BAUGH & WEEDON NDT
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BAUGH & WEEDON NDT |
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EBU Series
Designed for testing medium to large components, the MAGAZON EBU series of MPI benches is able to provide substantial magnetising currents where needed. The series comprises various bench sizes, a wide range of magnetising modes and current waveforms, and a variety of accessories and ancillary equipment. Construction is based on a heavy duty framework fitted with a stainless steel drain tank. The power pack may be integral to the bench, or a separate unit. Pneumatic clamping at the headstock is foot operated, while the tailstock is manually positioned then clamped in place. Both head and tailstocks are equipped with test piece supports and easily replaceable copper mesh contact pads. The power packs are supplied with nominally 3000A or 5000A RMS outputs as standard, although alternative outputs are available subject to technical appraisal. The provision for HWDC, or FWDC waveforms, either single or three phase, can also be accommodated. The power packs are fitted with thyristor control as standard. However, should a sinusoidal output be required, the option of variable transformer control is available.
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SBU Series
The MAGAZON SBU series of MPI benches is designed to test small components which can be easily handled and need only modest magnetising currents. Various bench sizes are available, a wide range of magnetising modes and current waveforms, and a variety of accessories and ancillary equipment. Baugh & Weedon NDT prides itself on it's flexibility to build equipment to individual specifications, should the standard range not suffice. Construction is based on a strong steel cabinet, which houses the main electrical components, and is fitted with a stainless steel drain tank. The headstock is locked via a manually operated pneumatic clamp. The tailstock utilises roller bearings and a simple locking mechanism. Both head and tailstocks are equipped with test piece supports and easily replaceable copper mesh contact pads. A small piece device can be fitted, which using modest spring pressure, affords protection to delicate components. A nominal 2500A power pack provides AC, with HWDC and single phase FWDC waveforms as options. All MAGAZON SBU series benches control the current using the CPS method (Current Pre-Selection). This allows the operator to select a given current and the bench will automatically achieve this value during the magnetising shot.
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PBU
The MAGAZON PBU 500 is a small MPI bench with an integral ink tank, a bed length of 500mm, and a separate power pack. Primarily designed for the inspection of small components, such as pins and bolts, the construction of the unit allows it to be transported easily. It is equally well suited for use in a fixed location or, as a portable unit, on various sites and workplaces. The PBU 500 operates on a 230V and/or 115V AC, 50Hz, 13Amp supply. The unit utilises spring-loaded clamping. When operated in a fixed location, a pumped recirculating inking system is available as an option, instead of aerosols or polysprays. The MAGAZON PBU 500 has AC and HWDC current flow magnetising. An encirculating coil (clamped between the head and tail stocks) is provided as standard. However, magnetising via flux flow is an optional extra.
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MAG-Link
MAG-Link is a software package that provides complete control of a MAGAZON MPI bench. Techniques are created via the Technique Manager screen, then stored under the part number. Images can be assigned to each step of the technique, to provide guidance for the operator. Jobs are created via the Job Manager screen, then stored under the current job number. When this is complete, the MAG-Link is opened, which effectively disables the MAGAZON bench console, so passing control to the PC. The operator uses a 3-button pendant to execute each step, as set out in the technique being used. When the job is finished, a report can be printed at any time, and then the job can be archived for future reference. MAG-Link supports up to 15 operators, each with their own passwords, and Supervisor, Level II and Level III access is also fully password protected. MAG-Link will even prompt the operator when a bench is due for calibration.
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DIGIMAG Series
The DIGIMAG series of heavy duty mobile power packs are designed for on-site magnetic particle inspection, or where the use of a conventional MAGAZON bench is not practical. The DIGIMAG units are housed in steel cabinets with console style control panels. The cabinets are cooled by forced air circulation, with additional thermal protection provided by dwell periods between shots and a thermal overload cut-out. The series consists of three models with current outputs of 2000A, 3000A and 5000A.
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DEMAG Coils
Baugh & Weedon NDT offers a standard range of demagnetising coils, but individual requirements, in terms of size, shape and duty cycle can be made to order. Units are either free standing, or table mounted, and can be supplied complete with a track and carriage as illustrated. Baugh & Weedon NDT design, manufacture, install and commission a wide range of MPI equipment and has extensive experience of the requirements of both the aerospace and general engineering industries. Baugh & Weedon NDT's
standard range of demagnetising coils is as follows: Two standard sizes are
available: Demagnetising Coils Intermittent Duty The coils have a square aperture and require a 415V AC supply. Three standard sizes are
available: Other designs are available - Please contact our Sales Office
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Specials
Baugh & Weedon NDT has designed and installed a number of automatic MAGAZON MPI machines, capable of handling up to 900 components per hour. These meet the inspection needs of companies producing high volume, safety critical components for the automotive industry. By combining two magnetising modes to produce multi-directional magnetising, defects are highlighted in every orientation, and consequently, the components require only one visual inspection. In general, current flow through the component is combined with magnetic flux flow, generated by coils wound around laminated cores within two head stocks, to provide a Swinging Field. Components are manually loaded in pairs onto an indexing conveyor, ready for transport through the MPI process. After a thorough coating of fluorescent ink they are moved to the magnetising station, where they are clamped between the head stocks and then magnetised. Then the conveyor indexes forward and the components are deposited onto a chute and conveyed to a separate viewing area. If required, accepted components are conveyed through a demagnetising coil, or on to the next operation. Automatic MAGAZON MPI machines are constructed throughout of stainless steel, to accommodate water based inks and eliminate the possibility of corrosion. The ink is held in a free-standing reservoir where continuous agitation maintains the magnetic particles in suspension, ready for use. The power pack is mounted in an enclosed housing below the conveyor, and an eye level control console is located beside the loading position for the convenience of the operator. The system accommodates minor adjustments to allow the inspection of components which are of slightly different size and shape.
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Baugh & Weedon Ltd. is a Minton, Treharne and Davies Ltd. Group Company |
