LJET-204 Rotary series Eddy current testing instrument
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- 公司名稱 SUZHOU LONGJUN NDT EQUIPMENT CO.,LTD
- 品牌
- 型號(hào) LJET-204
- 產(chǎn)地
- 廠商性質(zhì) 生產(chǎn)廠家
- 更新時(shí)間 2015/6/4 18:02:21
- 訪問次數(shù) 732
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Based on Windows XP, the operation platform is networked conveniently and adjusted easily the parameters, the settings can be stored in hard disk or internet and called freely. Multiple channels designation can display synchronously real-time. Automatic backlash compensation for rotary probe reduces circumference tolerance sensitivity greatly. Test result will be stored in database and easily for tracing lot number of the product. It owns remote diagnose online, online help and password protection. 13.Uninterruptible power supply
Diameter φ1.8～φ135mm can be applicable, the highest linear velocity to detect * of circumference is 3m/s and the min. depth of defect is 0.02～0.03mm （depend on the surface of material）, and the min.length of defect to be detected is adjustable.
LJET-204 can be used combination with the passing-through detecting system in order to expand the detection range to cover various defects such as longitudinal and transverse flaws and through-hole. It owns the advanced technology and the first class performance of eddy-current industry in the world as convenient operation and simple use and good technical serve.
1.Overviews
LJET - 204 is the unique complete full-automatic rotary eddy-current detector at home, which adopted with imported large-scale IC and combined with the most advanced eddy-current detecting technology, photoelectric induction technology and microcomputer control technology, equipped mechanical transmission device designed exquisiy to form whole electromechanical integration system. The operating software based on the WINDOWS XP makes the apparatus more concise and inligent to be used. This instrument, of which the performance is stable and reliable after long-term production examination on site, owns characteristics of high automation and fast detection speed etc., used specially for detecting metal pipe, bar and wire whatever on-line or off-line.
LJET - 204 is adopted real-time eddy-current impedance plane and dynamic time-based scanning display and real-time show 2D graphics for eddy current signal for detected object and dynamic time-based curve in different windows on same screen. It is easier and more reliable to be operated with large screen and multimode alarm technology.
LJET - 204 is a general instrument to detect metal components on-line or off-line and before service or in service for automotive, aerospace, petrochemical, metallurgical and machinery industries, and can be quickly detect various defects such as crack, longitudinal long flaw, stitch, porosity, impurity and openings crack, etc. on various surface of metal tubes, bars and wires .
LJET - 204 can detect different metal tubings, bars and wires as the test frequency range of 30KHZ-3000KHZ for rotary system, establish standard detecting database in instrument for the user to call during changing different specification.
It can be adapted with some rotary probe and other structural sensor with coupling clearance in low standard （optional probe at customer's request）, and optional some instruments such as measuring system, inkjet device and probe bracket on-line so as to realize eddy current detecting automatically for metal tube on-line or off-line.
Application：
Eddy-current detecting for metal tubes, bars and wires on-line or off-line
Applicable standards：
China：GB/T5126-2001T，GB/T 20928-2007， GB/T 5248-2008
Germany：DIN 54141
Japan：JISH 0502
USA：ASTM-E 243-97
2.Characteristics
★ The instrument adopted with external industrial computer and special detection package based on WINDOWS XP platform has same functions as computer in addition to additional detection function.
★ Detection software is mature system, and owns function of signal tracking display dynamically and real-time to position defects radially and longitudinally, and make out type of the defects signal and longitudinal position of the detected materials, accordingly settle down the difficult to distinguish type and location of defect to avoid the difficulty to distinguish the type and position of defect. The database with detected results can display detailed dataon defect such as location, size, quantity and parameter of the defects, etc. and analyse detected results. The humanity operation interface has the function of diagnose fault automatically and can point out the information of fault.
★ Unique resolution system for defect signal：
1. The 360 ° omni-directional detecting for defects signal without sector-shaped alarm to avoid residual defects.
2. The 3 display modes for same defect signal: V, Y, and X/Y, which visual displays phase and size of the defect.
3. Windowed image displays various phases for alarmed defects to l the type of defect visually and make statistics.
4. To suppress interfering signals effectively such as vibration etc. .
5. Band-pass filter traces production speed real-time to make the signal real-time and accurate.
★ The unique technology designed with quick digital electronic dynamic balance automatically to suppress effectively interfering signal in dead zone of the ends and settle down problems absoluy with oversize vibration signal and zero drift that other manufacturer cannot to avoid false defect signal and improve rate acceptability.
★ User management and statistical management of Perpetual Calendar ensure authenticity and being traced freely of the test results. Color man-machine dialogue interface makes parameter adjustment, save and calling easily. And convenient and shortcut printing function is applicable for text, graphics, parameters and statistics of detected result, etc.
★ Optional functions with automatic calendar, time display and window display detection mode.
★ Detecting curve displays dynamically and real-time. Different interface for differential probe, in- or out-passing -through, rotary and sector etc. abnormity probe is applicable for various products.
★ Professional programmable control system is suitable for automatic detecting production line online.
★ Multiple channels automatic acousto-optic alarm.
3. Technical parameters
☆Channels: 4～10 （Extensible passing-through channel, rotary + passing-through combination detection）
☆Frequency：30KHZ-3000KHZ for rotary system
☆Max. rotary speed: 18000rpm and detecting speed:
☆ Linear gain: 0—99.9dB continuous adjustable, step length：0.1dB;
☆Long-time stability: Sensitivity dB value fluctuations ≤1 dB；
☆ Separation sharpness for artificially defect size <=0.1mm
☆Misstatement rate for artificial defects <1%
☆Fail report for artificial defects of<1%
☆Circumference tolerance sensitivity<=2 dB
☆SNR>=15 dB
☆Dead-zone at the end：≤50mm
☆Mark precision：≤±50mm
☆Phase rotation：0--3590 Continuous adjustable, step length：10
☆Multiple display modes：Mode V, Y and X/Y
☆Alarm modes for vector analysis: Sector and amplitude；
☆Time-lapse hardware output alarm and real-time hardware output alarm
☆ Multiple channel acousto-optical alarm output
☆ Automatic calculating statistics for detecting length
☆Automatic resecting signal for head end and tail one
☆Bulk Storage various detecting procedures and test data
☆Function of playback and memory for eddy current detection signal is traceable for the amplitude and phase of defects.
☆ It is automatic to record and display quantity and location of defect, automatic form test report （incl. quantity of detection, number of qualified and unqualified and so such information）
☆Chinese-English interface and online help
☆ Programmable control: ingoing, outgoing, sorting, marking and linkage, etc.
☆ Power supply：AC 220V±10%，50Hz±10%
☆ Ambient temperature：-100C---550C
☆ Ambient humidity：≤85%
4．Configuration
4．1 Basic configuration：
1、Standard verticle cabinet for industry, protection level IP 54, has a whole lockable tempering glass front-plate for user to watch.
2. Eddy-current detected data processing system has 2 electronical channels for eddy-current detection. LJET-204 series have 4 channels for rotary detecting and 1 channel for clearance compensation. The specially power amplier equiped ensures reliability and anti-interference of long-distance signal transmission on site.
3. Rack signal analyse computer （with special operation software） equiped with powerful in® CPU, colour TFT screen and stable and reliable Windows ® operation system. ZYTE control and operation software is possible for reliable running long time on addition of Windows™ XP® operation system. It is possible to store and call adjusting instrument and setting parameter, display and analyse image data for analysis software real-time and store and print detected result.
4. Special power supply for detecting system
5、Rotary detecting device for rotary eddy-current detector
6、Electrical cabinet for rotary eddy-current detector
7、Oil lubrication systm for rotary detecting device
8、Control and connection cable for connecting the detecting device and control system of equipment.
9. Special air-conditioner for the industrial cabinet
4．2 Options
Optional parts at your actual requirements：
1.Photoelectric sensor
2.Velocity meter on line
3.Multiple ink-sprayer
4.Coil sensor （various sizes）
5.Transmission system
6.Bracket for coil sensor （various sizes）
7.Guide for coil sensor （various sizes）
8.Rotary probe （various sizes）
9.Induction System for ink-marks
10.Counter
11.Magnetizing device and demagnetizing device
10.Counter
11.Magnetizing device and demagnetizing device
12.Regulated Power Supply
14.Printer
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