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Shell ring connector

Drilling, forward and backward chamfering simultaneously: Cost reduction of more than USD 100,000 per year.
VEX combination tool drills and grips the front and back of a bore in one pass

Customer application

This gearbox manufacturer had to drill and deburr a shell ring with 12 bores in the most efficient way.

WorkpieceShell ring connector
BoreØ5.0 mm
Material thickness4.0 mm
MaterialADC 10
MachineMagnix tapping centre
Volume1 million workpieces per year
HEULE VEX combination tool for drilling with front and back chamfer in one pass

Solution

HEULE recommended its combined drilling and chamfering tool VEX 5.0 (GH-QO-4000) with SNAP technology. The bore is first drilled, followed by the chamfering of the front and back bore edges.

ToolVEX
Drilling speed6'200 RPM 
Drilling working feed0.2 mm/rev
Chamfering speed738 RPM
Chamfer working feed0.15 mm/rev
Coolantexternal coolant

Customer benefit

This solution offers significant processing time savings by combining three process steps in a single pass. With the switch to VEX, the gearbox manufacturer eliminated two CNC machining centre.

 

  • Significant time savings by combining three process steps in a single pass
  • Elimination of two CNC machining centres
  • Yearly cost savings over 100’000 USD 
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