American-made Dapra Helical Roughing End Mills are a great alternative for modern dynamic milling / volume milling applications. Watch a 3/4” dia. end mill create a .850” deep pocket and outside contour in 1018 steel block.

Application Parameters

Tool: 3/4" Helical End Mill (HREM0750)

  • 2 flutes, 6 inserts, .900" max. DOC

Material: 1018 Steel - 4" wide x 6.25" long

  • .850" depth (pocket and outside contour)
  • .25" wall thickness
  • .625" max. radial depth

Pocket:

  • 2-degree helix entry - 6100 RPM, 90 IPM
  • Dynamic milling - .060" WOC (8%), 6100 RPM, 185 IPM (.015" FPT)

Outside contour:

  • Same parameters - 6100 RPM, 185 IPM, .060" WOC, .850" DOC

Total cycle time: 4 min., 17 sec.

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