Martin Model & Pattern - your online source for fine quality patterns and castings

Quorn Universal Tool & Cutter Grinder:  MK-I & MK-II

Quorn MK I & M II      The Quorn Universal Tool & Cutter Grinder is a superb addition to any work shop needing to sharpen not only lathe tools, but milling cutters, broaching tools, reamers, and even drill bits.
     Originally designed by the late Professor D. H. Chaddock in England, this extremely versatile tool handsomely repays the enjoyable hours required to build.
     There are two different versions of the Quorn: the MK-I and the MK-II. The MK-I (as seen at left) is the earlier version and is designed for motors with foot or side mounting. This unit was built by Reg Ingold and the mounting table contains a handy drawer to store the accessories and sharpening/grinding wheels.
     The MK-II is designed for flange or face mounting motors. The MK-II also has the addition of a guard over the belt. This guard and the two castings that make up the motor mount assembly are the only differences in the casting kits. The other 14 castings are identical in both casting kits.
     The book, "Quorn Universal Tool and Cutter Grinder", by Prof. D. H. Chaddock describes not only how to machine and build the Quorn but also includes the many sharpening and grinding operations it performs. Also suggested as a very comprehensive and detailed description (with AutoCAD drawings) on building the Quorn
     Martin Model has accessories to make your Quorn easier to build and more versatile to use.

     printer  Printable Quorn Cutter and Tool Grinder Order Form


Universal Pillar Tool - Standard and/or Long Arm

Universal Pillar Tool      This tool was designed by George H. Thomas (GHT) and first described in a rather disjointed sequence of articles that appeared in the Model Engineer in the mid-1970's. All of these were later collected into a book titled "Building The Universal Pillar Tool". After being out of print for some years, it was combined with material describing GHT's Universal Dividing Head and printed as "Workshop Techniques". This is not a word-for-word reprint of the previous two books; it also contains additional useful material. The castings and the book are in one place.
     Applescotty's Scrapbook has a large amount of information, tips, techniques on building this tool. You need to scroll partway down the page to find it.

     printer  Printable Universal Pillar Tool Order Form


Versatile Dividing  Head

Versatile Dividing Head      To the best of our knowledge, the castings for this kit are not available elsewhere at this time. Complete instructions are in George Thomas' "Workshop Techniques" which is available at a discount when buying the castings from us - or if you built the Universal Pillar Tool you probably have the book.
     Rather than repeat a lot of information others have covered, you can go to the Home Shop Machinist Bulletin Board posting HERE and read directly what others have to say (and maybe pick up some good hints).

     printer  Printable Versatile Dividing Head Order Form


Die  Filer

Die Filer      This is an inexpensive casting set that will help you build all your other tooling and models. It is perfect for a beginner’s project. This die filer is a replica of a turn of the century (circa 1900) filing machine which originally was used for filing sheet metal dies. The die filer is used for deburring, filing at angles, general filing and cleaning. In addition to files, you can use saws and laps. Common files may be used with modifications.
     The die filer set consists of four fully annealed iron castings and drawings for machining and assembly. The finished table size is 6” by 6”; the file stroke is 3/4”; a typical file length is 3” to 6” with a maximum 3/8” diameter shank.

     printer  Printable Die Filer Order Form


Strong Arm  Hand  Shaper

Strong Arm Hand Shaper      This is an intermediate level project. The original purpose of a Strong Arm shaper (in the late 1800s) was to make flat surfaces. The finished tool is a bench-top hand-operated shaper which can be set up using a left or right arm. It has a 4” stroke and a 4” traverse. Use the shaper to cut metal, wood or plastic. In addition to flat surfaces, you can make profiles, grooves, vees, champers, keyways and splines. The tool can also be set up with an automatic crossfeed.
     This castings set consists of nine castings – seven fully annealed iron and two aluminum – with drawings for machining and assembly.
     You can go to the Home Shop Machinist Bulletin Board posting HERE and read directly what others have to say (and maybe pick up some good hints).
     printer  Printable Strong Arm Hand Shaper Order Form


Pantograph  Engraver

Pantograph Engraver PANTOGRAPH ENGRAVING MACHINE – An instrument for copying a plane figure to a desired scale, consisting of styluses for tracing and copying mounted on four jointed rods in the form of a parallelogram with extended sides. The portion of the pantograph that does the engraving is either a diamond point stylus or a rotating cutter or “mill.”
     From the late 1930s into the late 1970s, the pantograph engraving machine was the only type of engraving machine available on the market, thanks to the pantograph engraving machine inventors and founding fathers of Gravograph. The first major application of the pantograph engraving machine was engraving fountain pens for F.W. Woolworth Company. The second major application for the pantograph engraving machine was for the New York City Board of Education during World War II, who needed plastic dog tags engraved for every child in New York City. After WWII, the pantograph engraving machines were sold to jewelry stores across the country, engraving items, such as pens, watches, lockets, etc. Today, manual pantograph engraving machines are still used for many applications, including jewelry engraving, specialty items, electrical ID tags, dog tags, and much more.
     Just what you need for inscribing numbers and letters on your projects!

     printer  Printable Pantograph Order Form


Gear  Hobber

Gear Hobber      The gear hobber is a machine for producing gears by the hobbing process: a rotating gear blank is fed into a gear hob (in the shape of a worm). The maximum capacity is about 4” in diameter, 20 dp (diametrical pitch), 1.25 module down to 1/10” diameter, 120 dp, 0.2 module. The prototype uses Myford change wheels, but others from similar sized lathes (Altas, Logan, South Bend, etc.) would be equally suitable.
     A derivation from the Helix/CES hobber (itself derived from the Jacobs design in Model Engineer) but with some changes (and, I hope, improvements).
     An excellent video of the hobber in action may be veiwed at:

     printer  Printable Gear Hobber Order Form


As we continue to add to our growing list of casting kits, we will list them - even in the planning stages - under the appropriate category on this website. Needless to say we will build a prototype before marketing the castings/plans. You may be assured that the castings will be of the traditional Martin Model & Pattern fine quality. So check back often.