Screw factory: tell how the small screw products are quality checked?

 Sometimes, you can not underestimate the existence of a screw, a small body, but has a powerful role in the production of screws, check the quality of screws, how to check is the best! This is not a joke, so how small screw products are quality checks! The following let the screw factory of the editor to explain to you.

 First of all, the screw inspection should start with the wire of the screw. The quality of fine screws is good or bad directly and the production of the screw wire has a direct link. A good screw wire turned screw are more beautiful. What screw head burst ah, what tooth thread is not good ah. Good screw wire is usually not found in this condition.

 Next is the inspection of the head of the screw beating forming, in the forming side of the screw beating, the first is the production of the screw mold inspection. There is a good mold to play a good screw products. In that is the machine inspection of the production of screws, so that it is conducive to the safe and smooth production. Formed out of the screw its appearance check to see if there is no burr, and that is the scale length of the formed screws to check. See if the length of these scales are in line with national standards or customer specific requests.

 In the second is the inspection of the screw rubbing teeth. Screws rub teeth first when the plate of course. A good tooth plate rolling out of the tooth are to be able to pass through the stop gauge. Through gauge through, stop gauge stop. There is also that is to check the tooth thread pitch and so on. Also to do to meet the screw national standard specification customer request.

 The final is the plating back to the screw color inspection and salt spray test inspection. See how good the color of the screw plating back. How lubricated the appearance of the screws. Salt spray test to check the rusting time of the screw or after how many hours of salt spray screws will rust. After that is the screw shipping inspection. The approach is to select out the unqualified screws. Send the most excellent screws to customers. Ensure the quality of screws.

 The above is the answer to the question of how the quality of small screw products are checked, as long as the above method to check can be, must be in the factory, must be the quality to check, after flowing into the market, will not cause any impact and failure, the consequences of this is very serious.