JP2000015718A - Bush mounting member and its production - Google Patents

Bush mounting member and its production

Info

Publication number
JP2000015718A
JP2000015718A JP10186438A JP18643898A JP2000015718A JP 2000015718 A JP2000015718 A JP 2000015718A JP 10186438 A JP10186438 A JP 10186438A JP 18643898 A JP18643898 A JP 18643898A JP 2000015718 A JP2000015718 A JP 2000015718A
Authority
JP
Japan
Prior art keywords
bush
bush mounting
mounting hole
peripheral surface
extruded material
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP10186438A
Other languages
Japanese (ja)
Other versions
JP3226496B2 (en
Inventor
Rentaro Kato
錬太郎 加藤
Yuichi Ogawa
雄一 小川
Masatoshi Enomoto
正敏 榎本
Naoki Nishikawa
直毅 西川
Masaharu Tochigi
雅晴 栃木
Seirei Kawada
斉礼 川田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Riko Co Ltd
Showa Aluminum Can Corp
Original Assignee
Sumitomo Riko Co Ltd
Showa Aluminum Corp
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 Sumitomo Riko Co Ltd, Showa Aluminum Corp filed Critical Sumitomo Riko Co Ltd
Priority to JP18643898A priority Critical patent/JP3226496B2/en
Publication of JP2000015718A publication Critical patent/JP2000015718A/en
Application granted granted Critical
Publication of JP3226496B2 publication Critical patent/JP3226496B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/04Connecting-rod bearings; Attachments thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10Constructional features of arms
    • B60G2206/11Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70Materials used in suspensions
    • B60G2206/71Light weight materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80Manufacturing procedures
    • B60G2206/81Shaping
    • B60G2206/8105Shaping by extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a bush mounting member capable of firmly fitting a bush to a bush mounting hole by enhancing the degree of adhesion of the outer peripheral surface of the bush and the inner peripheral surface of the bush mounting member. SOLUTION: In a bush mounting member 1, the inner peripheral surface of a bush mounting hole 5 is roughened by mechanical brushing. The bush mounting member 1 is produced by cutting a extruded material 11 in a slice form within the plane crossing an extrusion axial direction. In the production of the bush mounting member 1, the inner peripheral surface of the hole 15 corresponding to the bush mounting hole in the extruded material is roughened by mechanical brushing and the extruded material is subsequently cut into a slice form.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、例えば自動車に
用いられるサスペンションアーム、エンジンマウント等
のブッシュ装着用部材及びその製造方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a member for mounting a bush such as a suspension arm and an engine mount used in an automobile and a method of manufacturing the same.

【0002】[0002]

【従来の技術】例えば自動車用部品として用いられるブ
ッシュ装着用部材の一つに、金属製サスペンションアー
ム用部材がある。
2. Description of the Related Art One of the bush mounting members used as, for example, automobile parts is a metal suspension arm member.

【0003】このサスペンションアーム用部材(51)
は、図8に示すように、棒状の本体(52)と、該本体
(52)の両端あるいは片端に設けられ、ブッシュ装着
孔(55)(55)を有する円筒状のブラケット(5
4)(54)とから構成されている。そして、ゴム製の
防振ブッシュ(A)(A)を前記ブラケット(54)
(54)のブッシュ装着孔(55)(55)に圧入する
ことにより、該防振ブッシュ(A)(A)が装着されて
いる。なお、前記本体(52)には、軽量化等を目的と
した複数個の貫通孔(53)…が設けられている。
The suspension arm member (51)
As shown in FIG. 8, a cylindrical bracket (5) provided on a rod-shaped main body (52) and both ends or one end of the main body (52) and having bush mounting holes (55) and (55).
4) and (54). Then, the rubber anti-vibration bush (A) (A) is connected to the bracket (54).
The anti-vibration bushes (A) and (A) are mounted by press-fitting into the bush mounting holes (55) and (55) of (54). The main body (52) is provided with a plurality of through holes (53) for the purpose of weight reduction and the like.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、このよ
うにブッシュ(A)をブッシュ装着孔(54)に圧入し
ただけでは、ブッシュ(A)の外周面とブッシュ装着孔
(54)の内周面との密着度があまり高くないため、ブ
ッシュ(A)がブッシュ装着孔(54)から抜けてしま
う虞がある。
However, merely press-fitting the bush (A) into the bush mounting hole (54) as described above requires only the outer peripheral surface of the bush (A) and the inner peripheral surface of the bush mounting hole (54). Is not so high, the bush (A) may fall out of the bush mounting hole (54).

【0005】この発明は、このような難点に鑑みてなさ
れたもので、ブッシュの外周面とブッシュ装着孔の内周
面との密着度を高くして、ブッシュをブッシュ装着孔に
しっかりと装着することのできるブッシュ装着用部材及
びその製造方法を提供することを目的とする。
The present invention has been made in view of such difficulties, and the degree of adhesion between the outer peripheral surface of the bush and the inner peripheral surface of the bush mounting hole is increased so that the bush is securely mounted in the bush mounting hole. It is an object of the present invention to provide a bush mounting member and a method of manufacturing the same.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するた
め、この発明に係るブッシュ装着用部材は、ブッシュ装
着孔の内周面が機械的ブラッシングにより粗面化されて
いることを特徴とする。
In order to achieve the above object, a bush mounting member according to the present invention is characterized in that the inner peripheral surface of the bush mounting hole is roughened by mechanical brushing.

【0007】これによれば、ブッシュ装着孔の内周面を
粗面化することにより、アンカー効果が増大する。すな
わち、ブッシュをブッシュ装着孔に装着すると、ブッシ
ュ装着孔の内周面に形成された微細な凹凸がブッシュの
外周面に食い込んで、ブッシュの外周面とブッシュ装着
孔の内周面との密着度が高くなる。このため、ブッシュ
がブッシュ装着孔にしっかりと装着される。
[0007] According to this, by roughening the inner peripheral surface of the bush mounting hole, the anchor effect is increased. That is, when the bush is mounted in the bush mounting hole, fine irregularities formed on the inner peripheral surface of the bush mounting hole bite into the outer peripheral surface of the bush, and the degree of adhesion between the outer peripheral surface of the bush and the inner peripheral surface of the bush mounting hole is reduced. Will be higher. Therefore, the bush is securely mounted in the bush mounting hole.

【0008】また、この発明に係るブッシュ装着用部材
の製造方法は、押出素材を押出軸線方向と交差する平面
内でスライス状に切断することにより、ブッシュ装着孔
を有するブッシュ装着用部材を製造するのに際し、前記
押出素材における前記ブッシュ装着孔に対応する孔の内
周面を、機械的ブラッシングにより粗面化し、次いでこ
の押出素材をスライス状に切断することを特徴とする。
In the method of manufacturing a bush mounting member according to the present invention, a bush mounting member having a bush mounting hole is manufactured by cutting an extruded material into slices in a plane intersecting the extrusion axis direction. At this time, the inner peripheral surface of the hole corresponding to the bush mounting hole in the extruded material is roughened by mechanical brushing, and the extruded material is cut into slices.

【0009】これによれば、ブッシュ装着孔対応孔の内
周面が粗面化された押出素材をスライス切断することに
より、ブッシュ装着用部材を得ることができるから、上
記のような優れたアンカー効果を有するブッシュ装着用
部材を、能率的にかつコスト的に有利に製造することが
できる。
According to this, the bush mounting member can be obtained by slicing and cutting the extruded material whose inner peripheral surface of the bush mounting hole corresponding hole is roughened. An effective bush mounting member can be efficiently and cost-effectively manufactured.

【0010】[0010]

【発明の実施の形態】次に、この発明の実施形態を図面
に基づいて説明する。
Next, an embodiment of the present invention will be described with reference to the drawings.

【0011】図1〜図5はこの発明の第1実施形態、図
6及び図7はこの発明の第2実施形態を示している。
FIGS. 1 to 5 show a first embodiment of the present invention, and FIGS. 6 and 7 show a second embodiment of the present invention.

【0012】まず、第1実施形態について説明する。First, a first embodiment will be described.

【0013】図3において、(1)はブッシュ装着用部
材としてのサスペンションアーム用部材である。
In FIG. 3, (1) is a suspension arm member as a bush mounting member.

【0014】このアーム用部材(1)は、アルミニウム
(その合金を含む、以下同じ)押出形材からなるもので
あって、同図の鎖線に示すように、所定の断面形状を有
するアルミニウム押出素材(11)を、押出軸線方向と
直交する平面内で所定厚さにスライス状に切断すること
によって製造されたものである。
The arm member (1) is made of extruded aluminum (including the alloy thereof, the same applies hereinafter) and has an aluminum extruded material having a predetermined cross-sectional shape as shown by a chain line in FIG. It is manufactured by cutting (11) into a slice at a predetermined thickness in a plane perpendicular to the extrusion axis direction.

【0015】このアーム用部材(1)は、所定長さを有
する断面方形の棒状の本体(2)の両端に、円形のブッ
シュ装着孔(5)(5)を有する円筒型のブラケット
(4)(4)が一体に形成されているものである。ま
た、前記本体(2)には、軽量化等を目的とした、押出
軸線方向に貫通した複数個の貫通孔(3)…が形成され
ている。
The arm member (1) is a cylindrical bracket (4) having circular bush mounting holes (5) (5) at both ends of a rod-shaped main body (2) having a predetermined length and a rectangular cross section. (4) is formed integrally. The main body (2) is formed with a plurality of through holes (3) penetrating in the extrusion axis direction for the purpose of weight reduction or the like.

【0016】この実施形態は、前記押出素材(11)を
スライス状に切断する前に、まず押出素材(11)にお
けるブッシュ装着孔に対応する孔(15)の内周面を粗
面化し、次いでこの押出素材(11)をスライス切断す
ることによって、前記のアーム用部材(1)を製造しよ
うとするものである。なお、同図中、(12)は押出素
材(11)における前記本体(2)に対応する部位、
(14)(14)は同じく押出素材(11)における前
記ブラケット(4)に対応する部位、また(13)…は
押出素材(11)における前記貫通孔(3)に対応する
孔である。
In this embodiment, before cutting the extruded material (11) into slices, first, the inner peripheral surface of the hole (15) corresponding to the bush mounting hole in the extruded material (11) is roughened. The extruded material (11) is slice-cut to manufacture the arm member (1). In the figure, (12) is a portion of the extruded material (11) corresponding to the main body (2),
(14) and (14) are portions of the extruded material (11) corresponding to the bracket (4), and (13)... Are holes corresponding to the through holes (3) of the extruded material (11).

【0017】この押出素材(11)のブッシュ装着孔対
応孔(15)の粗面化は、機械的ブラッシングにより行
われる。すなわち、図1に示すように、棒状の柄(2
1)の先端部に多数本のフィラメント(22a)…が植
えつけられたブラシ(20)を用い、該ブラシ(20)
のフィラメント部(22)をブッシュ装着孔対応孔(1
5)に挿入する。そして、図2に示すように、フィラメ
ント(22a)…をブッシュ装着孔対応孔(15)の内
周面に接触させた状態で、該ブラシ(20)を前後に動
かしたり回転させたりして、ブッシュ装着孔対応孔(1
5)の内周面をブラッシングすることによって、ブッシ
ュ装着孔対応孔(15)の内周面の粗面化を行うことが
できる。
The roughening of the bush mounting hole corresponding hole (15) of the extruded material (11) is performed by mechanical brushing. That is, as shown in FIG.
Using a brush (20) in which a number of filaments (22a) are implanted at the tip of 1), the brush (20) is used.
Of the filament portion (22) of the bush mounting hole (1).
Insert in 5). Then, as shown in FIG. 2, the brush (20) is moved back and forth or rotated while the filament (22a) is in contact with the inner peripheral surface of the bush mounting hole corresponding hole (15). Bush mounting hole corresponding hole (1
By brushing the inner peripheral surface of 5), the inner peripheral surface of the bush mounting hole corresponding hole (15) can be roughened.

【0018】前記ブラシ(20)のフィラメント(22
a)の材質としては、例えば、ステンレス線、ピアノ
線、黄銅線、硬銅線等の金属線や、ナイロン線、アラミ
ド線等の化学繊維線を用いることができ、特に化学繊維
線中に砥粒が混入されているもの、即ち耐磨耗性に優れ
ているものを用いることが望ましい。また、フィラメン
ト(22a)の線径としては、目的とする粗面化の程度
に合わせて選択することができるが、特に0.1〜1.
5mmのものを用いるのが望ましい。
The filament (22) of the brush (20)
As the material of a), for example, a metal wire such as a stainless steel wire, a piano wire, a brass wire, a hard copper wire, or a chemical fiber wire such as a nylon wire or an aramid wire can be used. It is desirable to use one in which grains are mixed, that is, one having excellent wear resistance. The wire diameter of the filament (22a) can be selected according to the desired degree of surface roughening, but is particularly preferably 0.1 to 1.
It is desirable to use a 5 mm one.

【0019】次いで、この押出素材(11)をスライス
切断することにより、図3に示された所期するアーム用
部材(1)を得ることができる。なお、同図中、ブッシ
ュ装着孔(5)及びその対応孔(15)の内周面のハッ
チングは、ブラッシングにより粗面化されていることを
示している。
Next, the extruded material (11) is slice-cut to obtain the desired arm member (1) shown in FIG. In the figure, hatching on the inner peripheral surface of the bush mounting hole (5) and the corresponding hole (15) indicates that the surface is roughened by brushing.

【0020】そして、図4に示すように、このアーム用
部材(1)のブッシュ装着孔(5)に、ブッシュ(A)
を圧入する。この圧入によって、ブッシュ装着孔(5)
の内周面にブラッシングにより形成された多数の微細な
凹凸が、ブッシュ(A)の外周面に食い込み、このため
ブッシュ(A)の外周面とブッシュ装着孔(5)の内周
面との密着度が高くなって、ブッシュ(A)がブッシュ
装着孔(5)にしっかりと装着される。なお、この圧入
に際し、ブッシュ(A)の外周面には接着剤を付着させ
ておくことが密着度をより高くすることができる点で望
ましい。
As shown in FIG. 4, a bush (A) is inserted into the bush mounting hole (5) of the arm member (1).
Press-fit. By this press-fitting, the bush mounting hole (5)
Many fine irregularities formed by brushing on the inner peripheral surface of the bush (A) bite into the outer peripheral surface of the bush (A), so that the outer peripheral surface of the bush (A) and the inner peripheral surface of the bush mounting hole (5) adhere. As the degree increases, the bush (A) is securely mounted in the bush mounting hole (5). At the time of this press-fitting, it is desirable that an adhesive be adhered to the outer peripheral surface of the bush (A) in that the degree of adhesion can be further increased.

【0021】以上のようにして得られたアーム用部材
(1)は、ブッシュ(A)がブッシュ装着孔(5)にし
っかりと装着されているから、ブッシュ(A)がブッシ
ュ装着孔(5)から不本意に外れる虞がないといった利
点を有している。
In the arm member (1) obtained as described above, since the bush (A) is firmly mounted in the bush mounting hole (5), the bush (A) is connected to the bush mounting hole (5). There is an advantage that there is no possibility of unintentionally deviating from.

【0022】さらに、このアーム用部材(1)は、前記
ブッシュ装着孔対応孔(15)が粗面化された押出素材
(11)をスライス切断することによって製造されたも
のであるから、これを能率的にかつコスト的に有利に製
造することができるという利点を有している。
Further, the arm member (1) is manufactured by slicing the extruded material (11) having the bush mounting hole corresponding hole (15) roughened. It has the advantage that it can be manufactured efficiently and cost-effectively.

【0023】ここで、表面を粗面化する方法の一つにシ
ョットブラストがあり、このショットブラストは表面を
能率的に粗面化することができるという利点を有してい
る。しかしながら、このショットブラストによれば、シ
ョットが孔の内周面に当たるようにするために、必ず押
出素材(11)を所定厚さ以下にスライス切断しなけれ
ばならない。つまり、押出素材(11)をスライス切断
した後でなければ、ショットブラストにより粗面化する
ことができない。一方、この実施形態では、上記したよ
うな機械的ブラッシングにより粗面化を行うものである
から、押出素材(11)のままで粗面化を行うことがで
き、この結果、上記したような利点、すなわちアーム用
部材(1)を能率的にかつコスト的に有利に製造できる
という利点を有するものとなる。
Here, shot blast is one of the methods for roughening the surface, and this shot blast has an advantage that the surface can be roughened efficiently. However, according to this shot blast, the extruded material (11) must be slice-cut to a predetermined thickness or less so that the shot hits the inner peripheral surface of the hole. That is, the surface of the extruded material (11) cannot be roughened by shot blasting unless it is sliced. On the other hand, in this embodiment, since the surface is roughened by mechanical brushing as described above, the surface roughening can be performed with the extruded material (11) as it is. That is, there is an advantage that the arm member (1) can be manufactured efficiently and cost-effectively.

【0024】次いで、図5に示すように、このアーム用
部材(1)のブラケット(4)を絞ってブッシュ装着孔
(5)の径を減少させることが望ましい。この絞り加工
は、割り型のプレス金型(30)…をブラケット(4)
の外周面の略全周に当て、これらプレス金型(30)…
によりブラケット(4)の外周面を押圧することによ
り、遂行することができる。この絞り加工によって、ブ
ッシュ装着孔(5)の内周面の前記微細凹凸がブッシュ
(A)の外周面に更に深く食い込み、このためブッシュ
(A)の外周面とブッシュ装着孔(5)の内周面との密
着度が更に高くなり、この結果、ブッシュ(A)がブッ
シュ装着孔(5)により一層しっかりと装着されること
となる。
Next, as shown in FIG. 5, it is desirable to reduce the diameter of the bush mounting hole (5) by squeezing the bracket (4) of the arm member (1). This drawing process is performed by using a split press die (30) ... bracket (4).
These press dies (30) ...
This can be achieved by pressing the outer peripheral surface of the bracket (4). By this drawing, the fine irregularities on the inner peripheral surface of the bush mounting hole (5) bite deeper into the outer peripheral surface of the bush (A). The degree of adhesion to the peripheral surface is further increased, and as a result, the bush (A) is more securely mounted in the bush mounting hole (5).

【0025】次に、図6及び図7に示された第2実施形
態について説明する。
Next, a second embodiment shown in FIGS. 6 and 7 will be described.

【0026】この第2実施形態は、押出素材(11)の
ブッシュ装着孔対応孔(15)の内周面の初期状態が相
違すること以外は上記第1実施形態と同じである。以
下、この相違点を中心に第2実施形態を説明する。
This second embodiment is the same as the first embodiment except that the initial state of the inner peripheral surface of the bush mounting hole corresponding hole (15) of the extruded material (11) is different. Hereinafter, the second embodiment will be described focusing on this difference.

【0027】この第2実施形態における押出素材(1
1)のブッシュ装着孔対応孔(15)の内周面には、図
6に示すように、その全周に亘ってローレット目状の多
数の刻み目(16)…が押出軸線方向に沿って形成され
ている。これら刻み目(16)…は、押出の際に、マン
ドレルの周面に設けられた多数の凸部によって、形成さ
れたものである。
The extruded material (1) in the second embodiment
As shown in FIG. 6, a large number of knurled notches (16) are formed on the inner peripheral surface of the corresponding bush mounting hole (15) along the extrusion axis direction. Have been. These notches (16) are formed by a large number of convex portions provided on the peripheral surface of the mandrel during extrusion.

【0028】この押出素材(11)を用い、そのブッシ
ュ装着孔対応孔(15)の内周面を、上記第1実施形態
と同様に、前記ブラシ(22)を用いた機械的ブラッシ
ングによって粗面化する。この機械的ブラッシングによ
り、図7に示すように、刻み目(16)…の表面には、
微細な凹凸(17)…が形成されることとなる。
Using this extruded material (11), the inner peripheral surface of the bush mounting hole corresponding hole (15) is roughened by mechanical brushing using the brush (22) as in the first embodiment. Become As a result of this mechanical brushing, as shown in FIG.
Fine irregularities (17) are formed.

【0029】次いで、この押出素材(11)をスライス
切断することによって、所期するアーム用部材を得るこ
とができる。
Next, the extruded material (11) is slice-cut to obtain a desired arm member.

【0030】こうして得られたアーム用部材は、そのブ
ッシュ装着孔の内周面に刻み目(16)…が形成されて
いるから、このブッシュ装着孔にブッシュ(A)を圧入
した場合に、刻み目(16)にブッシュ(A)が食い込
むとともに、この刻み目(16)の表面に形成されたブ
ラッシングによる微細凹凸(17)…がブッシュ(A)
の外周面に食い込むものとなる。このため、ブッシュ
(A)の外周面とブッシュ装着孔の内周面との密着度が
一段と高くなる。したがって、ブッシュ(A)をブッシ
ュ装着孔に、よりしっかりと装着することができる。
The arm member thus obtained has notches (16)... Formed on the inner peripheral surface of the bush mounting hole. Therefore, when the bush (A) is pressed into the bush mounting hole, the notch (16) is formed. 16) is cut into the bush (A), and fine irregularities (17)... Formed by brushing are formed on the surface of the notch (16).
Will be cut into the outer peripheral surface. For this reason, the degree of adhesion between the outer peripheral surface of the bush (A) and the inner peripheral surface of the bush mounting hole is further increased. Therefore, the bush (A) can be more securely mounted in the bush mounting hole.

【0031】次いで、上記の割り型のプレス金型(3
0)…によりブラケットの絞り加工を行い、ブッシュ
(A)の外周面とブッシュ装着孔の内周面との密着度を
更に高くする。これによって、ブッシュ(A)がブッシ
ュ装着孔に更により一層しっかりと装着されることとな
る。
Next, a press die (3
In step 0), the drawing of the bracket is performed to further increase the degree of adhesion between the outer peripheral surface of the bush (A) and the inner peripheral surface of the bush mounting hole. As a result, the bush (A) is mounted even more firmly in the bush mounting hole.

【0032】以上この発明の二つの実施形態を説明した
が、この発明はこれら実施形態に限定されるものではな
い。
Although the two embodiments of the present invention have been described above, the present invention is not limited to these embodiments.

【0033】例えば、ブッシュ装着用部材は、エンジン
マウント用部材であっても良いし、また鋳物、鍛造、ダ
イキャスト等から製造されていても良い。
For example, the bush mounting member may be an engine mount member, or may be manufactured from a casting, forging, die casting, or the like.

【0034】また、ブッシュ装着用部材のブラケット
は、その一部に開口部が形成され、該開口部においてブ
ッシュ装着孔が拡開状態に開口可能となされるととも
に、このブッシュ装着孔にブッシュを挿入した後、前記
開口部を閉じることにより、ブッシュ装着孔の内周面が
ブッシュの外周面に密着してブッシュをブッシュ装着孔
に嵌着固定するものとなされた巻締め式のものであって
も良い。
An opening is formed in a part of the bracket of the bush mounting member, and the bush mounting hole can be opened in the opening at the opening, and the bush is inserted into the bush mounting hole. After that, by closing the opening, the inner peripheral surface of the bush mounting hole is in close contact with the outer peripheral surface of the bush, and the bush is fitted and fixed in the bush mounting hole. good.

【0035】[0035]

【発明の効果】上述の次第で、この発明に係るブッシュ
装着用部材によれば、ブッシュ装着孔の内周面が機械的
ブラッシングにより粗面化されているので、アンカー効
果が増大し、このためブッシュの外周面とブッシュ装着
孔の内周面との密着度を高くし得て、ブッシュをブッシ
ュ装着孔にしっかりと装着することができる。
As described above, according to the bush mounting member according to the present invention, the inner peripheral surface of the bush mounting hole is roughened by mechanical brushing, so that the anchor effect is increased. The degree of adhesion between the outer peripheral surface of the bush and the inner peripheral surface of the bush mounting hole can be increased, and the bush can be securely mounted in the bush mounting hole.

【0036】また、この発明に係るブッシュ装着用部材
の製造方法によれば、押出素材を押出軸線方向と交差す
る平面内でスライス状に切断することにより、ブッシュ
装着孔を有するブッシュ装着用部材を製造するのに際
し、前記押出素材における前記ブッシュ装着孔に対応す
る孔の内周面を、機械的ブラッシングにより粗面化し、
次いでこの押出素材をスライス状に切断することを特徴
とすることから、上記のような優れたアンカー効果を有
するブッシュ装着用部材を、能率的にかつコスト的に有
利に製造することができる。
According to the method of manufacturing a bush mounting member according to the present invention, the extruded material is cut into slices in a plane intersecting the direction of the extrusion axis, so that the bush mounting member having the bush mounting hole is cut. Upon manufacturing, the inner peripheral surface of a hole corresponding to the bush mounting hole in the extruded material is roughened by mechanical brushing,
Then, since the extruded material is cut into slices, the bush mounting member having the excellent anchor effect as described above can be efficiently and cost-effectively manufactured.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この発明の第1実施形態を示す押出素材の斜視
図である。
FIG. 1 is a perspective view of an extruded material showing a first embodiment of the present invention.

【図2】同押出素材におけるブッシュ装着孔に対応する
孔をブラッシングする途中の斜視図である。
FIG. 2 is a perspective view in the middle of brushing a hole corresponding to a bush mounting hole in the extruded material.

【図3】同押出素材をスライス切断することにより製造
されたサスペンションアーム用部材(ブッシュ装着用部
材)の斜視図である。
FIG. 3 is a perspective view of a suspension arm member (a bush mounting member) manufactured by slicing the extruded material.

【図4】(a)は同アーム用部材のブッシュ装着孔にブ
ッシュを圧入する途中の斜視図、(b)はブッシュを圧
入した後の斜視図である。
FIG. 4A is a perspective view in the middle of press-fitting a bush into a bush mounting hole of the arm member, and FIG. 4B is a perspective view after the bush is press-fitted.

【図5】同アーム用部材のブラケットの絞り加工を示す
正面図である。
FIG. 5 is a front view showing drawing of a bracket of the arm member.

【図6】この発明の第2実施形態を示す押出素材の斜視
図である。
FIG. 6 is a perspective view of an extruded material showing a second embodiment of the present invention.

【図7】同押出素材におけるブッシュ装着孔に対応する
孔をブラッシングする途中の斜視図である。
FIG. 7 is a perspective view in the middle of brushing a hole corresponding to a bush mounting hole in the extrusion material.

【図8】従来のサスペンションアーム用部材(ブッシュ
装着用部材)の斜視図である。
FIG. 8 is a perspective view of a conventional suspension arm member (a bush mounting member).

【符号の説明】[Explanation of symbols]

1…サスペンションアーム用部材(ブッシュ装着用部
材) 5…ブッシュ装着孔 11…押出素材 15…ブッシュ装着孔対応孔 16…刻み目 20…ブラシ A…ブッシュ
DESCRIPTION OF SYMBOLS 1 ... Member for suspension arms (member for bush mounting) 5 ... Bush mounting hole 11 ... Extruded material 15 ... Corresponding hole for bush mounting hole 16 ... Notch 20 ... Brush A ... Bush

───────────────────────────────────────────────────── フロントページの続き (72)発明者 小川 雄一 愛知県小牧市大字北外山字哥津3600番地 東海ゴム工業株式会社内 (72)発明者 榎本 正敏 堺市海山町6丁224番地 昭和アルミニウ ム株式会社内 (72)発明者 西川 直毅 堺市海山町6丁224番地 昭和アルミニウ ム株式会社内 (72)発明者 栃木 雅晴 堺市海山町6丁224番地 昭和アルミニウ ム株式会社内 (72)発明者 川田 斉礼 堺市海山町6丁224番地 昭和アルミニウ ム株式会社内 Fターム(参考) 3D001 AA17 BA01 DA04 DA08 3J033 AA04 AB04 AC01 DA10 4F213 AD03 AF07 AH14 AH17 WA53 WA60 WA63 WA73  ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yuichi Ogawa Komaki-shi, Aichi 3600 Gezu, Kita-gaiyama Tokai Rubber Industries Co., Ltd. (72) Inventor Masatoshi Enomoto 224 Kaiyamacho, Sakai-shi (72) Inventor Naoki Nishikawa, 224 Kaiyamacho, Sakai City Showa Aluminum Co., Ltd. (72) Inventor Masaharu Tochigi 6,224 Kaiyamacho, Sakai City, Showa Aluminum Co., Ltd. (72) Inventor Sairei Kawada 224 Kaiyamacho, Sakai City Showa Aluminum Co., Ltd. F-term (reference) 3D001 AA17 BA01 DA04 DA08 3J033 AA04 AB04 AC01 DA10 4F213 AD03 AF07 AH14 AH17 WA53 WA60 WA63 WA73

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 ブッシュ装着孔(5)の内周面が機械的
ブラッシングにより粗面化されていることを特徴とする
ブッシュ装着用部材。
1. A member for mounting a bush, wherein an inner peripheral surface of the bush mounting hole (5) is roughened by mechanical brushing.
【請求項2】 押出素材(11)を押出軸線方向と交差す
る平面内でスライス状に切断することにより、ブッシュ
装着孔(5)を有するブッシュ装着用部材(1)を製造
するのに際し、 前記押出素材(11)における前記ブッシュ装着孔に対応
する孔(15)の内周面を、機械的ブラッシングにより粗
面化し、次いでこの押出素材をスライス状に切断するこ
とを特徴とするブッシュ装着用部材の製造方法。
2. A method for manufacturing a bush mounting member (1) having a bush mounting hole (5) by cutting the extruded material (11) into a slice in a plane intersecting with the direction of the extrusion axis. A bush mounting member characterized in that the inner peripheral surface of a hole (15) corresponding to the bush mounting hole in the extruded material (11) is roughened by mechanical brushing, and then the extruded material is cut into slices. Manufacturing method.
JP18643898A 1998-07-01 1998-07-01 Method of manufacturing bush mounting member Expired - Fee Related JP3226496B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18643898A JP3226496B2 (en) 1998-07-01 1998-07-01 Method of manufacturing bush mounting member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18643898A JP3226496B2 (en) 1998-07-01 1998-07-01 Method of manufacturing bush mounting member

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2001174427A Division JP2002048115A (en) 2001-06-08 2001-06-08 Bush inserting member

Publications (2)

Publication Number Publication Date
JP2000015718A true JP2000015718A (en) 2000-01-18
JP3226496B2 JP3226496B2 (en) 2001-11-05

Family

ID=16188458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18643898A Expired - Fee Related JP3226496B2 (en) 1998-07-01 1998-07-01 Method of manufacturing bush mounting member

Country Status (1)

Country Link
JP (1) JP3226496B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001214920A (en) * 2000-02-03 2001-08-10 Showa Denko Kk Member for arm
EP1138896A2 (en) 2000-03-30 2001-10-04 Nissan Motor Company, Limited Auto-ignition of gasoline engine by varying exhaust gas retaining duration
WO2006059595A1 (en) * 2004-11-30 2006-06-08 Japan Science And Technology Agency Method of producing connecting rod with bearing, and connecting rod with bearing
JP2006170455A (en) * 2006-03-17 2006-06-29 Hitachi Metals Techno Ltd Chain structure
CN106369093A (en) * 2016-09-20 2017-02-01 奇瑞汽车股份有限公司 Rear shaft bushing used for adjustment and having adjustable rigidity

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001214920A (en) * 2000-02-03 2001-08-10 Showa Denko Kk Member for arm
EP1138896A2 (en) 2000-03-30 2001-10-04 Nissan Motor Company, Limited Auto-ignition of gasoline engine by varying exhaust gas retaining duration
WO2006059595A1 (en) * 2004-11-30 2006-06-08 Japan Science And Technology Agency Method of producing connecting rod with bearing, and connecting rod with bearing
EP1830077A1 (en) * 2004-11-30 2007-09-05 Japan Science and Technology Agency Method of producing connecting rod with bearing, and connecting rod with bearing
US7836592B2 (en) 2004-11-30 2010-11-23 Japan Science And Technology Agency Method of producing connecting rod with bearing
EP1830077A4 (en) * 2004-11-30 2011-05-04 Japan Science & Tech Agency Method of producing connecting rod with bearing, and connecting rod with bearing
JP2006170455A (en) * 2006-03-17 2006-06-29 Hitachi Metals Techno Ltd Chain structure
JP4570162B2 (en) * 2006-03-17 2010-10-27 日立機材株式会社 Chain structure
CN106369093A (en) * 2016-09-20 2017-02-01 奇瑞汽车股份有限公司 Rear shaft bushing used for adjustment and having adjustable rigidity
CN106369093B (en) * 2016-09-20 2019-10-11 奇瑞汽车股份有限公司 A kind of adjustable rear axle bushing of rigidity for adjustment

Also Published As

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