53 Hours faster
Boring and chamfering of a pre-cast bearing hole in a transmission housing, cast iron GG25. The Dia. 34.5 is subsequently fine-bored to tolerance H7.
Previous: Boring and chamfering of a pre-cast bearing hole in a transmission housing, cast iron GG25. The diameter 35 H7 is subsequently fine-bored.
New: customer invested in 2 Lothmann Step-drills at Euro 578. each. Boring of both diameters and chamfers with one tool in one operation. Savings: 3 tool changes, 2 tool magazine places opened up. Operation reduced by 0.8 minutes per part.
Example for cost savings:
|4,000 parts x 0.8 minutes x 1.3 Euro per minute||4.160 €|
|2 Lothmann Step-drills at Euro 578. each||1.156 €|
|+ Total machining time reduced by 53 hours|