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Re: Open (i think) design for a parallel robot (reprap may be interested)
<denschmitz@...> wrote: Delta robots can also be 6-axis. The "deltaness" comes from the fact they use rotational actuators. You can build three axis platforms with either actuator type. Actually
By Graham Stabler <eexgs@...> · #89004 ·
Re: Open (i think) design for a parallel robot (reprap may be interested)
Dennis Schmitz wrote: .... I don't think this is necessarily the case. I am working on a tripod-style design (yes, for home use), and so far, my software doesn't decouple the g-code interpreter from
By Mike Pogue <mpogue@...> · #89003 ·
Re: thk shs-series pricing chart
Hi David, Too bad the RF31 link is bad! Alan KM6VV figNoggle wrote:
By Alan Marconett <KM6VV@...> · #89002 ·
thk shs-series pricing chart
hi all (nice picture on the yahoo page!)- thought you'd find this useful when shopping around for linear guides and blocks. we drafted up this pricing chart for the thk shs series. this may also
By figNoggle · #89001 ·
water jet cam
Hi all, I've being reading about a water jet cutter, it looks like it can handle about any material, but it's slower than lasers. We got a lot of lasers running near by, but no water jets. So, I
By afogassa · #88999 ·
3 axis cnc milling machine
I have a 3 axis X1 cnc mill for sale. It comes with a clamping kit, 6 end mills and 3 end mill holders. The stepper motors are 180 oz/in and uses a xylotex board. I have a few cad and cad/cam
By close2retire <skemp@...> · #89000 ·
Re: Gecko 201 drives, can I drive them directly with a Parallel port on my computer
I have several pc's in my shop running various machines . All of them are gecko servo systems except for one stepper system. Each has it's own PC none of them have any issues with low voltage on the
By Dan Mauch · #88997 ·
Re: Open (i think) design for a parallel robot (reprap may be interested)
I've been thinking about this quite a bit. The problem breaks down to a couple of different issues. In a cartesian positioner, everything is fairly simple. Calibration is linear -- a step corresponds
By Dennis Schmitz · #88996 ·
Re: Gecko 201 drives, can I drive them directly with a Parallel port on my computer
Dan, thanks for the immediate response, long time no talk...like about 12 years...in any event, I miss stated the grounding piece. What I intended to say is the 65 vdc, the 5 vdc, as well as the
By Jim Dubois <jdubois@...> · #88995 ·
Re: Gecko 201 drives, can I drive them directly with a Parallel port on my computer
Robert, thanks for the quick response, the computer in question is an old computer that has been used for machine control for a long tims...a 486-100 mhz machine. While I also did test a more
By Jim Dubois <jdubois@...> · #88994 ·
Re: Gecko 201 drives, can I drive them directly with a Para...
By Jan Rowland · #88998 ·
Re: Gecko 201 drives, can I drive them directly with a Parallel port on my computer
The +5 must not be tied to ground . It should only be daisy chained wired to the +5 common terminals of each drive. Nowhere else. Dan Mauch low cost stepper and servo motors. cases for Gecko
By Dan Mauch · #88992 ·
Re: Gecko 201 drives, can I drive them directly with a Parallel port on my computer
Jim, If you have a new PC with a 3.1 buss voltage it most likely will not work. Many new PCs and laptops use a low voltage bus. The best solution is to use a breakout board that will buffer and
By Robert Colin Campbell <bob@...> · #88993 ·
Gecko 201 drives, can I drive them directly with a Parallel port on my computer
I have a problem with Gecko drives not working, I am assuming I have done something stupid or have overlooked something....or will a PC parallel port not actually "sink" the required 16ma? I have
By Jim Dubois <jdubois@...> · #88991 ·
Re: Bridgeport for CNC, what to look for?
Used Machinery Transport 425-820-2938. They can arrange movement from anyplace to anywhere. Their prices were resonable and they did everything they said they would when they said they would do
By Dan Mauch · #88990 ·
Re: Free Download at Hobbing.com''''''''''''''''s Gear CAD Library
Chang. Works fine now and downloads into the correct folder. John S.
By "John Stevenson <john@...> · #88989 ·
Re: Bridgeport for CNC, what to look for?
Cross town moving is about $250.00 here in So. Cal. From So. Cal. to Seattle will be way more obviously. You can get qoutes by calling the 800 numbers on many of the freight companies. If you are
By John Delaney <jdelaney2@...> · #88987 ·
Re: stewart platform
Graham, I don't measure the error. I manually "fly" the platform with a joystick to the position where it should be, and then record the length of the actuators that puts it at that place. To set
By Carl Mikkelsen <c.mikkelsen@...> · #88988 ·
Re: stewart platform
<c.mikkelsen@...> wrote: all >6 axes being varied. I'll do something like a gird measuring every 6 >to 12 inches, with Pitch, Roll, and Yaw at -30, 0, +30 for many of the >points. How do you go
By Graham Stabler <eexgs@...> · #88986 ·
Looking for a free G-code cut viewer
Any suggestions? Thanks, Roger
By vrsculptor <vrsculptor@...> · #88985 ·