In this episode of Taps and Patience, AJ and Harrison discuss a series of technical and operational challenges they faced recently. AJ recounts his frustration with a persistent issue on his machine, where the drive belt frequently snaps during the warmup cycle. Despite having previously replaced the belt multiple times, AJ struggled with a new, more flexible belt that took him four hours to install. They explore potential fixes, including adjusting the warmup program to incorporate more gradual RPM increases and implementing a variable warmup time based on how long the machine has been idle. Harrison shares his own difficulties, revealing that he has had a tough time with broken end mills while machining 4140 steel. He discusses his discovery of a sheared-off flute and the implications of tool life management.