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  • DR's Avatar
    Today, 12:47 PM
    DR replied to a thread Auto screwcutting attachment in General
    Interesting that he's leaving the half nuts engaged and reversing the spindle to bring the carriage back to the start. He's also feeding in with the...
    8 replies | 533 view(s)
  • DR's Avatar
    Today, 12:39 PM
    If it was me, I'd forget the form tool. With the chatter issue it's very likely the grooves won't be trued concentric to the bore. The groove form...
    19 replies | 949 view(s)
  • DR's Avatar
    Today, 11:58 AM
    I believe that type fixture is a copy of an old Delta Univise. But, for all I know Delta may have copied somebody else. It's common to have...
    19 replies | 949 view(s)
  • DR's Avatar
    Today, 10:52 AM
    Yes, it can and is being done with metal on CNC machines. There was a link within the last year or so on PM.
    4 replies | 200 view(s)
  • DR's Avatar
    Yesterday, 01:23 PM
    Yes, I was about to add those to the discussion. I'm not a big fan of center punching. Aligning to the center punch is one thing, but how...
    27 replies | 1489 view(s)
  • DR's Avatar
    Yesterday, 01:10 PM
    DR replied to a thread Seated working at machine in General
    Two Hardinge machines I bought over the years had very noticeable wear on the headstock casting's paint from operators obviously leaning on the...
    36 replies | 1699 view(s)
  • DR's Avatar
    Yesterday, 12:20 PM
    Geez, I see so many problems with the design and build, but the results will be hard to argue with. So, we'll see how well it works. I have a...
    20 replies | 1600 view(s)
  • DR's Avatar
    10-19-2014, 12:01 PM
    Tie rod taper is fairly steep as I recall. I CNC milled one once for a vehicle of my own. It may be close to the taper of a NMTB mill spindle. ...
    18 replies | 989 view(s)
  • DR's Avatar
    10-19-2014, 04:31 AM
    As you say, the Grizzly punch is a totally silly machine. Using proprietary punches and dies is ridiculous, especially when you pay that kind of...
    5 replies | 340 view(s)
  • DR's Avatar
    10-18-2014, 03:12 PM
    It can take as much as 1/3 the punching force to get a punch back out of the part. Lube does very little good. Fortunately there's an ultra...
    5 replies | 340 view(s)
  • DR's Avatar
    10-15-2014, 09:32 PM
    DR replied to a thread Norseman drill sets in General
    Googling on : "Norseman 66820 29 Piece 1/16"-1/2" x 64ths w/3-Flats Hi-Moly 135 Split Pt Mech. Drill Set" I found the sets everywhere from $89.95...
    9 replies | 700 view(s)
  • DR's Avatar
    10-15-2014, 08:54 PM
    Photogrammetry may be what the OP is looking for. IME, it requires a series of photos from different angles to create a 3D model of the object. ...
    15 replies | 533 view(s)
  • DR's Avatar
    10-15-2014, 07:52 AM
    DR replied to a thread Tool gloat Hossfeld Bender in General
    I also got a killer of a deal on my hydraulic Hossfeld. To the uninformed seller Hossfeld tooling appears very crude, which some of it is. Mine was...
    3 replies | 421 view(s)
  • DR's Avatar
    10-13-2014, 10:53 AM
    Battery life on older electronic measuring stuff does seem poor. I have older special Mitutoyo calipers, center hole distance and edge to center...
    49 replies | 2152 view(s)
  • DR's Avatar
    10-13-2014, 10:45 AM
    Micrometers are a necessity, I find them cumbersome though. Say you're machining a group of parts with two diameters nominally of 1/4" and 3/4". In...
    49 replies | 2152 view(s)
  • DR's Avatar
    10-13-2014, 10:22 AM
    DR replied to a thread Drill sharpening jig question in General
    I pre-grind badly dulled bits by hand grinding, then finish off with a precision, dedicated drill grinder. The reason is I don't want to waste the...
    36 replies | 3401 view(s)
  • DR's Avatar
    10-13-2014, 09:48 AM
    "I've got a Monarch ee lathe that I picked up a few years ago. I had it shipped directly to Monarch to have the bed reground among other things. I...
    19 replies | 1503 view(s)
  • DR's Avatar
    10-12-2014, 05:16 PM
    DR replied to a thread tool gloat in General
    I still have scars on one hand from one of those type belt sanders. The problem is belt tracking needs adjusting while the saner is running and if...
    17 replies | 1278 view(s)
  • DR's Avatar
    10-12-2014, 05:09 PM
    DR replied to a thread Sunday- a day off?? in General
    I've made a point for years to take at least one of the weekend days off. Usually Sunday because the metal suppliers and tooling houses are open...
    91 replies | 3505 view(s)
  • DR's Avatar
    10-10-2014, 11:56 AM
    DR replied to a thread If you like free stuff in General
    What's a "national grid customer"?
    8 replies | 751 view(s)
  • DR's Avatar
    10-10-2014, 11:27 AM
    A friend does similar work as the OP. He has the same problems of larger shops eating him up on pricing. There's really no way a home built plasma...
    70 replies | 3376 view(s)
  • DR's Avatar
    10-08-2014, 01:23 PM
    DR replied to a thread G4002---g0752 in General
    How is the market for used lathes in your area? Have you looked for a used lathe? $2850, shipped, for a Grizzly seems like a lot of money. At...
    12 replies | 800 view(s)
  • DR's Avatar
    10-04-2014, 08:45 PM
    All that I've used have a 1/4" (?) center hole. The hole serves one of two purposes, allows coolant flow if used with a special coolant inducing...
    12 replies | 1133 view(s)
  • DR's Avatar
    10-03-2014, 11:32 PM
    DR replied to a thread Amusing goof on Enco's site in General
    Mine has V-jaws for gripping square stock across the diagonal corners. It also has replaceable top jaws so custom jaws can be made for most any...
    25 replies | 2242 view(s)
  • DR's Avatar
    10-03-2014, 11:29 PM
    DR replied to a thread Amusing goof on Enco's site in General
    I thought it was Screw Thread Insert.
    25 replies | 2242 view(s)
  • DR's Avatar
    10-03-2014, 11:05 PM
    DR replied to a thread countersinks, what say you in General
    We use the Severance countersinks in my old 1950-ish Atlas/Craftsman dp's all the time (love those Atlas machines, smoothest running dp's I've...
    21 replies | 1754 view(s)
  • DR's Avatar
    10-02-2014, 02:05 PM
    DR replied to a thread countersinks, what say you in General
    Those are commonly known as "fish eye" type. They're best for light deburring. Weldon (I believe) was the inventor and they used to say only for...
    21 replies | 1754 view(s)
  • DR's Avatar
    09-23-2014, 12:33 PM
    I didn't study the OP's configuration long enough to figure out how many axes he has... But, in the world of CNC machines it seems the count only...
    10 replies | 1033 view(s)
  • DR's Avatar
    09-20-2014, 08:33 AM
    Looks like the base for an Excellon drilling machine. Seller will deliver within three miles for 200 hundred bucks. Presumably more for longer...
    21 replies | 2382 view(s)
  • DR's Avatar
    09-17-2014, 06:40 AM
    DR replied to a thread 3M sanding belt problem in General
    My sander in question is the old classic 6x48 Delta in the vertical position. Work rests on the table. The edge of the table is approximately 1/8"...
    13 replies | 1127 view(s)
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About DR

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