Announcement

Collapse
No announcement yet.

Line Boring Tooling pics

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Line Boring Tooling pics

    Found It!
    https://www.surplusrecord.com/srg/017657.htm

    Now you might ask.... this is Home Shop turf, so WTF?
    Well 35 years ago I just wanted a power hacksaw and a drill-press.
    35 years from now there may be none of this left anywhere.

    ISO 50 Taper Boring Bars

    (1)
    Length ............................. 151"
    Diameter ........................... 5"

    (1)
    Length ............................. 151"
    Diameter ........................... 6"



    Last edited by Old Hat; 08-23-2014, 09:24 PM.

  • #2
    Tail-Stock... could be put on a floor Bar Table
    more effort required, as it isn't going to follow along with the spindle head on the column.

    https://www.surplusrecord.com/cgi-bin/adpop.pl?749896



    Comment


    • #3
      Judging by the face on the steady rest bearing assembly somebody did not know what a face spanner is for . The real pain with line bring is checking size
      Forty plus years and I still have ten toes, ten fingers and both eyes. I must be doing something right.

      Comment


      • #4
        Originally posted by Spin Doctor View Post
        Judging by the face on the steady rest bearing assembly somebody did not know what a face spanner is for
        And they could have fixed that so easilly with a little blue paint.

        Originally posted by Spin Doctor View Post
        . The real pain with line boring is checking size
        Adding the distance from the bottom of the bore, to the bottom of the line bar......
        to the distance from the top of the line bar, the top of the bore......
        to the line-bar diameter is the only way I remember using,
        (checked with telescoping gages) or pins or plug gages.

        I'm gonna cross my fingers and hope you or somebody knows a better way!

        PS:
        ???Location: Kenosha, not the pass the other one???
        call me dimm, but I dunt get it!
        Last edited by Old Hat; 08-24-2014, 02:11 PM.

        Comment


        • #5
          Originally posted by Spin Doctor View Post
          . The real pain with line boring is checking size
          Man this is freak'n embarrassing!
          Why did I never think of using a planer-gage with an indicator mushroom screwed into the chair?
          That would have been far far far easier to measure the difference of the bore to the linebar O.D.!

          Comment


          • #6
            Inside mic above and below the plus the bar diameter. That's one way. PITA though. Planer gage. Good idea. Best IMO if possible is an indicator and a height gage.
            Forty plus years and I still have ten toes, ten fingers and both eyes. I must be doing something right.

            Comment


            • #7
              Realy old guys had I.D. spring calipers bent to clear the bar. I've done measuring with both ID & OD
              spring and friction calipers in a pinch to see how accurate you can be. It's the same as any other instrument.
              It all depends on the Man.

              But don't get caught using those today, or you'll be sent to H.R. for evaluation.
              I varify after the fact, and put the calibration ##'s of the appropiate mic on the inspection form.
              ================
              ...(RELATED)...
              I bought a Lufkin 82" I.D mic of Ebay years ago, incase I had the chance to bid onto a big Vertical Boring Mill.
              It didn't happen; and the one at Regenco was a 16 footer but rarely used.

              I found it's awesome from the table up to a line bar, or from the floor-plates up to the part
              on a floor-plate lathe.
              Last edited by Old Hat; 08-24-2014, 05:02 PM.

              Comment


              • #8
                The guy on our 5 inch G & L was the best......Bar None !

                rich
                Green Bay, WI

                Comment


                • #9
                  Originally posted by Rich Carlstedt View Post
                  The guy on our 5 inch G & L was the best......Bar None !

                  rich
                  WeLL, start typing !
                  Let's hear about it. I have to punch back into 2014 tomorrow!

                  Comment


                  • #10
                    Originally posted by Rich Carlstedt View Post
                    .... Bar None !

                    rich
                    Ga-a-a-a-ah!!! Tell me you didn't really post that.

                    Ahem!!

                    Bored more than a few double suction centrifugal pump cases, diesel blocks, shaft sleeves, winch frames, transmission housings, etc with that kinda stuff. If the horizontal boring mill is in good shaper you can bore the length capacity of the machine and hold bore geometry to 0.0008" roundness and 0.001" axis linearity.

                    Thanks for spurring my memory. I got stories.

                    OK, small hijack: What is a "heel dragger" and how is it used?
                    Last edited by Forrest Addy; 08-24-2014, 08:21 PM.

                    Comment


                    • #11
                      Originally posted by Forrest Addy View Post

                      OK, small hijack: What is a "heel dragger" and how is it used?
                      Imagine an "inside out follow rest", a heel dragger is an extension to, or part of, the cutting tool that bears on the bore and keeps deflection down. Similar to the "packed bit" that was used in ordinance shops to bore large caliber guns, these used wood blocks.

                      Comment


                      • #12
                        Now it's gett'n pretty!
                        Post 11 is like a great NightCap!

                        Forrest! Leave him be, I was happy~er look'n up to Masters, and hoping to be like them
                        than I am now, hoping I'm getting close to Measuring Up!
                        I'd like to think Maybe somewhere there is or was . . . . A Best! .... Bar None !
                        Then I can picture try-ing to catch him.
                        For Me , there is no "pursuit of happiness" , for me the Pursuit IS the Happiness!
                        Originally posted by Forrest Addy View Post
                        Ga-a-a-a-ah!!! Tell me you didn't really post that.

                        Ahem!!

                        Bored more than a few double suction centrifugal pump cases, diesel blocks, shaft sleeves, winch frames, transmission housings, etc with that kinda stuff. If the horizontal boring mill is in good shaper you can bore the length capacity of the machine and hold bore geometry to 0.0008" roundness and 0.001" axis linearity.

                        Thanks for spurring my memory. I got stories.

                        OK, small hijack: What is a "heel dragger" and how is it used?
                        Last edited by Old Hat; 08-24-2014, 11:32 PM.

                        Comment


                        • #13
                          Originally posted by Forrest Addy View Post
                          OK, small hijack: What is a "heel dragger" and how is it used?
                          Hah, you can't fool me Forrest, you asked that same question back in 09 or 06 or??

                          Now I didn't invent this thing, but I did build this particular one to go with my 5"пи bar. I can't believe no one else has posted one?? It works great when you have the room. Otherwise it is spring/firm joint calipers, or push the bar out of the way and measure, then re-attach the bar and set up the dial indicator to tap the tool out the last .005"-.010".

                          Dave





                          Comment


                          • #14
                            Originally posted by becksmachine View Post

                            My God that's beautifull Dave !
                            ...........the tool ! And yes 4 pounds of Cashews too, but that Tool.

                            I'm gonna go back to sleep and try to dream a dream where I need that!

                            Comment


                            • #15
                              A good bar man always has his nuts at the ready.



                              Dave

                              Comment

                              Working...
                              X