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  • Author Author: binarygenius
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Big Red CNC v2.0

binarygenius

I have finally managed to get the rest of the aluminium for Big Red 2.0 and it is performing very well, i will be fitting it with perspex sides, MDF Spoilboard and i am now able to upgrade it to full aluminium construction with the Y Axis linear bearings upgraded to fully supported rails.

 

The beginning of a quick test of the machine using a pencil to draw Sweet Dreams with a heart ether side which i plan to engrave in some perspex and side light with a few RGB LEDS.

 

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End of test

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i have added a vacuum system and the thing with the copper wire wrapped round next to the router is a small camera to help with alignment of the tool. i still need to get the aluminium plate for the front, back, part of the Y- Axis and all the parts for the Z-Axis milled but for now the Big Red has no problem cutting wood and plastic. i am currently running the motors at 24v 4A but i have still to fit a couple of boost converts to kick the voltage up to the max the drivers can comfortably handle of 40v 4A which will help increase the speed. i have already had the Y Axis running at 3500 mm/sec which is about 137 IPM but for testing i have been running at between 500-1000 mm/sec 19-39 IPM to make sure i dont kill it with one wrong move.

                                                                                                           

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Isometeric view of CAD model with the perspex sides and MDF spoil board		 image
Right view of CAD model
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Isometeric view of CAD model		 image
Front view of CAD model
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Back view of CAD model
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45×45 Extrusion Gantry on Big Red V1 for scale.
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45×45 Extrusion Gantry on Big Red V1 from the front for scale.
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960w 24v PSU worth over £500 that i picked up for £30 on ebay in the small hours of the morning
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I have now added fans and covers to keep the driver cool
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USB keypad used to control the machine until i build something better
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i placed some magnets on the back to allow me to stick it to stuff
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I have 15mm aluminium plate for the front panel but i need the motor holes machining before i fit it		 image
For now i am using wooden panels
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1.4W 445nm Laser which can be mounted to enable laser etching and cutting of thin materials
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dust guard and vacuum system
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Magnetic dust shoe i made
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the copper was temp holder while i aligned the camera
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An old bagless hoover is being used for dust collection for now but i will be making a cyclone dust seperator at some point.
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An old TV bracket with a shower rail bolted on so the vacuum pipe can move with the CNC
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The Super PID router speed controller is now mounted in a nice abs     case and all the cables are now run to allow control of it from mach3
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E-Chain used to carry the cables