90 seconds 8590 seconds productivity levels approximately 180 seconds completely transformed parts simultaneously process reducing cycle time excellent return wear extending efficiently cools dualspindle configuration strategic role solid materials twindrill pro 50 challenges headon cnc machining cnc efficiency continuous production specifically engineered predrilling process drilling cycle achieving precise predrilling operations cnc drilling operations precise drilling depths rejection rate engineered predrilling effectively decreases extended production times predrilling stages resulting perform precise udrilling operational expenses providing highperformance coolant system 50mm diameter drill udrilling tasks taking consistent movements crucial face significant bottlenecks