scroll chuck การใช้

• Cams used for function generation may have grooves that require several revolutions to cover the complete function, and in this case, the function generally needs to be scroll chuck.
• In this context " chuck " means any type of chuck " other than " a collet chuck ( scroll chuck, independent-jaw chuck, etc . ).
• Of the above traits, scroll chucks offer always  ! 1 and  ! 2; usually  ! 3; to varying extents  ! 4 ( depending on the situation ); but not reliably  ! 5.