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In his State of the Union Address speech last month, Obama proposed that by 2015 the United States must become the world’s first country with more than one million electric vehicles. David Sandalo, assistant secretary of international affairs and domestic policy of the US Department of Energy, said that this goal "is to reduce the United States' important component of the external oil dependency strategy, which will ensure that the U.S. has a leading position in the electric vehicle production industry. ".
The report said that in order to achieve this goal, the Obama administration is ready to propose a new strategy with three parts: First, convert the current tax deduction policy for purchasing electric vehicle owners to $7,500 into a direct car reduction so that the owner can Buying a car directly enjoys price reductions without having to wait for tax refunds; second, increasing R&D investment in electric vehicle related technologies in the fiscal year 2012 budget; and third, rewarding communities supporting electric vehicle development to encourage community investment Electric vehicle infrastructure construction.
The report said that although Obama's goal is "ambitious", but in the case of strong measures, this goal can be achieved. The report also pointed out that although the entire industry's production capacity is not a constraint to achieve this goal, it still needs to take additional measures to further reduce costs and stimulate consumer demand.
Stamping is an efficient production method. Using compound molds, especially multi-position progressive molds, it is possible to complete multiple stamping processes on one press (single station or multi-station) to achieve unwinding and straightening with strips. Flat, blanking, automatic production of forming and finishing. With high production efficiency, good working conditions and low production costs, it can produce hundreds of pieces per minute. Compared with other methods of mechanical processing and plastic processing, stamping has many unique advantages both technically and economically. The main performance is as follows.
(1) The stamping process has high production efficiency, convenient operation and easy realization of mechanization and automation. This is because stamping is accomplished by means of die and punching equipment. The number of strokes of ordinary presses can reach several tens of times per minute, and high-speed pressure can reach hundreds or even thousands of times per minute, and each press stroke is You may get a punch.
(2) Since the die guarantees the size and shape accuracy of the stamping part during stamping, and generally does not destroy the surface quality of the stamping part, the life of the die is generally longer, so the stamping quality is stable, the interchangeability is good, and it has [the same" Characteristics.
(3) Stamping can process parts with a wide range of sizes and shapes, such as stopwatches as small as clocks, as large as automobile longitudinal beams, coverings, etc., plus the cold deformation hardening effect of materials during stamping, the strength of stamping and The stiffness is high.
(4) Stamping generally does not generate scraps, material consumption is small, and no other heating equipment is required. Therefore, it is a saving material and energy-saving processing method. The cost of stamping parts is low.
Because stamping has such superiority, stamping processing has a wide range of applications in various fields of the national economy. For example, there are stamping and processing in aerospace, aviation, military, machinery, agricultural machinery, electronics, information, railways, post and telecommunications, transportation, chemicals, Medical Equipment, household appliances and light industry. Not only is it used by the entire industry, but everyone has direct contact with stamping products. There are many large, medium and small stampings on airplanes, trains, cars and tractors. The car body, frame and rim are all stamped out. According to relevant survey statistics, 80% of bicycles, sewing machines and watches are stamping parts; 90% of televisions, tape recorders and cameras are stamping parts; there are food metal shells, steel refining boilers, enamel bowls and Stainless Steel cutlery. All are stamping products using molds; even the hardware of the computer lacks stamping parts.
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