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Welding and Machinist Classes

Hello I am an exhibits designer and builder for a museum. I weld and do some machining every week. I would like to take formal classes here in Philadelphia or the surrounding area but I can not find a single program! One would think that in a major city there would be something but no luck so far. Does anyone know of a school. New Jersey would be ok too. Thank You Montrose

Topic by Montrose    |  last reply


Pro woodworker seeks advice fro a machinist - I think?

So, I have 5 young nephews (5 - 12) that are super into Harry Potter. I want to make them individual, unique wands for Christmas. Not so much “traditional” HP style wands, but ones geared to each of their individual personalities. I am highly skilled with (and own) all major wood working hand tools and stationary tools, except (crucially) a lathe. Plus a lot of basic metal working tools. The goal - I would like to build a lathe like appliance, that would hold small wand sized branches / sticks, and execute assorted procedures on the branch... 1st - allow me to turn the workpiece at variable speeds (because most will not be straight). A sliding router jig would allow me to rough round theme most irregular pieces at a low lathe spin rate. I’m not so worried about achieving this goal. 2nd - I need one mandrel to be lockable (so I can inlay details with my router, for example). 3rd - I need to be able to INDEX and LOCK the mandrel at least at 6 to 12 positions (or 60 degree to 30 degree positions) - preferably the 12 position so I can make 90 degree faces, too). Unlimited stop options would be ideal, of course. This allows me to create all kinds of faceted surfaces and textures with different bits or tools. So, the obvious answer is go buy a wood lathe with an indexable and lockable mandrel. But I can’t find a cheap one, and I am a touch cash poor right now. I assume there must be a machinist mandrel head that will index like I’m describing, that I could build into my homemade appliance and power with a variable speed motor. But my main problem i have found is that I do not know the correct terminology. Any help? Thanks! Colin

Question by cnaughtin    |  last reply


T.O. Chapter of Tetra needs machinist

Hi, the Toronto chapter of the Tetra Society is looking for a machinist within the city who can volunteer some time and a machine shop. Tetra is a volunteer organization dedicated to designing and building assistive devices and adaptations that improve the quality of life for people with disabilities. Tetra would pay for the materials used, and the volunteer machinist may receive a tax receipt for the hours the machine shop is used for Tetra projects. If you know of a machinist in Toronto who's willing to volunteer time and shop space please let us know. Thanks.

Topic by Cruzin  


Wanted-machinist who has own equipment

I need a machinist to give me an idea if something can be made from a set of "not well drawn" plans i purchased off a website. We have to buy our own equipment for our job, and if this project is practical, it would save me a lot of money in the long run IF it's practical and reliable, plus of course Safe to use.

Topic by SSGDave    |  last reply


Does anyone know how to make/where i can buy a hit and miss engine?

I dont have a cnc or a laser cutter, but i would like to make one, and my friends dad might be able to make one (hes a machinist) but i dont know where to find plans for free. Where would i be able to buy one, that would be easer.

Question by Doveman    |  last reply


What is the correct name for this plastic?

I have seen this stuff used by machinists for jig making and small parts. What is the professional name for this plastic? I thought it might be ABS plastic but i dont know for sure

Topic by SlickSqueegie    |  last reply


How Sharp are Carbide Insert SHIMS? Machinists, never used these so I need help! Answered

I have a few secret upcoming projects in which I plan on using carbide turning inserts. Both for woodworking and metalworking projects, but not machining - their intended use.I was wondering if anyone has any experience using these. I was looking at buying square inserts, but I can find only shims like this: https://www.ebay.com/itm/292307002360 . Do you know if these are even slightly sharp? I mean, can I scrape wood with them with my hand, not in a milling cutter? Will they cut wood?If not, I was thinking about getting something like this: https://www.ebay.com/itm/173054401114 or https://www.ebay.com/itm/391346000853How sharp actually are these actual carbide inserts? Will these be able to scrape hardwood if I for example, hold them with pliers and scrap them across wood?Thanks!

Question by Yonatan24    |  last reply


On-camera engineer or rigger in LA area

Engineer, Machinist, Rigger or really clever Tinkerer who can be themselves on camera for a new Spike TV show about warriors throughout history. Position would entail talking about and setting up tests for weapons in fight laboratory. May be asked about their opinion on certain show content. Need someone between 25-35 due to their viewing figures.

Topic by rokada  


Soda Bottle Skylights

I love ingenuity, so I wanted to share this link to an article on a Brazilian machinist who makes skylights from water filled pop bottles. I'm not sure if these would classify as a budget solatube or a twenty first century deck prism.There's also a video, but it's in some obscure foreign language. Portuguese i think.I might add one to my shed...

Topic by Tool Using Animal    |  last reply


What is this weird reamer?

So I found this in the shop the other day. It looks like a normal reamer but it's not round. Four flutes extend to a larger diameter while four extend to a shorter diameter. The shorter flutes are sharpened just like the outer ones so they were clearly designed to cut something, even though they appear to have no clearance with which to do so. The tool has a keyed taper meaning it was intended for use in a heavy machine. The dimple in the tip of the tool does not go through the tool body.  Can anyone identify this weird tool? None of the professors or machinists I have shown it to have any idea what it is. 

Topic by ilpug    |  last reply


How to use a Jones & Shipman tool and cutter grinder?

Steveastro's magical workshop of many wonderful toys has a very nice Jones-Shipman model 311 tool and cutter grinder, the trouble is however, that we don't have a clue as to how to set it up and use it. Our master machinist says working these things is an art and that its a full 5 year apprenticeship on cutter grinding ALONE. We have a box full of essentially shredded endmills waiting to be sharpened and since we have the tool to do it, it would be quite worthwhile if we could acquire a bit of help getting it up and running.

Question by The Ideanator    |  last reply


Looking for a project buddy in Toronto

Hello, my name is Michael and I am looking for a project buddy (like a workout buddy) to help maintain motivation when working on projects. I live in Toronto, and due to size constraints I cannot work on projects in my apartment. I have access to a workspace located at www.interaccess.org (corner of Queen St and Ossington). I am looking for someone who would like to join me in working on projects. Much like a workout buddy. The goal is to find someone to meet up with and to go work on projects together so that we can both help keep each other motivated. In terms of the projects involved - We can either work together on the same project together (one week we could work on mine, one week we could work on yours), - We could meet up together at the same place (the interaccess workspace) and work on our separate & respective projects. Me I am a mechanical engineer with a machinist license, and an electronics and software background. I am an excellent tutor and have excellent fabrication and coaching skills. The workspace also has some electronic tools and shop tools. Please let me know if anyone is interested in joining me.

Topic by Meek_The_Geek    |  last reply


Maker Faire 2009: Scott Landon Woodturning and Lasercutting

Wood-turner Scott Landon was hanging out in the shop building at Maker Faire. He's trained as a machinist, but now spends most of his time at the Sawdust Shop working wood on the lathe and experimenting with the ways he can use the shop's Epilog laser cutter to do new things with wood. He's come up with some pretty amazing stuff!Traditional veneer inlays are quite tricky, so he's been experimenting with using the laser cutter to etch the space for the inlay then testing different materials to fill the gap. Check the pictures below for examples using thread, laser-cut fabric, laser-cut paper, and polymer clay as inlay materials. These materials are more conformal than wood veneers, and can span the curved edges of a bowl nicely. For those interested in following up on his experiments, he swears by Gorilla Wood Glue as it apparently dries without cloudiness. We'll definitely be trying some of his ideas here at with our own Epilog laser! I bought one of his small laser-cut paper pendants (see the red piece below) to put up at Instructables as inspiration.

Topic by canida    |  last reply


Small proximity sensors with short range and alarm either IR or RFID

I would like to make two key fob sized units that if brought within ~20cm of each other would sound an alarm from one of the units. I've seen a pair of key fob sized RDIF alarm tags that sound an alarm in one if moved more than ~10m apart. They sell for ~$50 US but I need something that accomplishes just the opposite from this device. I want to keep two pets away from each other (one bullies the other) and such a device would I believe accomplish this task. It seems like it should be relatively simple to design but I'm an artist and machinist and know little about electronics. I purchased a book entitled Practical Electronics for Inventors that has given me some knowledge about the basics of transformers, relays, capacitors, resisters, etc. but nothing on IR or RFID transmitters/receivers. Everything I read about RDIF is geared towards one stationary reader (or large hand-held unit) and one or more transmitters. I made one collar with an IR receiver from an R/C car and a small piezo alarm that would sound when I pushed a button on a remote. This works but only if I'm in the same room with the offending animal. I need something that works when I'm away or the animals are upstairs or in another part of the house. They are indoor only pets so the device need not be weather-proof. Anyone with knowledge of such things want to lend me a hand?

Topic by bigdaddyjt    |  last reply


Last day to enter your robot in Robogames

Whether or not you have entered the Instructables/Robogames contest, you can enter your robot in Robogames itself. But today, Monday May 19, is the last day to enter! (Instructables contest entry runs though June 29.)David Calkins, president of the Robotics Society of America which puts on Robogames, says:WHAT ARE YOU WAITING FOR?It's the last day to register. I know you LOVE to wait til last day, andtoday is it. So let's do it:http://www.buildersdb.com/eventdetail.asp?eventid=232"World's Largest Robot Competition"-Guinness Book of RecordsRoboGames, the world's largest open robot competition, invites mechanics,closet machinists, artists and engineers of all ages, skills and means tocompete at RoboGames this June. RoboGames is listed in the Guinness bookof records as the world's largest robot competition, and we want you to bea part of it! Yes! There is still time to register your robot.With over different 70 events to choose from, any robot, in any form, iswelcome to compete! From art robots to autonomous navigation, robot sumoto fire fighting, even bots that don't fit into any category can registerfor "best of show.""Top Ten Best North American Geek Fests."-WiredThe event is open to anyone, not just university students, professionals,or other schools. Some of the finest builders are garage mechanics andbackyard experimenters, but RoboGames also hosts professional engineers,robotics companies, and other organized teams. RoboGames also encouragesyoung engineers to come out and show their stuff, so we made more than 10events just for under-18 events with NO registration fees!"SportCenter's Top Ten"-ESPNParticipants will be joining an international field of competitors (over 30countries were represented last year) and competing for the prestigiousgold, silver and bronze medals awarded in every event! RoboGames is anexcellent opportunity to indulge mechanical know-how, adapt sciencefetishes for good and come out and play among fellow makers, thinkers andbuilders.The event opens to the public June 13-15th, and fills the stands withpeople eager to see your bot.Register here:http://www.buildersdb.com/eventdetail.asp?eventid=232

Topic by rachel    |  last reply