Difference between revisions of "Laser Cutter/Maintenance"
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(Created page with "== Running cost == *The tube is £250 for 1000 hours *The lens+mirrors are £150 for 250 hours *The power is (say) 1.2kW at £.2/kWh. *So 250/1000 + 150/250 + 1.2*.2 = £1.09/ho...") |
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== Running cost == | == Running cost == | ||
| − | *The tube is £250 for | + | * The tube is £250 for 300 hours |
| − | *The lens+mirrors are | + | * The PSU is £300 for 750 hours |
| − | *The power is (say) 1.2kW at £.2/kWh | + | * 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: | Laser cutter money held in the the foundation bank account: | ||
| Line 14: | Line 14: | ||
|- | |- | ||
! Date | ! Date | ||
| + | ! Notse | ||
! Amount | ! Amount | ||
|- | |- | ||
| − | | 2011-04-02 Usage Fees | + | | 2011-04-02 |
| + | | Usage Fees | ||
| + £210 | | + £210 | ||
|- | |- | ||
| − | | 2011-05-28 Usage Fees | + | | 2011-05-28 |
| + | | Usage Fees | ||
| + £248.44 | | + £248.44 | ||
|- | |- | ||
| − | | 2011-06-08 Optics set | + | | 2011-06-08 |
| + | | Optics set | ||
| - £188.25 | | - £188.25 | ||
|- | |- | ||
| − | | 2011-06-20 Cash from tin | + | | 2011-06-20 |
| + | | Cash from tin | ||
| + £30.00 | | + £30.00 | ||
|- | |- | ||
| − | | 2011-06-20 Water + tubing change | + | | 2011-06-20 |
| + | | Water + tubing change | ||
| - £30.00 | | - £30.00 | ||
|- | |- | ||
| − | | 2011-06-28 Usage Fees | + | | 2011-06-28 |
| + | | Usage Fees | ||
| + £25.04 | | + £25.04 | ||
|- | |- | ||
| − | | 2011-07-12 Usage Fees | + | | 2011-07-12 |
| + | | Usage Fees | ||
| + £88.46 | | + £88.46 | ||
|- | |- | ||
| − | | 2011-07-27 Usage Fees | + | | 2011-07-27 |
| + | | Usage Fees | ||
| + £70.58 | | + £70.58 | ||
|- | |- | ||
| − | | 2011-12-17 Usage Fees | + | | 2011-12-17 |
| + | | Usage Fees | ||
| + £135.66 | | + £135.66 | ||
|- | |- | ||
| − | | 2012-01-21 Usage Fees | + | | 2012-01-21 |
| + | | Usage Fees | ||
| + £48.72 | | + £48.72 | ||
|- | |- | ||
| − | | 2012-03-24 Usage Fees | + | | 2012-03-24 |
| + | | Usage Fees | ||
| + £142.12 | | + £142.12 | ||
|- | |- | ||
| − | | 2012-05-21 Usage Fees (Cleaner) | + | | 2012-05-21 |
| + | | Usage Fees (Cleaner) | ||
| + £5 | | + £5 | ||
|- | |- | ||
| 2012-06-02 | | 2012-06-02 | ||
| + | | | ||
| £69.75 | | £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 | ||
|} | |} | ||
Latest revision as of 22:28, 15 January 2014
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)