We have a new TAZ 5 that we got at the beginning of the week. One of our plans for this machine is to print out some check gauges and calibration jigs for parts. Since we want the maximum available resolution and precision from this machine, we’ve been going through some of the calibration tutorials online.
We decided to try to dial in the extruder first, since that seems like it can affect the X, Y, and Z calibrations. Our first trials were done extruding 30mm, and trying to measure things with a simple scale. We weren’t able to get anything that seemed even reasonable this way.
Our second trial is done using a set of digital calipers. We set them to 120.00mm and lock them, then position them above the extruder head and mark the filament with a razor knife. Next, we use Pronterface to extrude 100mm of filament, then use the calipers to measure the height of the cut, using the razor knife as a guide. If everything was working perfectly, we would measure 20.00mm every time.
We’re seeing very inconsistent numbers. Here’s the data from this morning:
Trial 1: 18.76 mm
Trial 2: 19.57 mm
Trial 3: 20.04 mm
Trial 4: 20.21 mm
Trial 5: 19.58 mm
Has anybody else tried this and gotten better results? Is this as good as we can get? BTW: we’ve got the extruder rate set to 100 mm/min.
Thanks for any tips.