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2x72 Belt Grinder Hz/Vrt, all accessories 220v, 2HP, model RB-01
Description : 10 Apr, 2023
I am sorry but due to the inflation that we all struggle with these days I had to increase the price of the grinder. 2x72 new belt grinder with all accessories for knife making or hobby. If you are a beginner or experienced knife maker this grinder would do everything for you. Unique design that allows vertical, angular, and horizontal, round, hollow and flat grinding. It features a variable speed VFD drive and a 2hp motor that runs at 220V and it runs forward and reverse. Maximum belt velocity is 3800 fps; for extra $100.00 available at 110v. Shipping cost $250.00 included. Demonstration of features and capability video available ?v=jvPWyvAZtIM&t=424s
Things to keep in mind when buying a belt grinder: 1. Minimum power of the motor should be 2HP. If it is less, the grinder is under powered. 2. The RPM of the motor should be 3600 RPM for a 4" Dia. drive pulley. If the RPM is 1750, the belt maximum speed is half of 3800 fps and it might be to slow for some applications. 3. A lot of belt grinders sellers praise how big is the square tubing or how "heavy and solid" it is. This is not essential as you are pushing against it with your hands and you are not going to bend the frame no mater how hard you push. What is important is the so called "Wrap angle" which is the angle that the belt is wrapping around the drive pulley. The bigger the angle is, the contact area between the drive pulley and the belt is increasing allowing for more power to be transmitted from motor to the belt before free spinning. This angle gets smaller as the tracking pulley is closer to the drive pulley so the further the tracking pulley is from the motor the better the design is. 4. Look for a grinder where the rest table is adjustable preferably on 3 axes. such that can be adjusted vertically and horizontally under the grinder's wheel. This feature, together with a reversible rotation will allow you to do hollow grinding easily. 5. Look for a grinder that tilts from vertical to horizontal position because this will allow you to use the large and small diameter wheels horizontally, and that will make a huge difference when you are grinding round profiles. 6. Look for all the pivoting axes to have shoulder bolts, not regular screws. Shoulder bolts are more precise specially for bearing axes.
The es with following accessories: 1. Flat grinding plate that can be oriented in any direction, as well as horizontally when tilted. 2. 8" Grinding wheel for vertical and horizontal grinding. 3. Adapter and 5 small diameter grinding spindles (wheels). 4. 3 directions adjustable work table. 5. Knife holding right angle bracket. The stand is not included.
Video with the grinder is on YouTube ?v=jvPWyvAZtIM&t=424s Video shows how to use the grinder for flat and hollow grinding, vertical and horizontal applications as well as using all attachments.
VFD Specs. Power supply phrase: Single phrase Rated current: 8A Rated voltage: AC220V (single phrase) Power supply voltage: Low voltage Suitable motor power: 2 hp Suitable motor type: for 3-phase Motor
Motor specs. Technical Info: 2 HP 5/8" Shaft General Purpose Electric Motor, Three Phase, 230V/460V, 56C Frame, 3600 RPM sealed frame, CSA approved. Shaft diameter: 5/8" Shaft length: 1.88 Inch FL Amps: 2.8 @460V IP55 Protection Service Factor 1.15 Insulation Class F Class B Temp Rise Rolled Steel Construction Removable Universal Base Weight 36 lbs
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