The camfollower is supported by a rigid frame which controls the motion and keep safe the device from irregular motions and damage. D r s1 s1 stud diameter outer main dimensions diameter outer ring width threaded overall length shoulder height f d model no. Cam followers come in a vast array of different configurations, however the most defining characteristic is how the cam follower mounts to its mating part. Rotating cam, translating follower figure 68 simdesign translating cam. Campdf is the only one of these that has regression tests. Mcgill cf2 12s cam follower, standard stud, sealed. Introduction of cams and types of cam and followers. Analysis and simulation of cam follower mechanism using.
Currently, campdf has test coverage of about 50%, as reported by build testcover. Several mazda websites do not have fond memories of this particular company. A camfollower mate is a type of tangent or coincident mate. What is cam and follower types of followers explained. Me 4201 machine design lab section 3 group 4 experiment 4 cam follower experiment jordan gautreau khalil hamed dallas amond michael mannino abstract a cam follower system is a very simple mechanism used to control and convert one type of motion to another type of motion. However, the manufacturing of cams is expensive and the wear effect due to the. Overview cam follower automaton adafruit learning system. What are the applications of different types of cam. For example, the product data is created during design. Background and theory the cam follower experiment is a representation of a mechanical system in 4 which a cam is used to increase the mechanical efficiency of the system. Cam followers, roller followers select, configure, order. There are three major parts in the setup as shown below. The cam rotates usually at constant speed and drives the follower whose motion depends upon the shape of the cam.
Hello, i am making a 4 cylinder engine assembly and i am having difficulty for constraining cam with the cam follower. Ppt cam and follower powerpoint presentation free to. Tushar kiran et al analysis and simulation of cam follower mechanism using polynomial cam profile 214 int. A familiar example is the camshaft of an automobile engine, where the cams drive the push. Background and theory the cam follower experiment is a. This video explains the concept of cam and follower mechanism used in an engine, with the help of a live example that shall prove to be helpful for engineering students.
Cam and follower design basics design of cam profiles. The driver is called the cam and the driven member is called the follower. With the rotation of the cam, the follower the shaft with the roller at bottom in the above picture gets oscillated or translated according to the profile of the cam. An experimental study of the effects of cam speeds on cam.
After the model was validated, a controlled impact and overtravel mechanism was designed, manufactured, and assembled to a simplified industrial camfollower system, the cam dynamic test machine cdtm. The accuracy of the output or the follower will depend on the cam and follower being in contact at all times. The velocity of any cam follower can be calculated using the deferential method provided you have the equation relating the angular. A cam is a rotating machine element which gives reciprocating or oscillating motion to another element known as follower. The data required for various functions are passed from one application software to another in a seamless manner. The camfollower is might be gravity type or spring loaded. Rotating cam rotating follower figure 69 simdesign oscillating cam. More than 14 million products are available in our online shop. A project report on cam follower utility in internal. Since the cam follower is supported in a cantilever position, the mounting hole diameter should be prepared without play between the stud and the hole especially when heavy shock loads are applied.
Cam followers, roller followers misumi online shop. Clearance the radial internal clearances of cam followers are shown in table 4. Cam jumps out of the slot, cannot drive the contraint, cam will only travel so far and then stop and give you constraint errors, will work in one direction driven but play it back and it fails, etc etc etc. They can be used on conveyors and process transfer lines in many different industries including packaging, food processing, power generation, recreation, automation, transportation, wastewater treatment, metal processing, and more. Depending upon the accuracy the camfollower are selected and according to speed variation. A cam follower, also known as a track follower,1 is a specialized type of roller or needle bearing designed to follow cams show more.
A1928 download data by searching for the corresponding model number on the technical support site. A cam is a mechanical device used to transmit motion to a follower by direct contact. A cam follower, also known as a track follower, is a specialized type of roller or needle bearing designed to follow cam lobe profiles. I have attached another file to understand the connection betwwen the cam and follower. A follower is a component which is designed to move up and down as it follows the edge of the cam. I have used a cam mate to mate my cam and follower and when i move it in model view it works fine, they stay together. Our standard integral flange construction of stud version bearings helps maintain bearing. Cams can provide unusual and irregular motions that may be impossible with the other types of mechanisms.
The cam analysis machine cam has been designed to enable students. It allows you to mate a cylinder, plane, or point to a series of tangent extruded faces, such as you would find on a cam. Experimental analyses are done with the objectives of. Knief edge follower, roller follower, spherical follower, flat. Cam follower roller bearings stud type track follower. Almost always the cam is the driver and the follower is the driven. I am trying to find the theoretical acceleration of a flat faced cam follower but it keeps flying off when i simulate it. All mcgill inch studtype cam followers include an oil hole plug for closing off each unused hole to help prevent contamination. If i run basic motion or animation in the motion study, they seem to stay together. This article will discuss the calculation method of the velocity of cam follower. Group 1 cam and follower project by jeff adkins on prezi.
Cam follower mechanism spring 3d cad model library. Cam follower mechanical engineering general discussion. In a cam follower pair, the cam normally rotates while the follower may translate or oscillate. Cam follower roller bearings are specifically designed to follow cams or tracks on a wide range of linear motion systems. Additionally, misumi offers a variety of cad data for free download. Rotating camrotating follower figure 69 simdesign oscillating cam.
Research article cam follower mechanism simulation. They are available in two basic mounting styles for use in mechanical automation or linear motion applications. The cam transfers rotational motion into linear motion by rotating the cam by a shaft connected to an electric motor. The presented computerized approach and the obtained results can be helpful for tolerance allocation tasks of disk cam mechanisms with a flatfaced follower. Additionally, pdflib is a commercial package not on cpan. Pdf mechanical error analysis of disk cam mechanisms. If m is the effective mass of the follower, then the driving force required to accelerate the follower. Computer integrated manufacturing cim encompasses the entire range of product development and manufacturing activities with all the functions being carried out with the help of dedicated software packages. This cam follower is suitable for use in a broad range of linear and motion translation applications including process transfer lines, ram support rollers, conveyors, machine tools, and indexing equipment, among others. A cam follower roller bearing also called track follower is a specialty roller bearing designed to follow tracks or cams and in a wide range of linear motion systems. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Ill have to find more informationstay away for now. Simulation model of cam follower mechanism with 345 polynomial cam profile.
The following picture shows three followers which stay in contact with the cam as it rotates. Simple line follower robot complete project report ebook free download pdf. Then, a new threemass, twodegreeoffreedom dynamic model was created. You can make the profile of the cam from lines, arcs, and splines, as long as they are tangent and form a closed loop.
The dynamic synthesis and analysis of the one degree of freedom model, mechanism. Cam and follower free download as powerpoint presentation. Me 4201 machine design lab section 3 group 4 experiment 4camfollower experiment jordan gautreau khalil hamed dallas amond michael mannino abstract a camfollower system is a very simple mechanism used to control and convert one type of motion to another type of motion. It is normally connected with a prime mover, which rotates it. Then, plug the circuit playground express cpx into you computer over usb make sure to plug into the cpx usb port, not the one on the crickit, which is used for occasional firmware updates click the reset button on the cpx once to enter bootloader mode. Cam follower nominal life the basic static load rating c 0 refers to the static load with constant direction and magnitude, under which the calculated contact stress in the center of the contact area between the roller and the raceway under the maximum load is 4000 mpa. Cam mechanisms are widely used because with them, different types of motion can be possible. We will discuss the differential method for finding relation between the angular velocity of a cam and the linear velocity of a follower. F mf af let s be the follower spring stiffness and xo the initial compression of the spring. Cam follower with tapped greasing hole model cft b3. Cam followers are often used on conveyors, process transfer lines, such as those used int industries such as. Tsai department of mechanical engineering, national cheng kung university, tainan 70101, taiwan, republic of china m. Cam and followers are mainly used to transfer rotory motion cam into reciprocating of oscillating motion of follower.
345 633 1025 944 130 859 633 1554 623 1595 1005 820 1086 129 36 1313 139 471 955 121 1471 1410 267 526 391 513 1479 1089 1146 556 17