Precision Articles

1). How To Use Diamond Tool To Cut Steel In Micro Machining? By : cyberryo
The diamond tool is commonly used in micro-machining as it can withstand the micro hardening of the workpiece surface during micro-machining. This micro-hardening creates enough resistance to break the tool bit easily in micro milling, but not a diamond tool. Micro-machining using diamond tool could be performed at high speeds and generally fine speeds to produce good surface finish such as mirror surfaces and high dimensional accuracy in non-ferrous alloys and abrasive non-metallic materials.
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2). Why Does The Tool Bit Break Easily In Micro Milling? By : cyberryo
Micro milling is one of the three common micro cutting techniques used in micro machining. In micro milling, the tool bit with diameter as small as 0.1mm is held in a high speed spindle rotating at 20,000 to 150,000 rpm, and used to mill steel, brass and aluminum with depth of cut at about 30 microns and feed rates of 120mm/m to 240mm/m to provide surface quality finishes as good as 0.
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3). Increasing Applications of Micro Bubbles By : cyberryo
There have been a lot of research studies on micro bubbles in recent years. Micro bubbles are miniature gas bubbles of less than 50 microns diameter in water. The micro bubbles, which mostly contain oxygen or air, can remain suspended in the water for an extended period. Gradually, the gas within the micro bubbles dissolves into the water and the bubbles disappear.
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4). MBA and Tertiary Education Programs in China By : cyberryo
With China becoming the 6th largest economy in 2004 and likely to rank 4th in 2005, this is likely to fuel further anxieties over the impact of China`s rising economic might for the world economic leaders. But for company executives and aspiring young entrepreneurs, it has become imperative to understand China so as to explore the increasing business opportunities in China.
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5). How To Machine Magnesium? By : cyberryo
Magnesium has been used in manufacturing notebook computer frames, video cameras, digital cameras, PDAs and other consumer electronics products because of its high strength to weight ratio. When magnesium is alloyed with aluminum, the resultant material is very light and strong, and easily machinable. The main concern in machining magnesium alloy is the danger of fire ignition when dry cutting.
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6). What Enables You To Flip Your Cell Phone Open? By : cyberryo
The latest Nokia N90 and Motorola RAZR V3 clamshell mobile cell phones all incorporate sophisticated hinges which allow you to flip open your cell phones smartly amongst admiring onlookers. Another winner is the hinge assembly in Orange SPV M5000 3G PDA cell phone device which allows the screen half of the cell phone to swivel 180 degrees and close to allow simultaneous tablet mode and full phone functionality.
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