"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.
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Dongbei announced that its consolidated revenue in March was 750 million yuan, a 25-year increase from last month's revenue, and a 7-year increase from the same period last year. The first quarter revenue was 1.912 billion yuan, a growth of about 25. In the quarter, Dongbei said that the high-color gamut LED backlight products are well received by the customer market, and the demand for lighting and backlight products continues to rise. It is estimated that there are more than two-digit quarterly growth. Dongbei estimates that this year is the year of LED lighting taking off.
Dongbei said that the combined revenue in March was 750 million yuan, a 25-year increase from last month's revenue, and a year-on-year growth. 7. As the working days in March returned to normal, the customer orders after the year were more timely. Goods, in terms of lighting products, indoor bulbs continue to be busy; large-size backlight products, in addition to European and American demand, the mainland May 1 stocking tide has also started, the demand for TV backlight products increased simultaneously, plus small size action Communication products also have orders from international manufacturers, so orders for lighting and backlight products have increased. The overall revenue in March increased by 25.
As for the overall first quarter revenue totaled 1.915 billion yuan, in addition to lighting products favored by customers in Europe and the United States market, TV backlight products are also ahead of the expected time to lead the tide of stocking, so the lighting and backlight dual spindle products have positive incentives Next, the revenue grew by about 25. Compared with the previous quarter, at the same time, due to the continuous enthusiasm of customers, the 51st stocking tide of mainland color power plants has also started, and the demand for lighting and backlight products continues to rise. It is estimated that there will be two results in the second quarter. The growth of the number.
Dongbei said that this year's TV size mainstream models from 32 to 40 ~ 42, plus more than 50 ultra-high resolution (UHD / 4KTV) demand has also doubled, the average amount of LED particles is significantly increased compared to the average conventional model, let LED Backlight demand was detonated in advance in the first quarter. In addition, this year's mainstream of backlight products, in addition to emphasis on size, thinness and high image resolution, while enhancing the performance of ultra-high color gamut (WCG, WideColorGamut), through the high color gamut LED backlight products can make the picture even more Lively and vivid, Dongbei high-performance color gamut backlight products have entered the international big factory since the end of last year, and the order volume is increasing quarter by quarter.
Dongbei said that 2014 is definitely a year of great take-off for LED lighting. In the past two years, LED lighting has undergone tremendous price test. By this year, consumers can finally replace LED bulbs at very cheap prices. In addition, countries support the ban on traditional incandescent bulbs and energy-efficient lighting products certified by ENERGY STAR. Providing price subsidies directly to end consumers will all contribute to the penetration of LED lighting products in the next 24 months.
Gravity Die Casting