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How to distinguish the quality of the spindle motor bearing of the metal cnc router machine

Posted by: Oil Punch 2021-10-16 Comments Off on How to distinguish the quality of the spindle motor bearing of the metal cnc router machine

  After operating in the cnc router machines industry for so many years, I have encountered various situations. Among them, we often encounter some deceived customers who come to us for help. For example, if you buy a counterfeit or refurbished cnc router machines spindle motor, although the price is very cheap, it will not take long for a sentence to appear. When you go to the seller at this time, you can't find it at all, or the seller will not provide after-sales service for you. . This is the current chaos in the market for the parts of the laser cnc router machines. Below, China will introduce you to several common methods for distinguishing the quality of metal engraving electromechanical spindle bearings.

  1 Is the outer packaging clear:

  Under normal circumstances, the Zhengchang brand has its own dedicated designers to design the external packaging, and arranges the production conditions to pass the production conditions of the factory for production, so the packaging is very clear and unambiguous from the lines to the color blocks.

  2. Is there any noise

  Hold the inner sleeve of the bearing with the left hand, pull the sleeve with the right hand to rotate it, and listen for noise. Due to the backward production conditions of most counterfeit products and the completely hand-crafted workshop operation, it is inevitable that impurities such as sand will be involved in the production process, and they will be hidden in the bearing body, so noise will be generated when rotating. This is the biggest difference from the original brand that strictly implements production standards and uses machines to operate.

How to distinguish the quality of the spindle motor bearing of the metal cnc router machine                                                                           Upload to:10-16 2021

  3. Are there any turbid oil traces on the surface:

  This should be paid special attention when buying imported bearings. Since the current domestic anti-rust technology is not very popular, it is easy to leave thick oil stains when anti-rust treatment is performed on the bearing body, which is sticky and sticky in the hand, while it is almost invisible on the original imported bearings from abroad. When it comes to the traces of anti-rust oil, a very careful expert said that the imported bearings smelled a kind of smell, it must be the anti-rust oil, but they can't see it.

  4. Whether the steel seal is clear:

  will be printed on the bearing body brand words, labels, etc. The font is very small, but most of the products produced by the factory use stencil printing technology, and the characters are pressed before heat treatment. Therefore, although the font is small, it is deep concave and very clear. However, the fonts of imitation products are not only mock, because of the rough printing technology, the fonts float on the surface, and some of them can even be easily erased by hand.

  5. Is the chamfer uniform

  The so-called chamfer of the bearing is the junction of the horizontal plane and the vertical plane. Due to the limitation of production technology, the counterfeit bearings are not handled satisfactorily at these corners and corners.

  Through the above introduction, I believe that everyone can have a certain ability to do other things, but the most fundamental thing is to buy through formal channels. Please look for China when purchasing an cnc router machines.

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