Woodworking jigs make projects go faster as well as providing accuracy and safety. With this jig i am again using the indexing discs, to drill holes in a sequence on the drill press. A fence is especially useful for drilling rows of precisely placed holes. The responsibility of maintain the accuracy of the hole is now shifted from the operator and given to the jig.
I start by deciding how many spirals the piece is to have. Design and fabrication of work holding device for a. Design, fabrication and automation of indexing drill jig. Index termsindexing, drilling machine, drill jig, automation, productivity, steel, lead time. An automatic indexing drill jig has been designed and fabricated and installed in a drilling machine. Indexing jig is used to drill holes which are spaced equally along a circle. Part 2, indexing drilling jig, video by bushmaster. Thin parts are stacked one above the other for drilling at one time. Drill jig helps to drill, ream and tap at a much faster speed and with great accuracy as compared. The new fluting jig is full adjustable to suit faceplate and spindle work.
The present invention includes the apparatus and method to create an improved loose tenon joint with multiple arculate mortise surfaces and similarly configured loose tenon member for woodworking applications. These are special work holding and tool guiding device. Also, boring holes in a small workpiece is a snapjust clamp the piece to the fence at any angle and drill the hole. To drill more in that same line, reposition the jig so the last hole drilled lines up with the 1. May it be a drill jig or a drill fixture the necessity of a clamping device is inevitable.
To skip holes without losing alignment, follow the instructions in the section using the indexing pin, but after repositioning the jig, skip four holes and drill only the last shelfpin hole. A plate 2 having holes at the desired positions serves as a which is fixed on component 1 to be drilled. Drill passes through the steel bushings during drilling operation. Oct 14, 2016 channel drill jig channel drill jig the workpiece is located and clamped to a base that is suitable for a number of operations. Jig design guidelines the process of inserting and withdrawing the component from the jig should be as easy as possible. Commercial jigs are available, but when i saw the bushings available from lee valley, decided to try my hand at making one. Abstractan automatic indexing drill jig has been designed and fabricated and installed in. Initially the component was designed, modeled and edited to get the necessary details for designer of the jig. Understand the purpose, principle of operation and field of application of the given machine. Drill guide for use with indexing on lathe the need for this jig arose when i decided to embellish an icicle ornament with swarovski crystal rhinestones. Ample space should be left between the jig body and the component for hand movements. Project the other required views from the view from the front complete views. The fig shows a simple indexing drill jig to produce four radial holes in the workpiece shown. By means of indexing device a hole is drilled then the work piece is moved indexed to next position under the drill bush for drilling automatically.
Plate drill jig workpiece profile is located by six location pins. Drill jig makes it possible to drill, ream and tap holes at much faster speed and with great accuracy as compared to holes produced by conventional. Design and fabrication of indexing set up for drill jig. Jigs are made as needed and then held onto forever. It is a supporting device which holds the work, guides the tool and also locating work piece. Some means of ejection should exist to release the component if it sticks in the jig. The example above shows a drill jig designed to drill 4 holes equally spaced. Channel drill jig channel drill jig the workpiece is located and clamped to a base that is suitable for a number of operations. This is a sketchup designed, laser cut jig for drilling holes in a circular array in small pieces of timber. In this example four equally spaced holes are to be drilled on the periphery of the workpiece. The only catch is that you need a jig to help you hold and position your workpieces as you make the cuts.
The workpiece is clamped to the indexing plate with use of a cwasher. This indexing drill jig is used to create four equally spaced radial holes in a workpiece. The main purpose of indexing drill jig is to eliminate. Pdf design and fabrication of indexing set up for drill jig. Indexing jigs to drill holes in a pattern indexing arrangement. I was surprised at the interest in the jig that i made to cut tire treads for model toys and other things. Also, you can create a jig and fixture by yourself to do an operation easily. Indexing drill jig free download as powerpoint presentation. Manufacturing processesiii drill bush locator the drill bush locator is illustrated in figure 4.
Jigs are mainly used for mass production and for interchangeable parts concept in the manufacturing of the indexing system. At its simplest, a box joint jig is an auxiliary fence with an indexing key that you attach to your miter gauge. Mark the location and overall dimensions and add the part numbers on the drawing. Mfg tooling 07 jig design university of northern iowa. Indexing is to move from one set position to another in order to carry out a sequence of operation. After drilling the first hole, move the board, drop the indexing pin into the hole and drill the next hole.
Table box joint jig includes indexing keys for 14, 38 and 12 box joints. Make sure that the indexing key extends out the front side of the sled and that the flat face of the key is down. Plate drill jig easy loading and unloading of workpiece chip removal by providing clearance between plate and the workpiece. 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.
Girish assistant professor department of mechanical engineering, mlr institute of technology, hyderabad abstract the employment of jigs and fixtures is an important aspect of workshop engineering for the. Selfcentering drill press jig harbor freight tools. Parts indexing pin drill bit jig connector fence 1. This jigs selfcentering bit cleared chips better than its competitors thanks to a larger cutout on both sides of its body. The workpiece is located and clamped to a movable member that can be indexed to bring the workpiece to the required position relative to the cutter or drill bush and then locked in that position untill the feature is being machined. A drilling jig is provided to axially guide a drill bit for boring a series of adjoining holes forming a mortise, and a router bit is provided to form a cooperating tenon. Assembly and details machine drawing pdf slideshare. With autodesk gallery, you can view and present 3d model and file easily online.
The self centering jig takes the guesswork out of centering tubes, pipes, dowels or any other round stock. Add an adjustable fence to your drill press to make it a lot handier for woodworking projects. So jigs and fixtures are used and serve as one of the most important facility of mass production system. Design and analysis of indexing type of drill jig iosr journal. Now reposition the jig with the indexing pin inserted in this single hole and drill the remaining five holes. Scribd is the worlds largest social reading and publishing site. Some older demountable routers have a 42mm collar so we will supply a 0. Drill jig components, such as bushes, fasteners, jig body and indexing mechanisms, are also explained. Quality of the performance of a process largely influenced by the quality of jigs and fixtures used for. Routers with collar sizes up to 65mm diameter can be fitted. Drill jig with r h and l h components simultaneously february 12, 2008 nageswara rao posinasetti 78. Begin with the view from the front, by drawing first, the main parts of the machine and then adding the rest of the parts, in the sequence of assembly. Spiral layout and indexing jig michael foster, breezy hill turning after posting a picture of lobelia, several people asked how i laid out the carving. Pdf design and analysis of indexing type of drill jig.
If using the xl box joint jig on a router table equipped with a router lift, you can drill a hole in the mdf base to provide access for the adjustment handle. Types of drill jigs and fixtures machine tools engineering. Mar 11, 2017 this is a sketchup designed, laser cut jig for drilling holes in a circular array in small pieces of timber. Drill jig is device to ensure a hole to be drilled, tapped or reamed in the workpiece at proper place. It is a supporting device which holds the work, guides the tool and also locating work piece in its position during machining drilling process. In the context of the advanced technology engineers and scientists have visualized and conceptualized many designs and success of their designs and concepts is the materialization of their designs. Design and fabrication of indexing set up for drill jig irjet. Host david thiel demonstrates how to make a jig that keeps shelf pegs neatly in a row. Simple indexing jig designed for drilling four holes in a steel collar. In this work main focus is given to the shaft which is to withstand the weight of the drill jig and the work piece while. Position the bit and collar in the storage slot on the back of the jig with the collar in the positioning recess and the cutting edges. Are you looking for the notes on jigs and fixtures. It is a supporting device which holds the work, guides the tool and also locating work piece in its position during machiningdrilling process.
Chuck a straight router bit with a diameter matching the width of the indexing key in your tablemounted router. That dimension dictates how far apart the holes will be. If it is an even number, or one that i can use the indexing on. The rotating pin and indexing plate are locked in place with the indexing lever and a locking pin. The main object of reducing indexing time is achieved with the help of hydraulic jack which help the drill jig to be indexed by 1800 for drilling holes on top and. Drill jig consists of a clamping device to hold the part in the position under hardened steel bushings. The jigs and fixtures are the economical ways to produce a component in mass. Unit 3 design of jigs design of jigs national institute of. This jig makes multiple, evenly spaced holes and assembles easily. Study of ejecting devices, table fixing arrangement, and the indexing device. There are several types of jigs and fixtures available in the market.
Pdf design and fabrication of indexing set up for drill. Indexing arrangement standard indexing jig with a base of standard angle iron. So today we will study the definition, types, advantages, disadvantages, application, and also the difference between jigs and fixtures also at the end of the article, i will give a pdf downloadable link so that you all can download the pdf and read about jigs and fixtures offline. Adjust the gap between the bit and the indexing key to equal the diameter of the bit. Drilling jigs design of jigs, fixtures and press tools.
Design and fabrication of work holding device for a drilling. Worked examples for jigs and fixtures wiley online library. This jig is used for quick drilling of equidistant holes on the circular surface of the work piece. A jig differs from a fixture in the sense that it guides the tool to its. My version adds the stability of a sled and a sliding fence to make adjusting the fit easier. Spiral layout and indexing jig upper valley woodturners. Design and fabrication of work holding device for a drilling machine. The drill 21 is guided through these holes of the template 2 and the required holes are drilled on the workpiece at the same relative positions with each other as on the template. This chapter provides a brief outline of the various types of jigs used, such as plate jig, solid.
Drill jig helps to drill, ream and tap at a much faster speed and with great accuracy as compared to holes done conventionally by hand. This is a typical example of drilling four holes which are equispaced in an inclined. Find a large selection of shelving jigs, shelf pin jigs, tenon jigs and more at rockler. In this design of indexing type of drill jig for a casted component can be explained in a systematic procedure. The jig features a heavy duty extruded aluminum construction and convenient ruler markings. In order to increase the production rate, reduce the labor effort and also to reduce the lead time, for all these purpose new indexing type of drill jig is used. I have an idea to make the indented indexing discs with out a indexing rotating table, will work on it and post it next week. The official platform from autodesk for designers and engineers to share and download 3d models, rendering pictures, cad files, cad model and other related materials. By selling directly to end users we provide the best quality products at the best price to professionals and hobbyists.
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