Thread: my build from the start
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21-12-2010 #1
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21-12-2010 #2
Ah, the ubiquitous TB6560 3-axis board from eBay... If you haven't already, you might want to search for TB6560 and look at other threads related to these boards...
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21-12-2010 #3
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23-12-2010 #4
well got the pc up and running and the steppers all wired up plugged in and running
no probs as yet
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23-12-2010 #5
The motors make useful hand warmers this time of year :-)
Mine run on the edge of too hot to touch and I haven't had any problems yet - 80 degrees C above ambient seems a common maximum.
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23-12-2010 #6
hahahah!!! nice one chris... its ages since i was in that position watching them motors turn on the road runner g-code
it was all magical mystical shit to me (still is a bit)
iv got the 5 axis version of your board, my motors are a bit bigger than yours and dont really get hot at all on 24v, iv heard plenty of people reporting how hot the motors get, i think in some cases its pretty normal
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23-12-2010 #7
What motors are those Chris?
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23-12-2010 #8
I hope not... 85degC absolute case temp is the maximum recommended temp you should run a stepper at - higher than that and you risk internal breakdown and demagnetisation.... remember inside its going to be a lot hotter!
an 85degC case is too hot to touch for most people. Maplin do a cheap £19 multimeter with a temp probe thats a useful bit of kit for playing with electrics...
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23-12-2010 #9
Bipolar NEMA 23 case size. Rated current 1.2A, holding torque 0.314Nm(3.2kg-cm). Rotor inertia
0.55kg-cm2. Detent torque 0.0492Nm(500g-cm). 4-connections flying lead 115mm long terminated with a .1"
pitch SIL header type socket. Output shaft 6.3mm dia x 19mm long. Body 56.5mm dia x 40mm long with 57mm
square mounting face haveing a 5.2mm dia mounting hole in each corner on an approx 47mm square.
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23-12-2010 #10
Chris... just what do you plan to do with those motors?
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