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ALVAN Reamer Cuttting Ring Style
Body Relief Valve: ALVAN® Reamer 
Code:
9902
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The Challenge
The customer manufactures hydraulic rams and cylinders, and they are machining a body relief valve made from 4140 alloy steel. They are using a Nakamura TW-10 lathe running with synthetic thru-tool coolant.

Tool used:  Proto-Cutter floating style reamer with 6 flutes
  • 650 RPM
  • 62 SFM
  • 0.003 IPR
  • 1.95 IPM
  • Hole diameter = 0.3625″
  • Hole depth = 1.80″
  • Cycle time = 1 minute
  • Tool life = 80 parts
Unsatisfied with their current production process, the customer needed a solution to increase tool life.
The Solution
Allied recommended the ALVAN Reamer.

Tool used:  ALVAN Reamer (item AL3610I02797) with A lead
  • 2000 RPM
  • 190 SFM
  • 0.003 IPR
  • 6.0 IPM
  • Cycle time = 23 seconds
  • Tool life = 400 parts
The Advantages
The ALVAN Reamer helped the customer in multiple areas: it increased tool life, decreased cycle time, and improved the surface finish.
  • Reduced cycle time from 60 seconds to 23 seconds
  • Increased tool life from 80 parts to 400 parts
  • Total cost savings of $2,346.43 (per 1000 holes)