Shaft Definition and 370 Threads

What is the force (horsepower) required turn a 750mm diameter shaft with a mass of 1,000kg, at a velocity of 160 rpms, with a weight of 2,500kg applied to the shaft? Thanks.

I'm doing some rotordynamic work with an outside guy is doing some bearing research for us. I sent him my steady-state response as a function of frequency, and he's almost taken aback by the bearing loads. He said that long ago he did the analysis with another engineer (no longer here) and they...

I have a stainless steel shaft that is Ø140mm x 936mm long. I need to calculate what the maximum torque is that I can apply to this shaft. I have looked around for formulas and have just got myself confused. Could someone tell me what the formula is that i need to work this out.

Homework Statement High strength steel hollow shaft which can withstand complex stresses generated by a combo of loading conditions. Tresca yield criterion is to be used as the basis of design with a factor of safety of 1.5. Shaft is of 50mm and 40mm outer and inner diameters and is subjected...

How do you calculate amount of power needed to slowly rotate shaft under bending moment? This is not related to transmittal of torque. Given: shaft size span between support bearings bending moment value rpm Assume: slow rotation (ignore centrifugal forces caused by deflection)

Hi gurus, I was hoping you guys can help me with a little something: I have just purchased a 12V DC motor with a shaft diameter of 5.4mm (Oddly enough, the description on the ebay page says 5.5mm, but the technical drawing attached, says that its 5.4mm). In any case - i am looking for...

Hello fellow members. I have a question and was wondering if someone could help me out. How could one figure out how much force is required to turn the shaft of say a large (9" diameter) DC motor directly from the shaft, and also with a lever of any length? Is there some sort of machine that has...

I am a Co-op student trying to calculate the forces exerted on a prop shaft as the plane goes into a turn or incline/decline. this is my method of finding the moment exerted on the propeller for a plane in a turn If the propellor is rotating about a horizontal axis (X) and the plane is in...

What is slip in tube drive shaft ? How it is different from other drive shafts i.e1-piece and 2-piece drive shaft?And what is suitable material of drive shaft ,can we use shaft in bicycle ?

what size shaft is required to transmit 100 Hp @ 1000 rpm ,if max shear stress is 10,000 psi .angle of twist must be less than 1 degree /ft .shaft is made of steel.

Hi guys, I need to find the natural frequencies of a series of pressure rakes. We have a numerical model, but I'd like to confirm with a hand calculation. I would like to model the pressure rakes as a cantilevered beam with varying cross section (i.e. as each tube "stops" the beam decreases in...

Homework Statement Ive been told to have a Mohr's circle in a project that I'm doing Ive never done anything to do with Mohr's Circle or stresses/strains before so I'm unsure what to do Attached file shows FBD of shaft made from AISI A514 steel Homework Equations From reading up...

hi, i am in great need of help... i need to determine the critical speed of a vertical shaft using ansys software ...my questions are: 1. which kind of element type should i choose? 2. wiil it be ok if i carry out the analysis without giving any constraints as it is not supported by...

hi i am going to design a parallel plate rheometer as a part of my project.in parallel plate rheometer, the fluid is sandwitched between the plates and rotation is given to the top plate.top plate is made with shaft, rotation is provided to the shaft by servomotor and for placing the fluid and...

I have calculated the external diameter and the solid shaft is to be replaced by a hollow shaft whose internal diameter equals 60% of the external diameter, the length, material, and maximum shear stress remaining unchanged. How can I calculate the percentage saving in weight? What are the...

Has anyone got a link to manufacturers catalogues or websites (anything online?) where I can find standard pipe shaft sizes?

Stress Calculation on "D" Drive Shaft Hey guys, I have a problem. I need to calculate the stress on on a shaft that's driving a fan. The shaft setup is pretty simple. It's a basic circular shaft, then one side is milled to a flat, slightly resembling the letter D. So, of course I have the...

Homework Statement A fan loses an 11 gram piece 460mm from the shaft center. It rotates at 1000 RPM and cannot operate if the shaft is out of balance by more than 8%. Prove whether or not the fan can still operate. Homework Equations Fc = mwr2 The Attempt at a Solution I have...

Hello! I would like to know how to calculate the stress in a ring that is mounted on a solid steel shaft. The shaft and ring is rotating at a couple of 100 rounds per minute up to a 1000 rounds per minute. The density for both materials are know, the geometry is know and material...

Hello! I want to calculate the stress in a ring that is mounted on a solid shaft due to the difference in temperature. The temperature in the shaft is always higher than the temperature in the ring. The geometry is known, the shaft has a certain diameter and the outer diameter is also...

1. Hey everyone, I'm brand new to this site and am requiring some help and a push in the right direction. Here's my problem, I have a solid circular shaft of 200mm diameter, and it is to be replaced with a hollow shaft having a diameter ratio of 2. I need to determine the dimensions of the...

I have a problem of bearing failure. A motor drives a shaft thro a flat belt. This shaft is connected to a load of around 40 kw. The shaft has 1309 self aligning ball bearing as floating bearing at the back end of shaft. On the load side there is a bearing 2209 NUP. The bearing inners are locked...

Homework Statement I have been asked to calculate a range of values relating to a Gas Turbine engine, and while I have been able to find the majority of the values I am almost certain that the Thermal Efficiency value of 1.64% I have come up with is incorrect. This relies on Shaft power...

Homework Statement The steel shaft of a socket wrench is 18mm diameter and 450mm long. If the allowable shear stree is 70 MN/m^2. Homework Equations i) What is the maximum permissible torque T that may be extered with the wrench? ii) Through what angle (theta) in radians will the shaft...

It's a fact that a shaft in a turbine is expanding when the temperature is increasing. A simple equation gives that the expansion can be described as: deltaX=(T1-T0)*alpha*x0, where deltaX is the expansion, T0 is the initial temperature, T1 is the final temperature and alpha is a coefficient...

hi, could anyone explain to me how a change in a shaft diameter affect the Torque. let's say D1/D2=1.5, should i assume Torque2 = Torque1 / 1.5 ? thanks for your help

Hi, I have Two eccentric cams consisting of 100mm dia disks with a shaft hole 15mm off centre. They are 400mm apart & I wish to rotate them together using two pneumatic cylinders each placed on either side of one disk. They are anchored at one end & have a pivot eye at the other. Each...

Attempting to use the formula: D = 1.72 (Tmax/σmax)^1/3 In my case I do not know σmax or at least how to calculate it from material properties. Material is 1045 UTS 84800 YTS 74300 Tmax = 591.55 in-lbs D = 1.72 (Tmax/σmax)^1/3 Any help would be appreciated. Regards

I want to find out suitable material with it physical properties, like allowible shear stress, which will be suitable for the shaft with following given data. R.P.M = 40 rpm Transmitting torque = 2100 kNm Length of the shaft = 2740 mm Smooth drive. Neglecting the bending movement of...

For a system where a tubular shaft undergoes torsion, the maximum shearing stress in the steel shaft must not exceed 70MPa. The outside diameter of the tubular shaft is 50mm and the inside is 25mm How do i determine the maximum torque that can be applied to the shaft?

there is a wheel. A shaft which rotates about a pivot point a is connected to the wheel at the point b. what is the influence of the distance a to b in the torque applied to the wheel . the wheel just rests on the shaft at point a and it is not welded to the shaft.

Hello I am trying to calculate contact stress for a shaft on a hole. The purpose of this calculation is to see if the diaphram on which the hole exists is thick enough to handle the shaft radial load. Easiest approximation would be to use a simple formula for bearing stress (stress = force /...

Homework Statement Show that, at the bottom of a vertical mine shaft dug to depth D, the measured value of g will be g = g_{s}\left(1-\frac{D}{R}\right)g_{s} being the surface value. Assume that the Earth is a uniform sphere of radius R. Homework Equations F = \frac{GMm}{r^{2}} V_{S} =...

Dear all I have been given task of to reduce the deflection of overhanging shaft. shaft geometry is stepped one.If we increase the load acting diameter cross section immediately we can reduce the deflection but our constraint is we cannot change that one.So what i have done ,i have changed...

[SOLVED] Pressure on walls of granite shaft Homework Statement A friend said "In the deeper mines rock can literally explode if struck or impacted b/c of the pressure of the rock above it." This brought to mind the formula for hydrostatic pressure and nothing else. The density of granite is...

I am unsure of where to begin to solve for my problem since I have no experience with rotating equipment. I have a 280mm rotating shaft @3000 RPM running thru a flat plate 45mm thick with a 300mm dianeter opening for the shaft. Being at sea level the one side has air pressure ratio of 1.000...

Guys, Need some help urgently! I have a thin shaft and a rectangular solar panel. The shaft is connected to a motor shaft and will rotate. How do I stick the panel onto the shaft so it can rotate ? The simpler the solution the better.. Thank you everyone

Design the shaft assembly of gear 2 with the following information: Gear: The specification of the involute helical gears are as follows Pressure angle: 20 degrees Torque acting on gear 1, T1= 95500Nmm Number of teeth: N1= 55(gear1), N2=135(gear 2) Helix angle= 15 degrees Tooth Width b=...

Hi, everyone I am a long time reader but this might be my first post. I am currently in a Senior Design Project and doing research for my project. I am doing a rotating shaft with flow through the middle of the shaft to a exiting hole on the other side radially out the shaft. ( I can explain...

Hi, it's been a number of years since I've even thought about physics, so this is a very simple question. I have a rig set up where I have a power source that is rotating a shaft. Attached to this shaft is a wheel with a string, I have this string going through a pulley in the ceiling, and...

Part of my design project requires that I design two coaxial output shafts. I've gone through and calculated the inner shaft based on deflection and Goodman fatigue criterion. The problem now is this: the other output shaft must be a hollow shaft that shares its axis with the interior shaft. All...

The built-up shaft consists of a pipe AB and solid rod BC. The pipe has an inner diameter of 20 mm and outer diameter of 28 mm. The rod has a diameter of 12 mm. Determine the maximum stress in the shaft. I have stress=V/A I picked 12N as V and Aream I am confused any help?

Brakes on Drive Shaft ?? HI all, I am new to this forum. I have a doubt on braking system. Any help in this regard is highly appreciated. Why can not we have brake on drive shaft or some point at flywheel ?? Any discussion in this regard is appreciated. I am hoping to find a...

hey i was told that hollow driveshaft on a car is stronger than a solid driveshaft...somebody know why ??

Pls help me calculate the shaft radius of a coupling system that's goin to rotate an prespex cylindrical at 100 rpm by a motor... the dia of cylinder is 6 in and its width is 1 in. the material to be rotated is 10 gm s of sand... bulk density if the sand is 3000 kg per m^3...

hello everyone. i want to know that can we treat stepped shaft as a beam while finding the deflection. if yes then how do we find the deflection of a stepped shaft made of cs1030 steel. its first half is 50 mm radius and is 2440 mm long while the second half is 35mm radius and 800mm long...

Can anyone explain me what kind of chassis dynos are used to measure shaft torque/power and how they do it. BTW... Things I allready known; I know that inertia brake dynos use a solid disc flywheel of a constant mass and radius and by meassuring time and flwheel speed (rpm), we can...

Dear all, A timing belt pulley is mounted upon a shaft from this drive is being transmitted. In the shaft lay out fixing shaft in the bearings,next putting key over the shaft,& mounting the pulley and this has to lock i.e.locknut with washer or any fastener in the shaft threaded centre hole...

I have some calculations I would like to make, though I am having trouble finding information. I have a circular hollow shaft made of steel. I would like to calculate the breaking point of said shaft at 1000 cycles and 1000000 cycles. What kind of information/properties of the metal needs to...

Homework Statement one last problem.. IF you dropped a stone into a mine shaft that is 240 m deep. HOw soon after you drop the stone do you hear it hit the bottom of the shaft? Assume that temperature for this situation is 23.5 celcius Homework Equations So.. in order to get the...