Patent ID: 11858019
Assignee: NIPPON STEEL CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 1:
2. The slab manufacturing method according to claim 1, wherein the exit-side plate thickness used for calculating the exit-side wedge ratio is estimated through Expression 2:, (
      
       estimated
       ⁢
          
       plate
       ⁢
          
       thickness
       ⁢
          
       on
       ⁢
          
       exit
       ⁢
           
       side
       ⁢
          
       of
       ⁢
          
       rolling
       ⁢
          
       mill
      
      )
     
     =
    
   
   
    
     Expression
     ⁢
        
     2
    
   
  
 

 
  
   (
   
    screw
    -
    down
    ⁢
       
    postion
    ⁢
       
    of
    ⁢
       
    casting
    ⁢
       
    cylinder
   
   )
  
  +
 

 
  
   (
   
    work
    ⁢
       
    roll
    ⁢
       
    elastic
    ⁢
       
    deformations
   
   )
  
  +
 

 
  
   (
   
    rolling
    ⁢
       
    mill
    ⁢
       
    housing
    ⁢
       
    screw
    -
    down
    ⁢
       
    system
    ⁢
       
    deformation
   
   )
  
  +
 

 
  
   (
   
    roll
    ⁢
      
    profile
    ⁢
       
    of
    ⁢
       
    casting
    ⁢
       
    drum
   
   )
  
  -
 

 
  (
  
   elastic
   ⁢
      
   deformation
   ⁢
      
   of
   ⁢
      
   work
   ⁢
      
   roll
   ⁢
      
   at
   ⁢
      
   the
   ⁢
      
   time
   ⁢
      
   of
   ⁢
      
   screw
   -
   down
  
 

 
  
   position
   ⁢
      
   zero
   -
   point
   ⁢
      
   adjustment
  
  )
 

using position information regarding the slab in the width direction directly under a roll bite.