Fabrication of dual side shaper machine using scotch yoke. As the disc rotates the top of the machine moves forwards and backwards, pushing a. Browse and download hydraulic machines books of various titles, written by many authors and published by a number of publications for free in pdf format. Dec 18, 2014 the shaper machine is a machine that can make slots and grooves using a thin cutting tool.
As the ram moves at a faster rate during return stroke, the time taken becomes less. You can expect to find all of the following types of question in a typical mechanical aptitude test. Shaper machine principle, types, application, advantage. The chuckoperating mechanism is ordinarily operated to open each chuck after the same arrives at a certain station to allow the finished article held thereby to be removed and replaced by an unfinished article. It is made by cast iron and move over ways on column. Century series operation, safety, and maintenance manual em144 included is a copy of ep205 lubricants to. Explore shaper machine with free download of seminar report and ppt in pdf and doc format. Cc series mechanical shear operation, safety and maintenance manual em296 included is a copy of ep205 lubricants to download files, add to cart, check out you will receive an email with the download link.
In modern era, whole mechanical shaper machine is replaced by hydraulic shaper machine due. Wittchen robotics and mechanisms laboratory, department of mechanical engineering, university of victoria, po box 3055, victoria, british columbia, canada, v8w 3p6. Animation of quick return mechanism,shaping machine youtube. Quick return mechanism for shaper machine hydraulic circuit free download as powerpoint presentation. A shaper is a machine used for shaping metal removal operation on the work piece. The term hydrostatic refers to the transfer of energy from pressure differences, not from the kinetic energy of the flow.
Mechanical reasoning tests are used to select for a wide range of technical occupations. Mechanical reasoning designed to assess your knowledge of physical and mechanical principles. Initially common internal spline and keyway cutting inserts and insert shanks for blind hole or through hole applications are available. A shaper is a type of machine tool that uses linear relative motion between the workpiece and a singlepoint cutting tool to machine a linear toolpath. This video contain withworth quick return mechanism detail explanation and animation of quick return mechanism. In a hydraulic shaper machine, a constant speed motor drives a hydraulic pump which delivers oil at a constant pressure to the line.
Research article cylinder position servo control based on. The shapermechanist universe is the setting for a series of science fiction short stories and the novel schismatrix written by the author bruce sterling. Slotter machine is defined as a machine tool uses for removing unwanted material chips from the workpiece to make splines, grooves and more. Design and fabrication of hydraulic ram pump mechanical project abstract this project report is about designing a hydraulic ram pump to transfer water from a river into a water tank with given dimensions and conditions. The stories combined cover approximately 350 years of future history, for the period ranging from ad 22002550. Download ebooks for free from engineering study material site. For example, pulleys, levers, simple electrical circuits etc. A shaper operates by moving a hardened cutting tool backwards and forwards across the workpiece. The invention has as an object to provide a hydraulic chuckoperating mechanism which is positive and precise in operation.
Learn mechanical is a community portal for mechanical engineering students. While the feed motion is supplied by the mechanism illustrated in this report the shaper feed mechanism. Shaper is machine tools which produce a flat surface. Kinematic analysis of shaping machine based on adams. As the ram reciprocates, the tool cuts the material during its forward stroke. This mechanism is called slotted lever quick return mechanism and it drives a horizontal ram which reciprocates in the guide ways provided on the top surface of the machine frame.
Hydraulic fracturing remains a possible mechanism for observed methane contamination of drinking water davies 1 agrees that methane contamination of drinking water has occurred in aquifers overlying the marcellus formation but asserts that we prematurely ascribed its cause to hydraulic fracturing 2. Research article observer based robust position control of a. Shaper tool head files 3d cad model library grabcad. Set the work piece in the vise with parallel blocks at the bottom. Motion analysis was carried out on the working device of shaper.
Hydraulic type by moving the work piece across the path of the reciprocating tool a flat surfaces is generated regardless of the shape of the tool. A dual side shaping machine for industrial applications. The gear arrangement is totally replaced by a double acting hydraulic cylinder. The hydraulic ram pump designed is believed to be the most suitable and efficient for the given conditions based on.
Get shaper machine at best price with product specifications. A characteristic feature of mobile hydraulics is that the valves are frequently manually operated. Quickreturn mechanism design and analysis projects. Crank length can be varied by a screw mechanism the stroke is changed. Principle and working of shaper machine engineering tutorials. In the case of stationary hydraulics, however, mainly solenoid valves are. Here the ram tool attached moves reciprocating, whereas in shaper the ram moves horizontally. International journal of mechanical engineering education 322 quickreturn mechanism design and analysis projects ron p.
It holds the tool and provides the reciprocating motion to it. Hydraulic shaper mechanism in this type of shaper machine mechanism, the ram is moved forwards and backwards by a piston moving in cylindrical placed under the ram. It depends upon the distance between the centre of the bull gear and the centre of the sliding block. The machine is consists of a constant discharge oil pump, a cylinder, a valve chamber and a piston. It is attached by the rocker arm which provide it motion in crank driven machine and if the machine is hydraulic driven it is attached by hydraulic. Hydraulic shaper machine diagram, working, advantages a typical hydraulic drive for horizontal shaper is shown in fig. Dual shaper machine reduces the production cost as well as the time. Hydraulic shaper machine diagram, working, advantages.
The shaper is a reciprocating type of machine tool basically used to produce horizontal, vertical or inclined flat surfaces by means of straightline reciprocating singlepoint cutting tools similar to those which is used in lathe operation the flat surface produced may be horizontal, vertical or inclined at an angle. The cutting speed of the hydraulic shaper is infinitely variable by means of hydraulic controls, as is the cross. The position of stroke can be altered by changing the position of pin on the ram. Fabrication of dual side shaper machine using scotch yoke mechanism veldi kanakaraju, assistant professor in dept. The forward and return strokes constitute one operating cycle of the shaper. A shaping machine is also called shaper is mainly used for producing flat surfaces, which may be horizontal, vertical or inclined. A constant speed motor drives a hydraulic pump which delivers oil at a constant pressure to the line. Inside the hollow portion the machine drive mechanism is housed.
A quick return mechanism is an apparatus to produce a reciprocating motion in which the time taken for travel in return stroke is less than in the forward stroke. I fully understand the operation of a mechanical shaper and feel confident that i can choose a good mechanical shaper. Also explore the seminar topics paper on shaper machine with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019 2020. Andhare construction of the shaper table vise ram tool slide. The length of stroke and position of stroke can be changed. There is reciprocating motion of the mechanism inside the shaping machine.
In this portal, you find almost every topic you are looking for. Difference between shaper and planer, pdf august 2, 2018. The reciprocating movement of the ram and the quick return mechanism of the machine. Quick return mechanism for shaper machine hydraulic circuit scribd. Why is the crank slider mechanism suitable for this type of machine especially the motion of the cutting tool. The simulation model of the shaping machine is established based on the multimechanical system simulation software adams. Hydraulic drive the hydraulic shaper has the same major parts as the mechanical one. Mechanisms used in dual shaper the mechanism used in the dual shaper is explained below. Complete the diagram below by adding the missing parts that make up the crank and slider mechanism. A wide variety of hydraulic shaper machine options are available to you, there are 231 suppliers who sells hydraulic shaper machine on, mainly located in asia. Shaper machine seminar report, ppt, pdf for mechanical. Dimensional analysis and model studies introduction dimensional analysis is a mathematical technique which makes use of the study of dimensions as an aid to the solution of several engineering problems.
Seminar on shaping machine pdf report free download learn. Pdf hydraulic operating mechanisms for high voltage circuit. A wide variety of hydraulic lift mechanism options are available to you, such as scissor lift, telescoping lift, and lift chain. Shapers, hydraulic vs mechanical practical machinist.
The reciprocating movement of the ram and quick return mechanism of the machine usually obtained by any one of the following methods. The workpiece is fixed on the table and the ram holds the single point cutting tool. In a standard shaper metal is removed in the forward cutting stroke, while the return stroke goes idle and no metal is removed during this period. A usual shaper machine operates by a principle of whit worth quick return mechanism where materials are processed at one end and other end remains idle. The following mechanisms are used for quick return of the ram. In a manufacturing shop, shapers and planners are the commonly used machine tools.
The lever is a link, the fulcrum a joint, and the ground is also a link. Automotive panel manufacturing for increased energy and material savings. A hydraulic drive system is a quasihydrostatic drive or transmission system that uses pressurized hydraulic fluid to power hydraulic machinery. It consists of oil pump, valve chamber, a cylinder, piston, oil reservoir and. Based on the position of the reciprocating ram used. Syllabus covers subjects such as manufacturing processes, mechatronics, world class manufacturing systems, production management. When analyzing or designing a hydraulic circuit, the following three important considerations must be taken into account. Certain time is spent in cutting operation depending upon strength of material, speed, feed, depth of cut etc. Shaper cutting inserts, insert shanks, and tool assemblies. Scotch yoke mechanism the scotch yoke also known as slotted link mechanism is a reciprocating. The lever is a 2bar linkage the simplest mechanism, and perhaps the first, is a lever and a fulcrum.
Pneumatic quick return mechanism for shaping machine abstract a pneumatic machine can be thought of as a large flexible mechanical structure that is. It deals with the dimensions of the physical quantities are measured by comparison, which is made with. It is believed that samuel bentham developed shaper machine. The admission of oil to each end of the piston, alternately, is accomplished with the help of trip dogs and pilot valve. Definition, introduction, parts, types, operations, and specifications, with pdf.
This mechanism is known as the quick return mechanism. During return, there is no cutting action and this stroke is called the idle stroke. Principle and working of shaper machine engineering. But in a dual side shaper machine, materials are processed at both. It is a type of machine tool that uses linear relative motion between the workpiece and a singlepoint cutting tool to machine a linear tool path. In the past few months i have seen several shapers crop up in my area, both mechanical and hydraulic. Apr 30, 2018 in the forward stroke, cutting action takes place. Shaper consists of a hollow machine bed made of cast iron which rests on the ground. The idea is to use a shaping machine in the writers case, a very old handoperated machine and to fit to it a mechanism on the lines of that used in some types. Sometimes curved or irregular surfaces are also produced by shapers. Hydraulic arm copyright teachergeek 2006 page dont think of this as a kit.
The top countries of suppliers are china, taiwan, china, from which the percentage of hydraulic shaper. Vise jaws should be perpendicular to the line of motion of ram. Hydraulics and hydraulic machinery notes pdf hhm notes pdf. A regulating valve admits oil under pressure to each end on the piston alternately. In modern era, whole mechanical shaper machine is replaced by hydraulic shaper machine due its ease operation and reliability. The total machining time decreases and the rate of production increases. Diploma course in mechanical engineering aided the diploma courses in mechanical engineering lays emphasis on manufacturing in, design, fluid and thermal in engineering industries. Shaper machine is a reciprocating type of machine that is used for producing horizontal, vertical flat surfaces. Quick return mechanism is mainly used for shaping machine. I have since caught the shaper bug, which is incurable. A simple design of hydraulic shaper mechanism as shown in fig 5. Saravanan b a ug scholar, mechanical engineering, kongu engineerin g college, erode, tamilnadu, india b, assistant professor, mechanical engineering, kongu e ngineering college, erode, tamilnadu, india. Pdf quickreturn mechanism design and analysis projects.
A shaper is a type of machine tool that uses linear relative motion between the. The piston is pushed by the oil and, being connected to the ram carrying the tool. In this project, a dual side shaper machine is designed with the help of quick return mechanism, the rotary motion of the motor is converted into linear motion of the tool which shapes the material mounted on the vice from both the side. Design and fabrication of hydraulic rod bending machine i. In this modern shaper machine whole construction is same, but method of actuation is changed. Strokelength of a ram is the distance the ram moves forward or backward. Remove all dirt and burrs from the work piece and the vise. This example shows an oscillating hydraulic mechanism that consists of a singleacting hydraulic rotary actuator, winch, flow control valve, twoposition electro hydraulic valve, and power and control units. We can make other sizes and shapes not listed on request. On the return stroke of the ram the tool is lifted clear of the workpiece, reducing the cutting action to one direction only. That makes cocomputation of pressure character and mechanism character of a circuit. Here you can download the free lecture notes of hydraulics and hydraulic machinery notes pdf hhm notes pdf materials with multiple file linksthe hydraulics and hydraulic machinery pdf notes hhm pdf notes.
Hydroline standard cylinders can be completely and accurately identified with a model number that encodes con. Hydraulic operating mechanisms for high voltage circuit breakers. Draw an alternative mechanism or combination of mechanisms that will produce the same forwards and backwards motion. Research article observer based robust position control of a hydraulic servo system using variable structure control e. Through the simulation analysis, we can get the kinematics characteristics of each rod of shaper. Fabrication of dual side shaper machine using scotch yoke mechanism written by veldi kanakaraju, boda ramesh, manga hymanjali published on 201907 download full article with reference data and citations. The reciprocating motion of the ram is obtained by a quick return motion mechanism. The linear cutting motion is provided by the whitworth quickreturn mechanism. Hydraulic shaper machine diagram hydraulic shaper diagram working of hydraulic operated shaper machine.
While we do not charge for our service, it does cost us a considerable amount of money to bring all of this content to you. Manufacturing technology notes with pdf learn mechanical. We are proud to offer a new product for machining splines and keyways in cnc machine tools. A quick return mechanism is a type of mechanism which produces a reciprocating motion in which the time taken for travel in one direction is less than in the other. A shaper operates by moving a hardened cutting tool backwards and. Oct 21, 2009 the reciprocating motion of the ram is obtained by a quick return motion mechanism. These are usually obtained by following the four types of shaper machine mechanisms. Mobile hydraulic systems move on wheels or tracks, for example, unlike stationary hydraulic systems which remain firmly fixed in one position. It is attached by the rocker arm which provide it motion in crank driven machine and if the machine is hydraulic driven it is attached by hydraulic housing. What is the purpose of quick return mechanism in a shaper.
On this channel you can get education and knowledge for general issues and topics. Definition, parts, types, working principle, applications, advantages, and disadvantages with pdf. Design and fabrication of hydraulic rod bending machine. Working, advantages, bar feeding mechanism with pdf. The top countries of suppliers are china, taiwan, china, from which the percentage of hydraulic shaper machine supply is 93%, 5% respectively. Shaper machine process of removing metal from surface by the use of a single point cutting tool held in ram that reciprocates the tool in a linear direction across the work piece held on the table of the machine. It should be noted, however, that the hydraulic shaper fig. Design and fabrication of dual side shaper machine project. Pdf quickreturn qr mechanisms feature different input durations for their working and return strokes. All cutting force should be against the fixed jaw of the vise. The mechanism maintains oscillating vertical motion of the weight by raising it to 25 cm and then allowing it to fall.
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