Design a drill jig for drilling on cylindrical surface. The moore tool company, a leader in precision machine tool design and manufacture, produces a complete line of jig grinding machines and accessories. The exclusive jig it drill guide can be used with a drill press or a hand drill to ensure perfectly aligned holes every time. Design of experiments 2 3 with two levels of each factor is used to conduct an experiment for obtaining the most productive jig and assembly line design. Locating elements locating elements position the workpiece accurately with respect to tool guiding elements in the jig. The jig is built in the form of a partly open slot in which the link is moved up against a stop and then clamped with the clamp bolts a, b, and c. The jig i described is not foolproof but the the results are at least repeatable. We focus strictly on the mechanical aspect of the fixture. Design and analysis of box type of drill jig iosr journal. It gives more room for a big handle close to the jig and almost 1 more to sharpen. These are the very early stage of a design im working on for a box joint jig that only requires a single blade.
I would purchase plans that are already out there, but all the ones ive seen are designed for a dado stack. Design and analysis of drill jig for head and cover part. Design and fabrication testing of combined multipurpose jig and. Charles chikwendu okpala, ezeanyim okechukwu c the design and need for jigs and fixtures in manufacturing. Indexing jig is used to drill holes which are spaced equally along a circle. Rane assistant professor, djsce, university of mumbai, mumbai.
The bushes are classified as fixed bushes, renewable bushes and slip bushes. Open jigs are simple operations and it is done on side of the part. Predesign analysis and fixture design procedures tooling for numerical control geometric dimensioning and tolerancing tooling for drilling and reaming grinding fixtures tooling for flexible manufacturing systems and more. Aug 01, 2012 by emphasizing similarities among types and styles, jig and fixture design, 5e speeds readers to a complete understanding of the whys and hows of designing and building a variety of different workholders for manufacturing.
Worked examples for jigs and fixtures design of jigs. In this example four equally spaced holes are to be drilled on the periphery of the workpiece. We found that there is problem in auto part which required three holes of diameter 8. Drilling jig is used whenever it is necessary to drill hole to exact location. The jig is intended for drilling holes at the two faces of the flanges, four in one side and two in the other. In a jig design for manufacturing usage, the jig designer must consider the following points before starting to design the jigs. A jig is a workholding device that supports, holds, locates a workpiece and also guides the cutting tool for the desired machining operations. Drilling may be divided into two general types, open and closed types. Handbook of jig and fixture design, 2nd edition william.
February 12, 2008 nageswara rao posinasetti 86 jig design guidelines. The final design is included the new design and table. Design and analysis of drill jig at variable materials. Find a large selection of shelving jigs, shelf pin jigs, tenon jigs and more at rockler. Introduction to milling tools and their application. Whether youre building your first set of garage storage shelves or making simple repairs around the house, the kreg jig k4 can help you finish the job in less time, and with far less effort than you ever thought possible. Designs jig that are foolproof to prevent any misuses by production operator. Jigs are not clamped to the drill press table unless large diameters to be drilled and there is a necessity to move the jig to bring one each bush directly under the. In this design of indexing type of drill jig for a casted component can be explained in a systematic procedure. Kreg pockethole jig k4 the diyers secret to great projects.
Design jig that can be manufactured at the workshop using lowest costs. The tooling departme nt and hawk machine shop, hal offered tremendous support was of great magnitude during the process of fabrication. These factors are analyzed to get design inputs for jigs and. The design and need for jigs and fixtures in manufacturing.
This is a typical example of drilling four holes which are equi. The term jig applies to a device used to guide a cutting tools usually a drill or reamer. Pdf development of cad software for jig and fixture for. Convert jig to pdf with reaconverter batch conversion software. Fixture design drawings are typically sketches captured on paper. Omit areas such as inside corners, unrelieved pins, or similar features from the design. The kreg jig k4 is the perfect choice for doityourselfers and anyone new to pockethole joinery. So you can save the time and energy you would lose with doing repetitive operations. The jig must, ofcourse, haveholesthe sizeof the drill, which are. Introduction tool design cares with design and development of machines and special tooling, strategies and techniques needed by todays high speed mass manufacture at high potency and productivity 2. While making holes on the cylindrical work pieces lot of problems encountered such as inaccuracy, misalignment, etc. Automatically center tubes, pipes, dowels or any round stock with a self centering jig. Drill jig drill jig design considerations drill jig types 2.
International journal of engineering research and general science volume 2, issue 2, febmar 2014. Jig design nageswara rao posinasetti february 12, 2008 nageswara rao posinasetti 2 fixture a fixture is a means through which a part is securely fastened to the machine tool table to accurately locate, support and hold the part during the machining operation. L081040007 finished component sequence of operations 1. The term fixture applies to a device used to hold a workpiece, such as a welding fixture. Requirement of a drill jig quick and accurate location of the workpiece easy loading and unloading of the workpiece prevention of wrong loading prevention of bending or movement of the workpiece during drilling operation ample chip clearance facility for swarf removal and cleaning. Documenting fixture and jig designs arena solutions. Aug 04, 2015 the application of jigs and fixtures in manufacturing operations lead to the production of faster, more accurate, and reliable products at a reduced cost. Redundant locators restrict the same degree of freedom more than once. The main object of reducing indexing time is achieved with the help of hydraulic jack which help the drill jig to be indexed by 180 0 for drilling holes on top and bottom face of the work piece. Jigs are use for quantity drilling, reaming and tapping for example.
Design and analysis of drill jig linkedin slideshare. Design a drill jig for drilling on cylindrical surface mechanical project abstract. This book explains both basic principles and advanced designs and applications for todays flexible systems and controlled machines. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. The aim of the project is to design a jig for drilling machine to perform drilling operation accurately for cylindrical work pieces.
Next, the chapter discusses a design of a box jig for a pipe elbow having flanges at the two ends which are orthogonal. This design and fabrication which will enable the operation like drilling, reaming, tapping process easier even the job profile are angular. A jig differs from a fixture in the sense that it guides the tool to its. The objecti ve of t hi s project i s to design and development of drill jig. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. International journal of engineering research and general.
I wrote about my experience with a similar jig to riks and provided my alternative solution in mew 176. Basically, jig is a work holding device which also guides the tool. These drill jigs enable unskilled workers to produce components that are accurate as well as interchangeable. Unit 3 design of jigs design of jigs national institute of. Capture the engineering requirements your fixture design must meet, along with any helpful notes, in an electronic format like microsoft word.
Simply set this self centering jig in your drill press, bolt it down and the bit will always hit center with no marking or center punching required. A jig is defined as a manufacturing aid that guides a tool. February 12, 2008 nageswara rao posinasetti 3 jig a jig is a special class of. Jigs can also be guides for tools or templates, as in the furniture industry. But add a drill press and a jig and the job becomes very doable.
This is the most basic type and the simplest form of drill jig used when only a few parts are to. The objective of this project is to design and development of drill jig. The self centering jig takes the guesswork out of centering tubes, pipes. The 1280 series jig grinder is available in three models cpz, cpze and cpwz to address your specific precision grinding requirements. A jig guides the tool during an operation in addition to locating and supporting the work piece purpose and advantages of jigs. Introduction to milling tools and their application identification and application of cutting tools for milling the variety of cutting tools available for modern cnc milling centers makes it imperative for machine operators to be familiar with different types of milling cutters and how they are. To face the many challenges of market these industries should increase. One drawback to this jig design is that you need to drill in from both sides of the workpieces using two differentsized bits to get around the specialty pocket hole bit that has two. Special cramping jigs that ensure squareness are set up so that, for example, a wardrobe can be glued up in one operation by powerdriven rams.
By use the lateral screw that generates lateral force on the center of work piece and then it preventives the deviation for part of work piece from another. Jig and fixture design book cover design brochure design landscape design business card design graphic design logo design tshirt design banner ad design fashion design overview i have an advanced diploma in graphic design, and over 11 years of experience working as a graphic designer for a variety of companies and organizations. The new design is included drill bushing that makes preventive for guide drill from corrosion. Development of cad software for jig and fixture for drilling flanges india paper. If youve ever tried to drill a perfectly straight and centered deep hole in the end of a board, you know that its nearly impossible with a handheld drill. Parmeshwar nagre prashant badak harsh rawlani somesh patil f. The design must allow for room for the hoses and wires. We foun d that ther e is pro bl em in auto part which required thr ee hol es of di ameter 8. The main purpose of making this jig is to perform chain drilling without any need of shifting the job regularly, as the drilling spot is located by the.
Design and fabrication of indexing set up for drill jig. Hendriksen jig and fixture design manual industrial press inc. Avoiding redundant location another condition to avoid in workholder design is redundant, or duplicate, location. The design of a jig should depend altogether on the character of. New version of home made grinding jig this is a picture of the new and improved version sounds like a soap add on tv.
Selfcentering drill press jig harbor freight tools. My friend claude bought some used gouges and they were too short to sharpen with his jig so i modified the plans. It reduces or sometimes eliminates the efforts of marking, measuring setting of work piece on a machine. Drill press centering jig for round objects duration. Abstractan automatic indexing drill jig has been designed and fabricated and installed in a drilling machine. Design a jig for drilling two holes of 10mm diameter on the given workpiece. If you are only using one stone, make the board the width of the stone plus 2 inches wide. Design jig that is easy to operate to increase efficiency. Pdf jig design, assembly line design and work station. Purposes of jigs and fixtures and their design principles nptel. Jig or weld fixture design 12 questions to begin tool. Mfg tooling 07 jig design university of northern iowa. All unnecessary metal should be cored out of the jig body.
See more ideas about drill jig, tool design and drill. The rotation of the drill jig is obtained by the rotating shaft supported in two ball bearings. This chapter provides a brief outline of the various types of jigs used, such as plate jig, solid. Workshop video, carlos shows you how he made a simple pocket hole jig that uses regular countersink wood screws. There is an me design some time ago that fabricated one along the same lines. It is important to you and the team that there is a clear understanding of where your responsibility lies. Jig plate is the major structural element of the drill jig. Design and fabrication of the leaf jig mechanical project abstract this project is based on the need for the work holding devices. Our project is mainly composed of design and fabrication of the leaf.
It should be wide enough to accommodate all the honing stones placed side by side min. Design and fabrication testing of combined multipurpose. The paper gave a detailed definition of jigs and fixtures, and also identified the numerous advantages that are associated with the use of jigs. Figure 17 shows a design of box jig that is suitable for drilling the required holes in an engine link. Three new jig were designed using solidworks software.
Sep 11, 2016 the jig and fixture design procedure 1. The design of the drill jig and fixture was simple keep in mind the fabrication process. Im too cheap to purchase a dado stack, especially until im certain that it will fit my saw, plus i can live without one for at least the next couple months. The design model of the drill jig is created by using solid edge v19 software. Selection of bush fixed type bushes is selected one for each hole to be drilled inner hole loose running fit d110mm f7 length of the bush l120mm l12xd1 general rule outer diameter press fit d218mm h6. Design were evaluate in terms of force applied to the jig. Initially the component was designed, modeled and edited to get the necessary details for designer of the jig. Unit 1 deals with objectives of tool design, functions, types, elements and advantages of jigs and fixtures, principles of location and clamping, locating methods and devices, drill bushes and jig. Chip control must be addressed in the design of any jig or fixture. Because paper files are easy to misplace and get worn over time you should scan all your hard copy drawings. Jig is a fixture with an additional feature of tool guidance. He made the jig out of little more than a chunk of mdf and a length of rod. Jig design guidelines drill jigs should be of light construction, consistent with rigidity to facilitate handling, especially when jigs have to be turned over so that holes can be drilled from more than one side. Design of drill jig free download as powerpoint presentation.
To face the many challenges of market these industries should increase their production rate with good quality and accuracy. Design, fabrication and automation of indexing drill jig. During drilling operation the work part is located on jig. Drilling jigs design of jigs, fixtures and press tools. The objective of this study is to design and analyze the drilling jig which can hold 30 workpiece of small cylindrical parts. Manufacturing processesiii drill bush locator the drill bush locator is illustrated in figure 4. Types of drill jigs and fixtures machine tools engineering.
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