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Hi, I have installed an RD6442 on my K40 laser.... When I try to cut at low speed... 5-6 mm/s the Y axis goes little fast as X axis... then the X cut is done but Y cut not because speed is a little...

At full power, at 99% power, it doesn´t do any noise... and cut right

Hi, I bought used because it comes with a DM442 servo controller and a RDC6442G controller and some mods... the controller only costs the price that I paid for the machine...

I can´t see the arc,...

Hi, I bought an used K40 laser cutter and the owner saw that the co2 tube has two years and need to be replaced.... I can cut (in 2 or 3 steps) 4 mm acrylic... I can engrave, can cut paper, engrave...