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Magnetic powder control stand
Magnetic powder control stand
The magnetic particle testing stand has a simple switch between circular and longitudinal magnetization modes, as well as easy movement and fixation of the solenoid and electrical contact for locating the test object in the working area of ​​the stand. Clamping of the controlled part during circular magnetization occurs in one movement. The stand can be installed on a stationary or mobile magnetic particle testing station. For ease of inspection after magnetization, a tray with a removable protective grid is provided. The protective rear wall protects against the spread of spray splashes outside the working area.
Produced in: Moscow
UNM-300/2000 portable magnetizing device
UNM-300/2000 portable magnetizing device
The principle of operation of the magnetic particle flaw detector: The device provides monitoring and detection of surface defects by the applied field method or by the residual magnetization method. The kit with the device includes power cables, remote solenoids, and an electromagnet, with which you can produce longitudinal or circular magnetization of the part. A trolley is provided for the transportation of technical equipment and the detection of defects in the field. Magnetization is carried out by alternating, direct or pulsed current of large magnitude, due to which high values of the magnetizing field strength are achieved. Features and advantages of the UNM-300/2000 magnetic powder control device: Microprocessor control, which allows you to memorize and accurately reproduce the desired modes and selected measurement parameters, as well as work as part of automated stands and control systems; The magnetizing device has a digital indicator on the front side and a control panel for selecting the operating mode, type and current strength; Automatic recognition of the type of connected external magnetizing device; Device temperature control and automatic shutdown in case of overheating; Remote connected magnetization devices allow you to control the quality of parts and assemblies of complex shape; Automatic demagnetization of controlled assemblies and parts; The equipment meets the requirements of the following standards: GOST R 56512-2015, GOST R 53700-2009 (ISO 9934-3:2002), GOST R 50.05.06-2018, GOST R ISO 10893-5-2016, GOST ISO 17638-2018, RD 34.17.102-88 and RD-13-05-2006; Devices of the MANUL series (UNM-300/2000 and others) are approved for use by the Russian Railways. Scope of application: Magnetic particle flaw detection is indispensable where quality control of various critical and loaded assemblies and parts is required, detection of surface defects that occur during their production, storage and operation. The device may be in demand: at factories for the production and repair of automotive, aviation and railway equipment, metro enterprises, military-industrial complex (inspection of shafts, axles, wheel pairs, pistons, beams, springs, etc.); in civil and military shipbuilding, elevator and crane enterprises (control of rigging equipment, hooks, etc.); at pipe rolling plants (determination of defects in rolled products); in the oil and gas, chemical industry (inspection of welds of equipment operating under pressure). The UNM-300/2000 portable magnetic particle flaw detector has a relatively small weight and dimensions, which allow it to be used as a stationary or portable device in specialized quality control laboratories or in ordinary workshops, garages, hangars, locomotive depots or warehouses. The UNM 300/2000 device, as well as other means of magnetic powder control, are normally used together with auxiliary equipment for the preparation and application of magnetic powder (suspension), for fixing the indicator pattern, magnetometers for determining residual magnetization, visual inspection means – magnifiers and endoscopes, as well as with ultraviolet irradiators in the case of fluorescent powders. Technical specifications Magnetization currents Variable, Pulse, Rectified (only for solenoid and electromagnet) The measurement error of the magnetization current is no more than 10%. characteristics of the pulse current The repetition frequency of unipolar current pulses during magnetization and of multipolar current pulses during demagnetization is (2 ± 0.2) Hz. The duration of the current pulses is at least 1.5 ms. Magnetic characteristics of the solenoid The maximum alternating magnetic field in the center of a single solenoid is at least 100 A/cm. The maximum alternating magnetic field on the axis in the center between two solenoids located at a distance of 200 mm is at least 60 A/cm. The maximum permanent magnetic field in the center of a single solenoid is at least 80 A/cm. The maximum permanent magnetic field on the axis in the center between two solenoids located at a distance of 200 mm is at least 50 A/cm. Values of magnetization currents The maximum alternating magnetization current in the unwound cable 6 m × 50 mm2 and on the electrical contacts is at least 1000 A. The maximum pulse magnetization current in an unwound cable of 4 m × 10 mm2 and on electrical contacts is at least 2000 A. The current adjustment range in the solenoids and the electromagnet is from 0.5 to 4.5 A. Characteristics of the electromagnet The maximum alternating magnetic field in the air gap of the electromagnet depending on the interpolar distance is as follows: - in the 140 mm gap: at least 75 A/cm; - in the 40 mm gap: at least 300 A/cm. The maximum constant magnetic field in the air gap of the electromagnet depending on the interpolar distance is as follows: - in the 140 mm gap: at least 100 A/cm; - in the 40 mm gap: at least 400 A/cm. Operating mode The operating mode is cyclic: magnetization/pause. The magnetization time is adjustable from 1 to 40 s. The demagnetization time is adjustable from 5 to 60 seconds. Demagnetization of details is performed automatically. The time of setting the operating mode is no more than 15 seconds. The duration of continuous operation is at least 8 hours. Power supply parameters The device is powered by an alternating current network with a voltage of 220 V and a frequency of 50 Hz. The power consumed from the network is no more than 5 kVA. weight and size characteristics Overall dimensions of the device (w × h × d) – no more than 267×245×465 mm. The weight of the device is not more than 50 kg. Other characteristics The average worktime before failure is at least 12500 hours. The average recovery time is no more than 6 hours. The average service life of the device is at least 10 years. Compliance with standards The device fully complies with the requirements of GOST R 56512-2015, GOST R 53700-2009 (ISO 9934-3:2002), GOST R 50.05.06-2018, GOST R ISO 10893-5-2016, GOST ISO 17638-2018, RD 34.17.102-88 and RD-13-05-2006 in terms of the requirements for magnetizing devices and magnetic particle flaw detectors. Identification of the load. It performs automatic identification of the types of connected load: cables, solenoids and electromagnet. Control of the connected load current It allows you to control the current of the connected AC/DC electromagnets and solenoids.
Produced in: Moscow