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Type: Posts; User: JohnCoker

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    quick way to zero Y at indexer center?

    I have my indexer running along the X axis. I used the "move tiny bits and examine" approach to get close then tested by balancing a small rule and dropping the Z down to make sure it remained flat...
  2. indexer mounting options on gantry machines

    I've been a happy Desktop user for several years now and really want to get an indexer, but the one that works with the Desktop is too small.

    I think the optimal would be a gantry machine 48" x...
  3. Thread: loose sensor

    by JohnCoker
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    Thanks Scott, I didn't see a screw hole, but...

    Thanks Scott,
    I didn't see a screw hole, but that picture helps me know where to look more closely.
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    Yeah, I did some googling and that's an option,...

    Yeah, I did some googling and that's an option, but eventually I'll need to update that computer and I'm considering a second ShopBot which will need a new computer. So I wanted to know if taking the...
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    So, I take it that the SB3 software works just...

    So, I take it that the SB3 software works just fine on Windows 10? (I'm still closing the GWX nagging each time I use the Windows 7 control computer.)
  6. Thread: loose sensor

    by JohnCoker
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    loose sensor

    I just noticed what looks like an X axis sensor is loose on my machine. I'm not sure where it's supposed to attach, but I'm guessing it's not supposed to be just hanging on the wire!

    28029
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    Can you use the Z-zero plate with the drag knife...

    Can you use the Z-zero plate with the drag knife or is that too much force on the corner of the blade?
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    I ordered the drag knife, since that seems to be...

    I ordered the drag knife, since that seems to be the best option. While waiting for the cutter to arrive, I decided the try using a normal end mill and sandwiching the gasket material between...
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    I assume the drag knives work without the spindle...

    I assume the drag knives work without the spindle turning. Is there a way to leave the spindle off for a cut?
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    cutting gasket material

    Can custom gaskets be cut with normal end mills? Perhaps the drag knife would be better, but only for the very thinnest gasket material.

    I'm looking at something like this adhesive gasket sheet...
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    A friend who works in RF (WiFi devices) suggested...

    A friend who works in RF (WiFi devices) suggested putting an RF choke on each end of the USB cable. This is a very easy solution that perhaps should even come with the ShopBot since these chokes are...
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    Tech support suggested that this could be due to...

    Tech support suggested that this could be due to a grounding problem:


    "It sounds like you have a communication issue between your computer and the desktop, this is usually caused by interference...
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    Just to be specific about that non-specific...

    Just to be specific about that non-specific error:
    25557
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    How to analyze non-specific errors

    I've tried to cut a profile and 2 of the 3 tries stopped in the middle (different spots) with a yellow error dialog with no specific error message.

    What should I do when this happens to further...
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    Since this thread is still active, I'll answer my...

    Since this thread is still active, I'll answer my own question: yes, I am extremely happy with my Desktop! I have made many parts with it and keep finding new uses.
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    I was hot on this upgrade until I realized that I...

    I was hot on this upgrade until I realized that I would rarely be able to take advantage of the extra travel. I'll probably do it given the reasonable price, but I'd hate to lose precision because...
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    My personal web site (http://jcrocket.com/) has...

    My personal web site has pictures and video of my projects. The group site has pictures and video of the 100k' flight.
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    Our group (http://aeropac.org/) flies at the...

    Our group flies at the Black Rock desert in Northern Nevada. Indeed, there is extensive work to get land use and airspace use permits.

    What's the point? Well, there are lots of challenges...
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    We fly GPS units with Telemetry for higher...

    We fly GPS units with Telemetry for higher altitudes, but 7000' is low (you can see the entire flight). I've flown to 44,000' personally and been part of a project that went to 105,000' (those are...
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    rocket: 25% scale Aerobee

    My hobby is rocketry and we use lots of plywood, aluminum and composites, all of which I've cut with my Desktop in the process of building a 25% scale Aerobee.
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    I'm not sure, it doesn't say on the product...

    I'm not sure, it doesn't say on the product description:
    http://www.cstsales.com/carbon_plate.html
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    I considered the enclosure, but didn't buy one. ...

    I considered the enclosure, but didn't buy one. I did recently purchase a dust shoe with longer bristles for use with longer bits, which seemed like a better option because there was no extra...
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    I've used the Alpha at the TechShop for some...

    I've used the Alpha at the TechShop for some parts, but the part in the picture I posted was cut on my Desktop. (Everything in that video was made with the Alpha, but now I'm using my Desktop...
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    I started with the sample provided by ShopBot: SB...

    I started with the sample provided by ShopBot: SB Desktop Starter Set / Aluminum / 1/8" Straight


    Pass Depth: 0.01"
    Stepover: 50%
    Spindle Speed: 17000rpm
    Feed Rate: 2.0 ips
    Plunge Rate:...
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    Aluminum sheet cuts easily. I've cut 2024 in...

    Aluminum sheet cuts easily. I've cut 2024 in 1/16" and 0.100" thicknesses using a 1/8" 2-flute end mill.

    http://jcrocket.com/images/aerobee/nozzleaftplate.jpg
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