1. Zero calibration. The mechanical zero of the meter should be calibrated before the new instrument is used for the first time. The method is as follows: firstly open the screw of the lower part of the instrument, take out the battery, calibrate the mechanical zero position of the electric…
The chemical name for the drug black dithiophosphoric phosphate. Commonly used are toluene-based black medicines, which are classified into No. 15 black medicine, No. 25 black medicine, and No. 31 black medicine because of the amount of phosphorus pentoxide …
The nature of minerals that are easy to float and difficult to float is generally referred to as the floatability of minerals. Is the difference buoyant flotation available mineral beneficiation to points thereof. In the modern flotation process, the applica…
The ship's design …
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As a kind of precise CNC equipment, the necessary daily maintenance is significant for the service life and accuracy of CNC carving machine. Please maintain CNC carving machines according to the following requirements. One of the maintenance requirements is th…
Bearings are the indispensable main parts in the parts of the entire machinery industry and the hardware industry. The linear flange type bearings are one kind of linear bearings. There are certain differences between other structures and other types of beari…
We know that the color of rice is white. In fact, because rice is sold through selected rice, impurities, yellow rice, and bad grains are removed. Therefore, white rice is present. In rice purchases, yellow grain rice is often encountered early. At this time, in order to accurate… 70-100 tons / day copper plant equipment list
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