JOINT HOMOCINETIQUE A PISTES CROISES ET PROCEDE DE FABRICATION DE CELUI-CI

JOINT HOMOCINETIQUE A PISTES CROISES ET PROCEDE DE FABRICATION DE CELUI-CI

There are provided an outer race of a constant velocity joint which has better operability and lower cost, and a method for manufacturing the same. First, an outer race 1 having a shaft portion 1a and a cylindrical portion 1b is prepared as a blank. Then with a punch set 4 fitted with an initial cle...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YOSHIHIRO SAGISAKA, MICHIO LIHARA, YASUSHI TAKAHARA
Format: Patent
Sprache:fre
Schlagworte:
BLASTING
BRAKES
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
ENGINEERING ELEMENTS AND UNITS
FORGE FURNACES
FORGING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HAMMERING
HEATING
LIGHTING
MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS
MECHANICAL ENGINEERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSING METAL
PUNCHING METAL
RIVETING
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:There are provided an outer race of a constant velocity joint which has better operability and lower cost, and a method for manufacturing the same. First, an outer race 1 having a shaft portion 1a and a cylindrical portion 1b is prepared as a blank. Then with a punch set 4 fitted with an initial clearance in the radial direction into the inner periphery of the cylindrical portion 1b, the cylindrical portion 1b is pressure-inserted into the die 6 from the opening side thereof to form the ball rolling grooves 2 on the inner periphery of the cylindrical portion 1b, with the ironing operation being stopped when the ball rolling grooves of a predetermined length is formed while leaving an inner-most portion of cylindrical portion 1b intact, thereby forming a margin recess 7 for a grinding wheel at the base of the ball rolling groove 1.