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Anti-loose effect mode
How to achieve anti-loose effect
How to achieve anti-loose effect
As people have higher and higher requirements for the firmness and resistance of products, the amount of anti-loosening screws is increasing, so a variety of anti-loosening products are produced on the market. How to correctly select and use Various anti-loosening products to achieve the best anti-loosening effect?
Let's do a professional analysis and comparison:
1. Engineering plastics:
(1) The engineering plastic and the screw parent iron are fused together, the bonding strength is very high, and the force sheet is difficult to peel off.
(2) Engineering plastics have mechanical strength and elasticity. After the screw is screwed in, the glue will be compressed to produce elastic deformation. Squeezing into the gap generates a lot of friction to prevent the screw from loosening.
(3) The design of 120-200 degree glue is to leave a part of the deformation space for the plastic. During positioning, the elastic tension of engineering plastic is used to permanently fix the screw to absorb all the vibration force. If it is 360 degrees, the surface of 360 degrees will be squeezed when the glue is screwed in, resulting in extension. There is no accommodating space. Forced twisting will peel off the glue along the screw teeth, it has no tension to absorb the vibration force when positioned.
(4) Engineering plastics are not soluble in general solvents and even acids and alkalis are difficult to melt.
(5) High and low temperature resistance (-50 degrees -150 degrees).
(6) can be designed according to user needs torque (increase or decrease the thickness of plastic)
(7) It can make up for the defects of screws. For example, some screws are too thin and the tooth diameter is too small. It can be treated with anti-fixation and anti-loosening to increase the torque.
(8) assembly operation is simple, high efficiency.
(9) can be used repeatedly, or adjust the positioning.
2. The characteristics of anti-fixation and anti-loosening
(1) Hypoxic glue is mainly composed of capsule, main agent and hardener. When the pre-coated screw is locked into the mother part, the microcapsule will break and combine with the hardener to produce curing effect, so that the screw is cured to achieve anti-loosening effect.
(2)360-degree design, because the oxygen-deficient glue has particularly good elasticity, when the screw is locked into the mother piece, the oxygen-deficient glue will squeeze into the thread to make it more tightly combined.
(3) Strong temperature resistance, grease resistance, and can adapt to changes in ambient temperature.
2. non-anti-loosening hard glue-(it is mixed with strong glue, color masterbatch or pigment, and manually coated on the screw, with other environmentally unfriendly materials inside)
1. When the screw is combined with the thread, the head is easy to slip, which is inconvenient for operation.
2. The adhesion is not good, and it is easy to scrape or shift the rubber when twisting.
3, colloidal elastic energy is not enough, naturally can not play the tension and produce anti loose effect.
4, can not pass the SGS environmental protection test.
3. non-anti-loosening soft glue-(it is a kind of adhesive glue, mixed with color masterbatch or pigment, and manually altered to dry 360 degrees)
1. The anti-loosening glue is very soft, there is no capsule, and when combined, it cannot achieve effective anti-loosening effect.
2. Glue and screw parent iron material are stuck by glue, and there is no binding force. The screw and nut can be loosely removed when vibrating.
3. When the product with strong fusibility encounters poor climate or humidity, the glue will dissolve and lose its effect.
4, poor temperature resistance, can not adapt to temperature changes.
5, can not pass the SGS environmental protection test.
4., through the above comparison, the anti-loosening effect of various products is obvious. The ancients said that "you are not afraid of not knowing the goods, but you are afraid of comparing the goods with the goods", and "if it is true, it is not true. If it is false, it is not true". The simplest identification is the on-site torque test, and the effect is obvious. The real anti-loosening screw can stand the test, the confidence is guaranteed, and it is trustworthy.
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