The shell ring connector of an 8-speed gearbox has 12 bores with Ø5.0 mm per workpiece.
|Workpiece||Shell ring connector|
|Material thickness||4.0 mm|
|Machine||Magnix tapping centre|
|Volume||1 million workpieces per year|
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.
|Drilling speed||100 m/min|
|Drilling working feed||0.2 mm/rev|
|Chamfering speed||72 m/min|
|Chamfer working feed||0.15 mm/rev|