Milling Machine Fundamentals

CTH Equipment Workshop

Have you ever wanted to learn how to use a Milling Machine? At our most recent “Intro to the CTH Workshop“, Matt gave a great overview of our Bridgeport milling machine. Attendees learned the specific uses for drilling, milling and boring as well as how to change the tool in the machine. Matt also went over using an edge finder and the DRO (digital readout) for super accurate positioning. Now, no piece of metal is safe from modification into some cool project. Each “Intro to the CTH Workshop” will focus on a different piece of equipment. Future workshops will be listed on MeetUp.

SQL Workshop: SQL Wars aka SQL Jumpstart

Felt left back in this data-centric era?SQL Icon

Have problems describing needed reports to colleagues?

Sean N. Henderson will be helping beginners understand how to get better results at work by understanding SQL – a language used to retrieve portions of data from a database.  Sean is a software developer and IT professional with over two decades experience working with databases and happy to share his knowledge and expertise in this area with the CT Hackerspace community.

Visit the CT Hackerspace EVENTBRITE PAGE for further details and pre-register for this event on September 21st at 7:30 PM. Continue reading

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Improvising – Using One tool in the Hacker Toolbox

Success in a roundabout way thanks to improvising.

Hacking is finding your solution and obtaining your goal by out of the box thinking.

One of our projects has been trying to interface an old Vinyl Cutter / Plotter with newer software options (post 1996!) After months verifying separate components, we still have been unable to get get it all of the parts to correctly work as a system. (if you know Linux, Serial, and HPGL we would love help in getting our hardware fired up correctly!)

mount

Custom CNC Mount for Vinyl Cutter Blade

At wit’s end, and help from everyone in the CTH community, the vinyl cutter cutting blade was installed in an improvised mount that was interchangeable with our  operational hand-built CNC router. The vector logo file was loaded and cleaned up in Draft Site. We then converted the image to g-code (compatible the router software) with a 1/16 cut depth.

Continue reading

Harvey’s Super Huge Printer Now Moves

Harvey's Huge PrinterHarvey has been working on this unreasonably huge 3D Printer for longer than most of the other members have been alive. Well, today marks a momentous occasion, it now moves in all 3 axes!

The printer design is 100% Harvey. It’s all scratch built and went through many on-the-fly revisions during the assembly process. The frame is a 2 foot cube and the print area will be 15 inches cubed. He’ll have to rent a pickup truck to move it!

The Z-axis isn’t leadscrew or belt driven like found on most printers. Here, there’s an elaborate system of kevlar fishing line and pulleys. Today it worked perfectly, raising and lowering the print surface evenly. Now it’s time to set up the firmware and limit switches!

CT Hackerspace wins the 2014 “LulzBot Hackerspace Giveaway”

LulzBot-MiniMany members in our community recognize the full value in what open source can mean with a direct correlation to innovation. We are very excited to see that Lulzbot recognizes our commitment to open source by choosing CT Hackerspace as a winner to their 3D printer giveaway contest . We look forward to working with a community with innovation at the core of their “open” philosophy. The Lulzbot Mini 3D printer will be a great tool to have in pursuing future inventions and creations by both our members and our surrounding community.

UPDATE: Our printer worked right out of the box. The heated build platform and automatic bed probing works excellent. This printer is a real workhorse. Check out our dedicated Lulzbot work station, it’s always ready to rock and roll:

CTH Lulzbot