Magswitch Technology MAGJIG95 On/Off Magnetic with 95 lb/43 kg of Vertical Holding Force Yellow

£9.9
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Magswitch Technology MAGJIG95 On/Off Magnetic with 95 lb/43 kg of Vertical Holding Force Yellow

Magswitch Technology MAGJIG95 On/Off Magnetic with 95 lb/43 kg of Vertical Holding Force Yellow

RRP: £99
Price: £9.9
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The change from the AH180 hall-effect sensor to the S-5716 sensor changes the way that the switch works. Previously, the switch would change state when the magnet was removed. Now... Read more » There may be some users that want to locate the hall-effect sensor away from the main circuit board. I added pads to allow leads to be soldered instead of mounting the sensor on the board.

I decided to use a 4S battery and a 60A ESC to generate a current above 30A to test the circuit. When I connected a fully charged (16.8V) 4S LiPo to the input the circuit lets some of its magic smoke out. After all the cussing ended I was able to determine that the TPS70950 LDO had apparently latched up -- the current was enough to fuse the VIN lead open: Magswitch is a breakthrough in control and strength of permanent magnets, making the shipbuilding process faster, safer and delivered at a lower cost,” said David Morton, Chief Executive Officer. “Magswitch is being used in over 100 major shipyards around the world. The folks at Magswitch ® must have done their math right, because the steel structure is shaped and sized just right to keep all of the magnetic field flowing inside the assembly. It doesn’t reach outside at all! In this position, no pull force is felt. The example shown uses two RC4CDIA, diametrically magnetized ring magnets. We chose ring magnets instead of cylinders because they were easier to mount using off-the-shelf hardware. We put them side-by-side to make it easier to build and see. The condition of the surface also matters. If it’s painted, the magnet is a tiny bit farther away from the steel, so you get less force. Have a rusty surface? Less force. Maybe your surface has an irregular shape; this might also affect the force.

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R10 needs to be a power resistor. When you insert 100mΩ of resistance into the input... Read more » Electromagnetic and vacuum lifting systems are costly in the long term regarding energy and maintenance costs. Magswitch ‘Greentech’ technology will offer you significant savings in energy and repairs while increasing productivity. Custom Solutions Load regulation is hard to measure without an electronic load, but seems to be better than the line regulation.

Is it physically possible to make something like this using a few neodymium magnets from K&J? Sure, it’s possible. In fact, when we started investigating how these things worked, we couldn’t resist building one ourselves! Not much is different. The change is to the FETs and how they are driven. Previous magnetic switches were driven with 5V gate voltage. This circuit level shifts the gate voltage of the output switching FETs to 12V to extract every bit of RDSon that the FET is capable of providing. I've tried the low current LEDs, but the one I used previously wasn't very bright. Plus I have an inventory of 0603 LEDs in a bunch of colors that cost me a penny/each. They seem plenty bright to me at 5mA -- the request that I got was to make the LED visible in bright sunlight while out at the flying field. Compared to the 4A or 30A load the 3mA of LED current is a nit. Versatile Compatibility: Designed to fit both 3/4" and 5/8" miter slots, accommodating a range of compact saws with aluminum tops.Our products are designed to be ‘fail safe’ since there is no need for any power during a lift. With a positive indication of the magnetic circuit, the operator can confidently perform knowing the material is fully attached. Magswitch offers Electric, Pneumatic, or Manual for ‘on-off’ actuation. Performance I used a 22Ω 1W resistor for an easy load test. The BEC did not have a problem with this load and the output decreased only about 20mV over the entire input voltage range. This all looked pretty good. I decided to see what the input transient voltage waveform looked like for a couple of different battery types: Now, the cool part about a Magswitch ® is that you can turn it OFF. Here’s where the magic happens.

The Pareto Principle is often used as a tool for prioritization and optimization. By identifying the 20% of causes that are responsible for 80% of the effects, individuals and organizations can focus their efforts and resources on the most important areas and achieve greater efficiency and effectiveness. I used to care about how the symbols looked, but I'm using Diptrace for schematic capture and it is not possible (at least I don't know of a way) to get the pins on top or bottom to have the proper pin name rotation (i.e. horizontal). I took your suggestion to heart though and made a new symbol. But I left the CLRB pin at the lower right side because it made more sense to keep the RC components on the output side. Magswitch Technology, a worldwide leading manufacturer of switchable magnets, the introduction of the original MagPry was revolutionary new way to align steel plates or press stiffener beams in shipyards. Changing the Way Things Were DoneThe switch no longer is sensitive to disconnection by high currents. I ran more than 35A through it and it remained closed. Replaceable pole shoes, cut maintenance cost and allow for Taylor made pole shoes to be fitted for repetitively lifted irregular shapes parts such as pipe. I assembled one of the second pass 30A prototypes using different FET switches than the first pass -- substituting a Vishay SiSS28DN for the IRLHM620. The Vishay part claimed slightly lower RDSon (1.6mΩ vs. 1.8mΩ @ VGS = 4.5V) and a higher max VDS of 25V instead of 20V. I thought, erroneously, that the higher voltage rating might improve the survivability of input transients when batteries are plugged into the input. The addition of R1 between the input and the LDO solves the problem by eliminating the capacitor (C2) that caused the ringing so a higher voltage rated FET is not required to support 2S-4S LiPo batteries. With load current 35A, the voltage across the switch was 40mV (that's 1.1mΩ). Power dissipation is only 1.3W, which should not be a problem for a board even this small. I repeated the measurement with 20A load current and got 22mV across the switch, and the same switch resistance. No changes required. So here's the plan:



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