NEWS

Insert expansion for SPX milling cutters; JM-breaker

September 30. 2008

Mitsubishi Materials introduces the JM-breaker insert into the SPX Milling Family. The SPX milling cutters are Indexable end mills for deep shoulder milling.
JM-breaker
Technical Information:
  • For semi-finishing applications, this new insert with JM-breaker is a good choice
  • JM-breaker can produce a good wall finish
  • JM-breaker now available in VP15TF and VP20RT grades

Applications to Target:
  • Machining Cast iron press molds (base), where parts have tall flat surfaces
  • Machining Ductile Cast iron press molds (trim), where you need to reach deep into a cavity
Benefits:
  • Our WH-breaker (wavy cutting edge) is the first choice for roughing applications
  • If you need a better wall finish, use JM-breaker (smooth cutting edge)
  • Grade VP15TF recommended for cutting Cast Irons / Ductile Cast iron
  • Grade VP20RT recommended for cutting Alloy tool steel / Cast tool steel