The engine is the heart of the car. Regular maintenance can increase engine reliability, extend engine life, and reduce operating costs. For a long time, most domestic engine users have not formed good engine maintenance habits, or they have not gone to regular maintenance shops to maintain or buy oil products for maintenance. These behaviors cause great damage to the performance and life of the engine. At the beginning of 2014, Guangxi Yuchai Machinery Co., Ltd. (abbreviated as Yuchai) launched an activity to guide the user's engine maintenance and maintenance habits - "to support the maintenance of repairs," hoping to enhance the user's awareness of engine maintenance through this activity. The majority of Yuchai users bring real benefits. The need for product transformation and upgrading At present, the problem of smog across the country is getting more and more serious. The state attaches great importance to this issue. Prior to this, Premier Li Keqiang explicitly stated in the “Government Work Report†that it will supply four standard diesel fuels nationwide in 2014 and accelerate implementation in various countries. Four standard processes. On April 23, the Industrial Policy Department of the Ministry of Industry and Information Technology issued the “Announcement No. 27 of the Ministry of Industry and Information Technology of the People's Republic of China†stipulating that on December 31, 2014 the repeal of diesel vehicles applicable to the State's third-stage automobile emission standard (referred to as Guosan) The product "Announcement", starting on January 1, 2015, will not be sold by the three diesel vehicles. The three national standards for diesel vehicles have been upgraded to the national standard. Engine products have been upgraded, and engine maintenance requirements are even higher. In this context, Yuchai decided to launch a “maintenance and maintenance†campaign and promote green development. According to Zhou Huixiong, deputy director of the Yuchai Customer Service Center, Yuchai had the idea of ​​launching the event two years ago, but the conditions were not mature at the time. At present, Yuchai is faced with the opportunity of product transformation and upgrading of Guosanshengguo IV. At the same time, other companies in the engine industry are also planning to launch similar activities. The launch of Yuchai’s “raise for maintenance†activity is just right now. Zhou Huixiong said that the “recruitment and maintenance†campaign has two purposes: first, guide users to form a correct engine maintenance awareness and develop good maintenance habits; second, improve the pit stop maintenance rate of each service station through activities. Establish a bond between users and service stations. The user participates in the “Renovation and Maintenance†campaign, which improves the performance and reliability of the engine and reduces the cost of using the engine in the long run. "The 'Yandaixiu' campaign not only can fundamentally improve users' understanding of the engine, but also can promote the switch of energy-saving and environmentally-friendly engines." Song Yibin, director of the Yuchai Sichuan office told the reporter, "In addition, the regular service station at Yuchai Carry out maintenance, with the support of professional and technical personnel, to better eliminate engine failures and potential problems." "3+2>5" user feedback is good It is understood that the "Yifuxiu" activity is mainly aimed at vehicle users (excluding transit users) who purchased engines for Yuchai vehicles from January 1, 2014 to December 31, 2014. The deadline for the event is December 2015. 31st. For those users who purchased the Yuchai diesel engine during this period, after the first maintenance, the user regularly uses the Yuchai service station to use the Yuchai lubricants and Yuchai original parts for engine maintenance three times to enjoy Yuchai and Service stations share the cost of maintenance once, referred to as "3+2". Yuchai hopes that users can get 3+2>5 benefits through the "recruitment and repair" 3+2 campaign. Yuchai Sichuan office service manager Gong told reporters that the office through the work of e-mail, QQ group and mobile phone text messages to communicate to the subordinate service stations, requiring each service station during the event to hang "Yuchai" to support generation repair '3+2 feedback on customer activities' banner, and to promote the activities of the user's maintenance policy and dissemination of Yuchai's "maintenance and maintenance" maintenance activities promotional materials. The reporter learned from the Yuchai Customer Service Center that a lot of Yuchai users participated in this activity of “cultivating and repairing for generationsâ€. They believe that the level of technicians is high and the quality of oil products is guaranteed, and users can get real benefits. At the same time, the users also expressed to the service station that they hope that the staff can continue to maintain such a high level of service and high-quality products. It is expected that Yuchai can carry out more activities that will benefit the users. Zhou Huixiong said that the "recruitment for generations" program was launched from January 1 this year. It has actually been implemented for more than two months. Judging from the current situation, Yuchai users have gradually participated. Yuchai paid a lot of costs for this event, and the overall activity status is still better than expected. In addition, the interaction of “recruitment for generations and maintenance†has played a significant role in the promotion of Yuchai’s service stations. The enthusiasm of the staff has been significantly improved, and the connection between users and Yuchai service stations has been enhanced.
"Gravity Die Casting. A permanent mould casting process, where the molten metal is poured from a vessle of ladle into the mould, and cavity fills with no force other than gravity, in a similar manner to the production of sand castings, although filling cn be controlled by tilting the die."
Sometimes referred to as Permanent Mould, GDC is a repeatable casting process used for non-ferrous alloy parts, typically aluminium, Zinc and Copper Base alloys.
The process differs from HPDC in that Gravity- rather than high pressure- is used to fill the mould with the liquid alloy.
GDC is suited to medium to high volumes products and typically parts are of a heavier sections than HPDC, but thinner sections than sand casting.
There are three key stages in the process.
Advantages
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Gravity Die Casting