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Type: Posts; User: joejared

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  1. Replies
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    Re: Cutting Aluminum on Techno Gantry

    My own experience with various technoCNC and techno-isel products has been to limit the cuts to about 0.025" per pass for aluminum, and increase feed rates based on the diameter of the tool. I don't...
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    As I said on the phone, Tim, WONDERFUL NEWS!

    As I said on the phone, Tim, WONDERFUL NEWS!
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    For my own routines for both 'touch off' on a...

    For my own routines for both 'touch off' on a proximity sensor and edge finding, after making contact, I have it back off about 1/16" and approach again, at a slower rate, much like a machinist would...
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    I'd like to point out a couple improvements I've...

    I'd like to point out a couple improvements I've made to both old and new machines. For the older machines, I have developed a bearing housing kit to get away from the spherical bearing...
  5. Ah, good to know. If things are on track, a used...

    Ah, good to know. If things are on track, a used LC4896 should be on its way here soon and in addition to that, probably a couple LC3024's by end of year, and a new inhouse built table. I think...
  6. We're confusing hardware and software. My own...

    We're confusing hardware and software. My own software supports both the older ISA cards and the PCI Cards, with only minor variations due to IO port changes. I've yet to use the Express PCI card,...
  7. Interesting group of statements? When I talked...

    Interesting group of statements? When I talked techno about it in 2009, they said there wasn't a newer package, so I wrote one. Was I lied to back then? All of my software is linux based. On more...
  8. It sounds like you're dealing with an ISA version...

    It sounds like you're dealing with an ISA version of their servo controls. That's the same Turbovision app as my own machine.After looking at what was supplied with the machine, I wrote my own...
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    Poll: My interface currently only supports the...

    My interface currently only supports the Lm628/629 code for Techno machines. I've yet to try interfacing to anything other than Acroloop and Techno machines, although I do plan to port the output...
  10. Standard electronics, but I also have velocity...

    Standard electronics, but I also have velocity profiling based on depth of cut and for continuous cutting at IPM I'm using a 4 flute 1/2" ball nosed endmill. It's my own software for future...
  11. Change the pitch or change the gear ratio. ...

    Change the pitch or change the gear ratio. Accept that it wont have the same torque though. Based on the numbers, I've had no trouble operating at 400 IPM for wood products, but run a tad slower...
  12. Jerky motion unless it's mechanical is likely due...

    Jerky motion unless it's mechanical is likely due to having 2 little distance between points or an equivilent of ipb (In positionn band) set too small. If it's happening largely in straight motion...
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    My own vacuum chuck uses #36 (0.089") holes and...

    My own vacuum chuck uses #36 (0.089") holes and worked well for 480 holes. It sounds like we've explored similar methods.
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    Easy enough. Got a 2 foot square? If so, also...

    Easy enough. Got a 2 foot square? If so, also get an feeler type indicator, align the square to the non-gantry, and then adjust the gantry axis until the indicator reads close to 0.000" over 2...
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    In my own project, I started with a $1325.00...

    In my own project, I started with a $1325.00 vacuum pump and a 6 port vacuum chuck that supports a 24" x 18" region, that I charged my customers $150.00 for. The chuck never changed, but ultimately,...
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    There are 2 problems, actually. First,...

    There are 2 problems, actually. First, excesserror is not being used on the LM628/629 chipset, which is why the machine runs away. In my own software, I typically set ExcessError to the equivalent...
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    I service my own machines and actually have made...

    I service my own machines and actually have made replacement components that work better than the Techno default hardware. In fact, I have 2 bearing housings that work better than the cluster f---...
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    Poll: Back in 2006, I took on a project to build my own...

    Back in 2006, I took on a project to build my own CNC. As all of the components were made by hand, I learned a considerable amount about what I could and couldn't do, and ultimately wrote a new...
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    Poll: I manually code, but it's not g-code. G-code...

    I manually code, but it's not g-code. G-code machines are a bit antiquated and awkward from my perspective and actually more difficult for my customers to use.
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    Poll: Back in 2006, I built my own CNC as my first...

    Back in 2006, I built my own CNC as my first self-taught lesson in machining. 9 months later, the most obvious next step was to design a language based on what I learned. 2 years later, I adapted...
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    I don't know about better, but I've made one for...

    I don't know about better, but I've made one for a specific application, the LC 3024 tabletop edition. I don't use brushes and it works with something as small as a shop vac.
    ...
  22. Thread: DaVinci

    by joejared
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    It depends on condition and operating ranges...

    It depends on condition and operating ranges (distances), and the electronics used. I doubt you could get more than $5K for an ISA bus based system, but the newer models depreciate slower.
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    MSDos? That doesn't exactly sound like G-Code. ...

    MSDos? That doesn't exactly sound like G-Code. It also sounds like an ISA bus interface, of which Techno doesn't support in terms of newer software. The irony to this is that the same code works...
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    I don't run Techo's software, but do believe we...

    I don't run Techo's software, but do believe we approach things identically in terms of motion. That being said, you also need to flip the homing direction and not just scaling to negative. In my...
  25. This doesn't sound like a calibration issue, but...

    This doesn't sound like a calibration issue, but rather bad thrust bearings, as mentioned earlier, which are producing an enormous amount of backlash. If the backlash is non-existant, it's also...
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