PFG IG Live 2022-0501: Stefan Gotteswinter

Special Guest: Stefan Gotteswinter (@stefan_gtwr on IG, Stefan Gotteswinter on YT). Precision Cordless Drill Balancing. Side-saddle Grinding. What a pair of stones! Learning to be, and not to be precise. Legal beer. 0:00 Welcome and housekeeping 4:00 Stefan Gotteswinter joins 5:25 Has Stefan been following Spencer's interest in lapping? 5:50 Stefan's recent video about drilling on the lathe using the carriage instead of the tailstock. 8:00 Giving away a McMaster-Carr catalog 11:05 Any tips on making Annular Cutters 12:30 Favorite or preferred brand of lapping compound? 15:30 Follow up on annular cutter, to use on a lathe 17:00 Silver Steel is a term used in the UK for Drill Rod; it's Silberstahl in German 17:55 What German Ginger Beer does Stefan recommend? 18:55 If Ginger Beer is illegal in Germany, how do you Justify Radler? 20:30 What is the smallest part Stefan has made in his shop? 21:18 How difficult is it for Stefan to get parts Nitrided 22:13 If you had Elon Musk's money, which Mill or Lathe do you buy? 23:50 What is your favorite way to "Clock Out" a headstock? 26:55 For M1.2 Tapped hole what type of Tap do you recommend? 28:15 Adam B says he has a way to align a Headstock with the Cross Slide using a Special Tool that has a Gauge Ball on it. Details to Follow. 29:10 How to prevent M3 Taps breaking in stainless steel on a CNC lathe? 34:20 Marvin Groeb @marvgro recommends Zirconia nanoparticles as a lubricant 30:45 How to improve the rigidity between the head and vertical column of an RF-45 32:20 Do you use IPA (isopropyl alcohol) on steel in the CNC router? How do you prevent it catching fire? 35:05 Stefan is asked for his opinion on Adam Demuth's (@adamthemachinist) 3D printed Vee blocks 36:55 Stefan is asked for drawings of his addendum to Robin Renzetti's D-Bit Grinder modifications 38:05 Adam B (@Laneymachinetech) ask for Stefan's comments on Cylindrical Grinding and Lapping to optimize geometry and surface finish. 42:05 Spencer asks Stefan about his new Grinder 51:30 What do people need to learn to do more precise work. 53:50 Stefan is asked to regrind precision ground stones that he mad for a customer. 57:45 When grinding a radius on the D-Bit, how do you indicate the offset of the work? 59:10 What is the spindle speed of the D-Bit? 59:50 What projects does Stefan most enjoy? 1:01:30 What is missing from Stefan's tool collection?