The portion to be mated must be one of the following. Click to access the camfollower connection definition dialog box and create. I am trying to make an animation of a cam and follower mechanism and i have defined a cam mate between the two parts,namely the cam and follower. This cam and follower mechanism is just part of it. This article will discuss the calculation method of the velocity of cam follower. The cam follower is a compact bearing with a highrigidity shaft and a builtin needle bearing. This simulation program deals with many aspects of engine design related to the cylinder head. The process to choose the optimal motion law of the cams followers by fuzzy. Calculation methodology and case studies on cam follower wear. Heres how analytix cams is used to synthesize a cam profile. The contact end of the follower is roller and the rolling motion exists between the cam and follower.
Initially we will show how to create cam and follower parts next we w. Cam and followermodelling and motion simulation video tutorial. Basic adams full simulation package training teaches you how to build. Cam design software is fully integrated into mechdesigner. Adams full simulation package is a powerful modeling and simulating environment that lets you build, simulate, refine, and ultimately optimize any mechanical system, from automobiles and trains to vcrs and backhoes. This video shows simulation of cam and follower with the help of autodesk inventor software. First, you choose the camfollower type and such things as direction of rotation and follower. For example, you are modelling a camfollower connection made up of a cylinder. Cam simulator file exchange matlab central mathworks. The cam is in most cases merely a flat piece of metal that has had an unusual shape or profile machined onto it. Modeling contact forces in a cam follower video matlab. Then export dxf to cad or coordinate data to nccam software. Cam and followermodelling and motion simulation video. A cam and follower system is systemmechanism that uses a cam and follower to create a specific motion.
Simulation software simulation of cam and follower mechanism simulation can be done using most recent simulation software, here in this paper attempt is made to carry out simulation using proengineering simulation module called promechanica figure 3. As the cam turns, the eccentricshaped cam lobe lifts and lowers a cam follower, or lifter. Most suitable as a guide roller for cam mechanisms and linear motion of automated machines and dedicated machines. Controlled induction camshaft requirement software guarantees it. A twomass, singledegreeoffreedom dynamic model was created in simulink, a dynamic modeling tool, and validated by comparing to the model results from the cam design program, dynacam. Predictions of cam follower wear in diesel engines. The simulation shows how labels are glued and applied to bottles. These components are the cam, which displaces the follower, the linear bearings which hold the follower in place, and the cam shaft which connects the cam and the cam pulley. Analysis and simulation of cam follower mechanism using.
Application of different angular increment to different cam segment in a single simulation for every profile generated. At the tool, for forward kinematics, or at the camfollower or servoaxis for forward kinematics although we would always recommend inversekinematics. Tushar kiran et al analysis and simulation of cam follower mechanism using polynomial cam profile 214 int. The problem is defined as nonlinear by imposing a contact pair between the cam and the follower body. A cam gear consists of a frame, a cam and a follower. Another helpful item for choosing a cam is the free software offered by comp cam. Luckily, suppliers of camfollower bearings list each camfollowers capacity as a force rather than a stress. Mathworks is the leading developer of mathematical computing software for engineers and scientists.
Insert the cam and follower into an assembly and add mates to prevent motion that is extraneous to the intended motion between the cam and follower. The cam has several faces and i chose one of them as the cam face. Its capacity is, however, strongly influenced by lubrication and contamination. Or from an existing cam profile, the followers geometry and kinematics can be quickly designed, finetuned and analyzed. Basic radius r 0 disc and cylindrical cams motion length l c linear cams cam width b c roller radius r r roller width b r for follower shape cylinder eccentricity e disc cams for translating follower eccentricity angle. Camfollower experiment description the purpose of the camfollower experiment is to. Then copy and paste the embed code into your own web page. Hello, i am making a 4 cylinder engine assembly and i am having difficulty for constraining cam with the cam follower. This cam is attached to a shaft which enable it to be turned by applying a. Keywords conjugate cam mechanism fuzzy evaluation simulation software. Simulation model of cam follower mechanism with 345 polynomial cam profile. Check out our selection of the best cam software for solidworks, autocad, and other cad software.
Selecting different motion synthesis is a snap with camtrax. The camfollower mechanism plays an important role in applications such as internal. The velocity of any cam follower can be calculated using the deferential method provided you have the equation relating the angular. Drive constraint with adaptive component is animation. The cam and follower is made of several basic components, figures 3, 4. Cams and followers mechanical devices aqa bbc bitesize. A number of methods of spring pack design are available to allow combined optimization with camshaft profile design. Simulation of a cam follower inventor 2017 autodesk. Data acquisition and computer simulation integrated. Analysis and simulation of cam follower mechanism using polynomial cam profile pages. Given a set of motion programs this interface plots the cam profile and rotates it. The type of follower used with this cam is the rollerfollower. You can apply the motion anywhere in your mechanism.
Modeling contact forces in a geneva drive related videos. Cam and follower modelling and motion simulation video. After i learn cam and follower mechanism i will add in the rest. The contact pressure distribution on the cam and follower surface is calculated by imposing the boundary conditions of contact force, lubricant damping value and fixity constraint. Use mechdesigner cad software to design complex mechanisms, cams and motions use mechdesigner to design machines so that they move smoothly and precisely with mechdesigner, it is easy to design any number of mechanisms and cams in one model, then analyze, scrutinize and optimize all of them together, so that you can get the best machine performance. In this video we will display how to create and simulate a cam and follower assembly. Deduction of the design of valve lift motion from a measured cam profile and the known geometry of the cam follower. Visit my blog to learn how it is done with the autodesk inventor. Adamsmachinery cam provides modeling options for 2d and 3d motion as well as a constraint or contact based camfollower interface. Research article cam follower mechanism simulation. Valdyn kinematics produces comprehensive outputs to enable springcam design to be assessed, including cam contact hertzian stress, oil film thickness, cam wear, spring cover, spring stress and spring natural frequency. The problem is that when i make an animation out of it the follower will attach to that single face that i defined as my cam face and so it doesnt simulate a proper. They work in teams of 34 members and document their lab experience and results in a fo rmal technical report.
These systems may comprise various combinations of cam shapes, follower motions, follower arrangements and follower geometry. Analytix cams mechanical engineering software saltire software. The software defines cams as extending infinitely in the extrusion direction. The use of algebraic polynomials to specify the follower motion is a new choice for cam. The camfollowers force capacity assumes it operates in a perfect environment. Plus, how to choose the right program for your needs. Choose between virtually any standard cam motion with a couple mouse clicks. The cam follower mechanism is versatile and almost any arbitrarilyspecified motion can be achieved.
Then, jump to our introduction and learn about the following questions. Cam and followerdynamic simulationautodesk inventor tutorial with caption and audio narration duration. Software for cam, mechanism and motion design, analysis and simulation. Here, the cam follower mechanism was modelled at the global origin with the nx cad software. Cams can be produced in any shape, but the most common shapes are.
What follows are diagrams for displacement, velocity and acceleration, as well as an animated simulation of the cam profile and the follower. There are three major parts in the setup as shown below. You can model then let mechdesigner calculate the cam coordinates of just about every cam type. Simulation of cam and follower autodesk inventor on vimeo. Cam and follower modelling and motion simulation video tutorial siemens nx 10. You will enter the measurements for the flat or roller follower, or overhead cam valve train into the program. Originalityvalue the novelty of the paper is consisted in presenting an integrated simulation methodology in order to precisely model, in component and assembly basis, the follower cam. Initially we will show the way to create cam and follower parts next we will place them in assembly. What are the applications of different types of cam.595 693 171 1094 732 1497 184 516 160 721 278 844 587 1281 1051 1324 472 1163 644 511 214 1358 1116 895 858 540 1122 1188 352 122 1000 277 502 153