Perth Artifactory

Subcommittee:laser-minutes-20170312

Laser subcommittee meeting 2017-03-12
  • Jim, Nick, Glenn Martin
  • Issues since previously, or continuing
    • LC1290
      • Cutting 3mm MDF@30mm/sec
From: "Lemming ." <inertial@gmail.com>
Date: Fri, 3 Mar 2017 21:56:18 +0800
Subject: [artifactory-laser] BIg Red Y Axis Driver dead
To: Artifactory Laser Subcommittee <artifactory-laser@googlegroups.com>
From: "Lemming ." <inertial@gmail.com>
Date: Sat, 4 Mar 2017 18:02:21 +0800
Subject: [artifactory-laser] Big Red HV Cable issues.
  • HV cable, silicone tubing
  • Lid still a bit wonky - replace 3* hinges
  • Glenn keen to be trainer, got some students in mind
    • AS60825.1 (2014) Laser class categories, CO2 10600nm safety
    • TODO: Schedule a training session for some lucky trainees!
  • LC1290 alignment
    • Aspect ratio check: good
      • Configured AxisOnePulseMoveLength is same for X and Y
      • Y is good, well within 1%
      • X is adequate, compressed by a small factor, approaching 1%
    • Bed level check: Poor, out of focus on LHS
      • Cuts 50mm/sec on right, 30mm/sec or worse on left
      • Replace original metal final mirror - clean, with small centre blemish
        • Fresh coated Si mirror, now cutting at 55mm/sec on right
      • Clean chaff and level bed
        • Now consistent: cutting 3mm MDF at 55mm/second
  • Next subcommittee meeting: Wednesday 20170322-1830
  • Carried forward:
    • Can we find/replace the missing access keys? Only 2 of 6? remain
    • Monitor/backup PC config
    • 1 fresh spare lens: want 2 * 50.8mm + 2 * 63.5mm
      • Regarded as a consumable
      • Want list of spares on the wiki
      • Resolved: buy some!