Trues the grindstone exactly round and flat. Guided by the Universal Support, which also guides the jigs. Screw feed with dual knobs for smooth feed across the stone. The cutting depth can be set within 0,25 mm (0,01").
3 Year Warranty
TORMEK DIAMOND TRUING TOOL #TT-50
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Customer Product Reviews for Tormek Diamond Truing Tool TT-50
Grinding wheels used for sharpening must be trued occasionally, that is a fact of life. What many do not realize is that this corrective resurfacing actually extends the life of a stone grinding wheel even though a small amount of material is removed in the process. Truing the wheel also makes it easier to get a fine edge and to do it faster. The new Tormek TT-50 Truing Tool features a solid body with a fork that indexes it to the leg of the support bar for stability. While the diamond impregnated copper cutter is very similar to previous truing tools, it is now mounted on a lead screw that moves it across the stone. This screw and the finger knobs at either end eliminates having to push the cutter by hand and makes getting a smooth surface easier. Also, adjusting the height of the support bar sets the depth of cut rather than positioning the locking loop as on the previous version. Setup The Tormek TT-50 Truing Tool slides onto the support bar, which is mounted in the vertical mounts. The fork is placed around the leg of the support bar and a finger-tightened knob locks the jig in place. Note: Because of a difference in the vertical mount locations, the Tormek TT-50 Truing Tool will not work on the JET Wet Sharpener. The instructions say to lower the support bar with the micro adjusting nut (with the machine running) until the cutting tip just touches the highest point of the grinding wheel. Shut the machine off, move the cutting tip off of the stone surface and lower it a maximum of 0.03” (0.75mm) by turning the micro adjusting nut upwards. Reposition the support bar so the micro adjusting nut is in contact with the mount, the support bar level and lock it down. The Tormek TT-50 Truing Tool should now be set to make the cut. During testing I discovered a bit of play between the bar the cutting point is mounted in and the body of the jig that required a bit of compensation in order to get a true baseline setting. More on this later in this story. Lead Screw The cutter is mounted in a bar that is threaded over the screw that drives it from side to side. Click image to enlarge Using a lead screw to move the cutter across the stone smoothly has become popular over the last couple of years and the new Tormek TT-50 Truing Tool includes their version of that feature. The TORMEK lead screw is a single threaded shaft with finger knobs on either end. Turning either of the knobs slowly moves the cutter in a predictable manner that is capable of creating a very smooth surface that was not easily made with the older, finger-pushed version of the Truing Tool. Conclusion Overall the Tormek TT-50 Truing Tool performed as expected and did create a flat, square surface. As noted earlier, I felt the surface it creates requires touching up with the grading stone but you may feel differently depending on the grinding job at hand. The vibration problem appears to be more annoying than detrimental to the cut or to the Tormek TT-50 Truing Tool itself. It is important to note that my evaluation was limited to 9 full-width cuts (total) on two different TORMEK wheels. Testing was not extensive enough to determine if the vibration, though relatively consistent, would cause damage to the Tormek TT-50 Truing Tool over long-term use. Based on what I have seen during this evaluation, this seems unlikely.