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OneSpec

Engineering Approved Mechanical Tables

Engineering Approved Electrical Tables

Engineering Approved Mechanical Tables

HIDDEN FOR ADMIN AND CSS SO FIRST ELEMENT IS CLOSED

Table M1: Allowable Shaft Extension TIR

Table M2: Nominal Shaft Extension Diameter

Table M3: Nominal Shaft Extension Keyseat Width Tolerance

Table M4: Mounting Flange Face and Rabbet TIR

Table M5: Mounting Flange Diameter Size

Table M6: Mounting Foot Flatness

Table M7: Balance Requirement

Table M8: Bolt Torque

Table M9: Vibration (no load, rated speed)

Table M10: Bearing Temperature

Table M11: Rotor Core TIR (using bearing datum)

Table M12: Babbit bearing clearance

Table M13: Babbit Bonding

Table M14: Babbit Bearing Contact Pattern

Table M15: Sleeve Bearing Journal Cylindricity

Table M16: Sleeve Bearing Housing Fit

Table M17: Oil Ring Roundness

Table M18: Labyrinth Seal Diametral Clearance AL or Bronze (cast iron greater)

Table M19: Oil Standpipe Roundness

Table M20: Oil Standpipe Concentricity to Bearing Centerline

Table M21: Deviation Between Magnetic and Mechanical Center

Table M22: Airgap Variation

Table M23: Brush Spacing

Table M24: Commutator Undercut

Table M25: Commutator TIR

Table M26: Slip Ring TIR

Table M27: Brush to Brush Holder (box) Clearance

Table M28: General Industrial Keyed Coupling Fit (interference), Contact Engineering for Keyless

Table M29: Coupling Fit (clearance)

Table M30: Coupling Alignment, acceptable

Table M31: Surface Finish

Table M32: Bolt Torque into Laminations

Table M33: Seal Clearance for Cast Iron Housings

Table M34: Vertical Motor Shaft Ring Groove Width (EW Dimension)

Table M35: Vertical Motor Shaft Ring Groove Location – End of Shaft to Inboard Edge (EX Dimension)

Table M36: Ring Groove Shaft Keyseat diameter, vertical (EU Dimension)

Table M37: Antifriction Bearing Fits – AF-1: Vibrator Bearings C4 Internal Clearance

Table M37: Antifriction Bearing Fits – AF-2: Cylindrical Roller Bearings

Table M37: Antifriction Bearing Fits – AF-3: Radial Ball Bearings (deep groove and angular contact)

Table M37: Antifriction Bearing Fits – AF-4: Spherical Roller Bearings

Table M37: Antifriction Bearing Fits – AF-5: Radial Ball Bearings

Table M37: Antifriction Bearing Fits – AF-6: 294 Series Spherical Roller Thrust Bearings

Table M38: Natural Frequency Range Restrictions During Test Run

Engineering Approved Electrical Tables

HIDDEN FOR ADMIN AND CSS SO FIRST ELEMENT IS CLOSED

Table E1: Ground Wall Insulation Resistance

Table E2: Polarization Index

Table E3: Winding Resistance Balance

Table E4: Surge Test

Table E5: High Potential Test

Table E6: Core Loss

Table E7: AC Stator Three Phase Balance Test

Table E8: Voltage Drop Test

Table E9: DC No Load Reverse Direction Speed Variation

Table E10: Single Phase Rotor Induction Test (spike test)

Table E11: Power Factor, % Tip Up Test

Table E12: Partial Discharge

Table E13: Corona Camera Test

Table E14: Electromagnetic Probe

Table E15: Permanent Magnet Rotor Air Gap Flux Density

Table E16: AC Impedence Balance Test

Table E17: Lightning Arrester 0 < LA < 1 KV

Table E18: Surge Capacitor 0 < LA < 1 KV

Table E19: Shaft Voltage

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