Here we are standing in front of an Okuma 560-VE, the mill that took the machining world by storm, offering unparalleled accuracy, rigidity, and capacity in a vertical machining center.
No, it's not skim milk! All that flood coolant keeps the cutter from heating up and bonding pieces of aluminum or steel to its teeth. In the upper left corner of the table is the tool probe, which is used to set the offset length of every end mill, drill bit, and reamer used in Milly. We are using the probe to tell Milly how long each tool extends from the gage line of the spindle.
Mitsui, Okamoto, Parker Majestic--These are the best surface grinders in the world. Need something flat and to close tolerances? Dial down .0001 and the Mitsui will do it. Bear in mind, the average diameter of a human hair is .004.--40 times larger than .0001.
Electrical discharge machining employs an electrode made out of copper to machine geometric shapes that are impossible to machine directly with the mill. For example, a square corner can't be made with a round end mill, but it can be with an EDM. A positive of the shape is machined into an electrode that is then used to machine the desired shape. The EDM does this by bringing the electrode in close enough for sparks to occur between it and the work piece thousands of times per second.
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