# Mining Machinery

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###### Formulas - Parker Hannifin

Gear Displacement Calculation: The volumetric displacement of a gear pump or motor can be approximated by measurement of the internal parts and substituting the values in the following formula: V = 603 × W × (2 x D -L) × (L - D ÷ 2) Where V = displacement in in³/rev W = gear width in inches D = gear tip diameter in inches...

###### Bridge crane motor calculation - Electric motors ,

I need to calculate the electric motor and speed reducer for a small bridge crane Its been very long since I have done this type of work and I not sure how to do it Max crane load will be 2500 kg Bridge crane weight 500 kg aprox Number of wheels 4 Wheel diameter 132 mm Speed 0,3 m/s...

###### Understanding Motor and Gearbox Design: 10 Steps (with ,

Understanding Motor and Gearbox Design: Why Spend Time Choosing the Right Motor and Gearbox? Choosing the correct combination of a motor and a gearbox for a given application is very important, both in the FIRST Robotics Competition (FRC) and ,...

###### How to Convert Torque to Force | Sciencing

May 21, 2018· Torque is the application of force through the use of a lever rotated around an axis A good example of torque in action is a wrench The head of the wrench grabs a bolt and applies pressure to it If you kept applying pressure, the ,...

###### Gearbox torque calculation | Physics Forums

Aug 04, 2016· In my one of the application I have to use the gear box to rotate 500 kg load I have to use handwheel to rotate I am using the formula Torque= force x per Distance x coefficient of friction = 500x7x8 : 2800 Nm Is it correct to calculate the torque I have attached the image for clarity could you please help Thanks in advance Regards Raj...

###### Physics - Mechanics: Ch 15 Torque Fundamentals (8 of 13 ,

May 05, 2016· Visit ilectureonline for more math and science lectures! In this video I will calculate the torque of a crane of L=2m supporting a mass=10kg at an....

###### Useful Motor/Torque Equations for EML2322L

Calculate the Torque required to lift the Force with the lever arm T = F x d = 4905 N x 05 m = 24525 N-m We cannot perform the lift with this set-up, because the stall torque is smaller than the torque required for the lift We must either shorten the length of the lever arm....

###### Calculating the required motor size to move a load ,

May 06, 2017· From what I've read in the stickies, this question may be more suited to this homework forum, although please note I'm not a student nor is this homework (it's simply for a personal project I'm doing), so please accept my apologies in advance if there are significant gaps in ,...

###### Power press design calculation - Blogger

stitchmax sa, machine design such a nice blog , I am really impress your writing skills , we are also work in StitchMax software , it can use to embroidery design and punching use, The Stitchmax Provide best embroidery digitizing service, Stitchmax is a great way to start creating and editing professional embroidery designs on a VERY low budget...

###### HORSEPOWER TO TORQUE CALCULATOR

horsepower torque rpm calculator, if you know two this calculates the third Horsepower / Torque / R P M Calculator If you need to determine automotive torque, revolutions per minute or horsepower and you know 2 of these 3 variables, this will calculate the third...

###### All about Horsepower, Torque, speed, and acceleration

So if our goal is maximum acceleration, you can go about it two ways: Either increase the Force (torque) applied by the engine and transmission, or ,...

###### How to Pick Motors for Linear Motion | Machine Design

How to Pick Motors for Linear Motion , during deceleration the gearmotor must supply a negative torque to stop the load in a controlled manner , Calculations based on RMS torque and current ....

###### Plant Engineering | Relationship of torque and shaft size

Apr 13, 2015· The minimum shaft diameters calculated by the torque transmission and torsional deflection methods are essentially the same for Examples 1 and 2 Still, a good approach is to calculate the size both ways, and then use the larger value as the absolute minimum >>See the following page for Hollow-Shaft Designs, Equation 5, and Examples 3-4...

###### Screw Jack Calculation - Power

For more information on worms, wheels and travel rates, refer to the Kelston Knowledge Base Input Torque for the Dynamic Load, T in The required torque for a given screw jack is determined by: -The load it acts to lift, -The effective distance from which the input force acts (the lever arm), -The efficiency of the system...

###### Ring and Pinion Gear Set Up Specs - Torque and Backlash

Ring and Pinion Gear Set Up To install your ring and pinion gears and/or differential correctly, it is critical to torque your bolts and set your preload and backlash correctly The following table contains the proper specifications for all popular axl...

###### Torques in Electrical Induction Motors - Engineering ToolBox

Accelerating Torque Accelerating Torque = Available Motor Torque - Load Torque Reduced Voltage Soft Starters Reduced Voltage Soft Starters are used to limit the start current reducing the Locked Rotor Torque or Starting Torque and are common in applications which is hard to start or must be handled with care - like positive displacement pumps, cranes, elevators and similar...

###### Torque Calculations for Gearmotor Applications - Precision ,

From this, we can calculate the torque exerted by the mass (a torque which our gearmotor must be able to exceed in order to lift the mass) Alternatively, if we have already selected our gearmotor, it becomes a case of re-arranging the torque equation to find out either the maximum load, the motor can lift or the radius for the pulley...

###### Motor Formulas and Calculations, Index of Helpful Tools

MOTOR FORMULAS AND CALCULATIONS: The formulas and calculations which appear below should be used for estimating purposes only It is the responsibility of the customer to specify the required motor Hp, Torque and accelerating time for his application...

###### How can i calculate the gearbox output torque which is ,

How can i calculate the gearbox output torque which is driven by an electric motor? For more details please find the attached the motor data sheet and the gearbox is worm kind with ratio is 10:1...

###### How to Calculate Load Torque & Motor Power

Mar 04, 2006· The sum of resistances = tractive pull The tractive pull multiplied by the drive pulley radius will give you the load torque There is no short cut for deciding the load torque This cannot be calculated from motor side 5) Having decided the load torque, you can decide the required power at motor shaft, available motor size, gear ratio and so on...

###### How to Calculate Load Torque & Motor Power

Mar 04, 2006· The sum of resistances = tractive pull The tractive pull multiplied by the drive pulley radius will give you the load torque There is no short cut for deciding the load torque This cannot be calculated from motor side 5) Having decided the load torque, you can decide the required power at motor shaft, available motor size, gear ratio and so on...

###### Matching a Hydraulic Motor to the Load - Womack Machine ,

Torque is calculated by multiplying lever arm length, in feet, times the weight necessary to break the shaft away Torque will be in foot-lbs On this type load, if the hydraulic motor can supply breakaway torque, it can also run the load at any speed Figure 1 Breakaway torque of a load can be measured...

###### Online Engineering Calculators and Equation Tools Free ,

Free Mechanical Design, Engineering Calculators Online engineering analysis tools and data , Motor Driving Speed Reducer (Gear, Belt, or Chain) Torque, Force Calculator , resultant load = P Equation and Calculator Per Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels...

###### Calculation of motor capacity - Electrical Engineering Centre

Calculation of motor capacity , We can connect the electric motor with several types of mechanical load with gearbox,pulley,timing chain and etcProper calculation is must to avoid overload,bearing damage and motor burn due to wrong estimation about load , it can be seen that this application is a constant torque load and that the 4-pole ....

###### Winch calculation - EMCE

The amount of torque at gearbox level is important to make sure a sufficiently strong gearbox is chosen, and at motor level to make sure the load can be actually moved The effective drum radius used in this calculation is the distance between the centreline of the active rope layer and the centreline of the drum...

###### Online Engineering Calculators and Equation Tools Free ,

Free Mechanical Design, Engineering Calculators Online engineering analysis tools and data , Motor Driving Speed Reducer (Gear, Belt, or Chain) Torque, Force Calculator , resultant load = P Equation and Calculator Per Roarks Formulas for Stress and Strain for membrane stresses and deformations in thin-walled pressure vessels...

###### Motor Sizing Calculations - Alaa Khamis

Calculate the value for load torque, load inertia, speed, etc at the motor drive shaft of the mechanism Refer to page 3 for calculating the speed, load torque and load inertia for various mechanisms Select a motor type from AC Motors, Brushless DC Motors or Stepping Motors ,...

###### Online calculator: Power into Torque and vise versa

Ok, according to this revolution request Socialist seamates!a very useful calculator is one that can turn Torque into Power and vice versa I proudly present two calculators which can be used for power to the torque (Power to the Torque!) and torque to the power conversion...