Projects and Articles by Our Members!

Scraping in all bearing surfaces on my Wards/Logan 10"
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I've been working on my lathe off and on over the past several weeks or months, but I've been hesitant to start a thread documenting my progress (or lack thereof!) for fear of embarrassing myself. I'm increasingly confident that I'm going to end up with a very precise lathe rather than a very large pile of cast iron dust and tears, so I'm finally willing to share my progress. After creating a new cross-slide for my lathe some time ago, I'd already spent a lot of time scraping in the...
KO-Lee Cutter/Grinder Revamp
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Perhaps you've seen this from other photos... It's a KO-Lee cutter grinder. It's a good platform and the table and all mechanisms are in excellent condition. I don't think this machine was used much in it's lifetime as there are very few signs of wear (hardly any at all really). The motor is the weak link. The bearings are going bad and vibration can be felt in the short shaft. The long shaft is OK. The seller told me about this when I got it. I'm guessing someone bumped a wheel...
Restoring an old powered hacksaw
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Figured I'd share my restoration project! I've always found these old machines quite cool and when a neighbour offered me a defective one for free, I couldn't say no! :D This is the machine as I got it, it runs but won't lower the sawblade so you have to manually push it against the work piece, which becomes quite the challenge and dangerous as heck when it's moving back and forth. The thick bars protruding on the side are from an automatic feed system that's been cut off. By pure chance...
9A project completed
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Some of you guys may remember this little crudball I acquired back in April... I had just completed the last project, the Seneca Falls #30 resto-mod,(project of the month) when this lathe found it's way to me via a friend of a friend. My friend, who is also a tool salesman, showed me a pic of this on his phone, which came from his friend, the seller, who now is a retired tool room supervisor. He had this in his back building just taking up space and wanted the room for some of his...
Clausing 1771 Drill Press Restoration
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I picked up a Clausing variable speed drill press from a Craigslist ad. I offered the guy $200.00 and he accepted. The drill press was in decent overall condition, and had a new motor on it. I disassembled the machine and cleaned up and painted everything. Mechanically, it was in very good condition, and the only real repair work I did was to straighten a few of the handle arms. One really nice feature is the table lift, which works great on that heavy table (btw: the table doesn't...
KO-Lee Cutter/Grinder Revamp
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Perhaps you've seen this from other photos... It's a KO-Lee cutter grinder. It's a good platform and the table and all mechanisms are in excellent condition. I don't think this machine was used much in it's lifetime as there are very few signs of wear (hardly any at all really). The motor is the weak link. The bearings are going bad and vibration can be felt in the short shaft. The long shaft is OK. The seller told me about this when I got it. I'm guessing someone bumped a wheel...
Capacitor Tester (don't throw away that old multimeter!!)
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Years ago my old analog multimeter passed away. I had the bright idea to keep the meter, in case I will make something useful out of it later, and threw away the rest. That “later” came a few days ago when I needed a way to test Equivalent Series Resistance (ESR) of some electrolytic capacitors that looked good but die quickly. Let’s take the story from the beginning! The need to test capacitors’ Equivalent Series Resistance (ESR) increases daily because more electrolytic capacitors are...
Construction details of A Complete 13.8 Volt, 50 Amp Power Supply
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In part-1 Ioutlined the basic needs of an high current power supply and dealt with the protection circuits needed for safe operation. In part-2 I will deal with the construction of the unit itself including PCB layout, wiring diagrams and testing. Construction can be split up into five parts: 1. Construction and testing of the PCB. 2. Making the case 3. Pass transistors and heatsinks construction. 4. Wiring and testing of the transformer, rectifier and smoothing capacitors. 5...
Oil Can #2
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I was greatly inspired by Hackmasters beautiful oil can clone. I decided to do a run of my own with a simpler design. It was suggested that I start a new thread here and not hijack the other thread. The plan was originally solid brass. I realized that the pump housing would add too much weight so I went with an aluminum pump housing. I was sort of emulating this original as posted by Hackmaster: Here is the base pattern: Its about 3/16" thick at the edge. I will turn it down...
Making a couple of threaded spindle backing plates for my lathe
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When I sold my Atlas 10F24, I held on to my Bison 5” 3J, as it was fairly new. Naturally I needed to make a new backing plate to mount it onto the new lathe. The old plate was 1 1/2” X 8 while the new spindle is 2 1/4” X 8, so I needed new metal to do this. I recently purchased 2 backing plates from Busy Bee Tools. They are 8” semi raw castings. They are turned to clean off the rough cast surface and the center hole is 1” ID unthreaded. First I started by reading up on what could be the...
Clamptite tool
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I first saw this tool in post #845 of the (Project of the day / what did you do in your shop today)http://www.hobby-machinist.com/attachment.php?attachmentid=63748&d=1383509051. This was posted by Andy Wander. I new when I first saw it that it would be a great little Christmas gift for the men in my family as most of us work with our hands & we're constantly trying to get the most out of what ever resources that we have close at hand. I decided that I would make about 20 tools & that should...
Using three pin gauges to extend measurement range
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I could not resist getting a gauge pin set…0.061 to 0.250 covers a good range that snap gauges can’t. Edit: these are minus sets, no bigger than the stated diameter, no smaller than two tenths under.

HTP Invertig 221 thermal over-load torture test. Real-world results. Very surprised !

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So a FlyFishing piqued my curiosity as to what the "real world" thermal limits are on my Invertig 221. By "real world" I don't mean worst-case scenario, but rather what the machine would experience in an average shop. This was rather impromptu, so I don't have video footage (yet), but the data I'm presenting is factual. Ambient temperature: Picture showing machine at thermal overload: test piece to absorb a lot of heat: Machine showed 217A on the display. Not sure why not...
My slow speed diamond disc lapping machine, the beginning
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I have all the materials. The idea is to mount this 90 RPM drive motor on the 1/2” aluminum plate. There will be an 8” lapping disc that will register on a hub on the wheel. Magnets will hold the disc to the plate. An adjustable tilt platen will allow for precise angles to grind high speed tool, carbide blades for scraping or brazed carbide cutting tools. The discs come in grits from 250 to 2,000 grit as far as I know. There will be an off switch and a forward and reverse switch. I found the...
Adding Zero-Clearance to cast iron bandsaw table
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Hi all, I think this is my first post here - been lurking around for the last year or so. I have an Enco 360 bandsaw I picked up earlier this year. Two things quickly became evident: - It would benefit from a fence, which was a nice little project to make - The gap in the table for the blade is far too large for detail work or small parts. This saw seems to be designed for grunt work light commercial use, maybe on larger sheet metal or other parts where "whoops it got sucked into the...
My adventures with my RF-30
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In this thread I will document my adventures in getting this mill from the dealer to up and running in my garage. I have another thread here that documents some of the early research and mills I looked at. I just bought an RF-30 clone. It was originally sold by Rutland Tool, which I remember as a local SoCal company in the 80's. I bought it at a machinery dealer in Pomona, Wheeler Machinery. Nice people, very reasonable to deal with. I was pleasantly surprised. I got the mill and a 5" Kurt...
Bridgeport CNC with Masso Controller/Clearpath
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This is going to be my first CNC build and my First build log. I've decided that a build log on this forum might be a good idea for this project so the next guy to take on this project doesn't have to deal with the stupid stuff I'm already running into. This is my Masso Controller I will be using 3 Clearpath Stepper Killer servos model# CPM-SDSK-3432S-RLN They are a little over 6" long... almost 3.5" 1/2" shaft with a 3/16" keyway I will be using Teknic's IPC-5 75VDC power supply But...
Restoring an old powered hacksaw
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Figured I'd share my restoration project! I've always found these old machines quite cool and when a neighbour offered me a defective one for free, I couldn't say no! :D This is the machine as I got it, it runs but won't lower the sawblade so you have to manually push it against the work piece, which becomes quite the challenge and dangerous as heck when it's moving back and forth. The thick bars protruding on the side are from an automatic feed system that's been cut off. By pure chance...
PM30 One-Shot Oiler System
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Hey guys, I recently completed a "one-shot" oiler system install on my PM30 Bench Top Mill. Decided to go with Bijur metering valves, junction blocks, 4mm nylon and brass tubing, and other misc 4mm (5/32") fittings. However, I opted not to purchase the Bijur "one-shot" oiler, instead, I found a "similar" unit on Amazon for a lot less $$$$! :) Here are some pics ... Adding a "one-shot" oiler system to my PM1340GT's quick-change gear box, is in the "works" !!! I plan to...
The fixture plates and clamps
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Hi everyone, I just got started with this little weekend business of mine. I am interested in selling a line of fixture plates and what I call "low-profile" clamps to go along with them. This got started because I told myself that I would make my own fixture plate about a year ago when I needed to machine something that the vice would not really help out with, and I just never got around to it :rolleyes:. Then, the Corona hit and I was bored out of my mind and revisited my clamp idea for...
A look inside Precision Matthews warehouse February 10, 2020
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I have people ask all the time about our company and machine stock, saying they’ve heard we only order a couple machines at a time as needed and don’t really stock things, or just general questions about if we will be around to support customers in the future. Well I was walking around the warehouse tonight and grabbed a few pics just for people to look at. These were all taken tonight Feb 10th 2020 at about 10PM. This only shows about half of our current stock, work shop, parts area...
Precision Matthews Warehouse Feb 10, 2020.
Norman Style QCTP
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I have been using my Norman style QCTP and have sorted out the problems that came up through use. Instead of placing my findings at the end of the very long thread on making it I thought that it would be better to put everything in one place. First off you have to measure the distance from the top of the compound to center line on your lathe. 1 3/16" on my craftsman 12x36 lathe. Next you have to decide on the maximum size tool bits that you will be using. In my case I wanted to be able...
Keep Your Eye on the Ball
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Cooler weather is coming, the kids are going back to school, and cottages are closing up. While it might be bittersweet to see summer coming to an end, it means that we settle back into a routine and start new projects. We decided to start the season with a fun demonstration on how to make a plastic ball using a tool that many people are unaware exists. We used a radius cutter and the lathe. When paired with a lathe, radius cutters are responsible for making concave or convex shapes. The...
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