Qianhui Magnetic
We are a professional r & d, production, sales of high-performance ndfeb magnetic materials and products of high salary technology enterprises. Main specifications of ndfeb magent are exported to the United States, Germany, South Korea, Japan and other countries.

china manufactory ndfeb rare earth disc neodymium countersunk magnet

Due to the difference of corrosion resistance of sintered ndfeb itself, therefore, in the general case of product must have a coating to protect, according to the requirements of product applications against corrosion by far the most widely has the following coating: galvanized, nickel plated, epoxy resin, chemical plating, gold-plated, silver, aluminum plating, chrome plating and a small amount of gonadorelin coating.

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china manufactory ndfeb rare earth disc neodymium countersunk magnet


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Ndfeb magnetic ring and ndfeb sink head hole magnet electroplating requirements are relatively strict, like some irregular 

electroplating factory or technology is not mature electroplating factory, in this electroplating process, in this hole often have other

sundry or serious rust.So these processes like ours are very mature, can provide high quality and cost-effective, high service three 

high products.


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All the countersunk holes need to be cut out with a drill bit, and then different cutters are selected for countersunk hole processing

according to the shape of countersunk hole.Countersunk cone holes need to be machined with a larger bit in the drilled hole. 

During the process of hole sinking, the workpiece should be positioned once to ensure the coaxiality of hole and hole sinking.

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china manufactory ndfeb rare earth disc neodymium countersunk magnet
china manufactory ndfeb rare earth disc neodymium countersunk magnet

Due to the difference of corrosion resistance of sintered ndfeb itself, therefore, in the general case of product must have a coating to protect, according to the requirements of product applications ...

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cheap and high quality electromagnetic crane project neodymium magnet
cheap and high quality electromagnetic crane project neodymium magnet

There are two ways to punch holes on the magnet block, one is the straight hole, the other is the sink hole.A straight hole is a common hole, so what exactly is a countersunk hole?A lot of them are de...

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permanent neodymium block magnet  countersunk dc motor speed control
permanent neodymium block magnet countersunk dc motor speed control

Due to its excellent magnetic properties and high cost performance, the output value of ndfeb permanent magnet material occupies 90% of the worlds rare earth permanent magnet material output value, an...

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