UR15 is quicker. My machine door is not.

UR launched the UR15 on Monday and leads with speed. Before I get talked into a faster arm for machine tending, I want the cycle split into actual robot travel, door time and machining. What fraction of a cycle would need to be travel before you'd seriously revisit the arm? No purchase planned; I'm trying to ask a better question than 'what's the fastest cobot'. https://www.universal-robots.com/news-and-media/news-center/universal-robots-introduces-its-fastest-ever-cobot-to-enable-unprecedented-performance-in-collaborative-automation/