permanent ring neodymium magnet for sound system

permanent Ring Neodymium Magnet for sound system Product Description   Physical Properties of Permanent Neodymium Magnet: a) Industrial use of NdfeB magnets was widely for voice coil motors,high performance motors, brushless DC motors, magnetic separation, magnetic resonance imaging, sensors and loudspeakers,etc.   b)NdFeB magnets have a moderately high Reversible Temperature Coefficient of Induction which reduces total magnetic output as temperature rises. Selection of NdFeB magnets instead of SmCo, for example, is a function of the maximum temperature of the application, required magnetic output at typical use temperature and total cost of the system.    c)NdFeB magnets have some limitations due to their corrosion behavior. In humid applications, a protective plating is highly recommended.  Platings which have been used successfully include, parylene,epoxy resin,zinc plating, gold plating, Ag plating,nickel plating and combinations of these platings.  Changes in composition and processing over the past several years have resulted in significant improvements in corrosion resistance and high temperature performance. Magnetic direction of Permanent Neodymium Magnet:   Range of Permanent Neodymium magnet:

Disc	Diameter	Thickness
Maximum	220.00mm	50.00mm
Minimum	0.30mm	0.50mm

 

Block	Length	Width	Thickness
Maximum	50.00mm	150.00mm	50.00mm
Minimum	1.00mm	0.50mm	0.50mm

 

Ring	Outer Diameter	Inner Diameter	Thickness
Maximum	220.00mm	80.00mm	50.00mm
Minimum	1.00mm	0.60mm	0.50mm

 

Segment, Arc and other irregular shapes can be made according to customer's sample or drawing

     Related products: Packaging & Shipping 1. By Sea-freight: Magnets would be covered by standard carton box,inside filled with iron shield.If GW is over 500KGS,pallet is required.Shipment schedule would be arranged as soon as possible.       2. By Air-freight: Magnets could be packed by carton box.In addition,magnetism would be shielded through air-freight.       Our Services   *Payment:   For small amount, our usual way of payment is 100% T/T in advance, Western Union or Paypal.     For large amount, we also could accept 30% prepayment before production, 70% after fax of Bill of loading.       *Delivery time:   We can provide scheduled shipments to fit your production schedule.     Company Information   Company name: Hangzhou YangYi magnetics Co., Ltd.   Year of establishment:2007    Location:Hangzhou City, Zhejiang Province, P.R. China.   Main products:Neodymium magnets, SmCo magnets, Alnico magnets, Mini magnets, Magnetic filters, pot magnets, magnetic assemblies, etc.   Quality certification:ISO9008:2008, SGS.   Market:America, Germany, Italy, UK, France, Japan, Korea, Iran, Israel, Domestic market, etc.   Quality control: FAQ           Please feel free to contact me !    

Contact us if you need more details on Ring Neodymium Magnet. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Magnet Ring、Sound System. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Neodymium Magnet > Ring Shape Magnet