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caphector

@caphector

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Joined 21 Feb 2017, 19:01 Last Online 30 Jul 2019, 22:26
Website caphector.com Location SF/Bay Area

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Latest posts made by caphector

  • RE: Dimension issues - calibration rectangle

    Coming back to this - I don't believe it's my arm length since I got my arms from Ultibots before they closed and I used the arm length written on the arms.

    Since this post I've checked on my carriage tensions and belt tensions - one carriage was tensioned a bit wrong and I've got all my belts at about 30hz.

    My cubes are a lot more…cubical now when you just check the raw side lengths. Unfortunately, they still have non-square sides. I've attached pics of the latest cube.

    1_1564525482789_One.jpg 0_1564525482788_Two.jpg

    posted in Tuning and tweaking
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    caphector
    30 Jul 2019, 22:26
  • Dimension issues - calibration rectangle

    My printer is a delta running RRF 2.02(RTOS) (2018-12-24b1) with DWC 1.22.6 and WiFi Server 1.22 running on Duet2 WiFi. My auto-calibration uses six factors and 12 probe points; config.g and bed.g attached. I have ball-cup CF arms with AL ball joints on the effector; the carriages have magball ends instead of single-piece ball joints.

    I've been trying to sort out dimensionality/accuracy issues on my delta. 20x20x20 cubes are printing at about 21x20x20mm. A 50x50x5 print was 51.47 x 49.86 mm (measured each side 3x and averaged). Also, one corner is visibly non-square. The short side of the shape is always oriented towards the Z column. Prints are sliced with KISSslicer and the Gcode looks fine in Gcode.ws. There's some odd gapping in the top layer that may be related.

    I'm trying to figure out what to look at next; I found this issue after I did a number of printer upgrades (Delrin to polycarbonate wheels, new belts, new bed; carriages unchanged). Belts are tensioned to about 30hz (measured as well as possible with EasyTension).

    2_1564079541205_20mm cube.jpg 1_1564079541205_20mm cube-1.jpg 0_1564079541204_50 mm.jpg

    1_1564079515448_config.g 0_1564079515448_bed.g

    posted in Tuning and tweaking
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    caphector
    25 Jul 2019, 18:37
  • RE: Firmware wishlist and priorities for Duet WiFi and Duet Ethernet

    13, 1, 7, 2, 15

    I'd love to see support for the Prometheus-style multi-filament hot ends as well. Both Prometheus and Prusa have made them. They retract filament when it's not in use and then advance the alternate filament. I think the only big change would be to filament movement distances.

    posted in Firmware wishlist
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    caphector
    22 Feb 2017, 23:43
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