Apr 28 2020 · Say you want 1000 fpm belt grinder speed. the grinding belt pulley is 4"D so the grinder shaft needs to turn a 1000rpm. so the motor drive needs to be 1 3.4 for the 2 pole motor which increases the torque to the ginder shaft by a factor of 3.4 so motor torque of 3.04 times pulley ratio of 3.4 equals torque to the grinder shaft of 10.3ftlbs
Get Price2. 3 phase 2HP 4 pole induction motor. Plenty of power and decent low speed torque and I have a couple extra VFDs in the machine build cabinet that would speed control it just fine. It still has some issue with low speed torque but I think just two speed ranges would be all the sheave stack I would need. High range and low range.
Get PriceAug 14 2016 · I m in the process of building a variable speed 2x72 grinder. As I have calculated it so far my grinder should have a top speed of around 6800 SFPM. I m currently building the electronic motor controller (my other hobby and day job is electronics) and as it is currently designed I will be able to adjust belt speeds in increments of 50 SFPM.
Get PriceNov 18 2019 · These are all speeds based on the belt speed. By multiplying the circumference of the drive wheel (in meters) to the rotations the motor makes per second you will get the belt speed. To be able to reach the higher belt speeds I chose a 5-inch drive wheel together with a 3000 RPM motor. Machine specs. Motor 2 2kW 3000 RPM. VFD 2 2KW. Belt size
Get PriceNov 29 2009 · I won t opine about the virtue of variable speed in a belt grinder but I have very good experience with a VFD in my home shop. My single 3 HP VFD bought from a surplus dealer several decades ago is used to drive a geared-head drilling machine with integral 3-phase motor on which it would have been impossible to change to a DC motor two lathes a 26" bandsaw a bench grinder a
Get Price• Router Speed Control • Fitting a belt Pulley • Using a Variable Frequency Drive I will discuss each of these methods of slowing down your bench grinder. Router Speed Control. If the motor on your bench grinder is under 1HP you should be able to control the speed with a router speed control.
Get PriceFeb 04 2015 · The WT-90 grinder is approx. 3 400the KMG with the variable speed and accessories runs approx. 2 000. Do the math. 2 000 our conversion kit
Get PriceBelt grinder motor choice and speed control The Projects Forum Craftsman Variable Speed 8 Bench Grinder Power Up Craftsman Professional-Variable Speed 8" Bench Grinder (21162)-21162- Get a Well-Equipped Workshop or Garage with the Variable Speed 8 Bench Grinder from
Get PriceAn electric motor is an electromechanical device that converts electrical energy into mechanical energy. Most often the movement is rotary with mechanical energy characterized by rotational speed and motor torque. This buying guide will only cover this type of motor. Linear motors will be covered in another buying guide. It is estimated that electric motor
Get Price2009-11-29 · belt grinder motor choice and speed control reply to thread. discussion in the i mentioned in my op i will be using this tool for both metal and wood. there is no fundamental difference between a belt grinder and belt sander -- they both move an abrasive belt
Get PriceFeb 10 2016 · I read a lot of links on motors. In my opinionthe 1.5 hp motor works very well1 hp seemed too small from my research. My motor is a 1.5 hp continuous duty agricultural motor from Harbor Freight. I chose this motor over the Harbor Freight 2 hp motorbecause the 2 hp wasn t rated for continuous duty and the reviews were poor.
Get PriceKMG-10 Grinder with 10″ contact wheel. Platen attachment. Work rest. 2 hp variable speed motor and VFD or optional 3 hp motor and VFD. Pulley for motor. Pulley for grinder. Drive belt. Base plate. Mounting bracket for VFD and electrical hardware. Uses 2″ X 72″ Belts. The 2 hp motor and VFD will run on standard 110 or 220VAC.
Get PriceThey own a wide array of products found in different sectors with each having a lot of praises from users. Their Makita Die Grinder is one of many grinder units they possess and it is regarded as their best product yet. This die grinder makes use of a powerful motor that delivers an optimum speed
Get PriceUse a Treadmill DC Drive Motor and PWM Speed Controller for Powering Tools Power tools such as Metal cutting mills and lathes Drill presses bandsaws sanders and more may require .5HP to 2HP motors with the ability to fine tune the speed while maintaining torque incidentally most Treadmills use a 80-260 VDC motor wit
Get PriceA 1/2 hp motor that produces more than 1 700 RPMs makes this RIKON Power Tools 80-805 8" Slow Speed Bench Grinder a more practical choice for those who never used a bench grinder before. Though it moves at a relatively fast speed this slow speed bench grinder has a unique design that actually reduces the amount of heat produced by the motor
Get PriceThe Direct Drive Maxigrinder The professionals choice belt grinder. 2Hp direct drive 240v single phase will run from conventional hhld supply Invertek Optidrive speed control range from 0–2800 RPM with full power at 1400-2800 power is reduced proportionally relative to the speed
Get PriceKMG-PL Grinder with platen attachment. Work rest. 2 hp variable speed motor and VFD or optional 3 hp motor and VFD. Pulley for motor. Pulley for grinder. Drive belt. Base plate. Mounting bracket for VFD and electrical hardware. Uses 2″ X 72″ Belts. The 2 hp motor
Get PriceComplete with 1-1/2 HP 220 volt 7 amps AC motor w/ Variable Speed Control BoxNema 12 HD arm Plain or serrated rubber 8" x 2" wheel with bearing hub and flanges
Get PriceDesigned to save you time in the kitchen the ALTRA meat grinder has a heavy-duty 2000W copper motor that guarantees a long-lasting fast and efficient performance. Simple to use the grinder has an easy-to-access 3-way switch that includes an On/Off button and a reversible button if the machine jams.
Get PriceAn electric motor is an electromechanical device that converts electrical energy into mechanical energy. Most often the movement is rotary with mechanical energy characterized by rotational speed and motor torque. This buying guide will only cover this type of motor. Linear motors will be covered in another buying guide. It is estimated that electric motor
Get PriceFeb 06 2009 · I want to build a 2" by 72" belt grinder. I want a maximum speed of 5000 fpm. I want a VFD. It looks like I can achieve this with either a 1725 RPM motor sped way up for 5000 fpm or a 3450 RPM motor which would run at around 5000 fpm at 60 Hz and would have to
Get PriceDesigned to save you time in the kitchen the ALTRA meat grinder has a heavy-duty 2000W copper motor that guarantees a long-lasting fast and efficient performance. Simple to use the grinder has
Get PriceThe JET J-4002 is a beginner-friendly belt grinder. It uses 2" by 42" belt which is the ideal size for the newcomers. It comes with a less powerful motor than our top pick that makes this grinder more suitable for the beginners.
Get Price