The application of anaerobic adhesive fasteners loose to solve problems? – Anaerobic adhesives, fasteners, loose – construction machinery industry
Abstract: When mechanical equipment failure, Anaerobic Thread locking agents may play a role. As the car sliding layer of special help to ensure that vehicles on the track grip, screw locking threaded fasteners agent helps to ensure that the gripping force. Under anaerobic technology, these metal adhesive can support measures to achieve mechanical function can not be achieved: they can completely fill the small gap between the connecting thread. Use thread locking agent fixed Bolt Better than the mechanical devices can provide the clamping force. Special nuts or washers, the price is a liquid thread locking agent for more than 5 times. Liquid thread locking agent to reduce inventory costs. In the choice of thread locking compound, there are some key factors to consider: shear strength, cure speed, gap filling ability and work environment. Object-oriented
article: 1.OEM and MRO; 2. All industries; 3. All kinds of engineers and technicians
Keywords: Thread locking agent (34, including titles, abstracts, titles and part of the chapter headings 5x), Components (10x), Anaerobic thread locking agent (5, including summary 1x), Liquid thread locking agent (12, including a summary of chapter titles and headings 2x), Adhesives (7, including title, summary and chapter headings 1x), Anaerobic Viscosity (3x), Metal adhesive (3x, including titles, abstracts, and chapter headings) , Fasteners (31x, including headlines, summaries and chapter headings 1x), Thread locking (5x, including summary and chapter headings), Mechanical locking device (3x, including the title)
Text: According to the U.S. Industrial Fastener Institute (Industrial FastenersInstitute) published the booklet "mechanical fasteners heritage" (The Heritage ofMechanicalFasteners) above, nails, rivets, screws and other fasteners of the invention of the basic help mankind from the Stone Age into the Space Age . If these allegations are true, then it is loose fasteners in the forward path of development has left many obstacles and pits slowdown.
Maintain the tightness of fasteners may seem simple, but since the advent of nuts and bolts of the invention, the engineer may have been trying to explore ways to prevent loosening of fasteners accident.
One, why loose fasteners Threaded fasteners used in clamping the object under tension. Rotation applied to the fasteners on the force or torque will stretch bolts, the same as the spring tension and generate tension, and produce clamp load.
The clamp load in the friction in the threads under the fixed head between the Department and with the thread. When the clamp load or tension reduction assembly failure when it occurs.
When the clamp load or tension reduction assembly fault when it occurs. Although when considering the reasons leading to the disappearance of clamp load, people first think of the reasons is the "vibration," but in fact, the real roots of loose thread friction between the disappearance. Lead screw slide, or cause displacement occurs and three general reasons: bending, differential thermal effects and exogenous load, such as vibration, shock and vibration. Nut and bolt threads move between the space, thus leading to clamping loose and disappear on their own. Whenever this happens, the bolt will own unwinding. This will be a direct result of loose fasteners. Typically, only the side of less than 100 will move completely loose the bolt. Once the fastener loose, vibration generated, will result in another loose fasteners, and so on, until the final result in equipment failure and downtime.
Direct metal – metal contact area can be reduced to 15% of the total usable area.
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