Swaging-optimized baseplate for disk drive head suspension

Abstract

A baseplate for swaging a disk drive head suspension to an arm having a thickness and a neutral axis. The baseplate includes a boss tower having an outer diameter high point configured to be located within about ±6% of the arm thickness from the neutral axis when swaged to an arm.

1 . A method for manufacturing a baseplate of the type used to mount a disk drive head suspension to an arm, including: 
 determining the thickness and neutral axis of the arm to which the baseplate will be attached; and    manufacturing a baseplate including a boss tower having an outer diameter high point that will be located within about ±6% of the determined arm thickness from the determined arm neutral axis.    
   
   
       2 . The method of  claim 1  and further including: 
 mounting the baseplate to a head suspension;    positioning the baseplate and head suspension on an arm with the boss tower extending into a hole in the arm; and    swaging the baseplate to the arm by forcing the boss tower into engagement with the arm and the outer diameter high point located within about ±6% of the determined arm thickness from the determined arm neutral axis.    
   
   
       3 . A method for manufacturing a baseplate of the type used to mount a disk drive head suspension to an arm, including: 
 determining the thickness and neutral axis of the arm to which the baseplate will be attached; and    manufacturing a baseplate including a boss tower having an outer diameter high point that will be located within about ±4% of the determined arm thickness from the determined arm neutral axis.    
   
   
       4 . The method of  claim 3  and further including: 
 mounting the baseplate to a head suspension;    positioning the baseplate and head suspension on an arm with the boss tower extending into a hole in the arm; and    swaging the baseplate to the arm by forcing the boss tower into engagement with the arm and the outer diameter high point located within about ±4% of the determined arm thickness from the determined arm neutral axis.    
   
   
       5 . A method for manufacturing a baseplate of the type used to mount a disk drive head suspension to an arm, including: 
 determining the thickness of the arm to which the baseplate will be attached; and    manufacturing a baseplate including a boss tower having an outer diameter high point that will be located within about ±6% of the center of the determined arm thickness.    
   
   
       6 . The method of  claim 5  and further including: 
 mounting the baseplate to a head suspension;    positioning the baseplate and head suspension on an arm with the boss tower extending into a hole in the arm; and    swaging the baseplate to the arm by forcing the boss tower into engagement with the arm and the outer diameter high point located within about ±6% of the center of the determined arm thickness.    
   
   
       7 . A method for manufacturing a baseplate of the type used to mount a disk drive head suspension to an arm, including: 
 determining the thickness of the arm to which the baseplate will be attached; and    manufacturing a baseplate including a boss tower having an outer diameter high point that will be located within about ±4% of the center of the determined arm thickness.    
   
   
       8 . The method of  claim 7  and further including: 
 mounting the baseplate to a head suspension;    positioning the baseplate and head suspension on an arm with the boss tower extending into a hole in the arm; and    swaging the baseplate to the arm by forcing the boss tower into engagement with the arm and the outer diameter high point located within about ±4% of the center of the determined arm thickness.