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GOODIES IN TECHNOLOGY NEVER. Visiting the hospitals, inevitably begin to think about the complexity of the human body and compare it with the machine. In technology, as well as in humans, there is no detail. Each the seemingly insignificant "detail" may eventually lead serious violations of the system. One such "little things" is metal fatigue. Sometimes detail with multiple safety margin collapses for no apparent reason. Source cyclic loading may be imperceptible movement constructions, caused by such vibration. Another rather unpleasant "Small Change" is inevitable leakage lubricant or other fluid from under any arbitrarily clever seals. The design should always provide the device removal of unwanted lubricant leaked through the seals, a safe place. Using vibration technology, and prevent equipment unwanted vibrations - a separate section of mechanics. tame vibration very difficult. Behavior of solids under vibration weakly amenable to calculation. There are importanxtexperimental studies and results of operation of vibrating machinery of past generations. One way to combat vibration - a renunciation of the struggle. If allow the machine to vibrate properly, you can avoid over-weighting and a tightening of its construction. According to statistics, the main cause of failure of structures is loss Stability of its elements. In the calculations of the strength of reason, more attention pay bending and torsion, forgetting about sustainability. For the rational layout of the machine, you should always use the principle of "The force along the shortest path ". This will help get rid of unnecessary clutter power components. Heat Transfer in the right direction also causes many problems. Heaters installed in one place, and heat is released when there is no need. The problem of unwanted noise in the mechanism is not always possible solve grease and sound insulation (lining). Here is an interesting example: When designing the screw lifting mechanism we have heard a nasty squeak a pair of screw-nut at lowering mechanism. Cross-checked the geometry of the pair, moved all conceivable types of lubricants, but the result was not. Replaced the nut material, iron on bronze - to no avail. Creak disappeared when the nut is in despair made from the PCB. All these said "little things" really are not. This tops iceberg, hidden in the depths of the ocean engineering problems. The list goes on to infinity. The task of the designer is to find a way to solve of these problems or way to circumvent them by. And God give you GOOD LUCK ON THIS hard way!
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