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Chapter8 Installation and acceptance
8.1 Site conditions and requirements
8.1.1 Personnel requirements
Programming operators shall have obtained college degree for CNC or
electromechanics (including vocational school);
Understand general G codes for machine, be proficient in computer operating, and
have certain knowledge about machine industry;
Able to operate office software and AutoCAD on computer. Provide one set of
programming computer for machine.
8.1.2 Electrical requirements
Specifications for electricity consumption of the whole machine (including host machine, laser, water chiller,
dust collector)
1
Power connection
3-Phase & PE
2
Frequency
60Hz
3
Rated voltage
3x400V
4
Allowable voltage fluctuation
± 10%
5
Maximum power
10 kW
6
Installed capacity
30 KVA
7
Power factor
0.7-0.9
8
Protection grade
IP54
No snap of power voltage or sudden power outage is allowed, for it will easily cause damage to the
laser;
It shall be well grounded (grounding resistance less than 4Ω)
8.1.3 Gas requirements
Cutting auxiliary gas: Oxygen O
2
1
Gas purity
≥ 99.95 Vol.%
2
Dynamic pressure at the machine inlet
10 Bar
3
The maximum dynamic flow
600 L/Min