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Right, However couldn't help myself but to add that dividing the Pully ratio from the speed would simplify the problem as 120 ÷ 40 = 3 & 1420÷3 = 473.33
I work in the pulley industry, this is the easiest way of calculating RPM's. The video is the hard way to do it. Divide pulley sizes take that number and divide it by driven RPM. Easy peasy.
Hi, I just watched a video you posted on pulley size calculation. thank you for sharing. If you would, I need guidance. I'm helping someone install a DIY microhydro system. We're using a multiple pulley system to achieve required rpm at alternator. Three shafts and four pulleys. The main driver needs to spin at 65 rpm to achieve 1300rpm at alternator pulley. The higher the electric load on the alternator the more resistance and it slows the system down. My question is, does installing a larger driver pulley help overcome the braking force that the alternator exerts when under load? or is my only option increasing force/power at driver pulley? Would you mind if I sent you an email regarding the problem I'm facing? I understand if you don't reply. Thank you anyway
We are manufacturing a small power hammer for work shop Motor pulley 6"" RPM. 1440 Driven requirement 100 RPM If I want D2. 1440× 6" ---------------. = 84" approx. 100 ie. It means 7' dia pulley is required ? Can you help me
Mere paas ek pulley type air compressor hai, jis se tyre me hawa bharatha. Isko 1hp wala (1500 rpm) AC motor hai, isko DC motor pe convert karke solar se chalana cahta hu, kitne volt(V), watts(W) ka DC motor chahiye, please guide me.
I want to convert sprocket to sprocket with chain to pulley to pulley with cog belt, is there a conversion calculator anywhere that I can input the chain info & get the equivalent ratio in a pulley setup?
WOW, I almost asked if the RPM on a motor is from the shaft or the pulley on it, then realized the motor with or without the pulley is the same RPM regardless of how large the pulley is, and that the difference comes from the next pulley in line... Figured I'd explain my ignorance incase anyone else asks the same question without logically thinking about it first... Also, awesome vid and explanation, thank you!
Yes you can get the value in inch or mm both. For example if you will feed the value in inches you will get another pulley's diameter in inches and same in mm too By the way thanks for connecting us. Please stay connected by subscribing for more informative videos.
Thanks for connecting us. If you want to slow the big wheel (driven) you have to slow the Motor speed ( driver wheel) you have two options 1. reduce the diameter of driver wheel. 2. Connect motor through VFD and control the speed as you desire. Write us if you have any questions. Thanks.
@@erpawan6886 I need Torque but Speed slow… Can you give me your whats app Number… I’ll send you The pic of machine …. Then You’ll know what I want to say
