RU2012107588A - Абразивный инструмент (варианты) - Google Patents

Абразивный инструмент (варианты) Download PDF

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RU2012107588A
RU2012107588A RU2012107588/02A RU2012107588A RU2012107588A RU 2012107588 A RU2012107588 A RU 2012107588A RU 2012107588/02 A RU2012107588/02 A RU 2012107588/02A RU 2012107588 A RU2012107588 A RU 2012107588A RU 2012107588 A RU2012107588 A RU 2012107588A
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Russia
Prior art keywords
abrasive
abrasive tool
pores
average size
tool according
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RU2012107588/02A
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English (en)
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RU2507056C2 (ru
Inventor
Эммануэль С. ФРАНСУА
Константин С. ЗУЕВ
Маса ДЖИВАНЭНТЭМ
Энн М. БОННЕР
Майкл В. КЛЕТТ
Дин С. МАЦУМОТО
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Сэнт-Гобэн Эбрейзивс, Инк.
Сэн-Гобэн Абразиф
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Publication of RU2012107588A publication Critical patent/RU2012107588A/ru
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
    • B24D5/066—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental with segments mounted axially one against the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
    • B24D5/08—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental with reinforcing means
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    • B32B25/02—Layered products comprising a layer of natural or synthetic rubber with fibres or particles being present as additives in the layer
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

1. Абразивный инструмент, содержащий:тело, содержащееабразивную часть, содержащую абразивные зерна, расположенные в материале матрицы, и пористость, характеризующуюся бимодальным распределением пор, включая крупные поры, имеющие средний размер крупных пор (P), и мелкие поры, имеющие средний размер мелких пор (P), причем P>P;первый усиливающий элемент, содержащийся в абразивной части;иимеющее относительное тепловое расширение в диапазоне температур 25-450°С не более примерно 0,7%.2. Абразивный инструмент по п.1, у которого относительное тепловое расширение составляет не более примерно 0,65%.3. Абразивный инструмент по п.1, у которого относительное тепловое расширение находится в пределах между примерно 0,3% и примерно 0,7%.4. Абразивный инструмент по одному из пп.1, 2 и 3, имеющий относительную разницу между средним размером крупных пор (P) и средним размером мелких пор (P) по меньшей мере 25%, рассчитанную по формуле ((P-P)/P)×100), причем P>P.5. Абразивный инструмент по п.1, у которого относительная разница между средним размером крупных пор и средним размером мелких пор находится в пределах между примерно 75% и примерно 99%.6. Абразивный инструмент по одному из пп.1, 2 и 3, у которого мелкие поры имеют средний размер (P) не более примерно 0,70 мм.7. Абразивный инструмент по одному из пп.1, 2 и 3, у которого крупные поры имеют средний размер (P) по меньшей мере примерно 0,75 мм.8. Абразивный инструмент по одному из пп.1, 2 и 3, у которого тело имеет соотношение геометрических размеров, определенное как отношение диаметра к толщине, по меньшей мере примерно 10:1.9. Абразивный инструмент, содержащий:тело, имеющее:абразивную часть, имеющую абразивные зерна, расположенные

Claims (15)

1. Абразивный инструмент, содержащий:
тело, содержащее
абразивную часть, содержащую абразивные зерна, расположенные в материале матрицы, и пористость, характеризующуюся бимодальным распределением пор, включая крупные поры, имеющие средний размер крупных пор (P1), и мелкие поры, имеющие средний размер мелких пор (Ps), причем P1>Ps;
первый усиливающий элемент, содержащийся в абразивной части;
и
имеющее относительное тепловое расширение в диапазоне температур 25-450°С не более примерно 0,7%.
2. Абразивный инструмент по п.1, у которого относительное тепловое расширение составляет не более примерно 0,65%.
3. Абразивный инструмент по п.1, у которого относительное тепловое расширение находится в пределах между примерно 0,3% и примерно 0,7%.
4. Абразивный инструмент по одному из пп.1, 2 и 3, имеющий относительную разницу между средним размером крупных пор (P1) и средним размером мелких пор (Ps) по меньшей мере 25%, рассчитанную по формуле ((P1-Ps)/P1)×100), причем P1>Ps.
5. Абразивный инструмент по п.1, у которого относительная разница между средним размером крупных пор и средним размером мелких пор находится в пределах между примерно 75% и примерно 99%.
6. Абразивный инструмент по одному из пп.1, 2 и 3, у которого мелкие поры имеют средний размер (Ps) не более примерно 0,70 мм.
7. Абразивный инструмент по одному из пп.1, 2 и 3, у которого крупные поры имеют средний размер (P1) по меньшей мере примерно 0,75 мм.
8. Абразивный инструмент по одному из пп.1, 2 и 3, у которого тело имеет соотношение геометрических размеров, определенное как отношение диаметра к толщине, по меньшей мере примерно 10:1.
9. Абразивный инструмент, содержащий:
тело, имеющее:
абразивную часть, имеющую абразивные зерна, расположенные в материале матрицы, где абразивная часть имеет бимодальное распределение пор, включая крупные поры, имеющие средний размер крупных пор (P1), и мелкие поры, имеющие средний размер мелких пор (Ps), причем P1>Ps, при этом материал матрицы содержит по меньшей мере примерно 60 об.% органического материала; и
первый усиливающий элемент, расположенный в абразивной части.
10. Абразивный инструмент по п.9, у которого тело содержит конусный участок, проходящий по окружности по части периферии тела.
11. Абразивный инструмент по п.10, у которого конусный участок тела имеет среднюю толщину больше средней толщины плоского участка тела.
12. Абразивный инструмент по п.9, у которого материал матрицы содержит смолу, выбранную из группы, состоящей из полиимидов, полиэфиров, полибензимидазолов, полиуретанов, шеллаков, фенолоальдегидных полимеров, эпоксидных смол, эфиров цианата и их сочетания.
13. Абразивный инструмент, содержащий:
тело, имеющее
абразивную часть, содержащую абразивные зерна, расположенные в материале матрицы, крупные поры и мелкие поры, где крупные поры имеют средний размер (P1), и мелкие поры имеют средний размер (Ps), и относительная разница между средним размером крупных пор и средним размером мелких пор составляет по меньшей мере 25% при расчете по формуле ((P1-Ps)/P1)×100), причем P1>Ps;
первый усиливающий элемент, содержащийся в абразивной части;
и
имеющий относительное увеличение коэффициента шлифования G по меньшей мере примерно на 15% по сравнению с обычными абразивными инструментами, при этом относительное увеличение рассчитывается по формуле ((GN-GC)/GC)×100), где GN представляет коэффициент шлифования G абразивного инструмента, имеющего крупные поры и мелкие поры, a GC представляет коэффициент шлифования G обычного абразивного инструмента.
14. Абразивный инструмент по п.13, у которого относительное увеличение коэффициента шлифования G находится в пределах между примерно 15% и примерно 200%.
15. Абразивный инструмент по п.13, у которого первый усиливающий элемент содержит стекловолокно, покрытое фенолоальдегидным полимером.
RU2012107588/02A 2009-08-03 2010-08-03 Абразивный инструмент (варианты) RU2507056C2 (ru)

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