3D printing - 8mm sprocket help needed
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3D printing - 8mm sprocket help needed
I`m trying to print a sprocket to run 8mm chain on, I`ve tried a few manual attempts at it but I can`t get it quite right.
Is there a plug in for sketchup to do them or is there a formula I need to follow (I`m guessing there is but I can`t find it)
12 teeth would be easiest and will do the job for what I want it for.
Is there a plug in for sketchup to do them or is there a formula I need to follow (I`m guessing there is but I can`t find it)
12 teeth would be easiest and will do the job for what I want it for.
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Re: 3D printing - 8mm sprocket help needed
Do you have any more information on the chain? Dimensions etc?
Re: 3D printing - 8mm sprocket help needed
Its just the standard 8mm chain that Technobots sells, I would put a link (pun sorry!) but their site isn`t loading at the minute.
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Re: 3D printing - 8mm sprocket help needed
Last edited by Rapidrory on Thu Jan 29, 2015 10:33 am, edited 1 time in total.
Rory Mangles - Team Nuts
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Re: 3D printing - 8mm sprocket help needed
Its loading on my phone, its the metal simplex chain. 05B Part no 4216-102
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Re: 3D printing - 8mm sprocket help needed
That looks like a DIN 8187 or similar, It shouldn't be too hard to generate the CAD for one. I will have a closer look when I get home from work.
Re: 3D printing - 8mm sprocket help needed
Thanks.
Thanks for the link too Rory, that is the stuff. (Couldn`t check it at work!)
Thanks for the link too Rory, that is the stuff. (Couldn`t check it at work!)
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Re: 3D printing - 8mm sprocket help needed
I have managed to use that to draw a crude profile.
I am unsure how easy it is in sketchup though.
I am unsure how easy it is in sketchup though.
Re: 3D printing - 8mm sprocket help needed
Thanks, what is Z ?
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Re: 3D printing - 8mm sprocket help needed
Z is the number of teeth, i.e. 12limpet wrote:Thanks, what is Z ?
and t is the pitch