May 23, 20 the highest i could go with my index plates was 96 and they were too small to reach these high numbers. A dividing head, or indexing head, is a machine tool attachment that allows a work piece to be rotated in precise, predetermined increments for machining of repeated profiles. Arduino dividing head indexer for making clock wheels. Dividing indexing heads ellis dividing head manual. Steve bedairs 9 x 20 lathe site gladewater, texas 122003. Indexing headdefinition, methods in detailall formula. Pdf milling and dividing head maranata parada sastra lubis. I believe that there are some pdf files floating around that would contain a course on how to use dividing heads.
For instance, if a section of round steel bar needs a hexagonal profile machined into one end, a dividing head could be used to rotate the bar in precise increments to machine each flat section of the profile. Front index plate with locking pin or locating slot in the index plate having 24 slots holes and second slide odd no 5 slot pin and 7 slot pin spindle and other parts are hardened ground, toughened change gear are of alloy steel. On the first sheet, enter the available hole plates across the fifth row of the sheet this information will be automatically copied to. Super indexing spacer dividing heads and indexing spacers 826 3jaw chuck mounted in addition to all of the features of the simple indexing spacer, the super indexing spacer incorporates a worm gear and is supplied with a face plate. Its done good work just the way it is, but i want it to be able to take the standard taig spindle chucks for transferring work from lathe to mill while.
Im getting close to finishing a dividing head that is pretty close to the unit prescribed in gingerys dividing head and deluxe accessories. Bs0, bs1 semiuniversal dividing head is a simplified type of universal index center and can be used for direct and indirect dividing. The information posted here has been collected from a variety of sources. The homges universal dividing head is designed for all types of gear cutting. This operation can be done in both plain and universal dividing head. This project really proves the worth of a simple lathe fitted with only a faceplate and centers. I use the term dividing head loosely as this applies to any situation where the angle of rotation is controlled by holes placed round a circle, or the teeth around the periphery of a gear. Manufactured in taiwan the vertex dividing head is a tool that is used to divide a circle into equal spacers. The direct indexing is also called rapid indexing, and it is used when a large number of pieces are indexed with a small division. All you need to do is enter a value for divisions and click the calculate button. The continuous readout drum dial allows reset to any position. Build electronic indexing head academy of lagado academy of lagado. Before we get down to using a dividing head it will be necessary to establish the set up required to achieve the required division. Dividing head calculator is a simple program to help mechanical engineers and students.
The dividing head is also known as book 6 from the best selling 7 book series, build your own metal working shop from scrap. An indexing head, also known as a dividing head or spiral head, is a specialized tool that allows a workpiece to be circularly indexed. Insert the dividing plate with the counter bores facing out and secure it with the provided screw. This can be a commercial unit as shown at the right, of a shop built device using various gears and plates as a reference. Indexing with a dividing head and creating a mathematical solution, through use of gears, to solve an issue of not having the correct number of.
How to use the dividing head and calculations youtube. However, my machining skills and tools were limited and the project was a failure. Weve made every effort to be exact with the instructions, specifications, drawings, and photographs of the dividing head we used when writing this manual. It has a detailed section on using the dividing head. Dividing indexing heads ellis dividing head manual up click on the thumbnail images to enlarge adobe pdf document document. Pdf milling and dividing head maranata parada sastra. These dividingindexing heads work quite well in the home shop. On our dividing head the worm wheel is mounted centrally inside the head block. Using a dividing head and a vertical milling machine to cut flats on a shaft. Apr 18, 2017 dividing head calculator is a simple program to help mechanical engineers and students. Bs1 dividing head set, 5 center height, 10 swing, with 6 chuck, tailstock, dividing plates, and more. These dividing indexing heads work quite well in the home shop. This allows me to pull the unit out of the cabinet and put it in the milling vise very quickly.
There was another thread i had started to discuss the possibility of building a dividing head. The divide head and rotary table are a device used to rotate the work piece around a third machine axis, this is usually referred to as the c axis and is commonly used on milling machines or borers to provide the ability to easily create accurate single or multiple machining operations around a component. This is an online calculator to calculate what indexing plate to use and number of holes to skip for a given number of divisions. Thats a keeper a brown an sharp universal dividing head.
Way more information than you ever wanted on how to fell a tree. I need to replace the worm gear used in my metal band saw 2. Bs0 semi 5 indexing dividing spiral head 3jaw chuck tailstock cnc milling new. In this case the dividing plate is always permanently fixed in position. Jun 27, 2018 4 sep 2009 i have bought a lw chuck co dividing head, complete with a tailstock, and detailed instructions about differential indexing, using change 2 sep 2011 an indexing head, also known as a dividing head or spiral head, is a specialized tool that allows a workpiece to be circularly indexed. Dividing head calculator free version download for pc. The divhead program on my website will calculate turns and holes for any dividing head. Dividing plates the model g1760 dividing platesare designed for the model g1049 6 rotary table. Differential indexing using a dividing head youtube. Chief among these is the universal indexing and dividing head, which is one of the most remarkable elements in machine tool design, by reason of the very high degree of precision embodied in it. Used to divide circumference of workpiece into equally spaced divisions when milling gear teeth, squares, hexagons, and octagons. Pdf containing an exploded view of the external parts of. Bs0, bs1 semiuniversal dividing head is a simplified type of universal index center and. Designed to help his father with the calculations to cut varying number of toothed wheels.
Dividing heads and indexing spacers 826 3jaw chuck mounted in addition to all of the features of the simple indexing spacer, the super indexing spacer incorporates a worm gear and is supplied with a face plate. The use of a dividing head, a rotary table, or working out the x and y coordinates for use with a compound table. Bs1 dividing head set, 5 center height, 10 swing, with 6. I mounted my dividing head on a sturdy aluminum rail. A record of various projects, suggestions and tips for using libreoffice, and other personal miscellany. The model dh910 incorporates the features of our series dh9 and dh10 dividing heads. Dividing plates can be used to create bolt circles, gears, polygons, and so on. This calculator can be used for both rotary tables and indexing heads. As many know, i like to build my own tooling and try to show the home hobby machinist how to make decent quality tooling without the big cash outlay required to purchase it. Dec 27, 2015 so heres the journey along these rabbit trails ending with the dividing head. If you are working with a manual machine, rather than a cnc machine, the easiest way would be to get a copy of the machinery handbook. Pdf containing an exploded view of the head and a parts list.
The goal of this project is to build a dividing head from an inexpensive spin indexer and parts borrowed from the gingery dividing head project. Indexing is accomplished by using a special attachment known as dividing head or index head as shown in fig. The same remark applies to feeds, to be considered in another article. Oct 21, 20 using a dividing head and a vertical milling machine to cut flats on a shaft. Also, owing to our policy of continuous improvement, your dividing head may not exactly. The center face can be tilted from a horizontal positionof 90. I have one that willdospiral millimg but it wont differential index. Dividing is not about moving through a certain angle but is more about dividing a whole circle into a specific number of parts.
With the most common ratio between dividing plate and the output spindle being 40. Dividing heads dividing the circle as one might expect from the name, the dividing head is all about dividing. So heres the journey along these rabbit trails ending with the dividing head. Discussion in horological tools started by allan wolff. You supply it via a text file the gear ratio and a list of the hole plates you have, then, at run time specify the number of divisions required and it returns the turns and holes. Excel spreadsheets for dividing heads the home machinist. The most common use is in the accurate manufacture of splines, gears and keyways that are required to be at a specific angle to each other. A dividing head anyone can build the hobbymachinist. I had previously attempted to build a dividing head for the taig lathe according to tony jeffrees site. Bs1 dividing head set, 5 center height, 10 swing, with. If now attempting 9 divisions 40 degree spacing and using a dividing head with a 40. Myford dividing head attachment manual free download as pdf file. International 12 dividing head super spacer manufacturer. When using the universal head, the worm and worm wheel are first disengaged.
Dividing head rebuild and update after using this dividing head for a few years, and doing a lot of. The semiuniversal dividing head is just like the plain dividing head but the spindle can be tilted. The main object of a dividing head is to divide work into equal angular parts or to rotate it through a required angle. The dividing head the key to making accurate gears is the dividing head.
The indexing feature helps prevent errors during the repetitive adjustments required in indexing work. The head and back centre, are shown in the photo fig. Dividing head one of the more important attachments for milling machine. They can be right or left handed depending on which end you have it assembled. Indexing heads are usually used on the tables of milling machines, but may be used on many other machine tools including drill presses, grinders, and boring machines. Using dividing plates with the rotary table dividing plates allow you to precisely divide a circle into a number of divisions or degrees. On the first sheet, enter the available hole plates across the fifth row of the sheet this information will be automatically copied to cells on the second sheet. With the further addition of the optional dividing plate set, it can also be used as a dividing head. These high quality dividing heads are made with demanding care for precision gearcutting, sharpening milling cutters, reamers, etc. On the plain dividing head there is simply a fixed horizontal spindle that is rotated using a worm mechanism. Use of dividing head free download as powerpoint presentation. However, when found, they often have no documentation with them. The info would probably also be useful with a cnc machine. A dividing head is a tool that is used to divide a circle into equal divisions.
Dividing heads come complete with 3 dividing plates, 1 tailstock, 1 chuck back plate, 1 centerdog and 1 center. A shift lever on the top of the unit transfers operation from one mode to the other. The exact year he began using his revolutionary new machine is somewhat uncertain, but since the. The plain dividing head comprises a cylindrical spindle housed on a. Dividing plates can be installed onto the g1049 6 rotary table to achieve a higher precision of hole placement, spot facing and gear making. I have used mine on both a 7 shaper and a knee mill with a 6x24 table.
Also used to rotate workpiece at predetermined ratio to. International 12 dividing headsuper spacer manufacturer. I am not refering to degrees or radians, so dont think in those units. Use of dividing head gear machines free 30day trial scribd.
On the second sheet, change the worm gear ratio to suit your dividing head, on the first sheet change the degrees per turn to suit your dividing head. Have you ever tried to lay out a circle divided into say, 37 equal parts. While i have, by now, a general idea how it works, and some math background that is enough to figure out the basics, i would like to learn a little more about the intricacies of using a dividing head. The dh910 can be used for 5 degree indexing or continuous rotation readout. Manual pdf parts list pdf overview these high quality dividing heads are made with demanding care for precision gearcutting, sharpening milling cutters, reamers, etc.