Laser Cutter/Maintenance

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< Laser Cutter
Revision as of 22:28, 15 January 2014 by Russ (talk | contribs) (Running cost)
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Running cost

  • The tube is £250 for 300 hours
  • The PSU is £300 for 750 hours
  • The lens+mirrors are £50 for 200 hours
  • The expected useful lifetime of the machine is around about 2750 hours, with a replacement cost estimated at £7000.
  • The power is (say) 1.2kW at £.2/kWh.

250/300 + 300/750 + 50/200 + 7000/2750 + 1.2*.2 = £4.30/hour

Laser cutter money held in the the foundation bank account:

Date Notse Amount
2011-04-02 Usage Fees + £210
2011-05-28 Usage Fees + £248.44
2011-06-08 Optics set - £188.25
2011-06-20 Cash from tin + £30.00
2011-06-20 Water + tubing change - £30.00
2011-06-28 Usage Fees + £25.04
2011-07-12 Usage Fees + £88.46
2011-07-27 Usage Fees + £70.58
2011-12-17 Usage Fees + £135.66
2012-01-21 Usage Fees + £48.72
2012-03-24 Usage Fees + £142.12
2012-05-21 Usage Fees (Cleaner) + £5
2012-06-02 £69.75
2012-12-01 £110
2012-12-01 £61.53
2012-12-02 £31.14
2012-12-19 £59
2013-1-2 £34.50
2013-1-15 £38.38
2013-2-1 £119.37
2013-2-12 £25
2013-2-20 £88.80
2013-9-18 £700

Cleaning Schedule

  • Optics cleaning every 25 hours (or as required)
  • Extraction fan cleaning every 25 hours
  • Electronics section dust removal every 25 hours
  • Laserbed cleaning every 50 hours (soaked in a peroxide based cleaning solution)