John Grimsmo & John Saunders

Business of Machining

Business EN ↓ 460 episodes

John Grimsmo of Grimsmo Knives and John Saunders of Saunders Machine Works discuss their success, struggles, goals and more as machinists, business owners and entrepreneurs.

Author

John Grimsmo & John Saunders

Category

Business

Latest episode

Jul 10, 2026

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Episodes

#410 Prussian Blue is amazing 18.04.2025

TOPICS: Prussian blue is amazing. Bambu H2D 3d printer Calibrating a 5 axis machine Hand scraping deep dive Tormach 1500 MX

#409 Hardmill all the things 11.04.2025

TOPICS: Mentality around tariffs Button lock geometry Buy prussian blue Hardmill all the things

#408 Dedication to our Willemin 408MTs 04.04.2025

TOPICS: Robots Demagnetizing 4140 bars Rolex Johnny 5 track drives Probing for accuracy

#407 First Hundred knives and lessons learned 28.03.2025

TOPICS: Fusion PSA on heights tab Measuring ultra precision Heat treating improvements Tormach 1500mx updates

#406 Surface grinding deep dive 14.03.2025

TOPICS: Business insurance Thermal compensation on Speedio Surface grinding deep dive Shop improvements

#405 Why are lathe parts not round? 07.03.2025

TOPICS: Gorilla Stand indicator holder! Why are lathe parts not round? Thermal growth on the Speedio Okuma fake CMM Heat treating 440c and carbide clumping Dishwashing parts at home

#404 Life as a small business owner 28.02.2025

TOPICS: Making ultra flat precision washers Fjell knives are starting to selling Custom ultra precision indicator stands Tarrifs Post heat treat hard turning Hardmilling success

#403 Make decisions and dealing with the consequences. 21.02.2025

TOPICS: Make decisions on your own, as long as you're willing to deal with the consequences. CHATTER machine monitoring Robots! Mastering youtube Dial test indicator stand Surface grinding and lapping Tormach 1500mx

#402 "Delegating is sometimes just as simple as delegating" 14.02.2025

TOPICS: "My Willy is doing great" - Grimsmo Kern was purchased by Ametek. "Delegating is sometimes just as simple as delegating". Auto serial numbers on Okuma Vapor degreaser Diamond lapping Bad 3d printing

#401 Stress in your business 07.02.2025

TOPICS: Heat treated A2 dimensions Grimsmo Fjell update Robot loading solutions Endmill consistency

#400 Episode 400 baby!! 31.01.2025

Intern or full time machinist? DOITS 100 Fjell knives Hardmilling and tool life Chatter machine monitoring installed at SMW

#399 Too much on my plate 24.01.2025

TOPICS: Project management at Saunders Tolerance ranges and scrapping parts Python script deep dive Robots to change workpieces and pallets Willemin part release... magnetism? Too much on my plate

#398 Python script to create the perfect toolpath! 17.01.2025

TOPICS: NYCCNC has been purchased by DSI Hardmilling Kolsterizing process by Bodycote 5 axis automation and robotics DOITS finally work - Shrink the project - Cannot think about it Grimsmo grinding improvements - Python script to create the perfect toolpath!

#397 Team oriented wishlish 10.01.2025

TOPICS: 2025 changes DOITS Leadership roles Measuring runout in toolholders 5 axis automation at Saunders? Team oriented wishlish Fjell production update

#396 Raspberry Pi in the shop 20.12.2024

TOPICS: Oscilliscope readings on Heidenhain Tool life in A2 steel Raspberry Pi in the shop Tour of Henry Holsters Project management in 2025

#395 Tracking tool life 13.12.2024

TOPICS: Willemin air lines all replaced Saunders is using metric hardware Microscopes in the shop Tracking tool life Machining A2 The ultimate Clamps Lapping precision holes

#394 DIY 3d printed machine tools with concrete! 06.12.2024

TOPICS: DIY 3d printed machine tools with concrete! Flextures and insane tolerances Machining soft blades in the Kern is slow, but better Patterning stress Hardmlling tool life? Chatter machine monitoring

#393 Fusion tips and tricks 29.11.2024

TOPICS: Google Appscripts does awesome stuff Notes to yourself in Fusion 360 and other Fusion tips and tricks Hardmilling update!  Hard grindmilling too. Heat treating ideas

#392 Hardmilling puckchucks on Okuma 22.11.2024

TOPICS: Hardmilling puckchucks on Okuma Heat treating ovens Fjell pocket clip success! Prusa new printers

#391 50 tidbits by Dave Arneson 15.11.2024

TOPICS: Hardmilling endmills came in Heat treating and worried about warp Kern still dropping tools Kind words from a listener Solution to Saunders' tolerance issue 50 tidbits by Dave Arneson https://www.airbearings.com/old-pages/news/50-tidbits Lapping for flatness and shiny!

#390 Take your kid to work day 08.11.2024

TOPICS: Take your kid to work day Saunders bought another lathe "I'm stumped" - Saunders Wazer waterjet at Grimsmo Hardmilling

#389 HARDMILLING!! 01.11.2024

TOPICS: Kern is down! Internal inventory levels HARDMILLING!! Magnetic chucks Seville Classics cabinets and tables

#388 Creating videos for Youtube 25.10.2024

TOPICS: Kern tool changers issues Creating videos for Youtube 11:-- error, 30 seconds missing Replacing glass on CNC machines Video - "The universe is hostile to computers" - Veritasium Artwork at home Flocking tumbler liquids DIY fixture rack

#387 How do you spend your day 18.10.2024

TOPICS: Saunders: "Grimsmo, project management is not your strong suit" How do you spend your day DSI free Fusion Fridays Regofix tool change station What's a good 5 axis with pallet changer? Heat treating in argon?

#386 Leading and coaching strategies 11.10.2024

TOPICS: Safe start all operations Listening to the "Aquired" podcast Leading and coaching strategies Hardmilling blades and Puckchucks Laser probing grinding wheel accuracy

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