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kaavain posted a topic in GraphTec Cutting Plotter DiscussionHello All! I'm using 2x FC2250 plotters. One for 8 years and 1 for 6 years already. Both in tilted position, table is about 55-60 degr. to horizontal. I'm concerning about behavior of the pen block while in "pause" - top-right position. The thing is that in this position Y-motor seems to get a signal that penblock moves down for a micron, so it makes step up, then block moves again down and so on with frequency of 30-50 Hz. As a result, the Y-motor in PAUSE produces a buzzing noise or, sometimes, rhythmic sound like "UP-down-down-Up-down-down" with frequency of 2-3 Hz. I'm concerning of this, because the Y-motor is expensive (you wouldn't believe that in Finland it is 800 euro and in Russia it is 500 euro!!! Stupid and not the best servo-motor!) On my old plotter I've already replaced one (thanks to Ukraine - bought there for just $200, as this amount now is huge there). The motor damage was the wear-out bearing, so I made a conclusion that unnecessary movement is bad for this motor... So my questions for FC2250/2240 owners and technical guys: 1. Does your plotter produces the same thing with the same sound? 2. May be the reason of this wrong (excessive/weak) Y-motor's belt tension? Actually while installing the new motor, I had no gauge so I set the tension just "feel to be the same" as it was... 3. Is it any deep settings of 2250 to make HOME position not top-right but bottom-right? This will also save a Y-motor yield with no inconvenience at all... Many thanks to all! PS: If needed I could share the source of really cheap (couple of bucks) and fairly reliable CB15U blades. I'm cutting hard film, mylar 125 mic, and one blade works for two-three moths! Also I found a good supplier of CB15U blade's holder, for $15 and it works fine, cut preciously and so far works for 6 months without visible signs to be dead...
wyatt0124 posted a topic in General Helphey guys, my blade when it starts moves to home point like it is suppose to, then once it gets to the home point acts like its trying to continue to go and makes a lot of noise…. any body know anything about this?