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Pins at the ends of mandrel

Hi guys, we just got our X-Winder (Prague) and have the same issue as many - tow is slipping at the ends of mandrel even with maximum rotation of 230 degrees. We were thinking of adding plate of same diameter as mandrel with pins at both ends of mandrel, so tow would hook on the pin and would not slide. This is very usable for small winding angles. Has anyone tried that? Is the machine able to keep exact angles at the ends so the tow does not collide against the pin? Or are inaccuracies in…

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Issues with 4th axis

Hi there i just assambled the Xwinder and startet runnig some tests. Now there are some issues with die DHR axis. Firstly on the drawings tabbed ring for locating the axis seems to be at a 45° angl towards the roller which isn't possible if the holes a drilled in the correct location. In the 4 axis videos it seems to be like a 90° angle. which one is correct? Ignoring that i started some dry runs and noticed that the rotation of the 4th axis on both sides of the Mandrel isn't the same.…

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4 Replies · Reply by Lauri Valtonen Dec 15, 2016

Almost up and running!

Hello all. I recently received my 4 Axis machine and am eager to get going with it. I have it set up on 12' long bars and have a few questions from the community. 1. I have noticed that my set up has a decent amount of torsional flex and sag. I will be adding more foot pads to it to compensate, but would like to know of any experience regarding how this adversely affects the part, and if anyone has done more than just add more foot pads? 2. I was wondering if anyone has attempted to do test…

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2 Replies · Reply by Walker Martin Nov 19, 2016

curved mandrels and other non symmetrical forms etc

Hello to all of you equally. Its my first post here, so straight to the point. I have been lurking here for a while to find more user reviews and opinions about this great looking machine. Reason why im still waiting before buying one (money of course) is that i would like to see or hear how have you succeeded to make non symmetrical tubes, like slightly bent tubes (bicycle frame tubes for example) or conical tubes, or any else form. Is it possible with this machine ? Another thing i have been…

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1 Reply · Reply by Guilford Smith Oct 3, 2016

Latest Activity

Miloš Marec left a comment for Miloš Marec
"...another test tube..."
Thursday
Miloš Marec left a comment for Miloš Marec
"Gentlemen, I need a help...I forgot the XWinder settings for this shape...Can you help me?
Thanks:)"
Thursday
Miloš Marec left a comment for Miloš Marec
"Hallo, here is my XWinder tube...88,9mm, 33°angle.
A little problem with heat shrink tape, but nothing terrible:):):)"
Thursday
Frode Stensaa is now a member of X-Winder
Jan 10
Dan Tryon replied to Jeremy Platt's discussion Mandrel creation and release
"5 gallon bucket taper! Plus 4 coats of paste wax. The perfect lamp shade!
Perhaps I had too much time on my hands that week. :-)"
Dec 30, 2016
Dan Tryon replied to Jeremy Platt's discussion What I have made so far
"What technique do you use to slip the finished product off the mandrel?  I have tried several different things and am still searching for the perfect mold release solution - even for simple poles like yours."
Dec 30, 2016
Dan Tryon replied to Nicholas Finch's discussion Finishing Tips and tube thickness
"I had the same problem with glass and carbon getting caught in the ends of the delivery head roller.  I have a simple modification that has fixed the problem. Two short pieces of PVC or wooden dowel. Slight flat on one side and screwed to the bracke…"
Dec 30, 2016
Antonin Herbeck replied to Nicholas Finch's discussion Finishing Tips and tube thickness
"Hi Nick, we have the same problem - carbon strands are jamming the side of the roller. Could you post pictures of your torus shape delivery head installation? Many thanks!"
Dec 22, 2016
Frank Curtis is now a member of X-Winder
Dec 21, 2016
nicholas gihl replied to Jeremy Platt's discussion Upgrading the kickstarter model winders
"Jeremy - maybe you can help . I was an original kickstarter backer and just got around to starting the machine . It seems x-winder.net does not exist . Did i miss an enclosed flash drive with the software and assembly instructions

Thanks
nic gihl
n…"
Dec 17, 2016
nicholas gihl is now a member of X-Winder
Dec 17, 2016
Javier de la Puente and Shahid Mehmood are now friends
Dec 17, 2016
Antonin Herbeck posted a discussion
Hi guys, we just got our X-Winder (Prague) and have the same issue as many - tow is slipping at the ends of mandrel even with maximum rotation of 230 degrees. We were thinking of adding plate of same diameter as mandrel with pins at both ends of man…
Dec 15, 2016
Antonin Herbeck is now a member of X-Winder
Dec 15, 2016
Lauri Valtonen replied to Hennag Hansen's discussion Issues with 4th axis
"Make sure that you have 1,8 amps going to the motor."
Dec 15, 2016
Hennag Hansen replied to Hennag Hansen's discussion Issues with 4th axis
"Ok figured a few things out now
The reason for most of my problems is the DHR Stepper losing steps. Mainly due to high friction. After a lot of fiddling and sanding I was able to reduce the friction quite a bit. 
Took a while until I found out that…"
Dec 15, 2016
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