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Filament Skipping

Hi everyone this is my first time posting here. I am noticing an issue with the start of the second pass of a helical wind. On the second pass it tends to space out a good distance from the first pass going from right to left. On the return from left to right everything starts falling into place from there on.

Is there a reason why it does this and is there a way to fix it? I’ll get a picture tomorrow when I make a tube.

Your help is most appreciated.

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Comments: 0

Y-Axis Offset

I am having some trouble correctly setting my Y-Axis offset on my 4-axis X-Winder.  I am told to measure from the centerline of the mandrel to the delivery head.  I am told that the default is 4.625 inch.  What I am not sure of is, where on the delivery head do I measure to?  I have tried measuring just to the face of the steel roller, to the centerline of the roller and to the point on the roller fartheest from the mandrel centerline and, when I run my code, the roller on the delivery head…

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Comments: 1

Carbon tow size

I will start using the X-winder with my students. I wish to make very simple parts , with is the esiest tow size to use, I saw some 3 to 6 avalaible, other size are more difficult to have.

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Comments: 2

More Torque?

I am using my X-Winder to make test panels. The mandrel is square peice of aluminium flat stock. as a cosequence the torque value changes as the mandrel spins. I need to increase the size of the motor to get more torque, Going from the original Nema 23 stepper 57HSG76-3004JA what motor could I get that would increase my torque but still mate with the original gear box?

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Comments: 8

4-Axis Will Not Execute Custom G-Code

Hi, I am a new user so this may have a simple fix that I am not aware of.   I am trying to create a 45-degree 2-axis layup in 3-axis mode. The 4-axis winder that I am working with has been having an issue where the dwell times are different on each end. On the far end it goes around more than 360 degrees before moving to the close end. On the close end, it does not dwell at all! This has caused it to drag the filament and ruin the layup.  To fix this, I have been trying to edit the g-code.…

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Filament Skipping

Hi everyone this is my first time posting here. I am noticing an issue with the start of the second pass of a helical wind. On the second pass it tends to space out a good distance from the first pass going from right to left. On the return from left to right everything starts falling into place from there on. Is there a reason why it does this and is there a way to fix it? Your help is most appreciated.

Read more…
0 Replies

Variable Winding Angle? Cone Formation

Hi, I am comtemplating purchasing an x-winder to do some prototyping and I wanted to make sure the system will meet our needs.  In the x-winder software, are you able to vary the wind angle within a single layer? We are wanting to produce a cone by having more material buildup on one side of the mandril than the other.  The end goal is to have a tube with a uniform diameter but a cone shaped interrior.  Thanks in advance for the help!

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Latest Activity

Aaron Lederhose replied to Jon Shaw's discussion Heated resin bath
"Ok, that changes things...a lot.  What kind of filament are you using? carbon, glass, bassalt, etc.? and what resin? do you have a data sheet? I can see uv resins working with glass but would be very difficult to get a good cure with opaque filament…"
Jul 7
Jon Shaw replied to Jon Shaw's discussion Heated resin bath
"All true IF your system is a thermal cure. However, I am working with UV curable resins, and they only react when exposed to UV energy, not heat. Some UV resins have very high viscosities, and while they can be reduced with diluents, it would also b…"
Jul 7
Aaron Lederhose updated their profile photo
Jul 7
Aaron Lederhose replied to Jon Shaw's discussion Heated resin bath
"If you heat the resin up the viscosity drops, which is great for wetout of the fibre. However you are essentially forcing the exothermic reaction in your resin as well. So your 60 minute resin could become a 15 minute resin. 
If the only reason you…"
Jul 7
Larry Ortega replied to Jeremy Platt's discussion Winding angles
"Aloha Jeremy,
The closer to a Polar wind you get, the more stiffness you will get. The down side of that is you will also have huge fiber slip at the ends during really low angle winding. I do a Hoop layer as my first ply followed by a ply at 65 deg…"
May 30
Larry Ortega replied to Nicholas Finch's discussion Finishing Tips and tube thickness
"Resin Rich Laminate Cure
Get a plastic squeegy. something like the wide plastic ones for putting BONDO on an auto body repair. As the part rotates use this to gather excess resin and return the excess to your mixing cup. When you hit PAUSE, put this…"
May 30
Larry Ortega replied to Jeremy Platt's discussion Mandrel creation and release
"Wood, Fiberglass, plastics all work. If cost is not an object use teflon. Obviously the part will not adhere and the CTE of Teflon is your friend. Wind the part and let it cure someplace warm, hot is even better. (A garage in Oklahoma summer for ins…"
May 30
Larry Ortega replied to Antonin Herbeck's discussion Pins at the ends of mandrel
"Look at the UNIVERSAL PIN RINGS from Advanced Composites Inc.
Best Wishes,
Larry"
May 22
Ian Munslow commented on Ian Munslow's blog post Stuff I have made
"send me an email... to ian (at) carbonish (dot) com"
May 13
Ian Munslow commented on Ian Munslow's blog post Stuff I have made
"Alexander, which tube are you interested in?"
May 13
Alexander Solis commented on Ian Munslow's blog post Stuff I have made
"Hi, can you please share the G-code, I am curious how it is used to create that pattern."
May 12
Alexander Solis replied to max k's discussion layer thickness
"I have been getting 0.005 inches or 0.127mm with 12K tow. Do you shrink wrap your tubing? The only one that gives me 0.45mm or 0.018 inches is a 24K tow. No matter which angle I use this is what I get."
May 12
Alexander Solis commented on Jean Girardot's blog post Carbon tow size
"Turner Hunt is correct. I bought some 24K to try out and its giving me a hasle. I recommend this one thats $18 the pound. Its the one named 12K T700 Carbon Tow.
http://www.solarcomposites.com/NewSoller/tow.html"
May 10
Turner Hunt commented on Tim Delaney's blog post Y-Axis Offset
"Hi Tim:
The default for the 4X-23 is 4.625 inches and you should be able to verify this distance by measuring from the centerline of the mandrel axis to the centerline of the concave roller (final delivery head roller) axis.
Before running a complet…"
May 7
Turner Hunt commented on Jean Girardot's blog post Carbon tow size
"6K carbon fiber filament works fine so does 12 K. If you go much above 12 K carbon fiber filament, like 24K, then the filament doesn’t necessarily go on like a nice flat ribbon because it gets bunched up a bit in the delivery head. Do you want the f…"
Apr 26
Turner Hunt commented on john Erwin's blog post More Torque?
"Hi Carlos:
Everything is incluede with the 2X-34, software included - you need to sodnload the latest version. Here is the assembly video for the 2X-34 for more info.
 
Turner"
Apr 24
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