copper crusher applicatiopn in Industry

Perhaps the greatest area of misunderstanding of pressure terminology, has arisen from earlier practice of referring to chamber pressure as some number of "pounds per square inch (psi)". Many earlier ballisticians believed that results of a firearm chamber pressure tests were accurately described as psi. The truth was their test results had little to do with actual pounds per square inch.
Their "crusher" testing and the testing still used in many ballistic labs, uses a barrel with a hole drilled into the chamber perpendicular to the bore's axis, usually 1" from the rear edge of the chamber. A slip fit piston is fitted into this hole with its end contoured to precisely fit the inside of the barrel chamber. In testing, a cartridge is loaded into the chamber and the piston slipped into place. A copper crusher is then stood on top of the piston and is securely held in position with an anvil. When fired, the cartridge case has a small disc rupture from it at the location of the piston hole. The hot and rapidly expanding gasses in the chamber push equally on the bullet base and on the piston base. The piston in turn moves heavily on the copper crusher, which is forced to collapse to a varying degrees depending on the total amount of pressure applied to it by the piston.
The amount of "crush" of the copper cylinder is then measured carefully and this crush length is compared to a tarage table which lists a specific value for the amount of crush which occurs.
There is, of course, more to the crusher pressure testing system then the foregoing few words might suggest. The point to be made is that the copper (lead for shotguns and some handguns) crusher method is a valid and useful tool for ammunition evaluation, but it does not actually express pressures in true pounds per square inch. This did not escape the attention of newer generation ballisticians. They set out to correct the misnomer of pounds per square inch and used instead the designation copper units of pressure (CUP's) or lead units of pressure (LUP's). However, the erroneous term PSI had become so accepted that it was frequently used interchangeably with CUP or LUP. While such use was technically wrong it created no major problems when everyone was talking about the same thing; the result of a copper or lead crusher pressure test.

Copper ore a valuable mineral source for all countries. The biggest copper mines are in Chile and North America, every year many thousands of tonnes of copper ore were produced, The copper ores are extracted by either traditional mining (open pit or underground) or by leaching, and 90 percent of the copper ore was mined from open pit. The copper is then recovered using physical and chemical techniques. Copper ore is an ore which can be smelted in a furnace along with a piece of tin ore to create a bronze bar. Copper ore, along with tin ore, are the first ores a player can mine using the Mining skill.

Copper ore crusher

There are several types of crushers to be choosed as Copper crusher. Jaw crusher usually is primary crusher for ore primary crushing. Impact crusher is also can be used in Copper ore crushing process. The text step is screening process. According to the requirements of size, choose the right screening machine to screen out the eligible Copper ore. It's also need copper ore grinding mills to make it into powder.

Industrial use of copper ore stone

Copper is found in nearly every home and vehicle, in parts and appliances, and in instruments used in all aspects of modern living, infrastructure and technology. In many respects, modern life would not have been possible without copper.

How copper is mined copper ore mining crushing plant

Copper is mined either at open pit copper ore mines or underground copper ore mines.
First the copper ore is blasted, loaded and transported to the primary crushers. Then the ore is crushed and screened, with the fine sulfide ore (~-0.5 mm) going to froth flotation cells for recovery of copper.

In the primary crusher, the ore is broken into smaller pieces of less than 25 centimetres in diameter. Copper Crushed ore is then loaded on to a conveyor belt which takes it to the storage bin. In the storage bin, ball mills and other grinding machine grind the ore until it is a fine powder.
During the crushing process, Comparing the operation efficiency of Symons cone crusher and hydraulic cone crusher, we find Symons cone crusher achieved better results in tertiary crushing. And if installing the same number of secondary and tertiary crushers, a part of operation is transmitted from tertiary to secondary crushers where the liner wear is three times less, which significantly influences on the cost reduction in the crushing process.
As a major mining crushing equipment manufacturer in China, we can supply our clients with jaw crusher, cone crusher, impact crusher and industrial grinding mill etc. Our jaw crusher is a good primary crusher, our impact crusher is widely used as secondary crusher, our cone crusher including Symons cone crusher, hydraulic cone crusher can be used as secondary crusher and tertiary crusher. Beyond this, we also supply ball mill, vertical mill, Raymond mill, trapezium mill etc. to our clients.