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Mechanical Engineering Introduction

Mechanical engineering work object is dynamic mechanical, it's the job of the will happen very big change.China spiral classifier this change is sometimes random and unforeseeable; the practical application of the material is not entirely even, there may be all kinds of defect; processing accuracy has certain deviation, and so on.Cone crushers and static structure for the civil engineering work object than in mechanical engineering problems are more difficult to solve with the theoretical accurate.Therefore, the early mechanical engineering use only simple theoretical concept,cone crushers combined with practical experience.Design calculation formula by experience more; to ensure safety, tends to have a conservative,stone crushing plant made of the mechanical clumsy and huge, high cost and low productivity, energy consumption is very large.The ball mill for the installation of horizontal rotating cylinder, outer edge of which lies gear, two warehouses, lattice-type ball mill.Feed materials from the device into the compound empty-axis spiral uniform access to the first mill wharf, the warehouses have stepped liner or corrugated liner, the contents of different specifications ball, the centrifugal force will have a rotating cylinder ball to a certain altitude sets, and have severe impact on materials and grinding role.Materials in the first positions to grinding, single-layer at the plate in the second warehouse stores, the warehouses incalculable-liner with a ball, will further polishing materials.Discharge through the grate of powder from plate to complete grinding operations.From 18 th century on,stone crushing plant the new theory constantly was born, and the development of mathematics method, make a design calculating precision continuously improve.Of the 20 th century,dryer machine appear all sorts of experimental stress analysis method, people already use experimental method to detect and physical model in different parts of the stress.20 (superscript th) century,dryer machine and the finite element method and the wide application of electronic computers to make complex mechanical and their parts, components for power, torque, such as stress on the analysis and calculation of the possible.To master have full practice or experimental material mechanical or its components, already could use statistical techniques, according to the requirements of reliability, scientifically, the mechanical design.Dryer machine:www.Hxjqcrusher.Com/dryer.Html.

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