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Many adhesives have specific instructions for surface preparation of steel or aluminum. While they never seem to have specific recommendations for nickel-plated neodymium magnets, we've followed their recommendations for metals.
For bonding to steel, it says:. All epoxies and many other adhesives call for roughening of an especially smooth surface. Use a light grit sandpaper to lightly sand a little bit of the nickel plated surface prior to gluing. After sanding, be sure to clean the dust off the magnet first! For some sizes, you can even just scratch the surface a little with a sharp nail, which works almost as well.
There are a number that usually work quite well. Here's a list of a few of the basics you might choose from:. In a majority of applications we see, epoxy works best.
It's generally good at bonding with both the nickel plating of our magnets and many other surfaces. Do not use a hot glue gun on neodymium magnets. While this adhesive works really well on so many surfaces, the high temperatures can demagnetize your magnets.
Even the so-called low temperature hot melts are well above the Maximum Operating Temperatures of most neodymium magnets. Don't do it! Trying to adhere magnets to plastics is a sticky issue that quickly gets complicated. Again, we're not adhesive experts, so consider contacting technical support at an adhesive company for your specific needs.
Some plastics are easier than others to glue to. Plastics like ABS used in many consumer products and PVC the white plumbing pipes work well with many different adhesives. Other plastics like Polypropylene milk jugs or Polyethylene plastic shopping bags are practically impossible to get a strong bond with.
For some, Precision Woodworking Square Review Key you will have to resort to a mechanical bond. For smaller magnets, double-sided adhesive tape can be a good fit. Such tapes are Woodworking Plans For Beginners Free No generally not strong enough for the really big, powerful magnets. Glue and magnets is such a hot topic, we've received a number of great suggestions from our customers.
Thanks to all who have shared their experiences! They have a neat package that's a one-time-use envelope. Another reported good success holding cylindrical and ring magnets into holes in an anodized aluminum part using Loctite acrylic adhesive and Loctite urethane methacrylate.
When used with Loctite primer an acetone cleaner , they didn't find it necessary to roughen either surface. A number of folks wrote in to warn about using JB Weld adhesive with powerful neodymium magnets. JB Weld is a popular epoxy adhesive with steel filler material. Apparently, the flakes of metal help to draw the material all around the entire magnet while the glue is still wet, making an awful mess.
While there might be a few applications where this phenomenon is a feature, be cautious for general use. Thanks to everyone who wrote in! Also note that, if controlled, some folks also reported great bond strength using JB Weld. For gluing to plastics, a customer strongly recommend checking out Loctite Plastic Bonder Epoxy.
It's an epoxy formula with acrylic in it. Neodymium arc magnets are strong curved rare earth magnets. With unique shape — segment, a set of diametrically arc magnets can be used to form a ring. Arc magnets make up for the shortcomings of ring magnets.
They are the most popular shape of permanent magnets and typically used in permanent magnet motors, generators and torque couplings, pumps, magnetic bearing, halbach. Our ISO certified curved magnet factory can optimize design and then manufacture the specific individual arc magnet or entire magnetic assembly to meet the special requirement of customer. When you ask for arc neodymium magnets price , engineering drawing is important and necessary to provide us to avoid any misunderstanding of the dimensions.
For assistance from a technical representative, click here for the contact info. We will answer your email shortly! Your Email required. Your Message required. Custom Neodymium Arc Magnets. It can also be used for Magnetic Nail Polish! Too big neodymium ring is hard to make.
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