Tube&Wire' 96Duesseldorf |
| | Krautkraemer | | Nukem | | Tuboscope Vetco | |LaserMike | |
Krautkraemer GmbHFor other products | Go MTQ Birmingham Report |YOUR PARTNER FOR QUALITY TUBE TESTING
| Flash Trimming Monitoring
Wall thickness measurement on electric resistant welded pipes A test unit wich allows a direct process control Monitoring the upset removal on longitudinal seams of ERW-pipes (flash trimming monitoring) As a user of welding lines for the production of ERW-pipes you are aware of the problem: monitoring must be continually made to see whether the trimming tools, responsible for removal of the inside and outside upset, are working correctly. Using the testing machine which we developed, this monitoring is made directly after welding and not after the tubes have been cut later. Therefore this testing machine is primarily a system for monitoring and control of the production process. The system operates with at least two oscillating immersion probes which measures the wall thickness in the area of the weld. The result is displayed on a monitor as a topographical presentation of the inside tube surface or as a cross-section of the wall thickness. Irregularities are immediately recognized thus enabling direct process controi. The following conditions must be fulfilied: the surface temperature at the test location must not be more than 800C; correspondingly, the distance between the weiding point and the measurement point must be selected. lt must also be guaranteed that the tube is perfectly round. This means that the deviation on the circular tangent in the sound entry point must not exceed 2°. In addition to flash trimming monitoring there is also another application with this machine: a determination of tube weight can be simultaneously made via the wall thickness measurement. lf the diameter is known then the corresponding tube length can be determined. In this way you can reduce the material losses to a minimum. For monitoring flash trimming: OSK With the flash trimming monitoring machine OSK at least two immersion probes are used which always oscillate vertical to the surface over the seam and the bordering parent ma- terial. A constant water delay line with a waterjet is used as coupling. Ultrasonic pulse Generation and the following signal evaluation is made by the wall thickness electronics. Up to 4000 measurement values are recorded per oscillation depending on the oscillation deviation and the speed. The software evaluates the wall thickness values from the electronics and links them to the probe positions. You receive location related measurement readings which are graphically displayed on the monitor. Rotation and cluster testing
machines
For offline testing of ERW pipes we also offer rotation and cluster testing machines. These testing systems are required when a 100% test of the component is to be carried out. The most suitable of the two systems is dependent on the tube diameter.
Tubes with an outside diameter of up to about 180 mm are transported on linear roller conveyors through the testing machine. Testing for longitudinal and transverse flaws is made with probes contained in a water chamber which rotates around the tube. Angled flaw testing is possible in the same testing sequence by reducing the test speed. The rotation testing machine can also carry out other tasks: by arranging additional probes it is possible to monitor geometrical data such as wall thickness, outside and inside diameters, ovality and eccen- tricity.
We developed the cluster technique especially for large tubes with diameters of up to 650 mm. However, this method of testing is also suitable for smaller tube production with diameters from about 25 mm. This technique uses a special probe holder which enables testing for angled flaws in addition to longitudinal and transverse flaw testing. At the same time, lamination testing and wall thickness measurement can also be carried out - a gapless test in just one test sequence. This is made possible by a testing machine which contains a number of cluster probe holders. Each holder can take up to nine probes depending on the test task. The corresponding probes of a cluster are contained in a water chamber and are calibrated so that they have a common sound entry point on the tube surface. During the spiral Transport of the tube, the probe holders, which are symmetrically arranged around the circumference, are guided on the tube. The cluster technique enabies a highertest speed with larger minimum flaw lengths or detectability of smaller flaws at a lower test speed.
Krautkraemer GmbH & Co.
Robert-Bosch-Str. 3
D-50354 Huerth (Efferen)
P.O.Box 1363
D-50330 Huerth
Phone 02233-601-0
Telefax 0 22 33- 601-4 02
Tx 8 881 643
| USA
Krautkramer Branson
P.0. Box 350
Lewistown
PA 17044
Phone 717-242-0327
Fax 717-242-2606
Tx 842354
| Great Britain
Buehler Krautkramer Ltd
University of Warwick
Science Park
Coventry CV4 7HS
Phone 1203 - 69 00 69
Fax 1203-693032
| France
Krautkramer France
ZAC Sans Souci
68, chemin des Ormeaux
F-69760 Limonest
Phone 72-17 92 20
Fax 78-47 56 98
Tx 305734
| Italy
Branson Ultrasuoni S.P.A.
Div. Krautkramer Italiana
Via dei Lavoratori 25
I-20092 Cinisello Balsamo
Milano
Phone 02-66010479
Telefax 02-66010480
Tx 314190
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![]() Nukem GmbH UTxx - Digital Ultrasonic Electronics
The new ultrasonic electronics of type UTxx is a replacement of previous generations, namely the type of NIM and System 20.00. The technical data are superior to those of previous type. The name UTxx symbolizes its claim, because xx describes its general capabillties for a big variety of applications. By definition of the user, the system can be turned into a dimensional measurement system or a flaw detector. As the change of capabiltity can be changed on simple demands, the xx of its name characterizes its open and general capabilties. UTxx is designed based on the international Rack system VXI, offering full and fast computer access to all parameters and measurement data. Using highly integrated electronic digital components, the need for extensive analog calibration is strongly reduced. As a result, less callbration, high long term stability and thus less overall cost in production, maintenance and repair can be guaranteed. Applying a mathematical method (patent pending) resolution and accuracy could be highly improved. UTxx is a channel oriented digital test electronics. It is parallel, multichannel and modular and thus offers high throughput and low cost for automated systems. One complete UT-Channel is integrated in a one-slot module. Applications requiring long cable ways between transducer and UT-rack, can be adapted by simple outplacement of pulser and preamp and putting it close to the transducer. All connections are easy accessible on the front panel. The standardised 19" Rack system VXI is eapable of carrying 13 slots, where slot 0 is required for interfacing an external computer, thus allowing 12 channels to be integrated in one rack, The system is highly flexible and ean be upgrated in number of channels or software features. For more than 12 channels, an additional rack can be provided.
The computer hardware available for UTxx is based on standard PC's or
workstations, The software is based on Windows(tm) and thus allows low training
requirements.
Contact: |
![]() Tuboscope Vetco International Weldsonic "C"
Weldline Ultrasonic
Inspection System
Designed to be placed within a mill production process, the Weldsonic "C" provides early detection of weld zone discontinuities. The Weldsonic "C" generates production quality feedback to allow prompt correction of mill settings. lt is designed to wfthstand harsh environments and requires low maintenance. The Weldsonic "C" consists of an in-line Positioner, instrumentation assemb@, and an operator's console. Data to and from the instrumentation assembly is communicated to the Console, which contains a PC, Monitor, keyboard, power backup, oscilloscope, operator controls, and alarms.
Contact: Tuboscan Vetcto, P.0. Box 808 Houston, TX 77001 USA Fax: +1 7131799-5452 Telex:166499 |
Laser Mike
LaserMike
| *Founded in 1970, incorporated in 1972.
Engineering Over 25 software, mechanical, and optical engineers
work in LaserMike's Engineering Department.
"LaserMike's goal is unparalieled commitment LaserMike will develop and maintain a team
of Customer Support *LaserMike has offices
worldwide.
*all products designed, developed, and manufactured at
LaserMike's plant.
Ultrasonic Eccentricity/
Contact:
Serving the wire and cable industry for over 20 years Capabillties *Measure stationary or
moving product.
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