Hypertherm HyPrecision 15, Operator'S Manual

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HyPrecision15/30/50 Operator Manual 808240 25
Te
rminol
ogy
Section 1
Terminology
Some terms could be relevant to other products.
attenuator
A pressure vessel that maintains consistent output water pressure by compensating for pressure fluctuations caused
by the intensifier stroking
AWG
American Wire Gauge, a standardized wire gauge system used in North America
bar
A unit of pressure; 1 bar equals 100 kPa or 14.5 psi or 100,000 N∙m
2
computer numerical control (CNC) machine
A computer that controls the motion of a machine tool
cooling water
Low-pressure water that circulates through the heat exchanger to cool the hydraulic fluid
cSt
A centistoke is a measurement of kinematic viscosity; water has a viscosity of 1 centistoke or 1 mm
2
/second
cut-pressure mode (high-pressure mode)
Water that is at cutting pressure
cutting water (cutting water out)
High-pressure water from the intensifier that is used for cutting or piercing
dB(A)
A-weighted decibels, an expression of the relative loudness of sounds in air as perceived by the human ear
dynamic seal
The high-pressure seal in the high-pressure cylinder that is closest to the hydraulic center section; this seal is in
direct contact with the plunger (see static seal)