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  1. TheBigLebowski

    FS 1992 FADAL 4020 - SE Michigan 48065

    FS 1992 FADAL 4020 : Asking $4800 or Best Looking to sell a 1992 Fadal 4020. Its a DC servo machine with inch ball screws, CNC88 Controller, 10k Hi/Lo High Torque spindle, and rigid tapping. The XYZ axis move quietly and do not make any alarming sounds. The spindle belts are noisy (I can...
  2. TheBigLebowski

    For Sale - 1999 Chevalier FSG 618M Surface Grinder - SE MI - Asking $1400

    For Sale - 1999 Chevalier FSG 618M Planning to take a 2-3 year break from self-employment to learn a different part of the trade and relocate. Spindle Runs quiet and the grinder leaves a nice surface finish. Automatic oiler works well, saddle ways are wet to the touch with oil. Currently...
  3. TheBigLebowski

    For Sale: Hwacheon Hi-Eco 21HS Lathe - 7K - Romeo, MI

    Looking to sell My 1999 Hwacheon Hi-Eco 21hs lathe. It a fairly basic 2 axis cnc lathe with a Fanuc 18T control (I think 18Tc to be precise) It does not have rigid tapping or c axis/spindle indexing, I used a floating tap holder for tapping when needed. It does have synchronized threading...
  4. TheBigLebowski

    How well do the Magnetic face 5c/whirly chucks work?

    I've cut a couple of fairly large (~3.25") x 3" long Punches that I will need to make sometime next month. Typically I just wire EDM punches, but in this case I will likely need to make a few Provisionals to adjust the final size as needed. I was thinking that instead of wire EDMing them I...
  5. TheBigLebowski

    OT : Overbending a Stainless Exhaust Elbow

    I have a couple of 45 degree exhaust elbows made from 2.125 OD 16 gage Stainless steel. I need to add about 10-12 degrees of overbend to them to get the correct alignment. I tried to make up a set of solid forms to use in a hydraulic press (this method works for solid bar) - but because the...
  6. TheBigLebowski

    FS: Millermatic 211 - Southeast Michigan - $1400 OBO

    Looking to sell my Millermatic 211 MIG Welder, It is one of the newer Inverter welders that weighs under 40 Lbs. I picked up a TIG welder shortly after purchasing this and pretty much haven't used this since. I've only refilled the little argon tank shown in the picture once, so this welder...
  7. TheBigLebowski

    Info on Scroll Threading on a 2AX Cnc Lathe?

    Does anyone have experience cutting scroll threads on a 2 axis cnc lathe? (no live tooling) The width of the scroll would be fairly small - 3mm or 1/8" to keep the tool pressure low , part material would be aluminum or possibly acetal - the parts aren't going to see any appreciable load. Part...
  8. TheBigLebowski

    Source for 416 Square Stock (other than McMaster)

    Does anyone know of a supplier that carries 416ss annealed square stock, either 1 1/4" oversized or 1 3/8"? My go to suppliers don't have anything of the sort. I see McMaster-Carr carries some but the price seems pretty high even by their standards. These parts were previously being made from...
  9. TheBigLebowski

    How is the Parts Support on older Brother Mills (early to mid 2000's)

    I see there is a former cat production facility closing up not all that far from me. They have close to 30 Brother Drill Tap machines that they will be getting rid of. Are parts/wear items like ballscrews, thrust bearings, and spindle cartridges available and reasonably priced? (I'm used to...
  10. TheBigLebowski

    Tracking Work Related Vehicle Mileage.

    What kind of tools are available for keeping track of job related vehicle mileage? Currently I just write the start/end mileage for work related trips down on a notepad. This has gotten to be a pain because half the time I don't remember to write it down. On several occasions I have ripped the...
  11. TheBigLebowski

    Looking for Technical Articles on HSM/Trochoid Toolpath Generation

    Does anybody have any good technical articles on the generation of hsm/trochoid style pocket toolpaths? Currently, about 75% of the machining that I do is done with homebrew cam software. (it was painfully slow to do it this way at first, but as I've gotten everything working and added more...
  12. TheBigLebowski

    OT : How do they make Hydraulic Toolholders?

    I've got a few hydraulic toolholders that I currently run and I find them to be really slick. They are rigid and very noticeably dampen vibrations as compared to ER and even Shrink fit. I was looking at some cross section pictures of them and it looks like the part that does the expanding and...
  13. TheBigLebowski

    Kennametal KCI1 Clamp

    I use kennametals KIPR cutters with ceramic inserts for rough hardmilling. Today I had a insert clamp screw break while cutting, sending the clamp flying off into the ether. The cutter body itself was undamaged, so I just needed to get a replacement clamp and screw. Unfortunately, a "spare...
  14. TheBigLebowski

    Hwacheon 21hs Lathe - Fanuc 18T - Machine Homing

    I purchased a new to me cnc lathe (hwacheon HiEco 21hs with a Fanuc 18t) back in September. Before moving it I had the batteries in the control replaced, so its possible a parameter was lost at this time. I am just now getting around to setting the machine up. On power up, the machine's...
  15. TheBigLebowski

    Source for stainless steel muzzeloading barrels.

    Does anybody have a source for stainless steel muzzloader barrel blanks? I checked with most of the big name suppliers (green-mountain, shilen, lothar-walther etc.) But they don't offer anything stainless steel in the correct twist rates. I am hoping to find a stainless 32 caliber barrel with...
  16. TheBigLebowski

    Question Regarding step down transformers.

    I just purchased a new used Hwacheon Hi-ECO 21hs lathe. There is no tag on the machine specifying voltage and I do not have a manual for it, but I am fairly certain it is currently wired for 208 wye 3 phase (still waiting to hear back from the previous owner to confirm) . The power in my shop is...
  17. TheBigLebowski

    Small CNC Lathe recomendations

    We need to pick up a small to midsized cnc lathe in the near future. I just missed out on a machine that I liked at auction (internet literally cut out during the auction), it was a hardinge SV-150. I am looking for other machines similar to this one, we have no preference in brand. The main...
  18. TheBigLebowski

    Fadal CNC 88 Toolchange Problem - Z Feedrate

    My Fadal 4020 CNC 88 has been sitting for a couple of weeks. After I Fired it back up yesterday and ran a program, I encountered a problem I have never seen on any other Fadal. It Changes tools as it should, but the z feedrate during a toolchange is now much higher than it used to be, probably...
  19. TheBigLebowski

    Michigan Stay At Home Order - Sole Propietors Ok to Work?

    Reading Through Michigan's Stay at home order, there is a exemption for those who conduct "Minimum Basic Operations". This states "For purposes of this order, workers who are necessary to conduct minimum basic operations are those whose in-person presence is strictly necessary to allow the...
  20. TheBigLebowski

    OT : Looking for a basic, Functional, Vacuum Venturi Design

    Does anybody have a basic but functional design for a vacuum venturi they would be willing to share? I want to build a vacuum vise for my surface grinder any make the venturi integral, rather than having it hooked up separately. I just figured I would ask on here before buying one and pulling...

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