Method for manufacturing wet friction plate, wet friction plate, and wet multiple-plate clutch device having wet friction plate

Method for manufacturing wet friction plate, wet friction plate, and wet multiple-plate clutch device having wet friction plate

Provided are a method for manufacturing a wet friction plate, whereby efficiency of the work of forming a fine groove on a friction material can be improved, the wet friction plate, and a wet multiple-plate clutch device having the wet friction plate. In the method for manufacturing a wet friction p...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Yagi, Shintaro, Kiuchi, Katsumasa
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
BRAKES
CLADDING OR PLATING BY SOLDERING OR WELDING
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MACHINE TOOLS
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
WELDING
WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:Provided are a method for manufacturing a wet friction plate, whereby efficiency of the work of forming a fine groove on a friction material can be improved, the wet friction plate, and a wet multiple-plate clutch device having the wet friction plate. In the method for manufacturing a wet friction plate 200, a core metal 201 and a friction material 210 are prepared, a resin layer 203 is formed on the core metal, the friction material is attached onto the resin layer, and a fine groove 211 is formed in the friction material. Specifically, irradiation of a laser beam L is started on an exposed portion 205 of the core metal. A laser head 301 is displaced in an annular shape while continuously emitting the laser beam. Thus, annular fine grooves 204 and 211 are formed in the exposed portion of the core metal and the friction material.