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  4. Stent Tool And Cutter Grinder Plans Free
RDGTOOLS UNIVERSAL TOOL AND CUTTER GRINDER WITH AT. Comes with two centres and stand alone vacuum cash on collection can deliver at extra. It is in working condition and three phase cash on collection please. Used tool cutter grinder for 775.0.Comes with it's original box. Located in Hebden Bridge Thanks for looking. Stent tool & cutter grinder with many accessories. Centres, ER32 grinding spindle. Standard grinding spindle with collets.Spiral followers, and diamond dresser. Many spare wheels mostly new. Fitted sturdy German reversing motor. Full set of plans. All in excellent clean working order. Collect South Hants.27941 £320.00 NOW SOLD THANK YOU. It appears that i have bought a homemade brooks and stent cutter grinder from ebay This is a shop-made tool cutter-grinder described originally in a pair of articles by Derek Brooks in the English magazine Model Engineers' Workshop, No. 16 (April/May 1993), pp. 60-65, and No. 17 (June/July 1993), pp. CNC Tool and Cutter Grinder Idea Notebook. Imagine a Tool and Cutter Grinder capable of sharpening any tool under full CNC control. At this scale, cutter grinding involves relatively small workpieces, so a giant machine is not called for. Perhaps even a small hobby CNC machine would be able to do this kind of work with a high degree of success.
At some point most hobby machinists get interested in possibly building a Tool and Cutter Grinder. There’s something fascinating about building a machine tool from scratch, especially one with all those knobs and levers. There’s good reason for professionals to have access to such devices as well, though they’re not all that common these days.
This article is a starting point for would-be DIY Tool and Cutter Grinder Projects. It’s a compendium of Ideas and links to other articles that can serve as resources. It runs from the more famous manual machines, like the Quorn Tool Grinder through to my own fetish which is a DIY CNC Tool and Cutter Grinder. We’ll start out simple and move to the complex.

Harbor Freight Tool Grinder and Goodies

Lots of folks feel this inexpensive tool and carbide grinder is a great buy and a must-have for the home shop. Mine has performed extremely well right out of the box. I even went quite a ways with the relatively low quality wheels that came with it.
Unfortunately, it comes and goes. Harbor Freight doesn’t always offer them. Grizzly has the same model available:
I’ve included some pictures and comments about accessories people have made for it as well:

A diamond dressing attachment…

A mitre attachment…

Recommended wheels:

The wheels for this grinder are 6″ diameter and 1 1/4″ arbor.

Download Free Video Editor. Free Video Editor. To install the program, click the ' Download Video Editor ' button, then start the downloaded installation file and follow on-screen instructions. Please, note, that the current version doesn’t run on Windows versions prior to Windows Vista. File type: Vitual CD File, FarStone Virtual Drive File, Value Change Dump File What is a.VCD File. VCD files are disc image files of CD/DVDs and contain an exact copy of all the data on the physical disc. Along with the files and data on the disc these image files also contain the information such as the file system information and the boot record data of the disc. Vcd editor free download - VCD Builder, Lalim VCD Player, Okoker AVI/DIVX/MPEG/RMVB/WMV to DVD VCD Converter&Burner, and many more programs. Edit rar files. VCD files (which use the.mpg format), for example, can end up stored in the.dat format. In a case like this you can just right-click the.dat file, click Properties, then replace the “.dat” in its name with “.mpg” or whatever format you believe the original file was in. Dec 24, 2018  To open the file on Windows 10, right-click it and select the Open With option. Select Notepad from the list of apps, or if you prefer a much cleaner interface for editing the VCF file, you can use Notepad instead. The contents of the VCF file will differ based on which app or service, or device the contact was created on.

Diamond 220 grit from Enco: Got it just the other day!

Aluminum Oxide 46 Grit from J&L: I’m gonna run the wheels that came with the grinder for a little while and see how they do.

Tool

More Attachments and Tune Ups

These are from Jim Hubbell. Balancing new wheels:

XY Table with sensitive feed and lathe tool universal vise:

Single Lip Cutter Grinders: aka V-Bit Grinder

The Harbor Freight grinder is a nice tool to have around. With the right accessories, you can sharpen drill bits and do a great job grinding manual turning tools. But there’s a lot it can’t do too. It won’t be too long before a machinist interested in tool grinding discovers “Single Lip Cutter Grinders”, which you can think of as V-Bit Grinders. Deckel makes the iconic model of this machine, but there are many knock-offs.
This video gives a great introduction to this class of machine, how they work, and what they can do:
Types of work you can do with a single lip tool and cutter grinder:

Bennett Tool And Cutter Grinder Plans

Beijing Deckel Tool and Cutter Grinder

Deckels have been widely copied in the Asian import market. I was watching some YouTube videos on how to use such a “clone” grinder when I got my inspiration. Watching those videos was very illuminating–it made it easy to understand how the Deckel-style grinders are used. But more importantly, it jogged my memory about a gadget I had sitting in the shop that I had not yet used:

This is a universal vise that I purchased from eBay seller 800watt. They’re very inexpensive and seem well made. Also, I’ve bought a number of things from 800watt without any problems…

Based on the similarity of the universal vise to the tool holder on the T&C grinders, I came up with this idea to create an accessory for the lowly Harbor Freight Tool Grinder that would emulate the more sophisticated style. Here is what it looks like:

The universal vise is mounted to a precision rod that can pivot to stroke the tool against the grinding wheel. The universal vise allows precise control of the angle of the plane at which the tool which sweep the grinder face when the assembly is pivoted. The depth of cut is adjustable with the threaded rod that bears on the end of the shaft. The adjusting rod is mated to a ball bearing pressed into the shaft end. This way the shaft can be rotated for the tool grinding without turning the adjustment rod and move the tool holder left or right.

The shaft itself is held in bronze bushings. For endmill sharpening, one could mount a precision air bearing in the tool holder and go from there.

This sort of accessory looks relatively easy to build, and I don’t know why it wouldn’t be capable of results very similar to a commercial grinder.

As interesting as these machine’s are, they’re ultimately limited and also pretty darned expensive–about $1000 for a decent knock-off of the Deckel SO machine. You can build attachments onto an inexpensive grinder, but you’ll still be limited by your machine’s geometry.

Tool and Cutter Grinders: Popular DIY Designs

Single Lip Cutter Grinders are intriguing, but they still won’t sharpen an end mill. To do that, you’re going to need a tool that has a lot fancier geometry and degrees of freedom.

Here are some notes on a variety of shopmade T&C grinders that I have collected as inspiration.

The Quorn is probably the most famous. It’s a beautifully intricate little machine:

Quorn Cutter…

I have entertained the idea of CNC’ing up a Quorn out of bar stock, and I am sure it would be a fascinating project, but there are simpler tool and cutter grinder designs to get the job done.

I recently came upon a tool grinder called the Tinker:

This design is by N.W. Tinker, with plans by Guy Lautard and more information about it on his site. His Machinist’s Bedside Reader series is excellent, so I know that what he is offering is likely of extremely high quality and would be worth the price of admission. I quite like the Tinker design. It looks much simpler to build than a Quorn, and I like the idea of harnessing it to an existing grinder rather than having to fabricate a whole new grinding spindle for the machine. It seems to me that doing double duty with the grinder not only saves fabrication time, but also saves space in what will be an already over-crowded workshop for most folks. Here is another Tinker article with a lot of good pictures.

There is also a simpler variant called a Mini-Tinker, and supposedly a design known as the Raymac may be even more capable than the Tinker.

Hall’s Sharpener from the Workshop Series, “A Complete Milling Course”…

Quorn Tool And Cutter Grinder Plans

Simpler Hall Sharpener…

This one is a Bonelle…

CNC Tool and Cutter Grinder Idea Notebook
Imagine a Tool and Cutter Grinder capable of sharpening any tool under full CNC control. At this scale, cutter grinding involves relatively small workpieces, so a giant machine is not called for. Perhaps even a small hobby CNC machine would be able to do this kind of work with a high degree of success.
I’ve become intrigued with the idea of building a small CNC Tool and Cutter Grinder based on a Sieg X2 mill. The X2’s are cool little machines, and they seem to be quite capable with a little work.

Various folks like Hoss from Hossmachine and others have done a little tool grinding on their X2’s:

The Seminal Question: How Many Axes?
We will certainly want to CNC the normal 3 axes of the Sieg mini-mill. But how many more axes are needed? One sees 4, 5, and even 6 axis tool grinders. At the very least, we need a 4th axis. That axis would be used to follow the helix of a drill bit or milling cutter. That 4th axis is rotary and can be parallel to either X or Y, but given the shape of the machine, it seems that balance might be better if it is parallel to X. I would envision mounting a CNC’d spindexer there, because they’re compact and inexpensive to CNC.
A 5th rotary axis is optional, but would parallel the Z. Such an axis is very useful for putting a radius on the end of an endmill or for smoothly contouring a form tool. Imagine the spindexer 4th axis sitting on top of a CNC’d rotary table that sits flat on the mill’s table and you get the idea. Ideally we would like to be able to pivot the spindex off the horizontal for some work, perhaps sharpening a tapered cutter, but that pivot need not be CNC’d.
This diagram shows the axes:

4 of the 5 CNC’d axes, plus a manual tilt axis. The gray represents the milling X and Y axis or the table and saddle.

Pictures

This is the one that finally inspired me to think in Mini-Mill terms. From the great German Metallmodellbau site…

Here is a compact industrial machine. Note the axes. Looks like a normal 3 axis mill with a head that rotates in the Z axis. It also needs to rotate the tool’s axis to follow helixes…

Small machine, not CNC. Again, note the axes. Z, tool axis, in and out, and looks like a tilt rotary axis…

Simulated view of a commercial CNC T&C grinder. Gives a nice idea of the axes (this looks like a 5 axis) as well as the grinding wheel shapes that are useful…

Same simulation following the helix…

X, Y, and Z. Not much is motorized. I’d assume the controls are more for a DRO than CNC. Spindexer-style tool holder with 3 rotary axes of freedom…

The equivalent of gang tooling for a T&C grinder. Cool!

An add-on CNC T&C attachment for manual T&C grinders. There are 3 axes: X, Y, and a rotary for following the helix. This unit is very similar to the CNC’d spindexer I envision…

Sketch of a 5-Axis T&C Grinder Frame made via weldments filled with epoxy granite…

CNC T&C Grinder Manufacturer Links

Anca: Very high tech Australian machines with direct drive and polymer granite bases. Be sure to check out their technology brochure.

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All Topics | Latest Posts
Mark Slatter05/09/2019 16:09:48
51 forum posts
7 photos
Hi all,
I quite like the idea of adding a tool and cutter grinder to my equipment. However,even the Chinese clones of the Deckel SOE machines are out of my reach at the moment (+£700!). My thoughts were to attempt to build one and pictures of the Brooks Stent unit make it seem capable and not massively difficult to complete (famous last words).
However despite looking I have been unable to locate a set of plans..does anyone know of where they might be available or perhaps have a set they are willing to share?
Harold Halls design is a close second and one I am considering.
DMB05/09/2019 16:42:52
1006 forum posts
Hi Mark,
Brooks Stent ; try gadgetbuilder
Stent ; drawings and castings from Blackgates Eng.
Stent drawings and build notes in either ME or MEW.
Harold Halls site and book and his is stock metal sections, no castings, likely to be much cheaper.
HTH,
John
Brian G05/09/2019 16:46:42
707 forum posts
28 photos
MEW Issues 16 and 17 (available on this site) have the original article, and there is an online article about its construction here **LINK**
I had wondered about using a small bench grinder as a grinding head for one? Yet another item on my ever growing 'to do' list.
Brian
Edit: MEW 16 is April/May 1993, and 17 is June/July
Edited By Brian G on 05/09/2019 16:48:35
Howard Lewis05/09/2019 17:31:18
3480 forum posts
2 photos
If you eventually think that a Stent is a bit beyond you, consider Worden. Hemingway supply the kits for these.
There are no castings to machine, the major components are sheet metal, and can be cleaned up with a file.
There will be other turning jobs to do, but they are fairly straightforward. Mine came with the table already graduated!
Howard
Cornish Jack05/09/2019 17:37:34
1148 forum posts
163 photos
I have both a Stent (near complete*) and a Worden (most bits plus dedicated motor) surplus to requirements. Both are in need of cleaning /derusting and I have neither time nor inclination.
* probably complete but would need to gather all the bits, as it has been dismantled!
rgds
Bill
Bazyle05/09/2019 17:58:53

5337 forum posts
202 photos
This is quite a simple one - you can see the concept and design your own to use a regular grinder or some other wheel. The body pivots on the front bar so the second bar is just a frame. Basically a simplified Quorn. More pics in my Colyer Casely folder. (sorry guys I may have spelled your names wrong)
Mark Slatter06/09/2019 10:39:41
51 forum posts
7 photos
Many thanks for all the replies everyone, it's much appreciated! A member on this forum got in touch and sent a copy of the MEW articles via PDF. It should make for an interesting project and a useful tool at the end of it all (fingers crossed).
Bill, thank you for the offer but I like the idea of trying to build one from scratch and possibly adding in a couple of modifications of my own.
DMB06/09/2019 16:54:55
1006 forum posts
I have a TG jig built from just 2 castings, one of my round to its. Got the sketches from Canada, Guy Lautard and given the castings by someone who had given up, probably because he had no drawings. So started from scratch a long time ago and it's nearly finished. Just got the tool holder block to bore, drill and tap. Not top of my list as other small projects more pressing, needed for use soon and to keep the write ups going in club newsletter.
The Lautard device is very simple, based upon only one pattern to make 2 castings which need to be machined slightly differently. He goes on to describe different attachments, with necessary drawings included, to sharpen reamers, radius grinding and several others.
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