The rock crusher for sale was created after the gradually popularizing and perfecting of steam engine and motor power machinery and its history can be traced back to eighteen tens when the first steam engine driven rolling crusher in the world was born; in 1858 in the United States, Black invented the first rock crushing jaw crusher supplier. And later, with the development of productive forces, the jaw crusher plant cannot meet the need of crushing technology. So, on the basis of jaw crusher, Americans made cone crusher with continuous crushing actions in 1878, whose production efficiency was higher than that of jaw stone crusher machine with intermittent breaking action; because of the need of man-made sand, natural sand cannot meet the need of important constructions.

After the check and examination, if there is no any other question, start the portable cone crusher according to the instruction in the operation manual. After the oil temperature, oil pressure and the pressure of the cooling water reach the stipulated value and the oil pump runs for three to five minutes, start the portable cone crusher and starting material feeding.

Check the drainage condition of water seal and dust tight; if there is no water supply, the crusher is not allowed to run. Check whether the pipe of the water cooling system is smooth. And check the water amount and temperature.

The development of impact crusher in China was relatively late, so not until to the last century 50's did our country had stone crusher in real meaning. Therefore, most of the crushing and screening equipment in China were born in 1950s. Before the 80's of last century, impact crusher made in china was limited to the processing of hard materials, coal and limestone for instance. Until the end of last century eighty's, we made introduction of KHD hard rock impact crusher into China to fill the domestic blank of high hardness crusher. But the technology is behind abroad for more than 20 years.

When you successfully finished the above steps, check the running process. The material feeding must be even, and the granularity should conform to the requirement that is generally smaller than eighty percent of the feeding size. Please keep in mind that non-crushable materials are not allowed to insert into the crushing chamber to prevent them from damaging the spare parts of the equipment.

Regularly check the oil amount and oil temperature of the lubrication system. The temperature of the return oil should not exceed 60centi degree.