
I eventually returned to my old notion of building a Brooks-Stent the plans disappeared from that site in January 07 -- after I copied them to my disk - to sharpen end mills. As usual when starting a project it looks like it addresses most of my concerns. Except easily gashing end mills - but I found a simple mod allows gashing. Gashing is a peculiar subject I rarely see it mentioned in descriptions of sharpening cutters in the home shop yet it was an obvious problem when attempting to sharpen a blitzed cutter with the Mini-Tinker.
Get A QuoteI eventually returned to my old notion of building a Brooks-Stent the plans disappeared from that site in January 07 -- after I copied them to my disk - to sharpen end mills. As usual when starting a project it looks like it addresses most of my concerns. Except easily gashing end mills - but I found a simple mod allows gashing. Gashing is a peculiar subject I rarely see it mentioned in descriptions of sharpening cutters in the home shop yet it was an obvious problem when attempting to sharpen a blitzed cutter with the Mini-Tinker.
Conceptually the Brooks-Stent is a surface grinder with a very small work envelope and table X-Y controls appropriate for cutter grinding work heads and fixtures are mounted to the movable table to orient cutters for grinding.
I found some minor errata to the published plans and noted the description of sharpening the helix is likely theoretical since the hole to hold the locating finger isnt present in the pictures of the actual unit. Sharpening the helix is better done using a separate work head as described here. A separate adapter is needed for slitting saws. Many pictures in this section are shown smaller not thumbnails so the full size is always loaded into your browser and can be clicked to see the full size version.
The center slide is shown inverted above. Eventually the two smaller pieces will support the movable table. In this picture the table supports are holding the rods to allow the movement of the center slide along the rods to be evaluated. This is my first experience line boring and the result seems very nice - the block slides freely from one support to the other with no binding.
This is the process of drillingboring the other holes Y axis. Here the sandwich includes the front and rear plates to support the round ways that the center block slides on. I used 0.750 ground rods that were available used for 2 each they came from the conveyer of a large machine and had no discernible wear plus the same local vendor had the 34 expandable reamer for 6 so the construction cost was quite reasonable. The previous X axis holes are visible in the middle of the sandwich.
Following some drilling and tapping plus boring and slitting the hole for the motor standard here is a trial assembly of the basic frame for the grinder. Clearly the rods have not been trimmed to length yet.
The major motions for cutter sharpening are fine feed via a lead screw to adjust the grind depth and a coarse traverse to pass the edge being sharpened past the wheel.
The traverse handle is another treasure from the metal pile at Newtowns dump. Like Brooks handle it is too large to allow rotation if it is over the bench holding the grinder. Brooks simply places the grinder near the edge of the bench so I may do the same - or add rubber feet the handle isnt much too large. Completing the use of scrap for the traverse the shaft is from a line printer. The shaft bushing is white Delrin.
Both the feed and traverse controls work smoothly and easily. This completes the main parts of the frame but there are many minor details to go things like the plates that retain the felt way wipers where only one is in place now so there are 24 more 6-32 holes to drill and tap in the center block etc.
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 AprilMay 1993 pp. 60-65 and No. 17 JuneJuly 1993 pp. 22-25. If you seek these articles and cannot find back issues they are available as a part of the digital archive provided to current subscribers to the magazine.
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 AprilMay 1993 pp. 60-65 and No. 17 JuneJuly 1993 pp. 22-25.If you seek these articles and cannot find back issues they are available as a part of the digital archive provided to current subscribers to the magazine.
John Moran GadgetBuilder says of this machine Conceptually the Brooks-Stent is a surface grinder with a very small work envelope and table X-Y controls appropriate for cutter grinding. He has an extensive web-page devoted to constructing it httpwww.gadgetbuilder.comBrooksGrinder.html there is a space in Brooks Grinder.
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Brooks Contract Manufacturing and Machining Inc. is a contract manufacturing and precision machining company specializing in mechanical sub assemblies and turn key box builds and providing complex components for markets including Military RF Microwave Medical Telecommunications Robotics Industrial and Aerospace. Mechanical Assembly is our fastest growing product segment.
20200106 Conceptually the Brooks-Stent is a surface grinder with a very small work envelope and table X-Y controls appropriate for cutter grinding work heads and fixtures are mounted to the movable table to orient cutters for grinding.
brooks grinding machine project As a leading global manufacturer of crushing grinding and mining equipments we offer advanced reasonable solutions for any size-reduction requirements including quarry aggregate and different kinds of minerals.
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Grinding machine operators are responsible for setting up maintaining and repairing grinding machines that are used to grind metal pieces like dies tools and parts. They determine whether adjustments to the machine is necessary stop grinding machines when problems occur. They may also inspect products to ensure they meet quality control standards and operate machinery to grind metal pieces.
Asbestos was also contained in many other products found in industrial settings such as conveyor belts and insulation for machinery. Asbestos was contained in brakes and parts to protect products from heat. Grinding machine operators may have worn protective equipment to protect them from heat or fire but the aprons masks shields and gloves they used may have also contained asbestos.
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