On July 24th, the first plenary meeting of the joint meeting of the bureau (company), enterprise work symposium and youth work of the large enterprises in the first half of 2017 was held at China National Heavy Duty Truck Group. Wang Youjin, deputy secretary of the Jinan Municipal Committee of the Communist Youth League, Jing Xudong, minister of the Ministry of Industry and Agriculture of the Jinan Municipal Committee of the Communist Youth League, and the heads of various bureaus and company committees of Jinan City attended the meeting.
At the meeting, the China National Heavy Duty Truck Group Committee and the Youth League Committee of the Yellow River Road and Bridge Company and the Youth League Committee of Tianyue Crystal Materials Co., Ltd. made a typical speech as representatives of outstanding enterprises. Cao Jian, deputy secretary of the China National Heavy Duty Truck Group, introduced the two cores of China National Heavy Duty Truck Youth League around “enterprise development needs†and “young growth needsâ€, with “innovation and upgrading†as the overall traction, and efforts to implement “advantages and innovations first†Strategy, comprehensively enhance the youth competitiveness of youth groups, build a youthful growth into a "benign ecological circle", and achieve good work experience in the three transformations of "group to grassroots", "theory to practice", and "tradition to innovation". Received unanimous recognition and appreciation from the participants.
On behalf of the Communist Youth League, the Jinan Municipal Committee gave affirmation to the outstanding enterprise group organization represented by the China National Heavy Duty Truck Group Youth League Committee, combined with its own advantages, continuous improvement and innovation, and confirmed the solid performance and useful experience, and made the specific deployment of the next stage of the Communist Youth League development. Important speech. He first informed the great situation of economic and social development in the first half of Jinan, and asked the organizations at all levels to deeply understand the new requirements of the provincial party congress for the development of the provincial capital and the great historical significance of Jinan as the pioneer zone for the transformation of old and new kinetic energy. Opportunities, work together, write a new chapter, and make clear requirements for the enterprise Communist Youth League to work in five aspects: old and new kinetic energy conversion, enterprise safety production, service national civilized city creation, service youth development, and group self-construction. detailed arrangement. He stressed that 2017 is the year of the "turning, transformation, and key" of the Jinan Communist Youth League. As an important work front, the corporate Communist Youth League must always "do it in the forefront and take the lead" with full enthusiasm and motivation to contribute to the development of the provincial youth. Should have strength.
During the conference, all participants also visited the China National Heavy Duty Truck Museum and experienced the extraordinary development history and corporate culture construction achievements of China National Heavy Duty Truck Group for more than 60 years.
Zinc Die Casting Products are a metal forming process in which molten zinc metal is put under pressure and injected into a die.
Zinc are alloys that have high strength and hardness, outstanding corrosion resistance,full recyclability, mechanical properties, high thermal and electrical conductivity and strength at high temperatures. Zinc alloys possess high dimensional stability for complex shapes and excellent thin walls. The cost of raw material is low.
Zinc Die Casting Products are efficient and economical and offers a wide range of durable shapes and components. Little or no machining is required after a part is die casted, because the process provides very close tolerances for even complex shapes. Zinc Die Castings can also be easily plated or finished. Zinc Die Casting Products are dimensionally stable and heat resistant.
Although this alloy exhibits excellent casting characteristics, it has seen limited use by die casters. It does however possess some interesting characteristics that may be of assistance to designers. Its creep performance is rated higher than the other zinc alloys and it maintains higher strength and hardness levels after long-term aging.
The behavior of zinc alloys under stress is non-linear and time-temperature dependent on strain-rate, i.e. the ratio of stress to strain is not constant, even at low stresses, and varies with time resulting in continuous plastic flow under constant applied load. Designers of structural components should be aware of the creep limitations of zinc alloys, which do not have a single value for elastic modulus or yield strength. Yield strength (allowable stress) under sustained loading is dependent on the allowable design strain (% elongation) over the required service life. Working values for the elastic modulus and yield strength are important for design purposes. Standard engineering formulae used for calculating cross-sections of elastic materials must therefore be used with some caution.
This alloy exhibits excellent damping capacity and vibration attenuation in comparison with Aluminum Die Casting alloys.
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