How to Equipment Magnesium 908
De BISAWiki
Magnesium computers to buy online is used in production portable computers structures, video cameras, digital cameras, PDAs and other consumer electronics products and services due to the high strength to weight ratio. When magnesium is alloyed with aluminum, the resultant material is powerful and very light, and easily machinable.
The principle concern in machining magnesium metal may be the danger of fire ignition when dry cutting. Fire may occur if the melting point of the mix (400-600 degrees Celsius) is exceeded during machining. The small chips and fine dust produced throughout cutting may also be highly flammable and present a serious fire risk if not correctly managed.
There are several things to note when machining magnesium:
Firstly, make use of a lower cutting speed when comparing to cutting metal. The temperature goes up with an upsurge in cutting speed and also smaller undeformed chip thickness. Quite simply, the slower the machining speed and the more expensive the chips, the lower the temperature is going to be. As a result of this reason, some companies have changed woodworking tools for machining magnesium so as to achieve larger chips and lower fire hazard.The cutting tools used should have aid and clearance angles that are sufficiently large to avoid un-necessary cutting tool-workpiece friction, ergo lowering the heat generated through the cutting process.
Second, keep the machining center clean. Cleaning the machining centers regularly and holding the magnesium chips properly are essential aspects of machining magnesium. Keep a jar of cast iron chips close by when machining magnesium, If fire occurs, smother the fire with the cast iron chips.
Additionally, if coolants are necessary for high speed machining, don't use water-based lubricants. Instead use a light mineral oil, or even a water-soluble cutting fluid including Castrol Hysol MG specially formulated for machining magnesium. Some companies in Japan use semi-dry machining with a system.
The next point is always to check the temperature during machining. Experiments were carried out using thermocouples mounted in to the workpiece to observe the temperature during device. Dry cutting of magnesium alloy thin walls was accomplished using cutting velocity of 440m/min for roughing and 628m/min for fine finishing.
Despite the fire risks, as competition from overseas low-cost production bases intensifies, and magnesium becomes increasingly found in electronics products, most machining job shops would likely find machining of magnesium a distinct segment worth pursuing.
