مقایسه سرعت آرمیچر های کوچک و بزرگ با تاکومتر یا دورسنج

#dc_motor_life_hacks #tools_diy #Tachometer A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine.[1] The device usually displays the revolutions per minute (RPM) on a calibrated analogue dial, but digital displays are increasingly common. The word comes from Greek τάχος (táchos "speed") and μέτρον (métron "measure"). Essentially the words tachometer and speedometer have identical meaning: a device that measures speed. It is by arbitrary convention that in the automotive world one is used for engine revolutions and the other for vehicle speed. In formal engineering nomenclature, more precise terms are used to distinguish the two. #persianhandyman #دورسنج #سی_ان_سی #ابزارآلات #diy #diytools #diytoolshomemade #homemadetool #milwaukeerealestate #millerwelder #dewalt فقط فنی کار ها ببینند What is shaft support? Shaft supports are machine components that position the shafts on which linear bushings or bearings slide. The shafts are typically installed in pairs and, when used with bearings or bushings, allow a carriage or table to slide back and forth. Hello and welcome to persianhandyman !! In this video I will show how to make amazing useful diy tools ideas. this homemade tool ideas are fairly easy to make and are very useful. Please let me know if you have any questions or suggestions in the comments below. Please consider liking, sharing, and subscribing if you enjoyed the video so you don't miss more awesome videos. Thanks for watching and for your love and support . 👍 بخش بندی : شروع 00:00 بحث و گفتگو 00:28 👇 لینک کانال یوتوب    / @persianhandyman-~-~~-~~-~-~~-~~-~-~~-~~-~...   🌹👇 پیچ اینستاگرام 🌹👇  / persian_handyman-~-~~-~~-~-~~-~~-~-~~-~~-~...   🌹👇 کانال آپارات 🌹👇https://www.aparat.com/wikipersia-~-~...