SU573335A1 - Composition for making dlamond grinding wheels - Google Patents

Composition for making dlamond grinding wheels

Info

Publication number
SU573335A1
SU573335A1 SU7502160577A SU2160577A SU573335A1 SU 573335 A1 SU573335 A1 SU 573335A1 SU 7502160577 A SU7502160577 A SU 7502160577A SU 2160577 A SU2160577 A SU 2160577A SU 573335 A1 SU573335 A1 SU 573335A1
Authority
SU
USSR - Soviet Union
Prior art keywords
composition
making
dlamond
grinding wheels
iron
Prior art date
Application number
SU7502160577A
Other languages
Russian (ru)
Inventor
Сергей Борисович Евгеньев
Татьяна Васильевна Сурова
Original Assignee
Всесоюзный научно-исследовательский и конструкторско-технологический институт природных алмазов и инструмента
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Всесоюзный научно-исследовательский и конструкторско-технологический институт природных алмазов и инструмента filed Critical Всесоюзный научно-исследовательский и конструкторско-технологический институт природных алмазов и инструмента
Priority to SU7502160577A priority Critical patent/SU573335A1/en
Application granted granted Critical
Publication of SU573335A1 publication Critical patent/SU573335A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • B24D3/08—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for close-grained structure, e.g. using metal with low melting point

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Description

(54) СОСТАВ ДЛЯ ИЗГОТОВЛЕНИЯ АЛМАЗНЫХ КРУГОВ(54) COMPOSITION FOR THE MANUFACTURE OF DIAMOND CIRCLES

Изобретение относитс  к области изготовлени  алмазных инструментов. Известные составы дл  изготовлени  алмазных кругов, включающие кобальт, олово, железо, углерод. Однако они не позвол ют получить необходимую стойкость гшмазного инструмента из-за высоких температур, сопровождающих процесс его изготовле ни . В предлагаемом изобретении-порошки кобальта, оловаг железа и углерода смешиваютс  в соотнс пении (вес.%) обеспечивающем получение сплава с высокой абразивной стойкостью: Олово18 - 19 Железо 5-10 Углерод0,1-0,2 Кобсшьт Остальное. ; Спекание при таком составе может проводитьс  при более низкой темпера туре, создающей благопри тные услови дл  алмазов, что, в- свою очередь, по вышает стойкость инструмента, исполь зуемого дл  силового резани  твердых пород, например, гранита. .Ниже приве ден пример реализации предлагаемого состава Приготавливают смесь порошков исходных компонентов в следующем соотношении, вес. %: Кобальт Олово Железо Углерод Порошки перемешиваютс  в смесителе типа пь на  бочкав течение 2-х ч, После этого производитс  прессование в холодном состо нии с удельным давлением 2,5 тс/см алма&оносных элементов дл  отрезных кругов диаметром 500 мм. Спрессованные злементы спекаютс  в прессформе в муфельной печи при в течение 1 ч. После спекани  производитс  допрессовка в гор чем состо нии с удельным давлением 2,5 хс/см. Полученные таким образом алмазоносные элементы напаиваютс  на круг диаметром 500.мм. Кругом производитс  резка гранита по следующим-режимам: Скорость резани  38 м/сек Скорость подачи 1,5 м/мин глубина реза 40 мм Охлаждение Вод ное. Формула. изобретени  Состав дл  изготовлени  алмазных кругов на основе кобальта, включающий олово, железо, углерод, отличаю84The invention relates to the manufacture of diamond tools. Known compositions for making diamond wheels, including cobalt, tin, iron, carbon. However, they do not allow to obtain the necessary durability of the diamond tool due to the high temperatures accompanying the process of its manufacture. In the proposed invention, cobalt, tin iron and carbon powders are mixed in a singing ratio (wt.%) Providing an alloy with high abrasion resistance: Tin 18 - 19 Iron 5-10 Carbon 0.1-0.2 Cobssht Else. ; Sintering with such a composition can be carried out at a lower temperature, creating favorable conditions for diamonds, which, in turn, increases the durability of the tool used for power cutting of hard rocks, such as granite. Below is an example of the implementation of the proposed composition. A mixture of powders of the starting components is prepared in the following ratio, wt. %: Cobalt Tin Iron Carbon Powders are mixed in a pi-barrel mixer for 2 hours. After that, cold pressing is performed with a specific pressure of 2.5 ton / cm alum & onosic elements for cutting wheels with a diameter of 500 mm. The pressed elements are sintered in a mold in a muffle furnace for 1 hour. After sintering, a pressing is performed in a hot condition with a specific pressure of 2.5 X / cm. The diamondiferous elements thus obtained are soldered on a circle with a diameter of 500 m. The cutting of granite is carried out around by the following modes: Cutting speed 38 m / s. Feed speed 1.5 m / min cutting depth 40 mm Cooling Water. Formula. The invention The composition for the manufacture of diamond wheels based on cobalt, including tin, iron, carbon, differs 84

щ и и с   .тем, что,с с целью повьааё-Углерод 0,1 - О 2u and and with. that, with the purpose of povayaa-Carbon 0,1 - O 2

ни  стойкости инструмента при резкеКобальт Остальное no durability of the tool when cutting the Cobalt Else

гранита, компоненты состава вз ты вИсточники информации, прин тые воgranite, the components of the composition are taken in the sources of information taken in

следующем соотношении, вес. %:внимание при экспертизеthe following ratio, weight. %: attention during examination

б Патент Великобритании 1028307.   b British Patent 1028307.

Железо 5 - 10кл. С 4V , 1966. ,Iron 5 - 10kl. From 4V, 1966.,

573335573335

SU7502160577A 1975-08-04 1975-08-04 Composition for making dlamond grinding wheels SU573335A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU7502160577A SU573335A1 (en) 1975-08-04 1975-08-04 Composition for making dlamond grinding wheels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7502160577A SU573335A1 (en) 1975-08-04 1975-08-04 Composition for making dlamond grinding wheels

Publications (1)

Publication Number Publication Date
SU573335A1 true SU573335A1 (en) 1977-09-25

Family

ID=20628024

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7502160577A SU573335A1 (en) 1975-08-04 1975-08-04 Composition for making dlamond grinding wheels

Country Status (1)

Country Link
SU (1) SU573335A1 (en)

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