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Solve the phenomenon of internal thread locking or locking after electroplating

Date:2016-09-15 Author: Times:25042

Such as some copper nuts, hex nuts, square nuts, riveting nuts, as well as step nuts, etc., these are internal thread. A product, bad tooth pattern is a fatal flaw.




The main reason for bad tooth pattern:


1)the process of filament wear wear


2)the test teeth of the rule (teeth) used for too long, there are wear and tear


3)the pre-treatment is not clean


4)the plating layer is too thick




Shenzhen Lixin-iMachining Hardware to avoid bad tooth pattern:


First, we must first understand whether the need for electroplating products, if it is the color of the product, the use of standard wire tapping tapping can be, if it is the need for plating, do the goods before the electroplating factory to consult the thickness of the coating, generally 3-5 u, different colors of the coating will be different, when the goods can be reserved for reservations.


Second, in the production process, 2 hours for a tour check, on the wire tapping, teeth and so on to be visual (check whether wear), size measurement (outside diameter is within the standard), for different materials , The aperture must also be required, usually copper material is relatively soft, the standard hole on the line, but for stainless steel, 45 # steel, chrome steel and other products, the aperture should be appropriate to enlarge. When doing goods must have a real thing.


Third, the cleaning before plating is essential. Tooth pattern does not allow residual debris, be sure to repeatedly wash several times. Check with the teeth, until the phenomenon of no card can be sent to the electroplating factory. (This part must be completed in their own plants, do not think the electroplating factory will help handle.)


Fourth, strictly account for the electroplating factory to control the film thickness, to the real material to the electroplating factory, so that in the electroplating process of product testing.


More than a few links control, the basic pattern of teeth is not a problem.


Shenzhen Lixin-iMachining Co., Ltd