vfd motors for kmg clone

Protecting a VFD? - Practical Machinist

I don't have much experience with VFDs. I thought that the screen would give me an indication of the speed that I am running the motor. If it does not, I don't need it. The grinder would be used at full speed or slowed down for fine work. I forgot to mention that it is a 3450 RPM motor. The grinder that I will use this on is a KMG clone that I ...

Spindle vibration on a BP clone with VFD speed control

Spindle vibration on a BP clone with VFD speed control. Just finished conversion of a Seiki BP clone by adding new Baldor 3 hp Vector duty motor, new Woods single A belt taper lock pulleys, new belt. I have a fairly strong vibration 60 to 65 motor Hz, about 1700 to 1800 motor rpm. I have the spindle speed at 45% of motor speed, with the pulleys ...

AC vs DC Motors for Variable Speed Belt Grinders? - Tools ...

Neither have enough power for large blades. I'll be replacing the 2HP VFD with a 3HP at some point. In the long run the AC motor will probably out last a DC motor. just make sure you mount the VFD out of the dust range. the metal dust will short it out. other than that 1 to 3 phase is the way to go. Link to post.

Basic set-up procedure for a Variable speed KMG

diagram on the motor for the low voltage connection. Connect with a wire nut: T4,T5 and T6 T1, T7 and Red from VFD T2, T8 and White from VFD T3, T9 and Black from VFD There is a green grounding lug located inside the junction box as seen in the photo to the left. Base Plate: The KMG-SUBP can be fastened to a table or stand

KMG-TX - Beaumont Metal Works

Runs on 110V or 220V AC — comes finished and pre-wired, nearly ready to plug in and GRIND! (you will need to connect the pre-wired motor cord to the VFD) We took everything we've learned from 20 years of making the industry-leading Knife-maker's belt grinder, and put it into the KMG-TX Tilting Extreme! Everything you love about classic ...

KMG Motor and VFD selections and requirements. - Beginners ...

I bought a KMG a month ago and am ready to by a motor and VFD. You might want to consider removing the pillow blocks and their supports and mount the motor there to make the grinder a direct drive. This helps with a smoother running machine with less loss due to friction and transmission.

2x72 belt grinder for knife making - PlasmaSpider.com

2x72 belt grinder for knife making. A friend and I both started making knives and quickly found that a regular belt sander and a pedestal grinder can only do so much. After doing a little research we found that the Cadillac belt grinder for knife making was the Beaumont KMG. The only problem is that is also came with a price tag to match.

2x72 Belt Grinder Parts | FUCINA BLACKSMITH FORGES

2x72 Belt Grinder Motor 110V/60Hz 2.25Hp with VFD - 4" Drive Wheel & US Plug Out of stock SALE; Lot of 2pcs 2x72 Belt Grinder Platen Glass Liner for Knife Grinders 2" x 8" $68.89 $57.89 SALE; 2x72 Belt Grinder 230V/50Hz 2.25Hp Motor with VFD and Electronic Tracking Control $2,580.00 $1,548.89 SALE

What is a Variable Frequency Drive? | VFDs.com

A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor. Other names for a VFD are variable speed drive, adjustable speed drive, adjustable frequency drive, AC drive, microdrive, and inverter.

MotorGuard Installation, Operation & Maintenance - TCI, LLC

conditioned power to motor loads driven by PWM drives at a variety of lead lengths. The MotorGuard is available for 460/480 volt and 575/600 volt systems. The MotorGuard is a passive filter connected in series with the output terminals of the variable frequency drive. It is designed to remove the carrier frequency distortion from the output voltage

My 2x48" Belt Grinder - its a beast! - The Practical Engineer

Beefy motor. Simple to build. Usable for various materials. Having a list like this gives me a starting point for the design process. The small footprint made me decide to go with a 2x48" belt design and the wish for a beefy motor and suitable for various material made me decide to go with a 3 phase motor on a VFD.

DIY in progress 3 HP 2x72 belt grinder / knife ... - reddit

Motor is a 3 HP 230/460V 3PH TEFC, no pics yet but I have an Allen bradley 1305 VFD with a remote mount controller that will take 240 single phase in and spit out 3 phase to feed this machine. Still need to find a nice NEMA 12 sealed cabinet to put the main body of the VFD into.

KMG Clone | KnifeDogs.com Forums

Thanks Stabber, It's under powered, but the whole thing only cost around $200. I had read a thread several years ago called "KMG on a shoe string" and was able to get the motor and controller for a real deal. As I said other than that the motor the only thing I paid for were the items I bought from Rob Frink.

Belt Grinder 2×72″ Complete Chassis WITH 2HP MOTOR & VFD ...

The 2hp motor is TEFC (Totally Enclosed Fan Cooled) which is the only choice for harsh grinding environments. It has a steel foot plate for mounting it to a bench & the face is 56C. Motor shaft is 5/8″ diameter. The VFD is wired for 110V so the motor produces 1.5HP but it can also be rewired for 220V (original instructions for the VFD ...

2x72 Belt Grinder Build - Why I switched to AC Motor & VFD ...

I have had a lot of questions about why I switched away from the DC Treadmill motor on my 2x72 Belt Grinder Build. This video explains why. When I built my 2...

Pictorial Guide to DIY 2x72 Belt Grinders

Emerald Isle's KMG Copy… Great looking kit by Simplatic. Looks like a good plasma cutting job… Fogg's PDF Plans for a KMG Clone… Talented Frenchman builds a nice knife grinder. Plans are in English. The Dream KMG Attachment: Check out the "Dream" KMG attachment, pretty cool! Wilmont's Cool 3 Attachment Grinder

2x72 belt grinder plans free pdf - agriturismoilnoceto.com

looking kit from Simplatic. It looks like a good plasma cutting work Foggà ¢ s PDF plans for a KMG clone French talent builds a nice arrotine. The plans are in English. The attached dream KMG: check. The engine is a mm mill with a thumb wheel 8. and 3 inch width TV for 5 mm thick thick and 8 inches .. all that is missing is the current inch belt,

Canadian KMG Clone Grinder - Grinders, Sanders, etc - I ...

Cory with Custom Eyes Machining has quoted me a KMG grinder clone for $530.00 CAD ea. I think this is a pretty good price for the chassis, base plate, tooling arm, platen, and work rest. I still have to supply the motor, wheels, and assemble the thing, but all things considered - not too bad. If any of you guys are interested in getting a ...

Comparing Grinders. the 2x72 type | KnifeDogs.com Forums

There are a few other mods that help the KMG clone work better also. #6: Motor hp? I'm sure Ed is right for a commercial shop, but I've been using 2 hp motors for a while and can't imagine needing more hp. BUT - as Ed says, you might grown into the need for a larger motor while starting with a small motor you're limited. #7: VFD or single speed?

Baldor 3 hp Vector Drive motors, new surplus.

There motors are called 1000:1 variable speed motors, capable of running as low as 1 hz frequency with a maximum speed of 6,000 rpm. The have constant torque from 0 to 1,750 rpm, then constant 3 hp up to almost 6,000 rpm. These would be ideal to replace the variable speed belts on a 3 hp BP clone. Specs: 3 hp. 3 phase, 230/460 volt, 1800 rpm.

New Machine Build KMG clone belt grinder ( pics ) - CNCzone

New Machine Build-KMG clone belt grinder ( pics ) If this is your first visit, be sure to check out the FAQ by clicking the link above. ... I am going to equip it with a 2 HP 3 Phase motor with a KBAC27 VFD. Hopefully, that will be enough power and the variable speed will be a nice feature. I am going to put locking casters on the table so that ...