KR930010780B1 - Making method of gear - Google Patents

Making method of gear

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Publication number
KR930010780B1
KR930010780B1 KR1019910013154A KR910013154A KR930010780B1 KR 930010780 B1 KR930010780 B1 KR 930010780B1 KR 1019910013154 A KR1019910013154 A KR 1019910013154A KR 910013154 A KR910013154 A KR 910013154A KR 930010780 B1 KR930010780 B1 KR 930010780B1
Authority
KR
South Korea
Prior art keywords
gear
disc
brass
shaft
casting
Prior art date
Application number
KR1019910013154A
Other languages
Korean (ko)
Other versions
KR930002035A (en
Inventor
정운조
Original Assignee
정운조
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 정운조 filed Critical 정운조
Priority to KR1019910013154A priority Critical patent/KR930010780B1/en
Publication of KR930002035A publication Critical patent/KR930002035A/en
Application granted granted Critical
Publication of KR930010780B1 publication Critical patent/KR930010780B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/14Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels

Abstract

The method can manufacture gears precisely by comprising gear threads made of brass that has a good workability. The method comprises three steps: (a) form a shaft with a disc (1) on which many long grooves (4) and ring-shaped grooves (3) are bored out at the first cast; (b) form brass layer (5) at the circumference face of the disc (1); (c) and machine the gear threads from the brass layer. This method forming a shaft and a gear body integrally makes the manufacturing of gear convenient and precise.

Description

감속기용 기어 제조방법Manufacturing method of gears for reducer

제1도는 본 발명의 축부분의 1차 주물 형상을 도시한 사시도.1 is a perspective view showing the primary casting shape of the shaft portion of the present invention.

제2도는 본 발명의 축부분과 기어부분이 주물로 주접된 2차주물 형상을 도시한 사시도.Figure 2 is a perspective view showing a secondary casting shape in which the shaft portion and the gear portion of the present invention is welded to the casting.

제3도는 본 발명의 완성 사시도.3 is a completed perspective view of the present invention.

제4도는 본 발명의 요부 단면도.4 is a cross-sectional view of main parts of the present invention.

제5도는 종래의 물품을 보인 단면도.5 is a cross-sectional view of a conventional article.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 원판 2 : 축1: disc 2: axis

3 : 환형요홈 4 : 장흠3: annular recess 4:

5 : 황동층 6 : 기어산5: brass layer 6: gear mountain

본 발명은 여러분야에서 대량 사용되고 있는 감속기의 주기어의 제조방법에 관한 것으로서, 특히 고가의 황동재를 적게 사용함과 가공성이 용이한 황동재로 기어산을 구성하도록 함으로 정밀한 기어를 제조할 수 있는 감속기용 기어 제조방법에 관한 것이다.The present invention relates to a manufacturing method of a gear of a reducer that is used in large quantities in the field of the user, and in particular, a gear for a reducer that can manufacture a precise gear by using a low-cost brass material and by forming a gear mountain with easy-to-process brass. It relates to a manufacturing method.

종래에는, 1차 주물로서 완성물과 거의 동일하게 축과 기어산이 형성되도록 주조한 후 선반에 의해 정밀 가공함으로서 기어를 생산하고 있으나, 상기 방법에 의한 제작에서는 주물 성형시 기어축과 기어원주에서 정밀성이 결여됨으로 가공작업의 난이성에서 어려움이 있는 문제점이 있고, 또한 주철재의 기어산은 그 마모율이 극도로 많이 발생되는 문제점이 있어 근자에 와서는 주축과 별도로 기어몸체를 구성시켜 제5도에 도시된 바와 같이 키흠(10)과 키(11)을 구성한 황동재 기어(12)를 주철재축(13)에 구성하여 왔다.Conventionally, as a primary casting, the gears are produced by casting the shaft and the gear mountain to be formed almost identically to the finished product, and then precision machining by lathe. There is a problem in the difficulty of the machining operation due to this lack, and also the gear mountain of cast iron has a problem that the wear rate is extremely high, and in the near term, the gear body is formed separately from the main shaft shown in FIG. As described above, the brass gear 12 constituting the key flaw 10 and the key 11 has been formed in the cast iron shaft 13.

상기 방법은 종래 기술에서 진보된 것이라 할것이나 축과 기어몸체를 별도로 구성하는 제작의 난이성에서의 어려움과 고가의 황동이 대량 소모되고 또한 키결합의 불량으로서 정밀성을 요하는 기어박스내에서의 고장율이 큰 문제점을 지적되고 있는 것이다.The above method is advanced in the prior art, but the difficulty in manufacturing difficulty of separately configuring the shaft and the gear body and the expensive brass are consumed, and the failure rate in the gearbox requiring precision as a poor key coupling is required. The big problem is being pointed out.

본 발명은 전기한 바와 같은 제반 문제점을 시정코져하여서 창안된 것으로서 1차 주물에 축과 같이 기어 몸체부를 형성한 후 상기 몸체부의 원판 외주면에 2차의 황동주물에 의한 황동층을 구성, 기어산을 구성하도록 한 것이다.The present invention was made by correcting all the problems as described above, and formed a gear body portion like a shaft in the primary casting, and then formed a brass layer on the outer circumferential surface of the disc of the body by a second brass casting. It was made up.

이를 첨부도면에 의해 상세히 설명한다.This will be described in detail with reference to the accompanying drawings.

제1도 및 제2도에서와 같이 기어원판(1)을 가지는 축(2)을 1차주물 성형하되 상기 몸체의 기어원판(1)의 외주면에 환형의 요흠(3)을 요설한 사방으로 세로 장흠(4)을 다수 형성하고, 이상에 의해 구성된 상기 기어원판(1) 주면에 2차의 황동층(5)을 주물방법에 의해 고착하여 이를 공지의 방법으로 기어산(6)을 가공하도록 되는 것이다.As shown in Figs. 1 and 2, the shaft 2 having the gear disc 1 is primary-casted, but vertically formed in all directions in the form of an annular recess 3 on the outer circumferential surface of the gear disc 1 of the body. Forming a large number of defects (4), by fixing the secondary brass layer (5) to the main surface of the gear disc (1) constituted by the casting method to process the gear mountain (6) by a known method will be.

이를 좀더 상세히 설명하면 제1도에서와 같이 원판(1) 외주면에 환형의 요흠 (3)을 요설하고 다수의 장흠(4)이 형성되도록 상기 원판(1)과 축(2)을 일체로 공지의 방법으로 주물형성하고, 상기에서 제작된 제1도에 도시된 몸체의 원판(1) 주면에는 황동층(5)을 공지방법으로 2차 주물구성 시키되 제2도와 같이 기어산(6)을 구성한 후 공지의 선반 가공에 의해 기어산(6)을 정밀 가공하게 되는 것이다.In more detail, as shown in FIG. 1, the disc 1 and the shaft 2 are integrally known to provide an annular recess 3 on the outer circumferential surface of the disc 1 and to form a plurality of defects 4. After casting the method, the secondary surface of the disk (1) of the body shown in FIG. The gear mountain 6 is precisely processed by known lathe processing.

이와 같이 구성된 기어는 제작이 편리하고 가공작업에서 정밀성을 발휘하도록 가공하는데 매우 편리하다The gears configured in this way are convenient to manufacture and to be processed for precision in machining.

또한 원판(1) 주면의 요흠(3)(4)에 황동주물층이 내삽 결합되어 축부(2)와 기어부가 축방향 및 회전방향으로 이격이완되지 않고 일체화된 효과를 발휘될 수 있어 견고성 또한 매우 높으면서 고가의 황동이 소량 소모되어 저렴한 가격으로 제조될 수 있는 장점이 있다.In addition, the brass casting layer is interpolated to the recesses (3) and (4) of the main surface of the disc (1), so that the shaft portion (2) and the gear portion can be combined with each other in the axial direction and the rotational direction without being spaced apart, thereby achieving an integrated effect. High and expensive brass is consumed in a small amount has the advantage that can be manufactured at a low price.

이와 같이 본 발명은 제작의 편리성과 정밀성 및 견고성을 가지는 기어를 제작함으로서 산업발전에 크게 기여될 수 있는 유용한 발명을 안출한 것이다.As described above, the present invention devises a useful invention that can greatly contribute to industrial development by manufacturing a gear having convenience and precision and robustness of manufacturing.

Claims (1)

원판(1) 외주면에 환형요흠(3)과 장흠(4)이 구비되도록 축(2)과 일체로 1차로 주물 형성한 후, 2차로 상기 원판(1) 외주면에 기어산(6)이 구비되는 황동층(5)을 주물방법으로 고착하여서 공지의 방법으로 정밀 가공함을 특징으로 하는 감속기용 기어 제조방법.After the first casting is formed integrally with the shaft (2) so that the annular recess (3) and the groove (4) on the outer peripheral surface of the disc (1), the gear mount (6) is provided on the outer peripheral surface of the disc (1) A method for manufacturing a gear for a reducer, characterized in that the brass layer (5) is fixed by a casting method and precisely processed by a known method.
KR1019910013154A 1991-07-31 1991-07-31 Making method of gear KR930010780B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910013154A KR930010780B1 (en) 1991-07-31 1991-07-31 Making method of gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910013154A KR930010780B1 (en) 1991-07-31 1991-07-31 Making method of gear

Publications (2)

Publication Number Publication Date
KR930002035A KR930002035A (en) 1993-02-22
KR930010780B1 true KR930010780B1 (en) 1993-11-11

Family

ID=19318039

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910013154A KR930010780B1 (en) 1991-07-31 1991-07-31 Making method of gear

Country Status (1)

Country Link
KR (1) KR930010780B1 (en)

Also Published As

Publication number Publication date
KR930002035A (en) 1993-02-22

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