A set of clear instructions, based on the myford unit but applicable to any make, showing how to use the plates and position the sector arms, etc. Dividing heads home workshop green building central. The vdh is very small perfect for mounting on a myford, but in my opinion too small for the tom senior. I believe that there are some pdf files floating around that would contain a course on how to use dividing heads. Methods of dividing on the home workshop lathe are many and varied, but one that has been very popular, especially on myford lathes, is to use a detent which locates into the lathes bull wheel. Myford lathes complete machines myford lathe users page. The indexing feature helps prevent errors during the repetitive adjustments required in indexing work. Myford dividing head for sale in uk view 8 bargains. With the further addition of the optional dividing plate set, it can also be used as a dividing head. Rdg tools was started up by richard dickinson in 1992. Has 3 dividing plates and the indent attachment to index the large spindle gear. I have a myford dividing attachment that i got with my super7 when i bought it.
The westbury dividing head wdh can be likened to a. These two gears amount to a reduction in angular movement between the dividing device, a gear. The main spindle has a 60 tooth worm wheel on it, and a singlestart worm meshes with that. Dividing head rebuild and update after using this dividing head for a few years, and doing a lot of projects with it, i decided it needed a bit of an upgrade. Jun 27, 2018 myford dividing head attachment manual free download as pdf file. Used to divide circumference of workpiece into equally spaced divisions when milling gear teeth, squares, hexagons, and octagons. Myford ltd home page british engineering at its best. Have you ever tried to lay out a circle divided into say, 37 equal parts. Using a dividing head and making one for your lathe by jim sapp using the standard dividing head.
The dividing head the key to making accurate gears is the dividing head. General specification and comparison with the ml7 when it appeared in late 1952 it was immediately obvious that the super 7, although built with the same bedway dimensions as the ml7, was a thoroughly. I believe that there are some pdf files floating around that would contain a. We offer kits to suit either the super 7ml7r lathes 60tooth bull wheel or the ml7 65tooth bull wheel. Contact us address myford ltd unit 78 white lee burnley road mytholmroyd west yorkshire hx7 5ad tel. Theory since, jn order to make the fullest possible use of the attachnent, the theory nust be thoroughly understood this is deaft with first. Please practice handwashing and social distancing, and check out our resources for adapting to these times. Myford dividing head attachment manual machines metalworking. Dividing heads, chucks, metal working and turning parts and accessories at warco, quality machine tools.
A set of clear instructions, based on the myford unit but applicable to any make, showing. This is an updated version of an article published in the october 97 edition of the us publication, projects in metal, which in turn was an update of an article originally published in mew. My dividing head was shand ebay and the instructions were a perfectly legible, elderly, gestetner duplication. Myford dividing head and plates myford dividing head and plates myford dividing head. The dividing sector plate and micro attachment are interchangeable between both machines, as are the dividing plates which have the following counts. Cincinnati universal dividing heads service manual. Oct 15, 2017 experimental tool to be used on myford super 7 head stock for division on the lathe.
I am not refering to degrees or radians, so dont think in those units. We started exhibiting at model engineering exhibitions in 1994. A kit to suit the myford big bore lathes is in the pipeline and will be available shortly. Dividing heads and indexing heads dividing heads and indexers. Myford dividing head myford ltd home page british engineering. However, on inspection, there doesnt seem to be a simple way of dismantling it it looks as though the plunger shaft has been riveted over the knob and would. Suitable for the myford super 7, ml7 and ml10 lathes this item can. The myford dividing head is an excellent piece of equipment, with a very wide range of divisions. Spares counter myford dividing head myford dividing head and plates dividing plate number 1 114911 ref. This can be a commercial unit as shown at the right, of a shop built device using various gears and plates as a reference. Our purpose is to provide information about vintage machinery that is generally difficult to locate. Dividing plate number 2 for original myford dividing attachment part number 1495 hole numbers.
I was thinking of a base that would allow the attachment to swivel in the vertical plane to about 45deg. Set it to read 2540 for a full 360 deg turn and then every reading of 20 will be the next tooth on your 127 tooth gear wheel. Myford quickchange toolpost, rear toolpost and 4 way toolpost. A good many people have built ml7 and super 7 headstock dividing attachments over the years, using the designs originally devised by peter radford, and later described by g.
Dividing plates can be used to create bolt circles, gears, polygons, and so on. The direct index plate with 24 holes allows direct dividing in 2,3,4,6,8,12 and 24. I mounted my dividing head on a sturdy aluminum rail. 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. Thomas in his book dividing and graduating no longer in print, later republished as part of workshop techniques 1. Myford ml7 operation installation and maintenance pdf download. Ideal for a milling machine or the myford ml7, super 7 and ml7r lathes. We describe how to use a simple spreadsheet to calculate the position of the holes in an indexing plate, for any number of holes. This allows me to pull the unit out of the cabinet and put it in the milling vise very quickly. This giving a wide range of worm wormwheel ratios and as a result divisions that are not available using a commercial 40. Read online myford ml7 gearbox manual book pdf free download link book now. Using the overarm steady, the attachment will accept jobs up to a diameter of 3. The dividing head is designed for use either on the myford cross slide or the milling machine table.
Myford ml7 dividing head attachment model engineer. Dividing head for sale in uk 17 used dividing heads. Apr 22, 2015 myford dividing head attachment manual transcript. The vintage machinery web site serves as a clearing house for many out of print publications related to vintage machinery and their manufacturers submitted to the site by our members and visitors. Dividing plate number 1 for original myford dividing attachment part number 1495 hole numbers. Used once very briefly so in a rather excellent condition. New myford dividing head attachment for small mill or myford lathe with manual. Complex dividing head, comes with 3 plates in this. Its done good work just the way it is, but i want it to be able to take the standard. Also used to rotate workpiece at predetermined ratio to. Theory since, jn order to make the fullest possible use of the attachnent, the. Headstock and matching tailstock available in two different sizes. Diagram above shows the smaller bs0 as a comparison. Making a myford dividing head index plate part 3 youtube.
Myford nottingham dividing head for super 7, ml7, ml7r lathes. We started exhibiting at model engineering exhibitions in 1994 and realised from the shows that people wanted quite specialised tooling for their machines and also a wide range of tooling which they could adapt to suit their needs. A dividing head is a tool that is used to divide a circle into equal divisions. George thomas versatile dividing head for sale for myford lathe. 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. Myford nottingham dividing head for super 7, ml7, ml7r. Using a dividing head and a vertical milling machine to cut flats on a shaft. Myford manuals instruction manual and user guide for myford. All books are in clear copy here, and all files are secure so dont worry about it.
Myford dividing head attachment manual free download as pdf file. Follow the link to read an article on the design and construction of an earlier and simpler dividing head for the peatoltaig micro lathe. The dividing head is based on a standard sherline headstock. I believe these were produced in the 1940s by made by victoria machine tool co. This is the gear in the back gear assembly that is fixed to the lathes spindle. General specification and comparison with the ml7 when it appeared in late 1952 it was immediately obvious that the super 7, although built with the same bedway dimensions as the ml7, was a thoroughly reengineered design, with many significant improvements. But the nose is the usual 1 18 12 tpi myford to fit a myford chuck which could then clamp the arbor. The vdh upgrade kits require the micro attachment and division plate assembly from.
Will listen to good offers because i paid 936 for it. Sep 09, 2016 we describe how to use a simple spreadsheet to calculate the position of the holes in an indexing plate, for any number of holes. 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. We also have a couple of used still excellent condition dividing heads, that can be sold for less. Referring now to photograph 10, showing an addition pair of gears added to my basic dividing head photograph 2.
Documents similar to myford dividing head attachment manual. The spindle nose is the same as the myford, allowing interchangability of tooling, e. A hoffman or a hardinge universal dividing head are good choices. I retyped it all in a slightly larger font to suit my eyesight, if anyone wants a. As stated on the chart the ratio of the worm wheel to the worm is 60. It may seem somewhat lavish to spend money on a headstock with highspeed precision bearings that are not required, but it was an easy way to the tool i needed, and ensures that it is completely compatible with all the other sherline accessories. The vdh upgrade kits require the micro attachment and division plate assembly from your completed versatile dividing head. The op want a universal dividing head suitable for spiral milling. Most likely you have knowledge that, people have look numerous time for their favorite books as soon as this myford gearbox manual, but end happening in harmful downloads. Mount a test indicator into the mill spindle with the indicator tip touching the front face of the dividing head, as shown in figure 6.
Ive been doing a few jobs with my myford dividing head and it seems to me that the plunger spring is far too strong for easy repetitive use, so i wanted to replace it with a weaker one. I was thinking of a base that would allow the attachment to swivel in. Thank you very much for your pm and the offer of a copy of the myford instructions for their dividing head. They can be right or left handed depending on which end you have it assembled. This is an updated version of an article published in the october 97 edition of the us publication, projects in metal, which in turn was an. View and download myford ml7 operation installation and maintenance online. Using dividing plates with the rotary table dividing plates allow you to precisely divide a circle into a number of divisions or degrees. Where to download myford gearbox manual myford gearbox manual thank you entirely much for downloading myford gearbox manual. A very nicely made george thomas versatile dividing head for sale. Dividing head which, using the lathes changewheels, has a range of worm wormwheel ratios. Rdg tools catalogue dividing heads and indexing heads about rdg tools. I was wondering if anyone has made a base plate or similar to enable the attachment to be used on a milling machine. The head has two fixed centres and is obvious intended to use a betweencentres arbor with spacing collars and clamping nut. This allows operations with the cutting tool either axial or radial with respect to the spindle.
Myford ltd home page british engineering at its best download myford ml7 gearbox manual book pdf free download link or read online here in pdf. Dividing head one of the more important attachments for milling machine. Myford dividing head attachment manual pdf document. Myford engineering co beeston, nottingham, england. Without the overarm, a o4 chuck can be fitted to the spindle. Indicating a bridgeport head reversing rotation on a single splitphase motor drilling holes in hard material lathe accessories a milling attachment for a small lathe a quickchange tool post a dividing head for the taig taigpetrol lathe lathe index and crank update and improvments for the craftsman 109 series lathe. This small but effective dividing head comes with a second dividing unit which fits to the bull wheel of a myford ml7. George thomas versatile dividing head for sale for myford. Concentric with the worm there is provision for mounting a multiholed division plate which remains stationary and does not rotate with the worm.
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