Operation, Turbine speed, Ransburg – Ransburg Aerobell 168 Atex Approved 13350 User Manual

Page 39

As with any spray finishing system, operation

of the Aerobell 168 involves properly setting the

operating parameters to obtain the best finish

quality for the coating material being sprayed

while maintaining correct operation and reliability

of the equipment used. Adjustments to operating

parameters, which cover spraying, cleaning, and

ON/OFF control, include the following:

• Coating Materials
• Fluid Flow Rate Control
• Fluid Valve / Trigger Control
• Turbine Speed
• Shaping Air (pattern control)
• Electrostatic Voltage
• Target Distance

TURBINE SPEED

The speed of the turbine is determined by the air

inlet pressure. See “Turbine Air Pressure, RPM,

SCFM” in the “Installation” section for more infor-

mation. The desired speed will depend upon the

type of coating material and various application

requirements.

OPERATION

W A R N I N G

Operators must be fully trained in safe

operation of electrostatic equipment. Oper-

ators must read all instructions and safety

precautions prior to using this equipment (see

NFPA-33, EN 50 176)

Electrical discharge on a high electrical

capacitance fluid/paint system can cause fire

or explosion with some materials. If arcing

occurs when a specific material is used , turn

the system OFF and verify that the fluid is

non-flammable. In these conditions, the sys-

tem is capable of releasing sufficient electrical

and thermal energy to cause ignition of specific

hazardous materials in the air.

Excessive speed will cause air turbine

damage. Do not exceed the maximum rated

speed of 60,000 rpm.

C A U T I O N

When turning the turbine on, bearing air

must be present. Likewise, bearing air must

remain on when the turbine air is turned off

until the turbine stops spinning. Never turn

off bearing air to cause the turbine to stop

spinning. Brake air can be used to slow the

turbine (see “Brake Air” in this section. Wait

for the turbine to stop spinning before turning

bearing air off.

Aerobell 168 - Operation

Ransburg

LN-9247-13