Monthly Archives: October 2020


Market Analysis

Categories: General, Tags: , , ,

With rapid growth of cement production in recent years, China is facing heavy environmental governance pressures. Hongxing machine develops energy efficient crusher equipment, sand and gravel production line, which play extremely important roles in the cement production process. Among sand and gravel production lines, which are applied in a variety of fields. Hongxing mining machinery company is specializing in the production of mining equipment and construction materials equipment with 50-year history. We keep researching and developing new products on the basis of introducing foreign advanced technology and observing the domestic current situation, our products, such as sand stone production line, milling production line, Raymond mill, jaw crusher, hammer crusher, impact crusher, cone crusher and other equipment stand leading domestic level, some have reached international advanced level.

Since our country was founded, especially since the reform an opening up, the growth speed of national economic construction is very fast. The corresponding development of sand used as concrete aggregate, and stone used in traffic and railway construction is also growing rapidly. 600 million tons a year before the reform and opening up have increased to 1.6 billion tons a year at now. Annual amount of sand output has reached 20 million tons. With the deepening of reform and opening up, the implementation of the Tenth Five-Year plan, the development of high technology and infrastructure, the quantity and quality of the sand has a higher requirement. China will increase the investment force in roads, railways, water conservancy and other infrastructure along with the rapid development of national economic construction.

The senior aggregates will surely have broad market. Along with the continuous development of domestic sand making technology, the performance of sand maker improves greatly. The old equipment is gradually replaced by new equipment. Because the aggregates take an important role in the construction, the high performance sand maker also plays an important role in the infrastructure construction. The state has paid more and more attention to the resource protection and utilization. In 1990 and 2000, the central government held twice symposiums on population, resources and environment. The main leaders made an important speech at the meeting, pointed out that the protection and management of resources must be strict, development in protecting and protection in developing. Giving attention to both administration and conservation in the course of development, putting the saving in the first place, we must actively promote the use of resources, change extensive developing way to save developing way, and realize the resource-saving and suitable China national conditions economic growth mode. Since then a number of policies, regulations were introduced around the country. Sand production line equipment overall have characteristics and advantages of high intensity, high efficiency, good security performance, environmental protection and energy saving, easy-to-use and low maintenance rate, remitting the environmental governance that cement industry facing pressure. Hongxing machine believes that with the continuous increasing demand for cement, sand production line will get a great impetus to the development. In this environment, the market demand of artificial is more and more big. In reply, the huge market demand also contributes to the rapid development of the sand making industry. Sand making industry will face a rapid developing spring to China. Many manufacturers should seize this golden opportunity, rapidly grow their own and establish their own brand.



Categories: General

Due to the extremely close spacing between the head and the disk surface, any contamination of the head read / write or sources may lead to an accident in the head, a disk failure in the head to scratch the surface of the source, often grinding the thin magnetic film and causing data loss. These accidents can be caused by electronic failure, a sudden power failure, physical shock, wear, corrosion or Sprint due to the headers or sources are of poor production.
Head of the hard disk
The axis of the HDD depends on the air pressure inside the enclosure to hold the head and the correct height while the disk spins. An HDD requires a certain line of air pressure to function properly. The connection to the outside environment and pressure occurs through a small hole in the enclosure (about 0.5 mm in diameter) usually with a filter in it (breathing filter, see below). If the air pressure is too low, then there is not enough momentum for the head, which is too close to Sprint cell phones the disc, and is the risk of failure and data loss. The discs are manufactured especially for high altitude operations, about 3000 m (10,000 feet). Keep in mind that modern aircraft have a pressurized cabin altitude pressure which normally does not exceed 2600 m (8500 ft). Therefore the ordinary hard drives can be used safely in flight. Modern disks include temperature sensors and adjust to environmental conditions. The ventilation holes can be seen on all disks (usually have a sticker on his side that warns the user not to cover the hole. The air inside the operating disk is constantly being swept by the movement of the friction plate. This air passes through an internal recirculation filter to remove any contaminant that was left of their manufacture, or any chemical compound that had somehow entered the enclosure, and any particles generated in cell phones a normal operation. new cell phone plans are very viable for A very high humidity during a long period can corrode the heads and plates.
IBM hard drive head over the plate of the disc
For large magnetic heads resistant (GMR) in particular, an incident minority pollution (not dissipate the magnetic surface of the disk) is expected to lead to a temporary overheating in the head Sprint cell phones due to friction with the surface the disk, and can make that data can not be read during a short period of time until the head temperature stabilizes (also known as “thermal asperity”, a problem which in part can be treated with the appropriate electronic filters signal reading).
The electronics of the hard disk drive control motion and rotation of the disk, and performs reads and writes needed by the disk controller. offers if you are looking for The modern disk firmware is capable of scheduling reads and writes efficiently on the surface of the disks and to reallocate sectors that have failed.