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Baugh & Weedon Ltd is a trusted supplier of magnetic particle inspection equipment to the NDT industry. Their MAGAZON series of benches have a proven track record for reliability and durability, and are in daily use by most of the leading UK Aerospace companies. Designed and produced in Hereford, UK, the MAGAZON series offers testing for components of all sizes that require substantial magnetising currents.
The benches are available in varying sizes, a wide range of magnetising modes and current waveforms with a variety of accessories and ancillary equipment. Their design allows the freedom to build benches to individual specifications offering the optimum combination of technical and commercial satisfaction.
• All benches can be customised to meet your application needs
• SBU – 1000 Amps, 2000 Amps or 2500 Amps
• EBU – 3000 Amps or 5000 Amps
• Built with AC, HWDC, FWDC & 3 Phase FWDC options
• “Swinging Field” available
• Automatic Sequencing Options
• Current Pre-Selection (CPS) available on all benches
• Various coil options including encircling, pancake and split
• Suitable to use with water-based and kerosene inks
• Inking Systems available
The MAGAZON series construction is based on a heavy-duty framework fitted with a stainless steel drain tank. The frame design usually allows the power pack to be mounted integrally. Alternatively, the power pack can be housed in a separate cabinet. Bed bars which support a fixed position headstock and movable tailstock, are mounted in the tank. For ease of movement the tailstock has sintered phosphor bronze bearings and is fitted with a simple lock. The head and tailstocks are equipped with test piece supports and easily replaceable copper mesh contact pads. Pneumatic clamping prior to magnetising is operated by a footswitch. On the Magazon SBU, the clamping pressure can be reduced, which affords protection to delicate components. A small piece device can also be fitted, which provides rotation of the component for easy viewing. For heavier test pieces support rollers mounted on the bed bars are available.
Instrument controls and digital ammeters are on an eye-level console located above the headstock. Digital metering is standard on all units and can be calibrated to display the output current in PEAK, RMS, or 2xMEAN. Two meters are provided, each with independent control. One meter displays HEAD current, and the other displays FLUX/COIL current. Selection of magnetising mode, current waveform and shot time is by rotary switches. Indicator lamps show power ON and READY, while illuminated push-buttons allow initiation of magnetising and demagnetising cycles. Each console is populated in accordance with the options provided on the particular unit and a typical example is illustrated, The MAGAZON EBU and SBU Series has a universal, microprocessor based, electronic system which allows many additional features to be incorporated. These include:
- Current pre-selection. The required current level once selected is automatically achieved when the magnetising “shot” is initiated.
- Built-in memory. An integral memory will store up to 99 sets of data including all test parameters for each component. This feature is extremely useful when test piece batches are small, and frequent changes are needed.
For the Magazon SBU, a nominal 2500 A power pack provides AC, with HWDC (half wave rectified) and single phase, or 3-phase FWDC (full wave rectified) waveforms as options.
For the Magazon EBU, nominal 3000A or 5000A AC power packs are standard, though alternative options are available subject to technical appraisal. The provision of HWDC (half wave rectified) or FWDC (full wave rectified) waveforms can also be accommodated.
On standard models infinitely variable current control is achieved using thyristors resulting in a complex current waveform. However, where a sinusoidal waveform is required for compliance with some test specifications, the option of variable transformer control is available for both the Magazon SBU and EBU.
Baugh & Weedon manufacture stand-alone MPI Power Packs. They can be connected to existing MPI Benches as an upgrade for example add FWDC, increase the amperage range of a bench or as auxiliary units to power toroidal, pancake or split.
You can download the full specifications of the Magazon series: Here