Tooth part manufacturing method, tooth part, and tooth part processing device
A manufacturing method and a technology of a processing device, which are applied in the field of manufacturing of toothed parts, toothed parts and processing devices of toothed parts, and can solve problems such as chipping of cutting tools and heavy loads
Active Publication Date: 2020-08-28
AISIN CORP
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- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, in the cup-shaped member described in Patent Document 2, the thickness of the opening end of the cylindrical portion is increased by forming a smooth outer peripheral portion, so when cutting the opening end for adjusting the axial length of the cylindrical portion, it may be intermittently cut. The impact and friction of cutting may cause chipping of cutting tools, etc.
In addition, when the opening end including the smooth outer peripheral portion is cut by plastic working in order to adjust the axial length of the cylindrical portion, it is necessary to apply a large load to cut the opening end.
Method used
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Embodiment Construction
[0024] Next, embodiments for carrying out the invention of the present disclosure will be described with reference to the drawings.
[0025] figure 1 It is a perspective view showing a drum member 1 as a toothed member of the present invention, figure 2 is a front view showing the drum unit 1 . The drum member 1 shown in the above drawings is used as a clutch drum included in a clutch of an unillustrated vehicle transmission and as a hub of another clutch or brake different from the clutch. As shown in the figure, the drum member 1 is formed into a bottomed cylindrical shape with one end open, and includes a cylindrical portion 2 and an opening end 2a from the cylindrical portion 2 (refer to figure 1 ) an annular side wall portion (bottom) 3 that protrudes radially inward from the end portion (the other end) on the opposite side. The side wall portion 3 of the drum member 1 is connected to one fastening partner of the clutch.
[0026] On the inner peripheral surface of th...
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This tooth part includes: a cylindrical portion which has inside tooth portions formed on the inner circumferential surface and outside tooth portions formed on the outer circumferential surface; a plurality of inside peripheral walls which each extend axially of the cylindrical portion and form the tooth tips of the inside tooth portions and the tooth bases of the outside tooth portions; a plurality of outside peripheral walls which extend axially and form the tooth bases of the inside tooth portions and the tooth tips of the outside tooth portions; and an annular rib which is connected to the plurality of outside peripheral walls at an edge of an opening of the cylindrical portion, extending annularly on the side radially outside and axially nearer the edge of the opening than the plurality of inside peripheral walls.
Description
technical field [0001] The present invention relates to a method for manufacturing a toothed part including a cylindrical part, an inner toothed part formed on the inner peripheral surface of the cylindrical part, and an outer toothed part formed on the outer peripheral surface of the cylindrical part, the toothed part and the teeth. Processing device for shaped parts. Background technique [0002] Conventionally, an outer member for a multi-plate clutch formed by press working of a steel plate is known as a tooth member (for example, refer to Patent Document 1). The outer member for the multi-plate clutch includes an end wall portion, a cylindrical portion (cylindrical portion) whose one end is connected to the outer peripheral end of the end wall portion and the other end is open, and is alternately arranged in the circumferential direction in a manner extending in the axial direction. A plurality of spline grooves and spline protrusions (inner toothed portion) on the inn...
Claims
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IPC IPC(8): F16D13/60B21D28/10B21D37/02B21D37/08B21D53/28
CPCB21D53/28F16D13/60F16D2250/0023B21D37/12B21H5/02B21D53/26B21D15/02B21D37/10B21D22/02F16D13/62
Inventor 松本亮丸山琢哉
Owner AISIN CORP