Slotting machine is a kind of Metal Cutting Machine tool used to process groove features. During processing, the workpiece on the worktable performs longitudinal, lateral or rotational movement, and the slotting tool performs up and down reciprocating movement to cut the workpiece. Slotting machines have low productivity and accuracy. They are mostly used for processing inner keyways or spline holes in single or small batch production. They can also process flat, square or polygonal holes, etc. They are often replaced by milling machines in mass production. At HOSTON, you can purchase both types of machines at will.
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A water pump is a machine that delivers or pressurizes a liquid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, which increases the liquid energy. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspoemulsions, and liquid metals, as well as liquids and gas mixtures. And liquids containing suspended solids. In recent years, as urban construction tends to be high-level, people’s domestic water needs to be pressurized and promoted. As an important equipment for pressurized promotion, the pump is used more and more widely. However, the noise and vibration problems it poses have become one of the problems that environmental workers must solve. The problem of aging secondary water supply equipment has been raised. Many residents living in high-level areas have profound experience. Noise, water pollution, high energy consumption ... but really want to update the water supply equipment, the high cost of many residential properties, industry committees and residents have retired. New urban gardens are also facing the same problems. However, in the new way of using energy contract management, the problem of secondary water supply that has plagued residents' lives for a long time has not been solved within one month.
The noise of the old pump disturbs the replacement of people. The fund reporter interviewed residents of the new city garden randomly. Most people said that the noise of the old pumps kept on working day and night, coupled with the hot and humid weather in the summer, kept them uneasy during the day, and was unable to work at night; Normal rest will directly affect the working status of the next day. In addition, the residents are also quite indifferent to the high energy consumption and high electricity bills of the old water pumps.
The residents of the residential area, who were contaminated by old pump noise, told reporters that he was engaged in engineering management work and therefore he was very familiar with the situation of old pumps. He thought that the entire system was problematic from design, installation to operation. In response to these problems, residents of the community have repeatedly consulted the relevant departments of the Environment and Sanitation Bureau and resolved solutions. They even thought that they would spend money to repair and solve them, eradicating the ills that affect their lives.
“Even if we live on the 4th and 5th floors, we can feel the resonance of the machine.†Mr. Guan said that he had repeatedly asked for a replacement of the pump, but due to technical and financial issues, it has not been resolved.
The concern of the property company is that, on the one hand, a large amount of investment cannot be made. On the other hand, once the new equipment is replaced, the maintenance and repair in the later period will be a great expense. So the idea that they can use the old pump to repair it can still be used, and it has not been replaced.
New methods to solve complaints without a new method Medical Xinxing Liu, the manager of the new urban garden Ruifeng Property, said that since taking over the community, they have repeatedly received complaints about a series of problems such as excessive water pump noise in the community and non-compliance of water supply facilities. However, due to the generally high prices of secondary water supply equipment on the market, the views of community owners cannot be completely unified, and pump replacement has become a heart disease for everyone.
“The high-rise pumps are designed underground, so the residents of the first and second floors have been affected by the noise of old pumps for a long period of time. Sometimes there are leaks. This problem cannot be solved for a long time. Some owners are even willing to replace their new pumps with their own pockets. This also involves future repairs and maintenance, making it difficult for the pump to be transformed.†Mr. Liu said that they have repeatedly on the market to investigate a new type of water pump with reasonable design, low noise and energy saving, but faced with an over-priced water supply in the market. Facilities can only be deterred.
It is understood that the new urban garden community came into contact with the production of new water pump manufacturers is more than a month ago, the property company proposed the idea of ​​replacing the old water supply equipment in high-rise residential areas, but also listed the existing difficulties, including funding issues . Vendors proposed that they could use new ways to "pay in installments." After brewing for more than a month and testing the old equipment after 10 days, the new pump was used on July 9th.
Energy contract management or new solutions to solve new methods The cost of replacing new pumps is high, and property companies, including owners, may not be able to provide so much to replace new pumps at one time. Who pays for the high costs?
Because the new water pump saves an average of 70% more energy than the original equipment, the energy contract management between the manufacturer and the property company means that the property is not invested in the previous period, and the cost of the power-saving part of the equipment in the future use is approximately 80%. This installment of payment-like measures solved in a timely manner the problem of many districts being unable to replace new pumps because of expensive equipment.
“Actually, many people’s thinking has a certain inherent pattern and cannot understand this new approach. There are also property companies out of the idea of ​​'more things than less' in the absence of any interest in the case of community II. The reform of the secondary water supply equipment was not active, and we still supported the water supply reform of the community. After the replacement of the pump, the noise came down, the technology improved, and the low-carbon water supply was realized. Now we can drink drinking water that is more hygienic than before. The most important thing is to solve the problem," said the owner Mr. Liu.
Summary: Urban construction tends to be high-level, and people's domestic water needs to be pressurized and promoted accordingly. As an important equipment for pressurized promotion, the pump is used more and more widely. However, the noise and vibration problems it poses have also become one of the problems that environmental workers must solve.