Baldor PC SEries Bedienerhandbuch PDF herunterladen (Seite 9)

Section 2

Installation

MN1240 Installation 2-1

Overview Installation should conform to the National Electrical Code as well as local

codes and practices. When other devices are coupled to the motor shaft, be

sure to install protective devices to prevent accidents. Some protective

devices include, coupling, belt guard, chain guard, shaft covers etc. These

protect against accidental contact with moving parts. Machinery that is

accessible to personnel should provide further protection in the form of guard

rails, screening, warning signs etc.

Location The motor should be installed in an area that is protected from direct sunlight,

corrosives, harmful gases or liquids, dust, metallic particles, and vibration.

Exposure to these can reduce the operating life and degrade performance.

Be sure to allow clearance for ventilation and access for cleaning, repair,

service and inspections. Ventilation is extremely important. Be sure the area

for ventilation is not obstructed. Obstructions will limit the free passage of air.

Motors get warm and the heat must be dissipated to prevent damage.

These motors are not designed for atmospheric conditions that require

explosion proof operation. They must NOT

be used in the presence of

flammable or combustible vapors or dust.

Mounting The motor must be securely installed to a rigid foundation or mounting surface

to minimize vibration and maintain alignment between the motor and shaft

load. Failure to provide a proper mounting surface may cause vibration,

misalignment and bearing damage. For mounting dimensions, refer to

http://www.baldor.com/products/servo_motors.asp

and provide adequate

clearance.

Alignment Accurate alignment of the motor with the driven equipment is extremely

important.

1. Direct Coupling

For direct drive, use flexible couplings if possible. Consult the drive or

equipment manufacturer for more information. Mechanical vibration and

roughness during operation may indicate poor alignment. Use dial

indicators to check alignment. The space between coupling hubs should

be maintained as recommended by the coupling manufacturer.

2. End-Play Adjustment

The axial position of the motor frame with respect to its load is also

extremely important. The motor bearings are not designed for excessive

external axial thrust loads. Improper adjustment will cause failure.

Figure 2-1 Mounting Orientation

These mounting orientations

are allowed.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 23 24

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