What's new

Search results

  1. N

    Enlarging a hole in aluminum on the drill press

    Hi folks, I have what I am sure is a rookie question so I appreciate your understanding. We often need to enlarge holes that are either 10mm or threaded M10 but need to be 12mm. Often this happens one part at a time but more common is 6-10 pieces. I get good results using a stub length drill in...
  2. N

    Simple manual engine lathe accuracy questions

    Hello folks, I'm hoping I can indulge myself here and ask for some of your experienced input. I'm attempting to learn from a very simple project which is outside of my experience. Honestly, I felt this was so basic, I posted on the hobby machinist site with some questions and details of what I...
  3. N

    Used tool addition thoughts for my shop (surface grinder)

    Hi folks, I'm hoping to get some input from the fine folks on here. I didn't put this question on the abrasive machining thread since I am asking such basic and general questions. I have been thinking of the possibility of adding a small surface grinder to my shop arsenal. I don't really NEED...
  4. N

    Bronze type to use for brake shoe inside a SB lathe

    I'm appealing to the amazing brain trust we have on PM. Mt 15" lathe uses a spring loaded brake in the geared head to prevent the spindle from "rolling" while in neutral. Mine has worn to the point of coming out of contact. I removed it all together to allow me to use the lathe (a while back...
  5. N

    Hardinge cross slide and compound parts?

    Hi folks, I have the top part of a cross slide with the compound for what I believe is a Hardinge cross slide top with compound. I wonder if I could get some help identifying it? I’d like to know it isn’t some rare part someone could really use before milling and drilling iron off of it to...
  6. N

    Took on a repair job for a broken bicycle bottom bracket (ww2 Swiss army bike)

    Hi folks, While not at all inline with my regular gig, a customer/friend brought in a broken part from a rare old bike. Basically it is a simple shaft that connects the two peddle cranks and is supported by ball bearings that are pre-loadable in the bottom of the frame. The bike is old and...
  7. N

    Practical? Question regarding drill chuck for knee mill

    Hi folks, I have a 2hp Bridgeport knee mill and have two drill chucks at present. One Chuck is a keyless with up to 3/8” capacity mounted on a 1/2” arbor and the other is a Jacobs 16N for up to 5/8” mounted to an R8 arbor. Often times I mount the big chuck to do smaller jobs like power taping...
  8. N

    Super basic question regarding hand files

    Hi folks, I have been thinking strange random thoughts about the most basic of machinists tools, the hand file. I have been brought up to use them in a particular way. Cleaning with a file card, stroking in one direction, draw filling etc. I have come to believe that it is nearly a crime to...
  9. N

    New to me Happenstance machine vise (Rohm). Worth having?

    Hi folks, I got involved in my first auction (might have to be my last too) of a company who closed their US facilities. I was after a band saw, but chickened out on the powermatic they had available. I got a couple items I can use but bid on and won 1 of two milling machine vises. I wanted...
  10. N

    Small contour saw

    Looking for advice on a bandsaw (contour) Hi folks, I have a question which I know people here can offer me much appreciated and valuable insight. I have a small business which is involved in small volume manufacturing and repair of coustomer components. We have specialists companies produce...
  11. N

    Old school trava-dial

    Hi folks, I’m asking this question to get some thoughts on if what I’m thinking makes sense I use a 15 x 60” lathe which is all metric. I like Metric and work in all Metric. I have a Trava-dial from my old lathe and miss the fast utility of it. Unfortunately, it reads in inches. My math...
  12. N

    “Jewelers” saw question. Slot cutting

    Hi folks, I’m certainly not an experienced machinist so this question may reflect that fact. I’m using a slotting saw on my Bridgeport and have been frustrated by problems with run-out of the saw blade. For years I used a cheap arbor and blamed the issue on it but more recently I purchased a...
  13. N

    5-7hp lathe on 230 1 phase help please

    Hi Folks, I am in need of a bigger lathe in our shop. power here is limited to 220v single phase (100 a max). When I installed our Phase 1 Bridgeport vert mil (2hp), I used a Teco (Westinghouse) VFD with wonderful results. My problem now is that I have located a Southbend Nordic 15 that would...
Top