Deutroflux Test Benches

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Description

Deutroflux Test Benches Product information

The Deutroflux Magnetic Particle Test Bench is available as UWE 350, 600 or 900

This Flaw Detector uses the skin effect of an AC for uniform magnetisation and demagnetisation without problems, even in the case of complicated work pieces.

Two phase-shifted AC currents generate a rotating magnetic field; thus, cracks of any direction are indicated in a single process.

Operating errors are impossible by automatic cycle sequence (clamping, spraying, magnetising, post and demagnetising).

Electronic and pneumatic modules from world-wide well-known manufacturers guarantee highest operational reliability and service of the Deutroflux, even after a number of years.

Flanged switch cabinet well accessible for operation and service.

Main features of the Deutroflux:

Most application problems in magnetic particle testing can be solved by testing systems with two contacts. In this case, the parts to be tested are often manually placed into the respective supports of the Deutroflux testing system, and, subsequently, it pneumatically clamps the test piece. The next step comprises magnetization and spraying with a crack detection agent. This takes about 4 seconds.

Usually a multi-directional magnetization is employed. A longitudinal current is fed through the test piece, generating a circular magnetic field (direct current flow). This circular field enables the detection of longitudinal cracks. Additionally, coils are mounted to the workpiece supports of the Deutroflux testing system. Therefore, at the same time, a longitudinal magnetic field is produced which allows the detection of transverse cracks (field flow).

Usually both magnetic fields are phase-shifted alternating fields which oscillate according to the mains frequency (50 or 60 Hz, respectively). The resulting rotating magnetic field facilitates the detection of defects of all orientations.

For the next step of the test cycle, spraying with crack detection agent is stopped and the magnetic field is kept constant for another 2 seconds approx.: this is the so-called post-magnetization. During this time, the magnetic particles (iron or iron-oxide powder) in the agent form the crack indications. Most agents use fluorescent particles and therefore the crack indications are evaluated under UV-light. The particles are usually applied to the test part in an aqueous suspension via spraying showers.

The demagnetization can be carried out directly within the testing system by reducing the field strengths to zero. Alternatively, a separate coil outside the testing system can be used.

Features at a glance

• Uses the skin effect of alternating current for uniform magnetization and problem-free demagnetizing, also with complicated workpieces
• Two phase-shifted alternating currents generate a rotating magnetic field, cracks in each direction are displayed in a single process step
• Operating errors are excluded by automatic cycling of the test sequence (clamping, rinsing, magnetizing, post-magnetizing and demagnetizing)
• Electronic and pneumatic components from renowned manufacturers ensure high operational reliability and trouble-free service, even after years
• Flanged control cabinet, easily accessible for operation and service
• Each spraying shower can be adjusted individually, and jointly pneumatically switched on and off: Short rinsing times, no dripping
• Guiding and adjusting mechanism outside the wet area, powder coating on the outside – no painted parts, stainless steel in the interior
• Double flexibility: The compact unit can easily be moved to other places, the stable construction with strut or groove profiles allows subsequent mounting of tubs, holders etc.
• Container for inspection media with inclined bottom, circulation device and without corners in the pump area: no settling of the flux agent
• Rotating and height adjustment of contact plates for long service life and low transition losses
• Tailored inspection booth and LED illumination
• Four times economical: reasonable price/ performance ratio, low space requirement, long service life, maintenance-friendly

Key Advantages of a Deutroflux Test Bench:

Standard Deutroflux model

Current flow

• test current: 2,000 A, effective
• Open circuit voltage: 3.5 V (350), 5 V (600/900)
• Adjustment: infinitely variable • Display: kA analog • Flow monitoring: 1 limit value Cycle control
• Without / individually / switchable
• Magnetizing and spraying time individually selectable
• magnetizing time: 6 s approx. Field flow
• flux density: > 1 T
• Required number of ampere windings: 10,000 (UWE 350 / 600), 14,000 (UWE 900)
• Adjustment: infinitely variable
• Display: % AW, analog Spraying
• Without cycle: no time limit
• Single cycle: only during magnetizing, automatically switched off during post-magnetization Demagnetization
• Included as standard
• Individual switch off of both directions
• Release switchable: manually / automatically
• Demagnetizing frequency: 50 Hz
• Demagnetizing time: 1 s approx. Container of test agent
• Content: 40 L
• Electrical power of pump: 0.78 kW
• Pump capacity: 228 l/min
• Delivery height of pump: 2 m approx.

Available Upgrades

• Heavy-duty rollers for dislocation of the machine
• Workpiece ejector
• Darkening booth
• Mounting rollers
• Full-wave DC (FWDC) for current and field flow
• AC test current 3,000-5,000 A, effective
• Field flow monitoring
• Low frequency demagnetizing
• Memory II (operating via Siemens touch panel with parameter memory and for documentation)

	UWE 350	UWE 600	UWE 900
Max. length of workpiece	350mm	600mm	900mm
Max. diameter of workpiece	300mm	400mm	400mm
Max. weight of workpiece	25Kg	75Kg	75Kg
Current flow (Max. current)	2,000A	2,000A	2,000A
Field flow (Max. flux density)	>1 Tesla (10,000AW)	>1 Tesla (10,000AW)	>1 Tesla (10,000AW)
Power supply	400v/50Hz	400v/50Hz	400v/50Hz
Max. current consumption	43A	50A	70A
Max. power consumption	18KVA	20KVA	28KVA
Control voltage	24VDC
Type of control	SIMATIC PLC
Rel. duty cycle	40% (Optional 60%)
Air pressure	5-6 bar (500-600kPa)
Air consumption per cycle	0.5NI
Clamping stroke	8mm
Number of spraying showers	w/o (optional 3 pieces)	5 pieces	7 pieces
Total weight – approx. (with switch cabinet and container for testing agent)	550Kg	650Kg	780Kg
Dimensions (L×W×H):	2.0m×0.9m×1.8m	2.3m×0.9m×1.9m	2.6m×0.9m×1.9m

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Additional information

Option	DEUTROFLUX UWE 350 MPI TEST BENCH, DEUTROFLUX UWE 600 MPI TEST BENCH, DEUTROFLUX UWE 900 MPI TEST BENCH
Manufacturer	Karl Deutsch