (en) | Method of making electrical contact elements | |
| SU536148A1 (en) | The mixture for the manufacture of refractory heat-conducting material | |
| SU400751A1 (en) | ANTIFRICTION {10TH MATERIAL | |
| JPS5935155B2 (en) | Manufacturing method of electrographite brush | |
| JPS5712061A (en) | Polymer composition with ptc characteristics | |
| US942379A (en) | Method of manufacturing dynamo-brushes, &c. | |
| SU640986A1 (en) | Charge for making ceramic material | |
| SU377308A1 (en) | SINTERED ELECTRO-INSULATING MATERIAL BASED ON BORON NITRIDE | |
| GB513265A (en) | Improvements in or relating to compositions comprising silicon carbide | |
| SU287314A1 (en) | ||
| SU405843A1 (en) | REFRACTORY MASS | |
| SU141929A1 (en) | The method of manufacture of low-resistance electric products | |
| SU390048A1 (en) | REFRACTORY MATERIAL | |
| SU134318A1 (en) | A method of manufacturing sliding electrical contacts, mainly inserts, for electrical current collectors | |
| SU1377921A1 (en) | Electrically-conducting composition | |
| SU132308A1 (en) | The method of heat treatment of products from carbon materials | |
| Bagrov | Improved Graphite Materials | |
| GB246716A (en) | Improvements in commutator brushes | |
| SU133960A1 (en) | Carborundum heater |