Author: Greg

I try to be constantly working on learning new skills, and one that I have been wanting to learn is machine way scraping, a skill I plan to use when I rebuild my 1960 13″ South Bend Lathe. There are a bunch of new tools I will need to accomplish this, and a straight edge is one of them. I picked up this 18″ prism straight edge as a raw casting. The first step in preparing this raw casting to become a useful tool is to machine all of the necessary surfaces.

An extended length version of the 2 part series is available on my Patreon page.

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Last part of the power drawbar is the handle that attaches to the actuator from the previous video. This is the last part in the series. Happy to have this project complete.

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#bridgeport #millingmachine #drawbar

Next part of the power drawbar is the actuator that attaches to the handle pivot from the previous video. This part presses on the butterfly valve of the air tool to engage the drive socket.

Tap Handles: https://youtu.be/i8VuTDZnS3g?t=226
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Check out my blog: https://www.mylilmule.us
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#bridgeport #millingmachine #drawbar

Next part of the power drawbar is the handle pivot (made up name) that fits over the glide shaft (another made up name). This is all work done on the lathe in one setup.

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Check out my blog: https://www.mylilmule.us
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#bridgeport #millingmachine #drawbar

Next part of the power drawbar is the tool shelf (my name for this part). This requires a few holes to be bored in some relatively precise locations.

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#bridgeport #millingmachine #drawbar

Now that the K&T is up and running, time to move on to the universal milling head. This is not just a vertical head, but the head rotates on two axis as well. This is especially useful for milling at an angle, and with the right accessories, cutting helical gears.

BUT, this thing has problems. Not only is there some obvious signs of wear, but several special bearings will need to be replaced costing hundreds of dollars.

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#kearneyandtrecker #machineshop #restoration

Continuing work on the power drawbar for the Bridgeport. In this episode, I machine the gliding shaft to which the tool shelf and air tool are attached.

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Check out my blog: https://www.mylilmule.us
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#bridgeport #millingmachine #drawbar

Continuing work on the power drawbar for the Bridgeport. In this episode, I machine the vertical shafts the air tool will ride on as well as a couple of brass bushings.

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Check out my blog: https://www.mylilmule.us
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#bridgeport #millingmachine #drawbar

I am not quite vertically challenged, but it is a bit of a reach for me to tighten and loosen the drawbar on the Bridgeport mill when I need to change tools. I could have bought a premade power drawbar, but that’s not why I got into this hobby. This is the first part in a series of videos of how I made a power drawbar for my mill.

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Check out my blog: https://www.mylilmule.us
Instagram: https://www.instagram.com/mylilmule/
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Become a Patreon supporter: https://www.patreon.com/mylilmule
One time donation: https://paypal.me/MyLilMule
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#bridgeport #millingmachine #drawbar