Gunsmith, · A gunsmith is a person who repairs, modifies, designs, or builds guns. The occupation differs from an armorer, who usually replaces only worn parts in standard firearms. Gunsmiths do modifications and changes to a firearm that may require a very high level of craftsmanship, requiring the skills of a top-level machinist, a very skilled ...Which one is the best, ball mill or rod mill?, · The performance of the ball mill is characterized by high production capacity, strong adaptability to the material, high fineness of the material, fine grain of the material, easy to fine grinding, energy saving is more significant, but its over-crushing phenomenon isCement mill, · Ball mills are normally operated at around 75% of critical speed, so a mill with diameter 5 metres will turn at around 14 rpm. The mill is usually divided into at least two chambers (although this depends upon feed input size - mills including a roller press are mostly single-chambered), allowing the use of different sizes of grinding media.Mr.Gold, · Generally, the effect of grinding and classification stage is measured by grinding fineness of grinding mill, the productivity of grinding mill, the efficiency of grinding and classification stage. In this paper, we will elaborate on these indicators and their influencing factors one by one.Cast iron surface finishing methods, · The point is how did they get that surface finish without modern processes such as 3d CNC milling/grinding etc. I am working on a product that is cast iron with non critical curved surfaces and would like to finish it without filling, sanding and painting so a smooth bare iron surface would be a nice option if it could be done without a huge amount of hand work..
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