What is Conveyor: Definition and 90 Discussions

A conveyor system is a common piece of mechanical handling equipment that moves materials from one location to another. Conveyors are especially useful in applications involving the transport of heavy or bulky materials. Conveyor systems allow quick and efficient transport for a wide variety of materials, which make them very popular in the material handling and packaging industries. They also have popular consumer applications, as they are often found in supermarkets and airports, constituting the final leg of item/ bag delivery to customers. Many kinds of conveying systems are available and are used according to the various needs of different industries. There are chain conveyors (floor and overhead) as well. Chain conveyors consist of enclosed tracks, I-Beam, towline, power & free, and hand pushed trolleys.

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  1. hello478

    Work done on a conveyor belt

    my answer was c but i didn't understand why the work done in 16m or 12m wont be the greatest? how would we calculate work done in 12 m and 16 m??
  2. M

    Designing an Air Float Conveyor: Calculating Pressure and Flow for Moving Objects

    [Mentor Note: Thread created by moving some posts from a previous thread into this new one by the OP.] if I have 1)10X10 cm box 2) weight 300g 3) The dimensions of the surface sheet that will be in contact is 60x25 cm 4) should be flat with holes for the air 5) that surface either can be an...
  3. Luchee

    How do I go about the calculations for an air conveyor?

    How do I go about the calculations for an air conveyor that has the same working principle as an air hockey table? The conveyor should not he bulky seeing as it is a prototype. Please help me.
  4. E

    I Is There a Better Model for the Relationship Between Friction and Velocity?

    Let say a package is entering a conveyor belt (velocity ##w##) at zero initial velocity ##v## in the direction of the conveyor. Initially the package slips as its being accelerated (from rest) to conveyor belt speed. A linear drag force seems reasonable to me for a model: $$ \beta( \mu, N ) (...
  5. B

    Finding Gap Between Two Objects on Moving Conveyor

    I am needing to find the gap between two pieces of wood on a conveyor belt. I am new t this and am having trouble knowing what to Google to find the right formulas. I found one answer on here that helped a little, but it was dealing with two conveyors, and I am not sure if I adjusted the formula...
  6. A

    Engineering Motion equation and transfer function of mass on a conveyor

    Denote wheel turning angle as theta--> Induced EFM (Em)=Kb*Theta_dot. Voltages on the wheel: R*i= V - Em Moments on engine's axis: Kt*i-C*a + a (m+M)*x_double_dot=0 (As Jm negligible). From here I would find another equation to have x and theta expressing each other, but i think I'm...
  7. thoain14

    Conveyor Rollers (Hex Axle)

    I am trying to power my conveyor roller but have a 7/16" hex axle. I have been trying to find a sprocket that has a hex bore and is able to handle a ANSI Standard Size 40 Roller Chain. Is there any other efficient way to power this other than chain and sprocket? Also, this sounds dumb, but I was...
  8. Z

    What happens to a ball placed on a moving conveyor belt?

    Here is my depiction of the initial state: Note that the presence of ##f_k## means the ball is initially slipping. We also know that the linear and angular speeds of the ball are increasing in time. At some point, the ball should stop slipping. The condition for no slipping is that the speed...
  9. B

    Sand drops on a conveyor belt at constant rate

    I can understand how it can be explained using the change of momentum to find the average force on the belt, then us $$P=Fv$$ to get the power. What I didn't understand is why the energy solution won't work. If in 1 second, sand with mass m has fallen on the belt and accelerated to speed v...
  10. FEAnalyst

    Designing a Pallet Chain Conveyor: Calculations and Approaches

    Hi, I'm not sure how to approach the design calculations for chain conveyor. It's rather easy to find formulas for belt conveyor but it's not the same. I also thought about the use of procedure applicable to chain drive but in case of conveyor load is placed directly on the chain (or a pair of...
  11. T

    Friction between a mass and a conveyor belt (ENGAA 2017)

    Please scroll-down to Q50: https://www.undergraduate.study.cam.ac.uk/files/publications/engineering_s1_qp_2017.pdf The correct answer is 'B', or 'mgsin(Θ)'. I put 'E', or 'μmgcos(Θ)'. There are unofficial worked solutions which I have been referring to when I have attempted the question and...
  12. U

    Efficiency and Energy to move a box on a conveyor belt

  13. A

    Granular Conveyor -- Granular Material acts as a liquid?

    My final year experiment involves vibrating a granular conveyor with the same amplitude at at different frequencies. (See picture for experiment set-up). Between 5-115 Hz, the glass beads bounce erratically. As soon as the frequency hits 120Hz or higher, the beads remain on the surface, and can...
  14. IamVector

    Hard kinematics problem: Block pushed onto a moving conveyor belt

    stuck on this question
  15. M

    Engineering Building a Tilt Calculator for Packages on a Conveyor

    I am attempting to build a calculator that will calculate the tilt of a different shapes of packages traveling along a conveyor. the variables I am most interested in considering are: length, width and height of the package; speed of conveyor; radius and degree of turns. Can anyone provide me...
  16. Like Tony Stark

    Packages acting on a conveyor belt

    A) Before passing by ##A## the forces acting are weight and normal force. Then, after passing by that point you have (Tangential direction) ##W_t-Fr=m.a_t## (Normal direction) ##-N+W_n=m.\omega ^2 .r## Also, as the packages don't slide, we can say that ##a_t=0## Are these ideas okay? B) When...
  17. S

    Yo-yo on an accelerating conveyor belt

    First off, I was wondering if the acceleration of the conveyor belt can be considered a force. And I'm not exactly sure how to use Newton's second law if the object of the forces is itself on an accelerating surface. Also, I don't know whether it rolls with or without slipping. I thought I could...
  18. JD_PM

    Cylinder lying on conveyor belt

    Homework Statement You buy a bottle of water in the store and place it on the conveyor belt with the longitudinal axis perpendicular to the direction of movement of the belt. Initially, both the belt and the bottle are at rest. We can approach the bottle as one cylinder with radius ##R##, mass...
  19. S

    Box on a conveyor belt (friction)

    Homework Statement A 10kg crate is placed on a horizontal conveyor belt. Draw a free-body diagram showing all the forces on the crate if the conveyer belt is speeding up.Homework Equations Its mastering physics says to "Draw the force vectors with their tails at the dot. The orientation of...
  20. V

    Upgrading a conveyor system

    Hey guys, some insight to the following problem I have here would be helpful. I need to see if a conveyor is worth upgraded (i.e. see what the output Tonne/per hour is) from a belt 745mm wide, idler pulley 800mm wide... to a 800mm belt and 850mm wide idler pulley. Lets assume the length of the...
  21. S

    Calculating Pulley and Shaft Loads for an Existing System

    Hi, i need to do a pulley/shaft check on an existing system. Pulley is 840mm diameter and the motor has 47kw and 390 nm breakdown torque so to find the force from the belt can i assume that the force at the pulley o.d. distance is the force? So 390*0.84 will give the torque at that distance...
  22. Pushoam

    Power needed to keep conveyor belt running

    Homework Statement Homework EquationsThe Attempt at a Solution Taking change in the kinetic energy per unit time as power, P = ## \frac {d W}{dt} = \frac {d K}{dt} = \frac 1 2 \frac { dm} {dt} v^2 = 36.75 ## watt...(1) ## P = \vec F \cdot \vec v = \frac{ dm} {dt} \vec v \cdot \vec v =...
  23. O

    2 Conveyors with different speeds

    (mentor note: moved here from a non-homework thread) Hello I am trying to find the time it will take for a parcel to pass over one conveyor belt The conveyor on the right is Conveyor A The conveyor on the left is Conveyor B they both have a length of 700mm Conveyor A has a constant speed of...
  24. K

    Chain Conveyor Speed Calculation

    Okay this has has been driving me crazy. I would like to know how a conveyor speed can be calculated on the basis of chain pitch, sprocket PCD & no. of teeth and output RPM of gearmotor. So here is a practical example I'm having to solve at the moment: I have to drive a conveyor at a speed of...
  25. R

    Dynamics Question -- packages discharged from a conveyor belt

    Homework Statement A series of small packages, each with a mass of 4 kg, are discharged from a conveyor belt as shown. Assume that the coefficient of static friction between each package and the conveyor belt is 0.4. Determine the force exerted by the belt on a package just after it has passed...
  26. D

    Projected Block and Conveyor Belt

    Homework Statement It is a Matching Type Problem(a single entry in a column can be matched with more than one in the other column):- A block is projected with an initial velocity ##v_{\text{Block}}## on a long conveyor belt moving with velocity ##v_{\text{Belt}}##(at that instant) having...
  27. S

    Solving Conveyor Motor Tripping Problem for Foundry

    A company called the other day with a question about their conveyor. My company did not build the conveyor but did supply the gearbox. The conveyor is 8 feet long, and 4 feet wide, it is level and transports castings to the grinding department of a foundry. The motor they are using is a 4 pole...
  28. BrahimBC

    I have a problem with a belt conveyor --

    Hi, everyone I have a mechanical problem I hope someone can help me out The project of internship is "Normalization of belt in a belt conveyors" , I explain ; the factory where I'm now have 69 conveyors each one use a belt different from the other , so my goal is to reduce the number of belt...
  29. P

    Inelastic Collisions and the Limitations of Conservation of Energy

    Homework Statement Sand runs from a hopper at constant rate dm/dt onto a horizontal conveyor belt driven at constant speed V by a motor. (a) Find the power needed to drive the belt. (b) Compare the answer to (a) with the rate of change of kinetic energy of the sand. Can you account for the...
  30. J

    Power needed to keep conveyor belt moving at constant speed

    1. The problem statement, all variables and given/known Homework Equations P=Fv K.E = 1/2 mv2 The Attempt at a Solution This is the examiner report: Why infinite acceleration? Is it because the mass is too small?
  31. T

    Engineering Conveyor Engineer/Conveyor Engineering

    Hi to all my colleagues, I am working now days for a Automakers company and I need to be promoted ... What is the essentials to know that makes us Mechanical Engineers to be called Conveyor Engineers! What I should know? What I should understand? What I should know to calculate? and ... Etc...
  32. K

    An accelerating conveyor drags a box

    Homework Statement The velocity of a conveyor is V=30+0.1t2. a box of mass m=3[kg] falls from zero height at t=0. the kinetic coefficient of friction is μk=0.4 and the static is μs=0.5. 1) At which times the friction is kinetic and at which static 2) What's the box's velocity in the different...
  33. A

    Tension in Conveyor Belt due to weight placed on it

    Hello, I am trying to determine the tension in a belt conveyor transporting material to calculate the motor power required and also tensioning force needed on it. I wanted to know how the material weight that is being carried affects it. I considered the tension to be equal to the friction...
  34. elementHTTP

    Mass flow rate, conveyor screw calculations and books

    I am interested in mass flow rate in conveyor screw transportation http://www.colormaxsystems.com/wp-content/uploads/2013/11/5-screws-300x222.jpg any recommended book,engineering guides ?
  35. B

    Linear alignment conveyor design

    I have a tub randomly filled with light longitudinal parts like pencils or matches. My goal is to gather them into a buffer nicely aligned (independently of which end is facing side). What's the fastest way to achieve this? I have considered unconventional bowl feeder with substantial radius...
  36. PhysicoRaj

    Find the force on a conveyor belt

    Homework Statement Sand is being poured onto a conveyor belt at the rate of 2kgs-1. Find the force required to move the belt at an acceleration of 3ms-2. Given the sand is not dumped off the belt at any point and the mass of the conveyor is negligible. Homework Equations F=ma=dP/dt...
  37. G

    Torque on the Drive Shaft of a Screw Conveyor

    My work has a drive shaft that has been breaking on a U-trough screw conveyor. I am looking for some helpful equations to find the torque on the shaft so I can accurately model and optimize the shaft in SolidWorks.
  38. T

    Can anyone provide information on how conveyor rails work for incline movement?

    Hi! I was wondering if anyone had any links or information to how conveyor rails work? Basically, I'm designing a product that would require a chair to move up and down an incline. I'd like to place it on a powered conveyor rail, but need more information on the mechanics and can't find any...
  39. B

    Energy to move an object along a conveyor belt

    Hey phys community. need a little help, I am looking to calculate the energy needed to move an object from point A to point B on a conveyor belt. I need to know how to calculate this on a horizontal surface, incline, and decline. The abstract would be cool formulas would be cool. My math...
  40. R

    Package Dropped On A Conveyor Belt

    Homework Statement A package is dropped on a horizontal conveyor belt. The mass of the package is 4m , the speed of the conveyor belt is 3v , and the coefficient of kinetic friction between the package and the belt is 2k . a) How long does it take for the package to stop sliding on the...
  41. H

    Belt Conveyor Problem: Finding Length and Weight | Grain Density 700 kg/m^3

    hey ... i need help with this problem Grain density=700 kg/m^3 velocity of belt=1.3 m/sec tan(theta)=tan(30)=0.6 hight=5m wide of belt = 50cm find: 1- real Length 2- conveing wight look at pic http://hh7.an3m1.com/Sep/an3m1.com_13608577291.png My answer : 1- sin(30)= 5\L L= 10 * 2.5= 25m...
  42. H

    What Are the Benefits of Using Regenerative Conveyor Systems in Mining Projects?

    hey >>>> i have tow Questions about conveyor design: What are the Variables influencing the design of conveyor ? all i know is : Angle of surcharge
  43. M

    Solving Conveyor Belt Stress for Beginners: A Step-by-Step Guide

    Homework Statement I am pretty confused with how to go about answering this question: Calculate the maximum lenth of conveyor which can be used to avoid the belt failing from stress, for an installation carrying 140 t/h up a gradient of 10 degrees, if the belt width is 1.1m, the speed is 1.7...
  44. P

    Liquid flow over a conveyor belt

    1. A conveyor belt with one end immersed in a glycerin tank is used to transport small amounts of glycerin to a second tank. The belt surface is completely smooth, flow is laminar, and the specific weight of the fluid is 60 lbf/ft^3 with the belt velocity equal to 1 ft/s. Determine the volume...
  45. H

    Calculation of Torque for Drive Pulley of Roller Conveyor

    Anyone can help me to calculate the Torque for Drive Pulley of Rolling Conveyor? The details below: - Roller Conveyor : length = 18m (speed of the belt conveyor is 2.5m / sec) - Conveyor consists of 25 roller, 1 drive pulley & 1 tail pulley - Total load of the conveyor : 5,500 kg To move...
  46. W

    Two main drives in one chain conveyor

    Hi, Is it possible to install two main drives in one chain conveyor to boost up the chain conveyor speed? If possible how to synchronize between the two main drive motors. The motors will control by inverter. Thanks!
  47. F

    Motor starter for conveyor

    hello guys... im now doing motor starter for conveyor..so i decide to use 4 magnetic contactor connected with overload relay each..1 contactor for main supply and i make some looping for other 3 contactor each contactor connected to one conveyor... it is 3 phase and 2 poles overload relay..im...
  48. S

    Force required to overcome conveyor PLI belt tension?

    Force required to overcome conveyor PLI belt tension? I'm designing a conveyor. A very large one i might add. The conveyor has 3 rolls, one driven and 2 idlers. (kind of shaped like a right triangle) There is of course a belt (103.5" wide) tensioned at 15PLI. So I know that there are 1552.5lbs...
  49. M

    Motor power for screw conveyor?

    Hi this is the case I have to find a suitable motor for a screw conveyor with mass flow of 200g/h lenght of a crew 0.5m diameter is 100m it works with small particles of coal and it need to work for 1 rpm help??
  50. B

    Conveyor Belt's Power: Calculating Energy and Power in a Moving System

    Homework Statement Sand falls at a rate of 0.5 kg/s onto a conveyor belt which is moving at a constant speed of 2.0 m/s. Questions: a. Find the power expended in driving the belt! b. Find the rate at which the sand acquires kinetic energy! c. Account for any difference between the...
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