We developed our magnetic glass dry erase boards with the philosophy to always provide exceptional quality. Our Foreverwhite ® line of magnetic glass whiteboards are the very best in collaborative communication tools ever to be produced. Great for meetings, presentations, and brainstorming sessions.
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Electromagnetic suspension (EMS) is the magnetic levitation of an object achieved by constantly altering the strength of a magnetic field produced by electromagnets using a feedback loop.In most cases the levitation effect is mostly due to permanent magnets as they don't have any power dissipation, with electromagnets only used to stabilize the effect.
the surface. Iron particles are attracted and concentrated at sites of the magnetic flux leakages. This produces a visible indication of defect on the surface of the material. The images above demonstrate a component before and after inspection using dry magnetic particles. Ultrasonic Testing (UT)
Specialized magnetic shielding materials usually have a higher relative permeability, but a lower saturation point. Permeability is the degree of magnetization of a material that responds linearly to an applied magnetic field.
The magnetic write-and-wipe handwriting paper was designed to help save time with daily classroom activities. The pre-printed writing lines allow teachers to move quickly from one lesson to another with out having to redraw the lines on the board.
Aug 07, 2018· After the strip is positioned, energize the magnetic field and apply magnetic particles (wet suspension or dry powder). Indications perpendicular to the magnetic flux will be stronger and more well defined than indications at an angle. No indications will form if the strip is aligned parallel to (in line with) the magnetic flux.
Experiments with magnets and electromagnets which can be built and demonstrated; for elementary school through high school classrooms. Can also be a starting point for science fair projects. ... and notes on how they work are all here for you. Also shown are several cool magnetic toys you can buy. Of course, there are also links to useful sites ...
Trinity NDT® Procedure for Magnetic Particle Examination Page 5 of 6 7.4.9 The light source, technique used, and light level verification is required to be demonstrated one time, documented, and maintained on file. 7.4.10 Demagnetization shall be required after the completion of the examination when the residual magnetic field could interfere with subsequent processing or usage.
Conference Room Whiteboard with Magnetic Surface. This conference room whiteboard is ideal for ensuring your executive ideas are heard and seen in all of your office meetings. It is double sided for ample dry erase writing space and has a magnetized surface to hang important documents and graphs.
Dry erase boards, a.k.a. whiteboards, are constructed in a number of ways. The most common type has a thin, white, plastic coating on the surface of a board. Dry erase markers write well on it, though over time they can leave permanent marks on the surface. This …
Nov 21, 2013· Magnetic particle testing - 1 - Duration: 36:35. Theory and Practice of Non Destructive Testing 30,253 views. 36:35. Birring NDT Series, Liquid Penetrant Inspection # 3, Water Washable ...
Magnetic Double Ten-Frame Dry Erase Demonstration Board Kit Standard - or - State Select A Standard/State All States Common Core Head Start Standards Next Generation Science Standards (NGSS) National STEM Standards Alabama Alaska Arizona …
Sep 16, 2017· Draw precise geometric shapes with this Dry Erase Magnetic Measurement Set. These oversized tools help demonstrate polygons, circles, angles and much more. Kids from kindergarten to high school benefit from visual mathematics. These tools have a place in any classroom, anytime. The measurement tools are ideal for use on white or chalk boards!
The images above demonstrate a component before and after inspection using dry magnetic particles. Ultrasonic Testing (UT) In ultrasonic testing, high-frequency sound waves are transmitted into a material to detect imperfections or to locate changes in material properties. The most commonly used ultrasonic testing technique is pulse echo ...
5.3 The temperature of the test surface shall not exceed 135ºF for magnetic inks and 600ºF for dry powders. (For dry powders, test surface be clean and dry). 5.4 For parts to be inspected using magnetic inks the area to be inspected may, if necessary, be precleaned with a cloth lightly moistened with cleaner.
We make a variety of graphic boards in either magnetic or non-magnetic options in a variety of sizes and styles. OptiMA has a great selection of dry erase grid boards available as small as a handheld student lap board and as large as a 4' x 8' wall mounted board. We offer four different grid patterns that range from a 1" x 1" to a larger 2" x 3".
This technical article briefly describes seven very important tests you should perform during commissioning of a dry-type transformer. Usually tests are ... magnetic core, ... UHF Partial Discharge Location Demonstration.
Magnetic particle examination (MT) is a very popular, low-cost method to perform nondestructive examination (NDE) of ferromagnetic material. Ferromagnetic is defined in ASME Section V as "a term applied to materials that can be magnetized or strongly attracted by a magnetic field."
Procedure for Magnetic Particle Testing Document: QMS-P-007 revision 0 August 08, 2016 Page 1 | 18 . Procedure for Magnetic Particle Testing . Originator . ... fluorescent and dry particle applications are discussed in this procedure for the detection of surface breaking
Dry Erase, XY numbered axis, Graph Magnet will stick to any metal or magnetic surface, including whiteboards or chalkboards! The magnet measures 23" wide x 24" high and is ideal for demonstrations or at-the-board work. These graph magnets are easy to store when not in use.
Now there's no need to waste chart paper or draw handwriting lines-just write, wipe and reuse! Model handwriting, sentences and stories Strong backing sticks firmly to magnetic whiteboards Durable write-on/wipe-off surface works with wet-erase markers
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Lab equipment includes Jaw crushers, Hammer mills, Pulverizers, Rolls crushers, Ball/Rod mills, Lump breakers/Finger crushers, Test Sieves and Sieve shakers, Drum/Tumble mixers, Cone/V-blenders, Filter presses, SG/ Pulp density scales, Davis tube testers, magnetic separators, flotation equipment and vibratory feeders.
Jun 27, 2011· Suspending a superconducting disc above or below a set of permanent magnets. The magnetic field is locked inside the superconductor ; a phenomenon called 'Qu...
Jan 31, 2015· Ok, I saw this on Gizmodo (unexpectedly), and despite the fact that I've been blogging for five years now I've never actually seen something this amazing – the famous magnetic motor spinning by itself indefinitely, like this video shows. Now, I don't think there's any trick involved, there ...
1.1 This guide 2 covers techniques for both dry and wet magnetic particle testing, a nondestructive method for detecting cracks and other discontinuities at or near the surface in ferromagnetic materials. Magnetic particle testing may be applied to raw material, semifinished material (billets, blooms, castings, and forgings), finished material and welds, regardless of heat treatment or lack ...
Create a dynamic display with Quartet's wide range of dry-erase easels. Post documents on a magnetic board, add a flipchart to your demonstration or move the easel from room to room with a wheeled base. However you choose to display your ideas, we can make your presentation memorable.