When the gross profit of ordinary products tends to be low and the price wars make the manufacturers weak, the market segmentation becomes an effective way out. However, some areas are not influxed to divide the cake, not to be bold, how big the cake is. Before entering these subdivisions, it is better to first understand the current status of these areas. It is easy to make money, and it is not easy to make money, and it is cherished. First, the thunder and rain are small: the intelligent lighting of intelligent lighting is only burned in the past one or two years. As for the extent of the fire, this is evident from its presence in major exhibitions, power plants, lighting factories, and even The packaging factory has adopted its newly developed intelligent lighting solution as an exhibition sign. Involved in the manufacturers, Philips, GE and other international lighting giants have launched new smart bulbs, in an attempt to create a concept when the market has not fully opened, now mention smart bulbs, do you think of Philips Hue? Domestic manufacturers are almost able to call the name of the lighting factory, the power plant and the smart lighting, the package leader Guoxing Optoelectronics also follow the trend, and claimed that the company's research and development of intelligent lighting has been following up, Even Internet companies such as Jingdong and Xiaomi have begun to play cross-border. With so many contestants, how big the cake is, there is no authoritative data. However, some people have suggested that smart lighting belongs to the category of smart homes, and smart homes are considered to be a market that equals or even surpasses smart phones in the future. Even so, the people who have already eaten this cake can be said to be minimal. The reason is that the industry believes that price is the main factor. A set of 1699 Philips Hue can only be bought by local tyrants. Of course, there are also bargains ranging from tens of yuan to hundreds of yuan, but the experience is very poor. Look at Jingdong. Bad review, you know. The high price and poor experience are only one aspect. On the other hand, there is no uniform product standard between the various parts of the existing intelligent lighting system, from the control platform, the control protocol to the light source products, and the product is decentralized and fragmented. In short, the current smart lighting market is thunderous and rainy. More and more entrants are pouring in, and there are few who have caught the gold. Even so, the hottest segment of 2014 is still non-intelligent lighting, and its popularity will only increase in the future. Perhaps, stepping into 2015, this small raindrop area will be a storm. Second, it is not that you want to enter: Car Lighting In addition to the Nobel Prize in Physics in 2014, LED also won an honor. In October 2014, Itay Michaeli, Director of Automotive Research at Citigroup, published five of the most promising development technologies in the report, while LED headlights ranked first. If this news is not enough to stimulate your nerves, then the following set of data may be more convincing: in 2014, there will be 245,000 sets of LED car headlights in the domestic market, and this number will reach 907500 by 2016. Set, to achieve more than three times the growth. The use of LED taillights is even more widespread. Hella predicts that from 2013 to 2019, the market share of LED headlights will increase from 1 to 10. Even though the market potential is so huge, there are not many domestic manufacturers involved in automotive lighting. Hongli Optoelectronics has acquired the signal from Fouda. Layout of automotive lighting, Ruifeng Optoelectronics production and sales of automotive LED devices, BYD began to launch the headlight solution this year, the car factory Xingyu shares in the field of LED lights are also frequent. Perhaps this is the case, the traditional lighting manufacturer Snow Wright also got a share of the shares through the share of Yike Optoelectronics. In stark contrast to the intelligent lighting market, the automotive lighting market is not what you want to enter. Although LEDs are used in automotive interior applications such as instrument panels, backlight switches, car reading lights or head-up display systems, as well as automotive brake lights, position lights, turn signals, backup lights, high-position brake lights, etc. Mature, the technical threshold for entry is not particularly high, but as a LED lighting manufacturer wants to enter the car's supply chain is really difficult to go to the sky. However, the requirements of the international standard system are not enough. The lack of development and production standard systems and the imperfect configuration of experimental equipment also hinder the LED lighting companies from entering the automotive LED field. Third, the high ground is not grounded: the plant lighting plant factory's hot belt has heated the application of LED in the field of agricultural lighting. GE, Siemens, Philips and other overseas lighting manufacturers are investing heavily in plant lighting. Taiwan's Yiguang Lighting has also been involved. The domestic packaging factory Hongli Optoelectronics has also been committed to research and development of plant lighting related products, while some small and medium enterprises such as deep Wright Technology, Scottson Optoelectronics, and Resper Lighting are also focusing on the research and development of LED plant lighting. Even the mainland epitaxial chips do not give up the layout of plant lighting. From the global market, the sales market of LED plant lights is mainly concentrated in countries and regions with less agricultural personnel in Japan, South Korea, the United States, and Europe. At present, there are many LED plant factories in foreign countries, which can realize the mass production of plants. According to a global industry survey, the global LED plant growth lamp output has shown rapid growth since 2013. It is expected to exceed US$35 million in 2014 and reach US$300 million in 2017. The market seems to be there. The industry believes that the technical difficulty of LED plant lighting is not high, but lacks comprehensive talents who lack knowledge of biological cultivation and LED technology. On the other hand, the high initial investment and the high price of the LED plant lighting products themselves have restricted the large-scale promotion of the market to some extent. High-end products such as cannabis and mustard can also be used to obtain returns from product profits. But if a Chinese cabbage cultivated by LED lighting is sold for more than 40 yuan, how broad is the market? Fourth, more porridge, but the threshold is high: FlashLED From the first mobile phone factory using LED flash, Sony Ericsson, to the hot market of Apple, Samsung mobile phones, LED flash has become the basic standard, which has once again urging LED flash market. How big is the LED flash market? And look at the data. According to the LEDinside survey report, the number of global smartphone shipments will exceed 1 billion units by 2014, and it is estimated that each smartphone will be equipped with 1-2 FlashLEDs, which will drive shipment growth. The annual output value of FlashLED in 2014 is estimated to be approximately US$786 million, a year-on-year increase of 64. Looking forward to 2018, global FlashLED shipments are expected to reach 2.043 billion, while the overall FlashLED revenue/output value will also grow from US$561 million in 2013. Challenge $759 million by 2018. But unfortunately, this cake currently dominates Philips Lumileds, Osram, Yiguang electronic food segmentation market segment, Samsung mainly supplies its own mobile phone brand, and the mainland packaging factory has not successfully entered the supply chain of mobile phone manufacturers. Everyone has seen this cake now, and naturally wants to share a piece of it. Jufei Optoelectronics, Hongli Optoelectronics, Ruifeng Optoelectronics, Jingneng Optoelectronics, and Jingke Electronics are all involved in the production of FlashLED. Hongli Optoelectronics' package-free products 2016 have already sent samples to the parts suppliers of mobile phone factories, and can reach mass production. The related products of Jufei Optoelectronics have also been sampled, and it is estimated that mass production will be achieved in the first quarter of 2015. Even though domestic packaging manufacturers as latecomers want to drive FlashLED into the mobile phone supply chain, it faces difficulties in breaking through technical bottlenecks and high market barriers. However, as long as the market space is there, it is only a matter of time before eating this cake. V. Large-scale gross profit: UVLED UV-LED can be used in agriculture, banknote identification, resin hardening, special biomedical and other fields, and the market prospect is promising. According to LEDinside statistics, the overall UV (ultraviolet) market in 2014 reached 815 million US dollars (equivalent to about 5.012 billion yuan), of which UVLED production value was 122 million US dollars (about 750 million yuan), accounting for 15.1% of the overall UV market. Wu Yingjie, an associate researcher at LEDinside, said that compared to general LEDs, the price of UVLED products is several tens of times higher. Therefore, despite the limited market size, it still attracts a large number of LED manufacturers to invest in development. Major UVLED manufacturers include Japanese manufacturers Nichia and DOWA; Korean manufacturers Seoul Semiconductor and LG Innotek; Taiwanese manufacturers Jingdian, Guangqi and R&D, and European and American manufacturers HexaTech and CrystalIS. In terms of mainland manufacturers, in June, Hongli Optoelectronics and Qingdao Jiesheng reached a strategic cooperation agreement, and the two sides will jointly develop deep ultraviolet UV-LED (wavelength between 260-320nm) market in the future. UVLED product specifications can be divided into three categories according to wavelength: UV-A (long-wave ultraviolet, 320~400nm), UV-B (medium-wave ultraviolet 280~320nm) and UV-C (short-wave ultraviolet 280nm), among which UV-A has the largest Market share, up to 90 market share. Wu Yingjie said that the largest application in the UV-A market is UV curing, which accounts for more than half of the market applications, including ink printing, resin curing and the growing 3D printing. In addition, UV-A is also imported into commercial lighting to make white clothing look whiter. While the global printed circuit board (PCB) exposure machine still uses the traditional mercury lamp light source, under the consideration of energy saving and technology improvement, UVLED has gradually entered the secondary replacement market, and the market potential is quite huge in the future.
High Precision Machining is defined as a process of changing the dimensions or the performance of workpiece with machining facilities.
According to the temperature of the workpiece while in machining, high precision machining can be divided into cold working and hot working. Usually, machining under indoor temperature, and won't change cause chemical change or phisical phase change is named cold working. On the other hand, if under temperature, higher or lower than room temperature, which will lead to chemical changes or phase changes, it will be called as hot working.
For high precision machining, the machining tolerance can be up to 0.0001-0.001mm, the surface finish Ra can be 0.02-0.1um.
Machining precision is to describe the actual geometrical parameter of the part after machining, such as the size, the form, the position, comparing with the theoretical geometry parameter. The difference from these two parameters is the machining tolerance. The number of the difference show the machining accuracy, the bigger, the lower of the machining precision, the smaller, the higher machining precision.
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