### Bench grinder, how much hp do I need

Oct 25, 2011 I have a old, probably 1950's, 6" Century bench grinder. I would like to get a 6" or 8" grinder with the wheels mounted further from the motor. Any thoughts on how much horsepower for occasional home use. Mine is rated at 1/4 hp 3450 rpm. But that is a real 1/4 hp at 4 amps. probably call that 1/3 hp today. Bill D.

Get PriceEmail contact### calculation of horsepower for grinder

Pheer327 39;s post is exactly how my Bee grinder came but it 39;s direct drive A 1 HP 3400 rpm motor on 110v draws 12 amps - just fitting a 15 amp breaker at 80% load a 1 HP 1740 rpm motor draws more current and will NOT safely fit on a 15 amp breaker on all the motors I could look at I learned to grind with a light touch.

Get PriceEmail contact### DIY Knifemaker's Info Center: Belt Grinder Motor Guide

One horsepower equals 0.746 kilowatts if you need to do the conversion. Induction motors are made from fractional horsepower ratings like 1/3 hp to thousands of horsepower. For a decent 2" x 72" belt grinder, we're looking for ideally 1 to 3 horsepower, with a preference for 1.5 to 3 horsepower.

Get PriceEmail contact### How do I calculate the minimum torque needed for a grinder ...

Jul 23, 2012 In general, HP = [itex] \frac{2*pi*Torque*RPM}{33000}[/itex] However this may not accurately describe the requirements of your grinder during operating conditions.

Get PriceEmail contact### Four factors to consider when purchasing a grinder: You ...

The 750-watt-input grinder mentioned previously may lose more than 100 watts of energy as power travels from plug to motor. So, the grinder may be using only 300 watts for actual tool operation. A more telling number to determine a grinder's performance level is its output power, or the power used for tool operation after heat loss.

Get PriceEmail contact### Generator Calculator Generator Sizing and Power ...

You could choose a 2000w generator, as the highest starting wattage appliance (Fridge/Freezer) is 1280 watts and the sum of the running watts of the other appliances is 680 watts, so; 1280 + 680 = 1960 Watts. You would start first with connecting your Fridge/Freezer,

Get PriceEmail contact### Amps to Horsepower Calculator - Inch Calculator

The conversion from amps, a measure of electric current, to horsepower, a measure of power output by a motor, can be done using a fairly simple formula. Horsepower = I (A) × V (V) × η × PF 746. Thus, horsepower is equal to the current in amps times the voltage in volts times the efficiency times the power factor, divided by 746.

Get PriceEmail contact### GRINDER PUMP SIZING AND SELECTION WORKSHEET

GRINDER PUMP SIZING AND SELECTION WORKSHEET To begin, fill in the shaded areas on the front side. A calculator and additional sheet of paper may be required. FIGURE B PUMP CAPACITY based on total Fixture Units* STEP #1 Determine the type and quantity of each plumbing fixture. Multiply each by its fixture unit values in figure “A”.

Get PriceEmail contact### Pulley Calculator. RPM, Belt Length, Speed, Animated Diagrams

For example, if your small pulley is 80mm diameter, and spins at 1000 RPM, and you need to find the second pulley size to spin it at 400 RPM, Enter Pulley1 80, Pulley 1 RPM 1000, Pulley 2 RPM 400, and hit Calculate to find the second pulley diameter. Multiple Pulleys - RPM Reduction.

Get PriceEmail contact### Bench grinder, how much hp do I need

Oct 25, 2011 I have a old, probably 1950's, 6" Century bench grinder. I would like to get a 6" or 8" grinder with the wheels mounted further from the motor. Any thoughts on how much horsepower for occasional home use. Mine is rated at 1/4 hp 3450 rpm. But that is a real 1/4 hp at 4 amps. probably call that 1/3 hp today. Bill D.

Get PriceEmail contact### DIY Knifemaker's Info Center: Belt Grinder Motor Guide

One horsepower equals 0.746 kilowatts if you need to do the conversion. Induction motors are made from fractional horsepower ratings like 1/3 hp to thousands of horsepower. For a decent 2" x 72" belt grinder, we're looking for ideally 1 to 3 horsepower, with a preference for 1.5 to 3 horsepower.

Get PriceEmail contact### How do I calculate the minimum torque needed for a grinder ...

Jul 23, 2012 Is there a way I could calculate the energy loss due to friction yet still keep the motor running at a minimum RPM. For instance, if I put 5 pounds of force on the grinder, and the surface has a friction of .75, what would the energy loss be, and how does that translate to HP.

Get PriceEmail contact### Macfarlane Generators Power Calculator

A 1 Hp electric motor therefore will require 3-4kVA for start up. Once the 1 Hp electric motor has started, it will only consume 1 kVA leaving a extra 2-3kVA available for other appliances. However, the newer 'Inverter' style generators may be more efficient and capable of starting higher loads.

Get PriceEmail contact### Calculating amperage draw? - Grinders, Sanders, etc - I ...

Nov 28, 2017 section 400 table 430.138 in the NEC has the charts laying out the amp draw, at 115 volts its full load current 20a for 1.5 Hp and 24a for 2Hp but you also need to calculate the inefficiency of 80% or less for the vfd itself

Get PriceEmail contact### Amps to Horsepower Calculator - Inch Calculator

The conversion from amps, a measure of electric current, to horsepower, a measure of power output by a motor, can be done using a fairly simple formula. Horsepower = I (A) × V (V) × η × PF 746. Thus, horsepower is equal to the current in amps times the voltage in volts times the efficiency times the power factor, divided by 746.

Get PriceEmail contact### Generator Sizing Calculation Guide - Grainger KnowHow

The next item to look at for generator sizing is the volt-amperes (wattage) requirement of electric motor to be operated (e.g., furnace blower motor 1/3 HP), remembering that the starting requires 2 to 3* times the nameplate or running (rated) watts.

Get PriceEmail contact### Generator Calculator Generator Sizing and Power ...

Note: this sizing advice relates to portable generators – if you are after generator sizing advice for a large stationary generator, then you may need to engage an electrician.. To begin, you need to know the wattage draw of your appliance(s) and make sure your generator produces enough power to handle that draw – lets’ do it;. Step 1: Getting the power information for your appliances

Get PriceEmail contact### Recommendation? - Motor for 2x72 belt grinder ...

Aug 12, 2019 A standard 1.5 kW (2 HP), 4-pole motor or a 2.2 kW (3 HP) 2-pole motor will have a 90-frame. The rule-of-thumb for belt grinder motor power in industry is 1 HP per inch of belt width (750W per 25mm). Standard industrial motors tend to be designed for a maximum continuous mechanical speed of 3600 RPM to cover 2-pole motors running on 60 Hz mains ...

Get PriceEmail contact### GRINDER PUMP SIZING AND SELECTION WORKSHEET

GRINDER PUMP SIZING AND SELECTION WORKSHEET To begin, fill in the shaded areas on the front side. A calculator and additional sheet of paper may be required. FIGURE B PUMP CAPACITY based on total Fixture Units* STEP #1 Determine the type and quantity of each plumbing fixture. Multiply each by its fixture unit values in figure “A”.

Get PriceEmail contact### Pentair Myers WG(X)30 WG(X)50 Centrifugal Grinder Pumps

The Myers WG(X)30 and WG(X)50 are rugged 3 5 horsepower submersible centrifugal grinder pumps designed for residential, light commercial industrial or municipal applications in both hazardous and standard locations.

Get PriceEmail contact### BALDOR 12” 3 HP Carbide Grinder 1216W - YouTube

SMALL TOOLS INC.Questions? Call us at (800) 821-2674 or message us over eBay.BALDOR 12” 3 HP Pedestal GrinderSmall Tools Inventory #: S21548Model #: 1216WSer...

Get PriceEmail contact### How to Calculate Horsepower: 12 Steps (with Pictures ...

Dec 19, 2019 The answer is the horsepower for the car’s engine. If you can’t find the torque or the engine speed in the owner’s manual, search for the information online with the car’s make, model, and year. For more tips, including how to calculate the horsepower of an

Get PriceEmail contact### calculation of horsepower for grinder – Grinding Mill China

calculation of horsepower for grinder. Calculation Power Mining. Cachedcalculation of horsepower for grinder,mining machinery Time：2014-03-31 ID：14819 Related news and images with calculation of » Learn More. Grinding Mill Horsepower Calculation - China famous mining machinery equipment.

Get PriceEmail contact### calculation of horsepower for grinder – Grinding Mill China

calculation of horsepower for grinder. Calculation Power Mining. Cachedcalculation of horsepower for grinder,mining machinery Time：2014-03-31 ID：14819 Related news and images with calculation of » Learn More. Grinding Mill Horsepower Calculation - China famous mining machinery equipment.

Get PriceEmail contact### Example Power Consumption Chart for Sizing a Generator

It is not meant to be a strict guide to calculate your requirements. For the most accurate calculations refer to the owners manual of each device, tool, appliance, etc., or most preferably, consult a professional electrician: ... 1/8 horsepower (hp) 500: 300: 1/6 horsepower (hp) 750: 500: 1/4 horsepower (hp) 1000: 600: ... Disc Grinder: 4000 ...

Get PriceEmail contact### Generator Wattage Calculator - NorthernTool

Generator Wattage Calculator ... (1 HP) Circular Saw (7 1/4") Table Saw (10") Reciprocating Saw: Quartz Halogen Work Light: Drill (1/2", 5.4 Amps) Bench Grinder (8") Belt Sander: Battery Charger (100 Amp with 300 Amp Boost) Note: All wattages are estimates. Your application's exact wattage may vary. PORTABLE. Primary Use

Get PriceEmail contact### Calculating amperage draw? - Grinders, Sanders, etc - I ...

Nov 28, 2017 section 400 table 430.138 in the NEC has the charts laying out the amp draw, at 115 volts its full load current 20a for 1.5 Hp and 24a for 2Hp but you also need to calculate the inefficiency of 80% or less for the vfd itself

Get PriceEmail contact### Amps to Horsepower Calculator - Inch Calculator

The conversion from amps, a measure of electric current, to horsepower, a measure of power output by a motor, can be done using a fairly simple formula. Horsepower = I (A) × V (V) × η × PF 746. Thus, horsepower is equal to the current in amps times the voltage in volts times the efficiency times the power factor, divided by 746.

Get PriceEmail contact### Recommendation? - Motor for 2x72 belt grinder ...

Aug 12, 2019 A standard 1.5 kW (2 HP), 4-pole motor or a 2.2 kW (3 HP) 2-pole motor will have a 90-frame. The rule-of-thumb for belt grinder motor power in industry is 1 HP per inch of belt width (750W per 25mm). Standard industrial motors tend to be designed for a maximum continuous mechanical speed of 3600 RPM to cover 2-pole motors running on 60 Hz mains ...

Get PriceEmail contact### Pentair Myers WG(X)30 WG(X)50 Centrifugal Grinder Pumps

The Myers WG(X)30 and WG(X)50 are rugged 3 5 horsepower submersible centrifugal grinder pumps designed for residential, light commercial industrial or municipal applications in both hazardous and standard locations.

Get PriceEmail contact### GRINDER PUMP SIZING AND SELECTION WORKSHEET

GRINDER PUMP SIZING AND SELECTION WORKSHEET To begin, fill in the shaded areas on the front side. A calculator and additional sheet of paper may be required. FIGURE B PUMP CAPACITY based on total Fixture Units* STEP #1 Determine the type and quantity of each plumbing fixture. Multiply each by its fixture unit values in figure “A”.

Get PriceEmail contact### BALDOR 12” 3 HP Carbide Grinder 1216W - YouTube

Nov 30, 2015 SMALL TOOLS INC.Questions? Call us at (800) 821-2674 or message us over eBay.BALDOR 12” 3 HP Pedestal GrinderSmall Tools Inventory #: S21548Model #: 1216WSer...

Get PriceEmail contact### How to Calculate Horsepower: 12 Steps (with Pictures ...

Dec 19, 2019 Calculating The Horsepower Of Your Car 1. Get your car’s torque numbers. Look under the “technical specs” section, or look for “torque” in the index of the... 2. Find your car’s engine speed. This can also be found in your owner’s manual. ... An online resource should have this... 3. Multiply the ...

Get PriceEmail contact### Zoeller Pump Company Pump Sizing Program

It's very important to ensure you select the appropriate pump for your application based on performance and electrical requirements. Zoeller's pump sizing

Get PriceEmail contact### More on Grinders American Association of Woodturners

Mar 22, 2021 From the input wattage one can calculate the output horsepower, ( Actually, this number will be a few percent larger than the actual output power, because of heat losses in the motor.) I took a a very heavy round nose scraper and applied it to the grinder and noted the force and the power input in the motor as I pressed the scraper into the wheel.

Get PriceEmail contact### Air Tools and Air Consumption - Engineering ToolBox

Compressed Air - Pipe Line Pressure Loss - Online Calculator with Metric and Imperial Units - Calculate pressure drop in compressed air pipe lines - metric and imperial units; Compressed Air Quality - Compressed air is used for power tools, instrumentation, processing and for breathing

Get PriceEmail contact### Calculate Gallons Per Minute - Shafer, Troxell Howe, Inc.

Sump/Sewage/Grinder GPM Calculation Worksheet Use the tables below to calculate GPM required. Use Table 3.5 (Step #1) to determine number of fixture units Then use Table 3.6 (Step #2) to convert Fixture Units to GPM Enter the GPM in the GPM box under "Design Flow Rate" on the Pump Design Guide. Step #2: Table []

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