D-2000 Series
Revised March 2020
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SECTION 1: EQUIPMENT SPECIFICATIONS
SCOPE OF THIS MANUAL
This manual provides essential information required for installation, operation, and maintenance of standard
Magnaflux D-2000 Series Stationary Magnetic Particle Inspection Machines.
PURPOSE OF THE EQUIPMENT
The equipment is used to inspect ferromagnetic parts by means of the magnetic particle inspection method.
Magnetic particle inspection (MPI) is a non-destructive method for revealing surface, and, under certain
conditions, sub-surface discontinuities. It consists of three basic operations:
1. Application of magnetic particles.
2. Establishment of a suitable magnetic field.
3. Inspection and evaluation of particle accumulations.
Discontinuities may exist in raw material from which parts are made, or, they may occur during processing or
fabrication of the parts, or, they may exist as cracks due to excessive service stresses. Discontinuities are
considered defects if their existence is detrimental to the usefulness of the part. Magnetic particle inspection
can readily and reliably locate discontinuities revealing manufacturing and/or service-induced defects.
EQUIPMENT CHARACTERISTICS
Stationary magnetic particle inspection units consist of a processing station and an integral power pack. The
power pack provides low-voltage, high-amperage 3-phase full wave direct current for magnetization and
reversing 3-phase full wave direct current for demagnetization.
The output current levels are governed by either 2 separate current control encoders or the HMI. Selection of
Contacts or Coil operation is provided by push buttons on the Operator Control Panel. A push button on the
Operator Control Panel, or a push bar, initiates the timed magnetizing current “shot.”
A digital ammeter provides a reading of the magnetizing current. The reading is held until the next current
“shot” is initiated. The wet bath is contained in a tank that runs the full length of the machine. A pump re-circu-
lates the particle in bath and provides flow to the spray nozzle or the Optional Autobath nozzles. Grilles cover
the tank, provide a work surface, and prevent parts from falling into the tank.
The air-operated headstock and adjustable locking tailstock provide the necessary clamping force to assure
good electrical contact with the part.
Parts clamped between the headstock and tailstock for circular magnetization may also be magnetized
longitudinally with the coil while clamped in the headstock and tailstock.
The bath is filled with magnetic particles. An ultraviolet black light causes the coated particles to glow,
revealing flaws in the part being tested.
Summary of Contents for D-2000 Series
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