JP2016125652A5 - Method for manufacturing split raceway and split raceway - Google Patents
Method for manufacturing split raceway and split raceway Download PDFInfo
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- JP2016125652A5 JP2016125652A5 JP2015002573A JP2015002573A JP2016125652A5 JP 2016125652 A5 JP2016125652 A5 JP 2016125652A5 JP 2015002573 A JP2015002573 A JP 2015002573A JP 2015002573 A JP2015002573 A JP 2015002573A JP 2016125652 A5 JP2016125652 A5 JP 2016125652A5
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- split
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- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 3
- 230000002093 peripheral Effects 0.000 description 1
Description
本発明は、分割型軸受に使用される分割型軌道輪の製造方法及び分割型軌道輪に関する。 The present invention relates to a method for manufacturing a split-type bearing ring used for a split-type bearing and a split-type race ring .
本発明は、前述した課題に鑑みてなされたものであり、その目的は、素材の板厚寸法公差に依存することなく、高精度の分割型軌道輪を低コストで製作することができる分割型軌道輪の製造方法及び分割型軌道輪を提供することにある。 The present invention has been made in view of the above-described problems, and the purpose thereof is a split type capable of manufacturing a high-precision split type race ring at a low cost without depending on the thickness tolerance of the material. An object of the present invention is to provide a method of manufacturing a raceway and a split raceway .
本発明の上記目的は、下記の構成により達成される。
（１） 板状素材を絞り加工して円筒状素材を形成する工程と、
前記円筒状素材の円周方向に離間する２ヶ所に、軸方向長さ全体に亘って同時にピアス加工することで、一対の軌道輪分割片を形成する工程と、
を備え、
前記一対の軌道輪分割片は、それぞれの周方向端部同士を互いに当接することで円筒状に形成され、
前記絞り加工された前記円筒状素材の外径寸法は、円筒状に組み合わされた前記一対の軌道輪分割片の外径設計値から計算した外周面の周方向長さに対して、前記ピアス加工に使用されるピアスパンチの周方向幅の２倍を足した値を円周率で除した値に設定されることを特徴とする分割型軌道輪の製造方法。
（２） 前記絞り加工は、前記板状素材の板厚の５％〜２０％をしごくことで前記板状素材から前記円筒状素材を形成することを特徴とする（１）に記載の分割型軌道輪の製造方法。
（３） 前記一対の軌道輪分割片の前記周方向両端部は、互いに当接可能な凹形状部と凸形状部とを有し、前記凹形状部及び凸形状部は、１回の前記ピアス加工により形成されることを特徴とする（１）又は（２）に記載の分割型軌道輪の製造方法。
（４） 分割型軸受に使用される分割型軌道輪であって、
前記分割型軌道輪は、２分割された略半円筒状をなす一対の軌道輪分割片の周方向端部を当接させて円筒状に組み合わせ可能であり、
前記軌道輪分割片の径方向内外周面及び軸方向両端面は、研磨により仕上げ加工が施されていることを特徴とする分割型軌道輪。
（５） 前記分割型軌道輪は、前記分割型軸受の外輪であることを特徴とする（４）に記載の分割型軌道輪。
The above object of the present invention can be achieved by the following constitution.
(1) A step of drawing a plate material to form a cylindrical material;
A step of forming a pair of race ring segments by simultaneously piercing over the entire length in the axial direction at two locations spaced apart in the circumferential direction of the cylindrical material; and
With
The pair of race ring split pieces are formed in a cylindrical shape by abutting each circumferential end to each other,
The outer diameter dimension of the drawn cylindrical material is pierced with respect to the circumferential length of the outer circumferential surface calculated from the outer diameter design value of the pair of raceway ring pieces combined in a cylindrical shape. A value obtained by adding twice the circumferential width of the piercing punch used for the above is divided by the circumferential ratio.
(2) The split mold according to (1), wherein the drawing process forms the cylindrical material from the plate material by squeezing 5% to 20% of the plate thickness of the plate material. A method of manufacturing a bearing ring.
(3) Both ends in the circumferential direction of the pair of raceway split pieces have a concave shape portion and a convex shape portion that can come into contact with each other, and the concave shape portion and the convex shape portion are formed by one piercing. The method for manufacturing a split-type bearing ring according to (1) or (2), wherein the method is formed by processing.
(4) A split type bearing ring used for a split type bearing,
The split type raceway ring can be combined into a cylindrical shape by bringing the end portions in the circumferential direction of a pair of raceway split pieces having a substantially semi-cylindrical shape divided into two into contact,
A split type race ring, wherein the radially inner and outer circumferential surfaces and both axial end faces of the race ring segment are finished by polishing.
(5) The split-type track ring according to (4), wherein the split-type track ring is an outer ring of the split-type bearing.
本発明の分割型軌道輪の製造方法によれば、板状素材を絞り加工して円筒状素材を形成する工程と、円筒状素材の円周方向に離間する２ヶ所に、円筒状素材を軸方向長さ全体に亘って同時にピアス加工することで、一対の軌道輪分割片を形成する工程と、を備え、絞り加工された円筒状素材の外径寸法は、円筒状に組み合わされた一対の軌道輪分割片の外径設計値から計算した外周面の周方向長さに対して、ピアス加工に使用されるピアスパンチの周方向幅の２倍を足した値を円周率で除した値に設定されるので、精度の高い分割型軌道輪を低コストで製作することができる。
また、本発明の分割型軌道輪によれば、該分割型軌道輪は、２分割された略半円筒状をなす一対の軌道輪分割片の周方向端部を当接させて円筒状に組み合わせ可能であり、軌道輪分割片の径方向内外周面及び軸方向両端面は、研磨により仕上げ加工が施されているので、精度の高い分割型軌道輪を低コストで提供することができる。
According to the method for manufacturing a split ring according to the present invention, the cylindrical material is pivoted into two steps, the step of drawing the plate material to form the cylindrical material and the two circumferentially spaced portions of the cylindrical material. Forming a pair of race ring segments by simultaneously piercing over the entire length in the direction, and the outside diameter of the drawn cylindrical material is a pair of cylinders combined A value obtained by dividing the value obtained by adding twice the circumferential width of the piercing punch used for piercing with the circumferential ratio, with respect to the circumferential length of the outer circumferential surface calculated from the outer diameter design value of the raceway ring segment. Therefore, it is possible to manufacture a split-type bearing ring with high accuracy at a low cost.
Further, according to the split-type raceway of the present invention, the split-type raceway is combined in a cylindrical shape by bringing the circumferential end portions of the pair of raceway-ring split pieces having a substantially semi-cylindrical shape into two parts into contact with each other. In addition, since the radially inner and outer peripheral surfaces and the axial end surfaces of the raceway split piece are finished by polishing, a highly accurate split raceway can be provided at low cost.
Claims (5)
前記円筒状素材の円周方向に離間する２ヶ所に、軸方向長さ全体に亘って同時にピアス加工することで、一対の軌道輪分割片を形成する工程と、
を備え、
前記一対の軌道輪分割片は、それぞれの周方向端部同士を互いに当接することで円筒状に形成され、
前記絞り加工された前記円筒状素材の外径寸法は、円筒状に組み合わされた前記一対の軌道輪分割片の外径設計値から計算した外周面の周方向長さに対して、前記ピアス加工に使用されるピアスパンチの周方向幅の２倍を足した値を円周率で除した値に設定されることを特徴とする分割型軌道輪の製造方法。 A process of drawing a plate material to form a cylindrical material;
A step of forming a pair of race ring segments by simultaneously piercing over the entire length in the axial direction at two locations spaced apart in the circumferential direction of the cylindrical material; and
With
The pair of race ring split pieces are formed in a cylindrical shape by abutting each circumferential end to each other,
The outer diameter dimension of the drawn cylindrical material is pierced with respect to the circumferential length of the outer circumferential surface calculated from the outer diameter design value of the pair of raceway ring pieces combined in a cylindrical shape. A value obtained by adding twice the circumferential width of the piercing punch used for the above is divided by the circumferential ratio.
前記分割型軌道輪は、２分割された略半円筒状をなす一対の軌道輪分割片の周方向端部を当接させて円筒状に組み合わせ可能であり、The split type raceway ring can be combined into a cylindrical shape by bringing the end portions in the circumferential direction of a pair of raceway split pieces having a substantially semi-cylindrical shape divided into two parts into contact with each other.
前記軌道輪分割片の径方向内外周面及び軸方向両端面は、研磨により仕上げ加工が施されていることを特徴とする分割型軌道輪。A split type race ring, wherein the radially inner and outer circumferential surfaces and both axial end faces of the race ring segment are finished by polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015002573A JP6511816B2 (en) | 2015-01-08 | 2015-01-08 | Manufacturing method of split type bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015002573A JP6511816B2 (en) | 2015-01-08 | 2015-01-08 | Manufacturing method of split type bearing ring |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016125652A JP2016125652A (en) | 2016-07-11 |
| JP2016125652A5 true JP2016125652A5 (en) | 2018-02-15 |
| JP6511816B2 JP6511816B2 (en) | 2019-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015002573A Active JP6511816B2 (en) | 2015-01-08 | 2015-01-08 | Manufacturing method of split type bearing ring |
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| JP (1) | JP6511816B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112135981B (en) * | 2018-04-02 | 2022-07-05 | 日本精工株式会社 | Raceway ring intermediate part of rolling bearing, raceway ring, rolling bearing, and method for manufacturing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2738758B2 (en) * | 1989-12-29 | 1998-04-08 | エヌティエヌ株式会社 | Manufacturing method of two-part bearing |
| DE10135588B4 (en) * | 2000-08-04 | 2011-07-07 | SKF GmbH, 97421 | bearing ring |
| JP2008208896A (en) * | 2007-02-26 | 2008-09-11 | Jtekt Corp | Two-split outer ring and method for manufacturing two-split outer ring |
| CN102149932B (en) * | 2008-09-04 | 2016-11-16 | 光洋轴承北美有限责任公司 | The method manufacturing two-piece bearing ring |
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