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  • DR's Avatar
    Today, 08:56 PM
    DR replied to a thread Trump killed TPP so... in General
    On another forum members were mentioning price increases at Grizzly. Whether the increases had anything to do with trade agreements or whatever was...
    21 replies | 683 view(s)
  • DR's Avatar
    Today, 08:46 PM
    Yep. those are the ones. The torch is different though, but same principle of screw to puncture cartridge.
    12 replies | 306 view(s)
  • DR's Avatar
    Today, 07:29 PM
    When the current cartridge is empty I may try refilling through the nozzle. Although the poster of that technique indicated it didn't work well.
    12 replies | 306 view(s)
  • DR's Avatar
    Today, 04:21 PM
    Nope, not that type of cartridge, this one is disposable. You stick it in the torch body, tighten a screw that pushes on the bottom of the cartridge...
    12 replies | 306 view(s)
  • DR's Avatar
    Today, 01:57 PM
    Butane cartridges, the small ones like C02 cartridges. Approx 3/4" diameter by 4.8" overall length. They're used in a torch called "The Cub" by...
    12 replies | 306 view(s)
  • DR's Avatar
    Today, 01:42 PM
    DR replied to a thread VFD's; digital vs analog in General
    FWIW, when I was making copper bus bars for Baldor my contact engineer told me all current Baldor motors will handle 5,000 rpm. Not sure about any...
    17 replies | 416 view(s)
  • DR's Avatar
    01-21-2017, 10:31 AM
    DR replied to a thread Tricks for dial engraving? in General
    I suggest making dials much larger diameter than typical. A good example would be the dials on Hardinge chuckers, they must have been close to 5"...
    12 replies | 880 view(s)
  • DR's Avatar
    01-20-2017, 12:48 PM
    My concern would be noise as another poster mentioned. Secondly, what about the gears? Will they hold up over time? And, what's the issue...
    27 replies | 1547 view(s)
  • DR's Avatar
    01-20-2017, 12:31 PM
    Doc,l do you have a CNC mill, I didn't think you did? Is this an immediate need or a long term plan? If long term, you should have a mill with at...
    7 replies | 472 view(s)
  • DR's Avatar
    01-17-2017, 02:57 PM
    With a TP grinder it's handy to have an internal spindle accessory. Do these? Size-wise these are serious grinders with decently large wheels,...
    26 replies | 1399 view(s)
  • DR's Avatar
    01-17-2017, 02:15 PM
    Scissor knurl tools for me. For the manual lathes a generic, cheap, no-brand-name tool. For the CNC where tooling space is a premium I have a B&S...
    43 replies | 2153 view(s)
  • DR's Avatar
    01-17-2017, 01:38 PM
    DR replied to a thread Using Woods Metal in General
    FWIW..... The instruction book for my Parker tube bender (that's Parker as in hydraulics, etc) says when the wall thickness divided by the OD is...
    22 replies | 1146 view(s)
  • DR's Avatar
    01-16-2017, 07:41 PM
    That isn't a regular split point, it's something special. Maybe a Winslow point? Not a point that's going to be easy to find a grinding shop to do...
    22 replies | 1548 view(s)
  • DR's Avatar
    01-16-2017, 03:06 PM
    That is indeed an expensive drill. Since you don't have the equipment to make best use of it, IMO, the best thing might be to sell it and reap the...
    22 replies | 1548 view(s)
  • DR's Avatar
    01-16-2017, 08:27 AM
    This is not something I would spend a lot of money on. 5C collets are primarily for work holding not tool holding. 5C collets do not have a wide...
    32 replies | 2850 view(s)
  • DR's Avatar
    01-14-2017, 12:42 PM
    DR replied to a thread Cutting down a bearing race in General
    It's called "hard turning". Usually done on rigid, commercial grade machines with expensive tipped inserts.
    30 replies | 1827 view(s)
  • DR's Avatar
    01-14-2017, 12:36 PM
    DR replied to a thread OT: How To Sell A New Tool Idea in General
    A couples comments........ No legal opinions because I'm not qualified like so many of you appear to be. 30 years experience in manufacturing...
    61 replies | 2325 view(s)
  • DR's Avatar
    01-12-2017, 01:11 AM
    AFAIK, there are no brand names in collet blocks. They all seem to be unbranded generic. Buy from a place with a decent return policy using a...
    25 replies | 1271 view(s)
  • DR's Avatar
    01-12-2017, 01:03 AM
    One nice thing about my commercially built press is the double acting cylinder. Power down and up. I've done broaching and deep drawing where the...
    30 replies | 1344 view(s)
  • DR's Avatar
    01-10-2017, 10:42 PM
    What is the class of the nut you're using for a gauge? Class 3 should never need a wrench.
    27 replies | 1582 view(s)
  • DR's Avatar
    01-10-2017, 07:55 AM
    DR replied to a thread 6" Long Gage Pin Source in General
    Have you contacted a gage pin company? That would my first place to check. Do you need the usual +/- 2 tenths off nominal accuracy? HSS drill...
    14 replies | 739 view(s)
  • DR's Avatar
    01-09-2017, 08:43 AM
    I would be suspicious of the variable speed head, at 20+ years old it's about ready for repairs, if not done already. I consider those heads a price...
    13 replies | 592 view(s)
  • DR's Avatar
    01-08-2017, 12:55 PM
    DR replied to a thread Dies for threading OD stock in General
    Even the dies meant for cutting new threads are a poor choice for cutting accurate threads. You have a tapered lead in which is good, makes...
    28 replies | 1298 view(s)
  • DR's Avatar
    01-06-2017, 10:40 PM
    DR replied to a thread Nove type Woodworking Chucks? in General
    Exactly.....as far as using for metal turning, don't waste your time and money.
    7 replies | 492 view(s)
  • DR's Avatar
    01-05-2017, 10:46 AM
    This is sort of like peck drilling to break chips and clear the hole. More sophisticated in oscillating the tool within a single revolution of the ...
    22 replies | 1512 view(s)
  • DR's Avatar
    01-05-2017, 02:43 AM
    Hmmmmmmmm........where you buying your taps and what quality are you buying? There actually are standards for tap shank size and square on the end...
    85 replies | 4808 view(s)
  • DR's Avatar
    01-05-2017, 01:49 AM
    DR replied to a thread I need to have a 3D model made in General
    Come on....there are 3D printing service bureaus all over So Cal who would be ready and willing to do exactly what the OP wants. The problems he's...
    36 replies | 1859 view(s)
  • DR's Avatar
    01-04-2017, 02:29 PM
    Surface grinder wheels are mounted on hubs with an internal female taper. That taper in turn mounts to a male taper on the grinder spindle. In...
    46 replies | 5404 view(s)
  • DR's Avatar
    01-04-2017, 01:52 PM
    I'll vote with the "stone it off smooth" and nothing more crowd. Having a smooth surface will give a good mount area for a mag base indicator.
    25 replies | 1457 view(s)
  • DR's Avatar
    01-03-2017, 12:29 PM
    Relating to capacitor sizing, somewhere I have a formula (can't find it right now, might be on another computer) for sizing start caps. I have...
    36 replies | 1290 view(s)
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About DR

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