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  • DR's Avatar
    Yesterday, 05:32 AM
    DR replied to a thread tube bending dies. in General
    Instructions for my Parker tube bender suggest if the wall thickness divided by the tube OD is less than .07 you need an internal mandrel. The...
    4 replies | 202 view(s)
  • DR's Avatar
    04-17-2015, 12:36 PM
    I hope you'll let us know how the Ward unit works out, both assembly and operation. I'm interested in one too and have no interest in a learning...
    11 replies | 762 view(s)
  • DR's Avatar
    04-10-2015, 08:07 AM
    That type unit could be mounted on a miling machine table to hold long (or short) pieces for milling. You could cut axle splines, square up round...
    11 replies | 986 view(s)
  • DR's Avatar
    04-02-2015, 06:31 PM
    DR replied to a thread Way Oil in General
    I haven't read the total thread, but just in case no one has mentioned...buy it from Enco with one of the 15% discount/free shipping deals. I did...
    77 replies | 5267 view(s)
  • DR's Avatar
    03-27-2015, 10:20 AM
    This is quite an odd question... How likely is it that anyone here would know what type of steel the rollers are made of? What diameter is the...
    20 replies | 1485 view(s)
  • DR's Avatar
    03-25-2015, 05:54 PM
    DR replied to a thread Made an Annular Cutter Holder in General
    Hard to imagine it'd be a patent issue. Wonder why they used something so different than a "standard" Weldon end mill configuration? Weldon...
    28 replies | 2086 view(s)
  • DR's Avatar
    03-25-2015, 05:44 PM
    Ever hear the saying, "if your wife doesn't burst into tears when she goes down to the basement, you haven't got much of a shop"? My wife teases...
    44 replies | 3855 view(s)
  • DR's Avatar
    03-24-2015, 06:10 AM
    DR replied to a thread Made an Annular Cutter Holder in General
    There's a way to improve on the OP's design with a bit more work. Remake the holder as shown with a longer shank. Make a shaft collar to fit the...
    28 replies | 2086 view(s)
  • DR's Avatar
    03-24-2015, 05:45 AM
    DR replied to a thread First knurling job questions. in General
    I bet it's an inexpensive knurl tool and somebody at the factory accidentally gave two of the same hand instead of opposites. As was mentioned...
    19 replies | 1713 view(s)
  • DR's Avatar
    03-24-2015, 05:32 AM
    DR replied to a thread Skewed profile cutter. in General
    I don't think you need to correct for rake angle. Just project onto the raked cutter blank. Rake correction applies mostly to rotating cutters. ...
    20 replies | 1512 view(s)
  • DR's Avatar
    03-19-2015, 11:25 PM
    DR replied to a thread Skewed profile cutter. in General
    It sounds to me what you're building would be similar in operation to a "back knife" lathe. Google on it if you're not sure what they are. ...
    20 replies | 1512 view(s)
  • DR's Avatar
    03-18-2015, 07:31 PM
    I love ads like the one here. My Hardinge came to me for a hundred bucks when I saw the ad for a "hard hinge" machine. Sometimes you can score by...
    7 replies | 1547 view(s)
  • DR's Avatar
    03-16-2015, 09:15 AM
    DR replied to a thread Clausing Lathe Value? in General
    Yeah, depends a lot on location. The speed control on those is troublesome, reduce price if it doesn't work well. Single phase (conversion ?)...
    7 replies | 840 view(s)
  • DR's Avatar
    03-14-2015, 08:03 PM
    Chrysler also developed the Superfinishing process for crankshaft bearing journals.
    6 replies | 983 view(s)
  • DR's Avatar
    03-14-2015, 12:21 PM
    DR replied to a thread End mill holder or collet? in General
    Not sure how far up the food chain you have to get in holders, but I did see an ad once that claimed their holders had the bore offset to compensate...
    53 replies | 4560 view(s)
  • DR's Avatar
    03-14-2015, 07:20 AM
    DR replied to a thread End mill holder or collet? in General
    Collets are only as reliable as the quality of their manufacturing. Given that a good many HSM's buy on price collets are not a good way to hold end...
    53 replies | 4560 view(s)
  • DR's Avatar
    03-12-2015, 02:53 PM
    Yep, I just saw that yesterday. The Online service doesn't do DXF. The desktop version appears to be the only way to do DXF. $300, that's not...
    18 replies | 1425 view(s)
  • DR's Avatar
    03-12-2015, 12:34 PM
    As of now the 3 day old listing is still up on CL, updated 14 hours ago. It's one thing to dream about what a good deal it MIGHT be, a totally...
    39 replies | 3898 view(s)
  • DR's Avatar
    03-12-2015, 10:27 AM
    Explanation.... I want Corel Draw for the bitmap tracing. I bought a used copy of X3, all legal, seller verified thru Corel. Unfortunately...
    18 replies | 1425 view(s)
  • DR's Avatar
    03-11-2015, 11:15 AM
    Looking on ebay for a legal copy of Corel Draw I see an ad for the X6 version at around twenty bucks. The ad shows the box the software comes in...
    18 replies | 1425 view(s)
  • DR's Avatar
    03-11-2015, 07:45 AM
    I would pass on it, even if free, unless I understood totally why it was taken apart. And would want some assurance all the parts are there. Just...
    39 replies | 3898 view(s)
  • DR's Avatar
    03-10-2015, 10:17 PM
    J Tiers, so what did the maintenance cost you? Last year I got the email about maintenance due, it said $200 (up from the previous year's $100). ...
    18 replies | 1363 view(s)
  • DR's Avatar
    03-08-2015, 02:01 PM
    Just my opinion, this is a thirty-five year old mill with problems, it's hardly what I'd recommend to a CNC noob. Parts are readily available, but...
    41 replies | 2413 view(s)
  • DR's Avatar
    03-08-2015, 05:40 AM
    No, it may have appeared he ran it all off a VFD, but it can't be done. He probably only ran the spindle with a separate 120V line for the control...
    41 replies | 2413 view(s)
  • DR's Avatar
    03-07-2015, 10:44 AM
    Is there such a thing as Alibre CAM? CAD, yes.
    41 replies | 2413 view(s)
  • DR's Avatar
    03-07-2015, 10:30 AM
    .083/1.375 = .06 That's not in the acceptable range for bending without an internal mandrel.
    17 replies | 1096 view(s)
  • DR's Avatar
    03-06-2015, 11:26 PM
    The manual for my Parker mandrel benders says if the wall divided by the tube OD is less than .07 you have unacceptable tube deformation without an...
    17 replies | 1096 view(s)
  • DR's Avatar
    03-06-2015, 12:41 PM
    DR replied to a thread Box and pan capacity in General
    In the Chicago press brake manual as a rule of thumb they say aluminum takes 1/3 the force of mild steel, SS takes 1-1/2 times the force. So, if a...
    19 replies | 1314 view(s)
  • DR's Avatar
    03-04-2015, 02:03 PM
    DR replied to a thread Acra Turn Lathe 1340 in Third Hand
    Acra Turn...? Are they still in business? If not, it's probably a generic Taiwan/China machine. Look at catalogs to find a generic...
    4 replies | 568 view(s)
  • DR's Avatar
    03-03-2015, 08:03 PM
    DR replied to a thread We've been screwed! in General
    Anybody mentioned Frearson? Is it the same as Robertson?
    64 replies | 5451 view(s)
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