Author Archives: K5FR

QST-30/60 After-Cooler & Other Mods

Posted on July 23, 2022 by K5FR

Well, it’s finally time to do another long over-due mod.I recently forgot to turn off the air compressor (AC) one night and as you might guess Murphy got me. During the night one of the air hoses ruptured in the … Continue reading →

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Carriage Drilling on the G0750G

Posted on May 8, 2022 by K5FR

OverviewCarriage drilling is adding a drill chuck to the tool post and use it in lieu of the tail-stock. I have never been real happy with using the tail-stock for drilling small holes (< 1/4″). This is mainly due to … Continue reading →

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Chip Shield for the G0750G

Posted on December 14, 2021 by K5FR

OverviewThis is another creature-comfort mod that I felt was necessary as I dislike hot chips being thrown on me and on the floor.  Obviously the hardest part of this project is a way to hold the chip shield and let … Continue reading →

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Variable Frequency Drive for the G0750G

Posted on November 12, 2021 by K5FR

OverviewWhile I was in the mood for modifying the lathe I added a Variable Frequency Drive (VFD) to it so I could vary the speed of the spindle without having to stop the lathe to change speeds. This mod was … Continue reading →

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Electronic Leadscrew for the G0750G

Posted on October 20, 2021 by K5FR

OverviewThis is a project I’ve been wanting to do for a long time. Effectively, the timing gears are replaced with electronics that read the RPM of the spindle and synchronizes it to a stepper motor or servo that drives the … Continue reading →

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Dial Indicator Stand

Posted on September 9, 2021 by K5FR

DescriptionThis tool is to provide a way to easily use a dial/test indicator without attaching it via a magnetic base or using the tool post. It can be moved around as it just sits on the lathe’s bed ways. Bottom … Continue reading →

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V-Groove Parallel

Posted on July 7, 2021 by K5FR

Ever wish you could hold a round rod (or square stock) in the mill vice and be able to drill holes or mill the entire length? Well, I have and decided to dedicate a tool to that task that would … Continue reading →

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Chamfer Machine

Posted on April 9, 2021 by K5FR

BackgroundThis is a long over-due project that I finally got around to doing. As all machinists know, when you machine material on a mill the after-effect is a burr on at least one side of the part which requires removal … Continue reading →

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Grizzly G0750G Lathe – Tool Post Indicator Holder

Posted on February 5, 2021 by K5FR

This is a tool post indicator mount designed to firmly hold a test indicator. Prior to this I was using a NOGA magnetic mount and it was real fussy to get setup. With this setup it is much more stable … Continue reading →

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Grizzly G0750G Lathe Compound Replacement

Posted on September 27, 2020 by K5FR

This modification replaces the compound slide with a solid cast-iron block. The purpose of this is to make the cutting tool MUCH more stable. The compound slide has looseness and limits the lathe performance. Below is the build steps that … Continue reading →

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