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In this video I introduce you to my new OPTIdrill DQ14 table drilling machine. I explain to you why I decided to buy this machine. I also address the problem areas of this machine and show you how I improved it using my example. A slightly improved and affordable machine that can certainly meet the needs of an ambitious DIY enthusiast. For more details on the function of a frequency converter, there are separate videos on my channel: Frequency converter T13 750 watts: http://www.homeworkshop.ch/werkstattt... Installation of frequency converter: http