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A wire-cut EDM machine using the CNC drawing plotter and optical line follower techniques was produced in 1974. Dulebohn later used the same plotter CNC program to directly control the EDM machine, and the first CNC EDM machine was produced in 1976. [10] Commercial wire EDM capability and use has advanced substantially during recent decades. [11]
The Spanish Prisoner scam—and its modern variant, the advance-fee scam or "Nigerian letter scam"—involves enlisting the mark to aid in retrieving some stolen money from its hiding place. The victim sometimes believes they can cheat the con artists out of their money, but anyone trying this has already fallen for the essential con by ...
Typical currents range from 0.1 amp per square mm to 5 amps per square mm. Thus, for a small plunge cut of a 1 by 1 mm tool with a slow cut, only 0.1 amps would be needed. However, for a higher feed rate over a larger area, more current would be used, just like any machining process—removing more material faster takes more power.
For scams conducted via written communication, baiters may answer scam emails using throwaway email accounts, pretending to be receptive to scammers' offers. [4]Popular methods of accomplishing the first objective are to ask scammers to fill out lengthy questionnaires; [5] to bait scammers into taking long trips; to encourage the use of poorly made props or inappropriate English-language ...
The kiosks, known as bitcoin teller machines (BTM) and often found in places like convenience stores, bars and gas stations, resemble conventional ATMs. But instead of letting you withdraw cash ...
As with other machine tools, CNC (computer numerical control) technology was applied to plasma cutting machines in the late 1980s into the 1990s, giving plasma cutting machines greater flexibility to cut diverse shapes "on demand" based on a set of instructions that were programmed into the machine's numerical control. [2]
While the toy may have gained notoriety in the '90s, the classic baking machine is worth a ton today. Many have sold their set on eBay and have earned as much as $300 for it.
For machining with deep hole drilling processes or processes associated with deep hole drilling, deep hole drilling machines are mainly used as standard (multi-purpose) or special machines. Gun drills are an archetypal example. Often single-lip deep hole drills are used on machining centres for the production of holes with smaller drilling ...
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