KR850004994A - Bit for Air Driver - Google Patents

Bit for Air Driver Download PDF

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Publication number
KR850004994A
KR850004994A KR1019830005916A KR830005916A KR850004994A KR 850004994 A KR850004994 A KR 850004994A KR 1019830005916 A KR1019830005916 A KR 1019830005916A KR 830005916 A KR830005916 A KR 830005916A KR 850004994 A KR850004994 A KR 850004994A
Authority
KR
South Korea
Prior art keywords
bit
air driver
alloy steel
hrc
driver
Prior art date
Application number
KR1019830005916A
Other languages
Korean (ko)
Inventor
구본기
Original Assignee
허신구
주식회사 금성사
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 허신구, 주식회사 금성사 filed Critical 허신구
Priority to KR1019830005916A priority Critical patent/KR850004994A/en
Publication of KR850004994A publication Critical patent/KR850004994A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

내용 없음No content

Description

에어 드라이버용 비트Bit for Air Driver

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 비트가 장착된 에어드라이버의 개략도,1 is a schematic diagram of an air driver equipped with a bit,

제2도는 드라이버 비트의 정면도,2 is a front view of the driver bit,

제4도는 본 발명을 적용한 드라이버 비트의 확대 단면경도.4 is an enlarged cross-sectional hardness of the driver bit to which the present invention is applied.

Claims (1)

함금공구강, Cr-Mo 함금강, Ni-Cr-Mo 함금강등으로 가공한 비트에 유효 침탄층의 깊이가 0.2± 0.02㎜가 되도록 침탄처리하여 그 표면경도를 HRC 59±1호로 하고 내부의 경도는 HRC 49±1로 하여수명 성능을 향상시킨 에어드라이버용 비트.Bits processed with alloy steel ball, Cr-Mo alloy steel, Ni-Cr-Mo alloy steel, etc. are carburized so that the effective carburizing layer has a depth of 0.2 ± 0.02 mm and the surface hardness is HRC 59 ± 1. Bit for air driver with HRC 49 ± 1 for improved life performance. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830005916A 1983-12-13 1983-12-13 Bit for Air Driver KR850004994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019830005916A KR850004994A (en) 1983-12-13 1983-12-13 Bit for Air Driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019830005916A KR850004994A (en) 1983-12-13 1983-12-13 Bit for Air Driver

Publications (1)

Publication Number Publication Date
KR850004994A true KR850004994A (en) 1985-08-19

Family

ID=57210813

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830005916A KR850004994A (en) 1983-12-13 1983-12-13 Bit for Air Driver

Country Status (1)

Country Link
KR (1) KR850004994A (en)

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Legal Events

Date Code Title Description
E902 Notification of reason for refusal
E601 Decision to refuse application