Oops. I fibbed but then it was 2 years ago. http://www.autoartisans.com/mill/XAxisBearingClamp.jpg Rotary table used for the cap.
But the lathe and ELS for boring to depth was used for the bearing hole. http://www.autoartisans.com/mill/XaxisBoringClearanceHole.jpg The Y axis was done on the mill. http://www.autoartisans.com/mill/YAxisMachining-6.jpg John > -----Original Message----- > From: John Dammeyer [mailto:[email protected]] > Sent: February-19-20 6:30 PM > To: 'Enhanced Machine Controller (EMC)' > Subject: Re: [Emc-users] Feeds and speeds > > > > From: Jon Elson [mailto:[email protected]] > > On 02/19/2020 12:02 PM, John Dammeyer wrote: > > > > > > And soft castings from scrap aluminium like extruded old window frames > is > > a challenge unto itself. I too use WD-40 for that. Been thinking of just > using a > > spray bottle with kerosene. Supposed to be just as good and much > cheaper. > > > > > Ugh, some extrusions are anodized, so a very mushy pure > > aluminum (1100) core with a really HARD outer skin. > > That is extremely hard even on carbide cutters, and will eat > > plain HSS in seconds. Even re-cast, it may contain > > some of the aluminum oxide from the anodizing mixed into it. > > > > Jon > > I must be doing something right. These came out really nice. A variety of > scrap stock. > http://www.autoartisans.com/mill/XAxis-AlmostDone1.jpg > Flycutter wth carbide lathe tool for the surfacing. Clamped onto faceplate > and bearing hole bored on lathe for the X axis. Boring head used on Y axis > casting behind. The X axis is a two part casting because I wanted to be able > to turn it on the lathe. The bearing clamps are bar stock. The bearing clamp > holes and counter bores were all accomplished with the DRO using XY > dimensions from the drawings. > John Dammeyer > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
