Miniature Sherline CNC Cam Grinder, Part 1

Grinding a cam for a model internal combustion engine can be a tough job. Using a computer controlled cam grinder is an attractive alternative to hand filing cam lobes, assembling multipart camshafts or building a complicated mechanical grinding machine. Joe Martin has created a CNC (Computer Numeric Control) cam grinder using mostly off-the-shelf Sherline machine tool parts along with a g-code program he developed himself. This video details the production of a cam for a Howell V-4 engine being produced by the Joe Martin Foundation Craftsmanship Museum. To learn more about the engine itself go to www.CraftsmanshipMuseum.com/HowellV4.htm. For more about Sherline miniature machine tools visit www.sherline.com. This is part one of the video. Each half is about 9 minutes long.

Category:

Autos & Vehicles

Tags:

• cam
• grinder
• grinding
• CNC
• Sherline
• model engine
• camshaft

[andrewstunna08]

hi my name is andrew. i was woundering if you could get the grinder setup on the mini lathe also for this job? please let me know thnaks.

[craiglibuse]

@andrewstunna08 Andrew, the two machines (grinder and lathe) are unrelated, although they do share a few components from the Sherline tool line.

[viestartss]

Is that some special version of EMC2 or just a customized GUI?

[craiglibuse]

@viestartss--No, the touchy GUI was only recently developed for the integration of a touch screen pc, or monitor. What you are seeing is the Sherline specific "mini gui" this was developed by Ray Henry in the original EMC. The "mini gui" has been Sherlines interface for EMC since RedHat.

[ShnitzlHaus]

5 stars! that is great work right their!

would like one myself. neat grinder.

[gwheyduke]

I can see a Sherline head stock, DC motor, Mill table, tail stock. Motor mount.

and ...what else? The stepper motors of course, is there another lathe bed in there or is that an indexing attachment?

what about the vertical set up on the mill table? Do you have a list of the Sherline components used?

[viestartss]

@craiglibuse Ok, got it, thanks for explaining!

[craiglibuse]

No, the touchy GUI was only recently developed for the integration of a touch screen pc, or monitor. What you are seeing is the Sherline specific "mini gui" this was developed by Ray Henry in the original EMC. The "mini gui" has been Sherlines interface for EMC since RedHat.

[craiglibuse]

@viestartss No, the touchy GUI was only recently developed for the integration of a touch screen pc, or monitor. What you are seeing is the Sherline specific "mini gui" this was developed by Ray Henry in the original EMC. The "mini gui" has been Sherlines interface for EMC since RedHat.

[viestartss]

@craiglibuse Which GUI is that? Touchy? The thing is that I do not recognize it. At the first moment I did not recognize that it is EMC2 at all, I got it only, when I saw the "open file" dialogue window.

Anyway, thank You for sharing both vids :)

[craiglibuse]

@gwheyduke The cam grinder is now a product in the Sherline line. Information on the components used and its capabilities can be found at Sherline's web site by searching for part number 8650.

[craiglibuse]

@viestartss It is the standard EMC2, but Sherline has customized the back end slightly in our version. The GUI is unchanged.