Deep hole machining oil mist lubrication

Deep hole machining is the machining of holes with a ratio of hole depth to diameter of 5 and above. In the machining industry, the machining of holes is more, but in the processing of deep holes, the service life of the drill and the quality of the machining holes are difficult to guarantee. Impr

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US 2014 tire sales growth of 4.7%

According to an external report, the American Rubber Manufacturers Association (RMA) predicts that in 2014, driven by double-digit growth in both original and replacement tires, US tire sales will reach 310 million, a 4.7% increase over 2013. RMA expects that the sales volume of US passen

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Magnetic separation application field and basic principles

I. Overview (1) Application fields of magnetic separation Magnetic separation is a beneficiation method that utilizes the magnetic difference between minerals in an inhomogeneous magnetic field to separate different minerals. Magnetic separation is simple and convenient without additional pollutio

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Effectively avoid errors in natural gas flow metering

There are three methods for natural gas flow metering: volume flow metering, mass flow metering, and energy flow metering. Conventional natural gas metering uses volumetric units. In recent years, measuring in terms of quality and energy has become a trend. The use of energy or mass units is prefer

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Heavy truck sales exceeded 100,000 in September

September was the first month for the heavy truck market to go out of the off-season, and it was also the month when 9.21 governance super-policy brought policy benefits to the “heavy age” of the heavy truck market. The performance of each heavy truck company under the new policy of â

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