JP4096203B2 - Method for processing wheel bearing device - Google Patents

Method for processing wheel bearing device Download PDF

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JP4096203B2
JP4096203B2 JP2005132656A JP2005132656A JP4096203B2 JP 4096203 B2 JP4096203 B2 JP 4096203B2 JP 2005132656 A JP2005132656 A JP 2005132656A JP 2005132656 A JP2005132656 A JP 2005132656A JP 4096203 B2 JP4096203 B2 JP 4096203B2
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bearing device
wheel bearing
flange portion
wheel
inner ring
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JP2005280703A (en
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義明 長沢
輝行 川合
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JTEKT Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture

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  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Description

本発明は、自動車等のホィ−ル（車輪）を取り付ける車軸と車体との間に装着されるホィ−ル用軸受装置の加工方法に関する。   The present invention relates to a method for processing a wheel bearing device that is mounted between an axle to which a wheel (wheel) of an automobile or the like is attached and a vehicle body.

自動車のホィ−ルを取り付ける車軸と車体との間には、図５（Ａ）に示すようなホィ−ル用軸受装置が装着される。このようなホィ−ル用軸受装置は、車輪側に固定されるハブ（内側部材）２１と、該ハブ２１の軸本体部２１ｃに嵌合固定される内輪部材２２ａ，２２ｂと、車体側に固定されるフランジ部２３ａを設けた外輪（外側部材）２３と、該外輪２３と前記ハブの軸本体部２１ｃとの間に配置される転動体である玉２５と、前記内輪部材２２ａ，２２ｂを軸本体部２１ｃに固定するナット２４と、シ−ル部材２６等で構成される。前記ハブ２１のフランジ部２１ａには、ホィ−ルと共にブレ−キディスク（共に図示省略）がボルト２８によって取り付けられる。この場合、該ボルト２８にはセレ−ション２８ａが設けてあり、ハブ２１のフランジ部２１ａのボルト穴２１ｇとセレ−ション嵌合させてある。   A wheel bearing device as shown in FIG. 5 (A) is mounted between an axle for mounting a wheel of an automobile and a vehicle body. Such a wheel bearing device has a hub (inner member) 21 fixed to the wheel side, inner ring members 22a and 22b fitted and fixed to the shaft main body 21c of the hub 21, and fixed to the vehicle body side. An outer ring (outer member) 23 provided with a flange portion 23a, a ball 25 which is a rolling element disposed between the outer ring 23 and the shaft main body portion 21c of the hub, and the inner ring members 22a and 22b. It comprises a nut 24 fixed to the main body 21c, a seal member 26, and the like. A brake disk (both not shown) is attached to the flange portion 21a of the hub 21 by bolts 28 together with a wheel. In this case, the bolt 28 is provided with a selection 28a, and is selection-fitted with the bolt hole 21g of the flange portion 21a of the hub 21.

また、図５（Ｂ）に示すように、前記ハブ２１において、内輪部材２２ａ、２２ｂを圧入する軸本体部２１ｃの表面２１ｂと、ブレ−キディスクの取り付け面であるフランジ部２１ａの片側面２１ｄとは、極力直角となるように旋削加工されるが、これらの面はワンチャックで同時加工することができる。従って、ハブ２１の軸本体部２１ｃの表面２１ｂは研磨加工が不要なため上記旋削加工が最終工程となる。このような同時旋削加工により軸受部に対するブレ−キディスク取り付け面である片側面２１ｄの『面振れ』を抑えることができる。   Further, as shown in FIG. 5B, in the hub 21, a surface 21b of the shaft main body portion 21c into which the inner ring members 22a and 22b are press-fitted, and a side surface 21d of the flange portion 21a which is a mounting surface of the brake disc. Are turned so as to be as perpendicular as possible, but these surfaces can be simultaneously processed with one chuck. Therefore, since the surface 21b of the shaft main body 21c of the hub 21 does not need to be polished, the turning process is the final process. By such simultaneous turning, it is possible to suppress “surface runout” of the one side surface 21d that is a brake disk mounting surface with respect to the bearing portion.

ホィ−ル用軸受装置には、図６（Ａ）に示すように、軸本体部３１ｃの表面３１ｂを軌道面として該軸本体部３１ｃ端部に段付加工を施し、内輪部材３２を圧入したハブ（内側部材）３１と、車体側に固定されるフランジ部３３ａを設けた外輪（外側部材）３３と、玉３５と、該内輪部材３２固定用ナット３４、等で構成されるホィ−ル用軸受装置もある（所謂第３世代のホィ−ル用軸受装置）。このようなホィ−ル用軸受装置においては、図４（Ｂ）に示すように、軸本体部３１ｃの表面３１ｂとハブ３１のフランジ部３１ａの片側面３１ｄとはワンチャックで同時に旋削加工することができるが、ブレ−キディスク取付面となるフランジ部３１ａの片側面３１ｄと、軸本体部３１ｃの軌道面となる表面３１ｂは研磨加工が必要となる。この場合の研磨加工方法は、例えば図７（Ａ）に示すように、軸本体３１ｃの軌道面３１ｂを砥石４０で研磨した後、図７（Ｂ）に示すように、フランジ部３１ａの片側面３１ｄを砥石５０で研磨加工する。しかし、軸受部に対するブレ−キディスク取り付け面３１ｄの『面振れ』を抑えることは困難である。従って、研磨加工時のチャック精度（ワ−クの取付精度も含む）が悪くなり、軌道面３１ｂに対するフランジ部３１ａの片側面３１ｄの『面振れ』に悪影響を及ぼすことになる。 In the wheel bearing device, as shown in FIG. 6 (A), the surface 31b of the shaft main body 31c is used as a raceway surface, the end of the shaft main body 31c is stepped, and the inner ring member 32 is press-fitted. For a wheel comprising a hub (inner member) 31, an outer ring (outer member) 33 provided with a flange portion 33a fixed to the vehicle body side, a ball 35, an inner ring member 32 fixing nut 34, and the like. There is also a bearing device (a so-called third generation wheel bearing device). Such Hoi - in Le bearing apparatus, as shown in FIG. 4 (B), that turning simultaneously with one chuck and one side 31d of the flange portion 31a of the surface 31b and the hub 31 of the shaft body portion 31c However, the one side surface 31d of the flange portion 31a serving as the brake disk mounting surface and the surface 31b serving as the raceway surface of the shaft main body portion 31c need to be polished. In this case, for example, as shown in FIG. 7A, after polishing the raceway surface 31b of the shaft body 31c with the grindstone 40, as shown in FIG. 7B, one side surface of the flange portion 31a. 31d is polished by the grindstone 50. However, it is difficult to suppress “surface runout” of the brake disk mounting surface 31d with respect to the bearing portion. Accordingly, the chuck accuracy (including the work mounting accuracy) at the time of polishing processing is deteriorated, and the “surface runout” of the one side surface 31d of the flange portion 31a with respect to the raceway surface 31b is adversely affected.

この発明は上記する課題に対処するためになされたものであり、ハブのフランジ部のブレ−キディスク取付面と軸本体部の軸受部との直角度に振れを生じさせることなく、即ち、『面振れ』を起こすことなく研磨加工が可能であり、加工工数も低減することのできるホィ−ル用軸受装置の加工方法を提供することを目的としている。   The present invention has been made to cope with the above-described problems, and does not cause a vibration in the perpendicularity between the brake disk mounting surface of the flange portion of the hub and the bearing portion of the shaft main body portion. An object of the present invention is to provide a method of processing a wheel bearing device that can be polished without causing "surface runout" and can reduce the number of processing steps.

即ち、この発明は、上記する課題を解決するために、添付図（図１および図２）の符号を用いて説明すると、請求項１に記載の発明は、ホィ−ル用軸受装置の加工方法が、ブレーキディスクが取付けられるフランジ部（３１ａ）と一方の内輪軌道面とが外周面に一体に形成された軸本体部（３１ｃ）とこの軸本体部の端部に形成された段付加工部に圧入され外周面に他方の内輪軌道面（３２ｂ）が形成された内輪部材（３２）とを備えた内側部材（３１）と、内周面に複列の外輪軌道面（３３ｂ）を備えた外側部材（３３）と、前記内側部材（３１）と外側部材（３３）との間に配置される複列の転動体（３５）と、を備えたホィール用軸受装置の加工方法において、
前記ホィール用軸受装置は、軸本体部（３１ｃ）と内側部材（３１）と外側部材（３３）と転動体（３５）とを組み立てた状態で、前記外側部材（３３）を固定し、前記内側部材（３１）を回転させながら前記フランジ部（３１ａ）の前記ブレーキディスク取付け面（３１ｄ）を旋削加工することを特徴とするものである。 That is, the present invention will be described with reference to the attached drawings (FIGS. 1 and 2) in order to solve the above-described problems. The invention according to claim 1 is a method for processing a wheel bearing device. The flange portion (31a) to which the brake disk is attached and the one inner ring raceway surface are integrally formed on the outer peripheral surface. The shaft body portion (31c) is formed on the end portion of the shaft body portion. An inner member (31) provided with an inner ring member (32) in which the other inner ring raceway surface (32b) is formed on the outer peripheral surface and a double row outer ring raceway surface (33b) on the inner peripheral surface. In a method for processing a wheel bearing device, comprising: an outer member (33); and a double row rolling element (35) disposed between the inner member (31) and the outer member (33).
The wheel bearing device fixes the outer member (33) in a state where the shaft main body (31c), the inner member (31), the outer member (33), and the rolling element (35) are assembled. the flange while rotating the member (31) said brake disk mounting surface of (31a) to (31d) is characterized in that turning.

更に、請求項２に記載の発明は、前記内側部材（３１）は、前記軸本体部（３１ｃ）の前記フランジ部側の端面に形成された凹部（３１ｈ）に係止された回転軸（４３）により回転されていることを特徴とする請求項１に記載のホィール用軸受装置の加工方法であることを特徴とするものである。 Furthermore, in the invention according to claim 2 , the inner member (31) is a rotating shaft (43) locked to a recess (31h) formed on an end surface of the shaft main body portion (31c) on the flange portion side. The wheel bearing device machining method according to claim 1, wherein the wheel bearing device machining method is provided.

更に請求項３に記載の発明は、前記回転軸（４３）は、前記内輪部材（３１）の前記凹部（３１ｈ）に設けられたケレ部（３１ｉ）に係止されていることを特徴とする請求項２に記載のホィール用軸受装置の加工方法であることを特徴とするものである。 Furthermore, the invention described in claim 3 is characterized in that the rotating shaft (43) is locked to a ledge (31i) provided in the recess (31h) of the inner ring member (31). It is a processing method of the wheel bearing device of Claim 2, It is characterized by the above-mentioned.

上記発明によれば、このホィ−ル軸受装置において、ハブのフランジ部のブレ−キディスク取付面と軸本体部の軸受部の直角度の『振れ』を究極的に抑えることが可能となる。   According to the above invention, in this wheel bearing device, it is possible to ultimately suppress the “runout” of the perpendicularity between the brake disk mounting surface of the flange portion of the hub and the bearing portion of the shaft main body portion.

以下、この発明の具体的実施の形態について図面を参照して説明する。
ホィ−ル用軸受装置のブレ−キディスク取付面となるハブ３１のフランジ部３１ａの片側面３１ｄの加工方法として、図８に示すように各構成部品を組み立てた後、組加工する。この加工方法は、組立状態にあるホィ−ル用軸受装置の外輪部３３をパワ−チャック４１で固定すると共に、ハブ３１の凹部３１ｈに設けたケレ部３１ｉに回転軸４３を係止させ、回転駆動してバイト４２でハブ３１のフランジ部３１ａの片側面３１ｄを旋削加工するものである。 Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.
As a method for processing one side surface 31d of the flange portion 31a of the hub 31 serving as a brake disk mounting surface of the wheel bearing device, assembling is performed after assembling each component as shown in FIG. In this processing method, the outer ring portion 33 of the wheel bearing device in the assembled state is fixed by the power chuck 41, and the rotating shaft 43 is locked to the knurl portion 31i provided in the concave portion 31h of the hub 31, so that the rotation is performed. The one side surface 31d of the flange portion 31a of the hub 31 is turned by driving and is turned.

図１は、この発明のホィ−ル用軸受装置の加工方法を実施する場合の第１の参考形態の縦断面図である。この加工方法を実施するホィ−ル用軸受装置は、所謂第３世代に属するもので、ホィ−ル（図示省略）やブレ−キディスク７を取り付けるフランジ部１ａと軸受部の内輪軌道面１ｂを形成する軸本体部１ｃとを備えた内側部材であるハブ１と、該軸本体部１ｃに圧入される内輪部材２と、車体側に取り付けられるフランジ部３ａを設け軸受部の軌道面を備えた外側部材である外輪３と、転動体である玉５と、前記内輪部材２を軸本体部に固定するナット４と、前記ブレ−キディスク７を固定するボルト８と、ホィ−ル（図示省略）をフランジ部１ａに固定するためのボルト９等、で構成される。尚、６は密封用シ−ルである。 FIG. 1 is a longitudinal cross-sectional view of a first reference embodiment when the wheel bearing device machining method of the present invention is carried out . A wheel bearing device for carrying out this processing method belongs to the so-called third generation, and includes a flange portion 1a for mounting a wheel (not shown) and a brake disc 7, and an inner ring raceway surface 1b of the bearing portion. A hub 1 that is an inner member provided with a shaft main body portion 1c to be formed, an inner ring member 2 that is press-fitted into the shaft main body portion 1c, and a flange portion 3a that is attached to the vehicle body side are provided with a raceway surface of the bearing portion. An outer ring 3 that is an outer member, a ball 5 that is a rolling element, a nut 4 that fixes the inner ring member 2 to the shaft body, a bolt 8 that fixes the brake disc 7, and a wheel (not shown) ) And the like for a bolt 9 for fixing to the flange portion 1a. Reference numeral 6 denotes a sealing seal.

ホィ−ル及びブレ−キディスクは、ハブ１のフランジ部１ａに固定して取り付けられるが、ハブ１の軸本体部１ｃの軌道面１ｂと、従来ブレ−キディスクを取り付けていたフランジ部１ａの外側面１ｄとは、その直角度を維持した状態で同時に研磨加工することは困難である。
そこで、図１に示すように、内側部材であるハブ１のフランジ部１ａのインボ−ド側（車体内側）Ａにブレ−キディスク７を取り付け、アウトボ−ド側（車体外側）Ｂにホィ−ルを取り付けるようにすればフランジ部１ａのインボ−ド側Ａの面１ｅと軸本体部１ｃの軌道面１ｂとは直角度を維持して研磨加工することができる。
即ち、図２に示すように、砥石１０は、フランジ部１ａのインボ−ド側Ａの面１ｅを研磨する面１０ａと軸本体部１ｃの軌道面１ｂを研磨する面１０ｂとを直角に成形加工することが出来るので、『面振れ』を抑え直角度を維持した状態でこれらの面をワンチャックで同時に研磨加工することができる。 The wheel and brake disc are fixedly attached to the flange portion 1a of the hub 1, but the raceway surface 1b of the shaft main body portion 1c of the hub 1 and the flange portion 1a to which the conventional brake disc is attached. It is difficult to simultaneously polish the outer surface 1d while maintaining the perpendicularity.
Therefore, as shown in FIG. 1, a brake disc 7 is attached to the inboard side (vehicle body inner side) A of the flange portion 1a of the hub 1 which is an inner member, and the wheel is connected to the outboard side (vehicle body outer side) B. If the rod is attached, the surface 1e on the inboard side A of the flange portion 1a and the raceway surface 1b of the shaft main body portion 1c can be polished while maintaining a squareness.
That is, as shown in FIG. 2, the grindstone 10 is formed by forming a surface 10a for polishing the surface 1e on the inboard side A of the flange portion 1a and a surface 10b for polishing the raceway surface 1b of the shaft body 1c at right angles. Therefore, it is possible to polish these surfaces simultaneously with one chuck while suppressing the “surface runout” and maintaining the squareness.

所で、ハブ１のインボ−ド側Ａにブレ−キディスク７を取り付け、アウトボ−ド側Ｂにホィ−ルを取り付けるようにすると、ブレ−キディスク取付用のボルト８とホィ−ル取付用のボルト９とが必要となる。このように、ブレ−キディスク取付用のボルト８とホィ−ル取付用のボルト９とを別々に必要とすると、フランジ部１ａにはこれらのボルト本数分の穴加工が必要となる。また、アウトボ−ド側Ｂのフランジ面１ｄにブレ−キディスク取付用のボルト８の頭部が出張らないようザグリ加工が必要となる等形状は複雑化し、加工工数も増加する等コスト的にも不利となる。このような問題は、次の第２の実施の形態によって解決することができる。   When the brake disc 7 is attached to the inboard side A of the hub 1 and the wheel is attached to the outboard side B, the bolt 8 for attaching the brake disc and the wheel are attached. Bolt 9 is required. Thus, if the brake disk mounting bolt 8 and the wheel mounting bolt 9 are separately required, the flange portion 1a needs to be drilled by the number of bolts. Further, the shape of the counterbore that is necessary to prevent the head of the bolt 8 for mounting the brake disk from traveling on the flange surface 1d on the outboard side B is complicated, and the number of processing steps is increased. Is also disadvantageous. Such a problem can be solved by the following second embodiment.

図３（Ａ）は、この発明の加工方法の第２の参考形態を示す縦断面図であり、図３（Ｂ）は、図３（Ａ）のＰ部拡大図である。この加工方法を実施するホィ−ル用軸受装置は、ホィ−ル（図示省略）やブレ−キディスク１７を取り付けるフランジ部１１ａと軸受部の内輪軌道面１１ｂを形成する軸本体部１１ｃとを備えた内側部材となるハブ１１と、該軸本体部１１ｃに圧入される内輪部材１２と、車体側に取り付けられるフランジ部１３ａを設け軸受部の軌道面を備えた外側部材である外輪１３と、転動体である玉１５と、前記内輪部材１２を軸本体部に固定するナット１４と、前記ブレ−キディスク１７及びホィ−ル（図示省略）をフランジ部１１ａに固定するための複数本のボルト１８と、で構成される。 FIG. 3 (A) is a longitudinal sectional view showing a second reference embodiment of the processing method of the present invention, and FIG. 3 (B) is an enlarged view of a portion P in FIG. 3 (A). A wheel bearing device for carrying out this processing method includes a flange portion 11a for mounting a wheel (not shown) and a brake disc 17, and a shaft main body portion 11c for forming an inner ring raceway surface 11b of the bearing portion. A hub 11 serving as an inner member, an inner ring member 12 that is press-fitted into the shaft main body 11c, a flange portion 13a that is attached to the vehicle body side, an outer ring 13 that is an outer member provided with a raceway surface of the bearing portion, A ball 15 as a moving body, a nut 14 for fixing the inner ring member 12 to the shaft main body portion, and a plurality of bolts 18 for fixing the brake disc 17 and a wheel (not shown) to the flange portion 11a. And.

この第２の加工方法を実施する参考形態のホィ−ル用軸受装置においても、内側部材であるハブ１１のフランジ部１１ａのインボ−ド側（車体内側）Ａにブレ−キディスク１７を取り付け、アウトボ−ド側（車体外側）Ｂにホィ−ルを取り付ける。よって、フランジ部１１ａのインボ−ド側Ａの面１１ｅと軸本体部１１ｃの軌道面１１ｂとは直角度を維持して研磨加工することができる。
即ち、図４に示すように、砥石２０は、フランジ部１１ａのインボ−ド側Ａの面１１ｅを研磨する面２０ａと軸本体部１１ｃの軌道面１１ｂを研磨する面２０ｂとを直角に成形加工することが出来るので、『面振れ』を抑え直角度を維持した状態でこれらの面をワンチャックで同時に研磨加工することができる。 Also in the wheel bearing device of the reference embodiment for carrying out the second processing method, the brake disc 17 is attached to the inboard side (vehicle body inner side) A of the flange portion 11a of the hub 11 which is an inner member. Install a wheel on the outboard side (outside the vehicle body) B. Therefore, the surface 11e on the inboard side A of the flange portion 11a and the raceway surface 11b of the shaft main body portion 11c can be polished while maintaining a squareness.
That is, as shown in FIG. 4, the grindstone 20 is formed by forming a surface 20a for polishing the surface 11e on the inboard side A of the flange portion 11a and a surface 20b for polishing the raceway surface 11b of the shaft body portion 11c at right angles. Therefore, it is possible to polish these surfaces simultaneously with one chuck while suppressing the “surface runout” and maintaining the squareness.

この第２の加工方法を実施する参考形態のホィ−ル用軸受装置では、前記ボルト１８は、ブレ−キディスク１７固定用とホィ−ル固定用とを兼用している。そして該ボルト１８は、ブレ−キディスク１７をフランジ部１１ａに固定するための左ねじ部１８ａと、該左ねじ部１８ａに連なる先に、ホィ−ルをフランジ部１１ａに固定するための右ねじ１８ｂとが形成されている。従って、前記ハブ１１のフランジ部１１ａにはボルト１８の左ねじ部１８ａに螺合させるための左雌ねじ１１ｇが設けてある。この場合、該ボルト１８のブレ−キディスク１７を固定するための左ねじ部１８ａのねじ径は、ホィ−ルを固定するための右ねじ部１８ｂの径よりも大きくしてある。即ち、フランジ部１１ａにブレ−キディスク１７とホィ−ルを取り付ける場合、インボ−ド側Ａのフランジ面１１ｅにブレ−キディスク１７を取り付け、左ねじ部１８ｂを有するボルト１８を締め付ける。そして次に該ボルト１８の右ねじ部１８ｂにホィ−ルを取り付け締め付ける。この場合、ホィ−ル締め付け時に、ブレ−キディスク１７はフランジ部１１ａに左ねじ１８ａで締め付けられているので緩む力は働かない。ホィ−ル取外し時には、ブレ−キディスク１７を固定している左ねじ部１８ａのねじ径がホィ−ルを取り付けている右ねじ部１８ｂよりも大きいためブレ−キディスク１７は緩まない。 In the wheel bearing device according to the reference embodiment for carrying out the second processing method , the bolt 18 serves both for fixing the brake disk 17 and for fixing the wheel. The bolt 18 includes a left screw portion 18a for fixing the brake disk 17 to the flange portion 11a, and a right screw for fixing the wheel to the flange portion 11a at the end connected to the left screw portion 18a. 18b. Accordingly, the flange portion 11a of the hub 11 is provided with a left female screw 11g to be screwed into the left screw portion 18a of the bolt 18. In this case, the screw diameter of the left screw portion 18a for fixing the brake disc 17 of the bolt 18 is larger than the diameter of the right screw portion 18b for fixing the wheel. That is, when the brake disc 17 and the wheel are attached to the flange portion 11a, the brake disc 17 is attached to the flange surface 11e on the inboard side A, and the bolt 18 having the left screw portion 18b is tightened. Then, a wheel is attached and tightened to the right thread portion 18b of the bolt 18. In this case, since the brake disc 17 is fastened to the flange portion 11a with the left screw 18a at the time of tightening the wheel, the loosening force does not work. When the wheel is removed, the brake disk 17 is not loosened because the screw diameter of the left screw part 18a to which the brake disk 17 is fixed is larger than that of the right screw part 18b to which the wheel is attached.

尚、上記第２の参考形態において、ブレ−キディスク１７及びホィ−ルを固定するためのボルト１８は、ブレ−キディスク１７をフランジ部１８ａに固定するための左ねじ部１８ａを右ねじとし、ホィ−ルを固定するための右ねじ部１８ｂを左ねじとしてもよい。即ち、前記ボルト１８において、ブレ−キディスク１７をフランジ部１１ａに固定するための大径ねじ部、即ち１８ａと、ホィ−ルを固定するための小径ねじ部、即ち１８ｂとは逆ねじとすればよい。また、上記実施の形態では回転する内側部材であるハブ１１のフランジ部１１ａにブレ−キディスクやホィ−ルを取り付ける場合について説明したが、内側部材のハブ１（１１）のフランジ部１ａ（１１ａ）を固定（車体）側とし、外側部材である外輪３（１３）を回転側としてフランジ部３ａ（１３ａ）にブレ−キディスクやホィ−ルを取り付ける場合にも適用することができる。   In the second reference embodiment, the bolt 18 for fixing the brake disc 17 and the wheel has a left screw portion 18a for fixing the brake disc 17 to the flange portion 18a as a right screw. The right-hand thread portion 18b for fixing the wheel may be a left-hand thread. That is, in the bolt 18, the large-diameter screw portion for fixing the brake disc 17 to the flange portion 11a, that is, 18a, and the small-diameter screw portion for fixing the wheel, that is, 18b, are reverse screws. That's fine. In the above embodiment, the case where a brake disk or a wheel is attached to the flange portion 11a of the hub 11 which is a rotating inner member has been described. However, the flange portion 1a (11a) of the hub 1 (11) of the inner member is described. ) On the fixed (vehicle body) side, and the outer ring 3 (13), which is an outer member, is on the rotating side, and can also be applied to a case where a brake disk or wheel is attached to the flange portion 3a (13a).

以上詳述したように、この発明のホィ−ル用軸受装置の加工方法によれば、ホィ−ル軸受装置において、ハブのフランジ部のブレ−キディスク取付面と軸本体部の軸受部の直角度の『振れ』を究極的に抑えることが可能となる。また、ブレ−キディスク取付用のボルトとホィ−ル取付用のボルトとを兼用することが可能となり、加工工数を簡単にしてコストも低減することが可能となる。更に、ハブのフランジ部に固定しているブレ−キディスクを緩めることなくホィ−ルの着脱が可能となる。   As described above in detail, according to the method for processing a wheel bearing device of the present invention, in the wheel bearing device, the brake disk mounting surface of the hub flange portion and the bearing portion of the shaft main body portion are directly connected. It becomes possible to suppress the “runout” of the angle ultimately. Further, it is possible to use both the brake disk mounting bolt and the wheel mounting bolt, thereby simplifying the processing steps and reducing the cost. Further, the wheel can be attached and detached without loosening the brake disc fixed to the flange portion of the hub.

この発明のホィ−ル用軸受装置の加工方法を実施するホィ−ル用軸受装置の第１の参考形態の縦断面図である。It is a longitudinal cross-sectional view of the 1st reference form of the wheel bearing apparatus which implements the processing method of the wheel bearing apparatus of this invention. この発明のホィ−ル用軸受装置の加工方法を実施する第１の参考形態において、ホィ−ル用軸受装置を構成するハブのフランジ部のインボ−ド側Ａの面と、ハブの軸本体部の軸受軌道面を砥石で同時に直角に加工する状態を示す図である。In the first reference embodiment for carrying out the method for processing a wheel bearing device of the present invention, the surface on the inboard side A of the flange portion of the hub constituting the wheel bearing device, and the shaft main body portion of the hub It is a figure which shows the state which processes the bearing raceway surface of this at a right angle simultaneously with a grindstone. 図３（Ａ）は、この発明のホィ−ル用軸受装置の加工方法を実施するホィ−ル用軸受装置の第２の参考形態を示す縦断面図であり、図３（Ｂ）は、図３（Ａ）のＰ部拡大図である。FIG. 3 (A) is a longitudinal sectional view showing a second reference embodiment of the wheel bearing device for carrying out the processing method of the wheel bearing device of the present invention , and FIG. It is the P section enlarged view of 3 (A). この発明のホィ−ル用軸受装置の加工方法を実施するホィ−ル用軸受装置の第２の参考形態において、このホィ−ル用軸受装置を構成するハブのフランジ部のインボ−ド側Ａの面と、ハブの軸本体部の軸受軌道面を砥石で同時に直角に加工する状態を示す図である。In the second reference embodiment of the wheel bearing device for carrying out the processing method of the wheel bearing device of the present invention, the inboard side A of the flange portion of the hub constituting the wheel bearing device is provided. It is a figure which shows the state which processes the surface and the bearing raceway surface of the shaft main-body part of a hub simultaneously with a grindstone at a right angle. 図５（Ａ）は、従来のホィ−ル用軸受装置の構成を示す縦断面図であり、図５（Ｂ）は、この従来のホィ−ル用軸受装置を構成するハブの旋削加工部分を示す図である。FIG. 5 (A) is a longitudinal sectional view showing the structure of a conventional wheel bearing device, and FIG. 5 (B) shows a turning portion of a hub constituting the conventional wheel bearing device. FIG. 図６（Ａ）は、従来のホィ−ル用軸受装置の構成を示す縦断面図であり、図６（Ｂ）は、この従来のホィ−ル用軸受装置を構成するハブの旋削加工及び研磨加工部分を示す図である。FIG. 6A is a longitudinal sectional view showing the configuration of a conventional wheel bearing device, and FIG. 6B shows the turning and polishing of the hub constituting the conventional wheel bearing device. It is a figure which shows a process part. 図７（Ａ）は従来のホィ−ル用軸受装置を構成するハブにおいて、ハブの軸本体部表面の軌道面を研磨する場合の研磨加工方法を示し、図７（Ｂ）はハブのフランジ部のブレ−キディスク取付面を研磨する場合の研磨加工方法を示す図である。FIG. 7A shows a polishing method in the case of polishing the raceway surface of the shaft body portion of the hub in the hub constituting the conventional wheel bearing device, and FIG. 7B shows the flange portion of the hub. It is a figure which shows the grinding | polishing processing method in the case of grind | polishing the brake disk attachment surface of this. この発明のホィ−ル用軸受装置の加工方法の実施の形態の図であって、この発明の加工方法を実施するホィ−ル軸受装置を構成するハブのフランジ部のブレ−キディスク取付面を組加工する状態を示す図である。 What Figure der exemplary embodiment of a processing method of Le bearing device, Hoi implementing the processing method of the present invention - - Hoi of the invention key disk mounting surface - blurring of the flange portion of the hub constituting the Le bearing device It is a figure which shows the state which carries out assembly processing.

符号の説明Explanation of symbols

１、１１ 内側部材（ハブ）
１ａ、１１ａ フランジ部
１ｂ、１１ｂ 軸本体部の軌道面
１ｃ、１１ｃ 軸本体部
２、１２ 内輪部材
３、１３ 外側部材（外輪）
３ａ、１３ａ フランジ部
４、１４ ナット
５ 玉
７、１７ ブレ−キディスク
８、９ ボルト
１０、２０ 砥石
１８ ボルト
１８ａ ボルトの大径部
１８ｂ ボルトの小径部
３１ 内側部材（ハブ）
３１ａ フランジ部
３１ｃ 軸本体部
３１ｄ フランジ部の片側面
３１ｈ 凹部
３１ｉ ケレ部
３３ 外側部材
４３ 回転軸 1,11 within side member (hub)
1a, 11a Flange 1b, 11b Shaft surface of shaft body 1c, 11c Shaft body 2, 12 Inner ring member 3, 13 Outer member (outer ring)
3a, 13a Flange part 4, 14 Nut 5 Ball 7, 17 Brake disk 8, 9 Bolt 10, 20 Grinding wheel 18 Bolt 18a Large diameter part of bolt 18b Small diameter part of bolt 31 Inner member (hub)
31a Flange portion 31c Shaft body portion 31d One side surface of flange portion 31h Recessed portion 31i Kele portion 33 Outer member 43 Rotating shaft

Claims (3)

ブレーキディスクが取付けられるフランジ部と一方の内輪軌道面とが外周面に一体に形成された軸本体部とこの軸本体の端部に形成された段付加工部に圧入され外周面に他方の内輪軌道面が形成された内輪部材とを備えた内側部材と、内周面に複列の外輪軌道面を備えた外側部材と、前記内側部材と外側部材との間に配置される複列の転動体と、を備えたホィール用軸受装置の加工方法において、 前記ホィール用軸受装置は、軸本体部と内輪部材と外側部材と転動体とを組み立てた状態で、前記外側部材を固定し、前記内側部材を回転させながら前記フランジ部の前記ブレーキディスク取付け面を旋削加工することを特徴としたホィ−ル軸受装置の加工方法。 A flange portion to which a brake disk is attached and one inner ring raceway surface are press-fitted into a shaft main body portion formed integrally with the outer peripheral surface and a stepped machining portion formed at the end of the shaft main body, and the other inner ring is inserted into the outer peripheral surface. An inner member having an inner ring member formed with a raceway surface, an outer member having a double row outer ring raceway surface on an inner peripheral surface, and a double row rolling member disposed between the inner member and the outer member. In the processing method of the wheel bearing device including the moving body, the wheel bearing device fixes the outer member in a state where the shaft main body portion, the inner ring member, the outer member, and the rolling member are assembled. A method for processing a wheel bearing device, comprising turning the brake disk mounting surface of the flange portion while rotating a member. 前記内輪部材は、前記軸本体部の前記フランジ部側の端面に形成された凹部に係止された回転軸により回転されていることを特徴とする請求項１に記載のホィール用軸受装置の加工方法。 2. The wheel bearing device according to claim 1 , wherein the inner ring member is rotated by a rotation shaft that is locked to a recess formed in an end surface of the shaft main body portion on the flange portion side. Method. 前記回転軸は、前記内輪部材の前記凹部に設けられたケレ部に係止されていることを特徴とする請求項２に記載のホィール用軸受装置の加工方法。 3. The method for processing a wheel bearing device according to claim 2, wherein the rotating shaft is locked to a ledge provided in the recess of the inner ring member.
JP2005132656A 2005-04-28 2005-04-28 Method for processing wheel bearing device Expired - Fee Related JP4096203B2 (en)

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JP4943019B2 (en) * 2006-02-24 2012-05-30 Ｎｔｎ株式会社 Manufacturing method of wheel bearing device
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