Method for processing fracture surface of ductile metal component, device for processing fracture surface, and method for manufacturing ductile metal component

Abstract

A method for processing fracture surfaces of a ductile metal component by processing fracture surfaces (51a and 52a) of fracture components (51 and 52) into which the ductile metal component (50) is divided by fracturing the ductile metal component (50) in a fracture direction includes: a holding step of holding the fracture components in a state in which the fracture surfaces of the fracture components are separated from each other; a vibration step of imparting predetermined vibration to at least either one of the fracture components being held in the holding step in a direction intersecting the fracture direction; a pressing step of pressing the fracture surfaces of the fracture components against each other by a specified pressing force in a state in which the vibration is imparted by the vibration step; and a separation step of separating the fracture surfaces of the fracture components from each other after the pressing step in the state in which the vibration is imparted by the vibration step.

1 . A method for processing fracture surfaces of a ductile metal component by processing fracture surfaces of fracture components into which the ductile metal component is divided by fracturing the ductile metal component in a fracture direction, the method comprising:
 a holding step of holding the fracture components in a state in which the fracture surfaces of the fracture components are separated from each other;   a vibration step of imparting predetermined vibration to at least either one of the fracture components being held in the holding step in a direction intersecting the fracture direction;   a pressing step of pressing the fracture surfaces of the fracture components against each other by a specified pressing force in a state in which the vibration is imparted by the vibration step; and   a separation step of separating the fracture surfaces of the fracture components from each other after the pressing step in the state in which the vibration is imparted by the vibration step.   
     
     
         2 . The method for processing fracture surfaces of a ductile metal component according to  claim 1 , wherein the vibration in the vibration step is imparted in a direction along each of the fracture surfaces. 
     
     
         3 . The method for processing fracture surfaces of a ductile metal component according to  claim 1 , wherein after a prescribed time has elapsed in the pressing step, the separation step is conducted in the state in which the vibration is imparted by the vibration step. 
     
     
         4 . The method for processing fracture surfaces of a ductile metal component according to  claim 1 , the method comprising an air blowing step of blowing air to at least either one of the fracture surfaces after the separation step. 
     
     
         5 . The method for processing fracture surfaces of a ductile metal component according to  claim 4 , wherein the vibration step is conducted also in the air blowing step. 
     
     
         6 . The method for processing fracture surfaces of a ductile metal component according to  claim 1 , wherein the pressing step and the separation step are conducted a plurality of times. 
     
     
         7 . The method for processing fracture surfaces of a ductile metal component according to  claim 1 , the method comprising a vibration stop step of stopping the vibration by the vibration step after the separation step. 
     
     
         8 . The method for processing fracture surfaces of a ductile metal component according to  claim 7 , the method comprising a holding release step of releasing holding of the fracture components by the holding step after the vibration stop step. 
     
     
         9 . A method for manufacturing a ductile metal component, the method comprising:
 a fracture step of fracturing the ductile metal component in a fracture direction and forming fracture components; and   a fracture surface processing step of processing fracture surfaces of the fracture components being formed in the fracture step by the method for processing fracture surfaces according to  claim 1 .   
     
     
         10 . A fracture surface processing device for processing fracture surfaces of a ductile metal component by processing fracture surfaces of fracture components into which the ductile metal component is divided by fracturing the ductile metal component in a fracture direction, the device comprising:
 a holding means holding the fracture components in a state in which the fracture surfaces of the fracture components are separated from each other;   a vibration means imparting predetermined vibration to at least either one of the fracture components being held by the holding means in a direction intersecting the fracture direction;   a pressing means pressing the fracture surfaces of the fracture components being held by the holding means against each other by a specified pressing force;   a separating means separating the fracture surfaces of the fracture components being held by the holding means from each other after pressing by the pressing means; and   a control means actuating the vibration means during operation of the pressing means and the separating means.   
     
     
         11 . The fracture surface processing device for processing fracture surfaces of a ductile metal component according to  claim 10 , the device further comprising a surface matching means matching the fracture surfaces with each other without displacement upon pressing, by the pressing means, the fracture surfaces of the fracture components being held by the holding means against each other by the specified pressing force.