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Messages - RichColvin

#1
Mike,

Thank you for posting this.  Lots of great ideas here.  I've dedicated USBs for both the TTS-100 holes, A & B. It is really a time-saver when using the diamond grinding wheels.  And I love the idea of a spacer for honing!

Rich
#2
Knife Sharpening / Re: centering with SVM jigs
December 21, 2024, 05:16:19 AM
I use the KJ-45 with the KS-123 and I find it to be a quick setup to get sharpening.
#3
General Tormek Questions / Re: SB-250 out of true
December 17, 2024, 04:06:39 AM
Vijay,

Are the SB-250s getting out of true whilst still on the machine, or are the grindstones being removed and then replaced onto the machines?

Rich
#4
Wood Turning / Re: Tormek receipe
December 13, 2024, 02:21:15 AM
Most Tormek jig settings are documented in the Sharpening Handbook (https://www.sharpeninghandbook.info).
#5
Knife Sharpening / Re: MDF strop with diamond compound
December 11, 2024, 05:34:45 AM
With optical fibre, the glass can be absorbed and end up in the bloodstream causing real havoc.  

A quick search using Perplexiy found this article of note as it regards inhalation of diamond dust https://pubmed.ncbi.nlm.nih.gov/16201206/
#6
Knife Sharpening / Re: MDF strop with diamond compound
December 10, 2024, 05:29:55 AM
When adding powdered diamonds to the MDF substrate, how do you ensure that they are not absorbed into your skin?  This is a problem with handling optical fibre, and it can be quite dangerous. 
#7
Ken, I admire your actions.  I've only culled things from my chest of jigs when Tormek made something which obsoleted a jig I made.
#8
I've seen a number of posts regarding the question:  

Should one invest in diamond grinding wheels or go with the SG grindstone?

From my experiences with all 6 grinding wheels (SG, SB, SJ, DC, DF, & DE), I have come to believe that a better question is

Should one invest in diamond grinding wheels or go with the SB grindstone?

I find that I use the diamond grinding wheels for harder metals like 
  • Wood turning tools (usually HSS)
  • Carbide inserts for wood and metal lathe tools
  • Drill bits

These were previously sharpened using the SB grindstone.

And, I use the SG grindstone for almost everything else.

So the question to be answered is,

What do you plan to sharpen?

If the tools to be sharpened are harder steels, then go with either the diamond grinding wheels or the SB grindstone.  Do note that the SB grindstone can be regraded, so I believe it is comparable to the DF + DE grinding wheels.  And the SB is lower cost than the two diamond wheels.  

If you are not needing to sharpen tools with such hardness, go with the SG grindstone.

If you need both, my advice is to start with the SG & SB grindstones.  Eventually, the SB grindstone will wear down and need to be replaced.  Then you can consider getting the diamond grinding wheels.


I welcome thoughts and feedback on experiences from others. 
#10
Ramiro,

You will probably need to use a Goniostat approach like this one: https://sharpeninghandbook.info/indexJigs.html#Goniostat
#11
Tormek Jig numbers
  • AX-40 Axe Jig
  • DBS-22 Drill Bit Sharpening Attachment
  • KJ-45 Centering Knife Jig
  • KJ-140 Wide Centering Knife Jig
  • RBS-140 Round Blade Sharpening Attachment
  • SE-76 Square Edge Jig
  • SE-77 Square Edge Jig
  • SVA-170 Axe Jig (replaced by AX-40)
  • SVD-110 Tool Rest
  • SVD-180 Gouge Jig (replaced by SVD-185)
  • SVD-185 Gouge Jig (replaced by SVD-186)
  • SVD-186 Gouge Jig (replaced by SVD-186R)
  • SVD-186R Gouge Jig
  • SVD-110 Tool Rest
  • SVH-60 Straight Edge Jig (replaced by SE-77)
  • SVH-320 Planer Blade Attachment
  • SVM-00 Small Knife Jig
  • SVM-45 Knife Jig (replaced by the KJ-45?)
  • SVM-100 Long Knife Jig (replaced by SVM-140)
  • SVM-140 Long Knife Jig (replaced by the KJ-140)
  • SVP-80 Moulding Knife Attachment
  • SVS-32 Short Tool Jig (replaced by SVS-38)
  • SVS-38 Short Tool Jig
  • SVS-50 Multi-Jig
  • SVX-150 Scissors Jig

Tormek Accessory numbers
  • ACC-150 Anti-Corrosion Concentrate
  • ADV-50D Diamond Truing Tool (replaced by TT-50)
  • ADV-D Exchange Diamond Bit for TT-50
  • AWT-250 Advanced Water Trough
  • BGM-100 Bench Grinder Mounting Set
  • CW-220 Composite Honing Wheel
  • EM-15 Edge Marker
  • HB-10 Tormek Handbook
  • HTK-00 Storage Tray for Hand Tool Kit
  • HTK-806 Hand Tool Kit
  • KS-123 Knife Angle Setter
  • LA-100 Profiled Leather Honing Wheel (replaced by LA-120)
  • LA-120 Profiled Leather Honing Wheel

    • LA-122 replacement discs
  • LA-121 Profiled Leather Honing Wheel with narrow discs

    • LA-124 narrow profiled replacement discs
  • LA-145 Leather Honing Wheel (200mm)
  • LA-220 Leather Honing Wheel (250mm)
  • MB-100 Multi-Base (replaced by MB-102)
  • MB-102 Multi-Base
  • MH-380 Machine Cover
  • MSK-250 / MSK-200 Stainless Steel Shaft
  • OWC-1 Tormek Converter
  • PA-70 Honing Compound
  • RB-180 Rotating Base
  • RM-533 Rubber Work Mat
  • SQ-90 Small Square
  • SP-650 Stone Grader
  • SVD-005 Upgrade kit for SVD-180
  • T8-00 Storage Tray for Tormek T-8 Accessaries
  • TC-800 Tormek Case
  • TNT-00 Storage Tray for Woodturner's Kit
  • TNT-300 Woodturner's Instruction Box
  • TNT-808 Woodturner's kit
  • TS-740 Sharpening Station
  • TT-50 Truing Tool
  • TTS-100 turning tool setter
  • US-103 universal support for T-3 & T-4
  • US-105 universal support for T-7 & T-8
  • US-430 Universal Support Extended
  • WM-200 AngleMaster
  • WT-200 Water Trough (replaced by AWT-250)
  • XB-100 Support Base (plate and knobs only)

Tormek Stones
  • DC-200  Diamond Coarse
  • DC-250  Diamond Coarse
  • DF-200  Diamond Fine
  • DF-250  Diamond Fine
  • DE-200  Diamond Extra-fine
  • DE-250  Diamond Extra-fine

  • DWC-200 Diamond Wheel Coarse

  • SB-250 Blackstone Silicon Grindstone
  • SG-200 Original Grindstone
  • SG-250 Original Grindstone
  • SJ-200 Japanese Water Stone
  • SJ-250 Japanese Water Stone
#12
General Tormek Questions / Re: grit thoughts
September 16, 2024, 03:34:00 AM
I think it would be great to have side-by-side comparison photos.  I believe that you have a microscope with a photo capability.  I can imagine comparing the photos of (for example):

  • Chisel ground on an SG grindstone graded using a (600 grit?) diamond plate vs
  • Same chisel ground on a DF grinding wheel.  

If you want to do the tests and send me the pictures of the various grinds, I'll put everything together for you. 
#13
General Tormek Questions / Re: grit thoughts
September 15, 2024, 04:41:00 AM
Ken,

I am eagerly awaiting your testing results!

Rich
#14
Rusty,

When I use a diamond wheel (which is less often these days as I usually use the SG-250), I use the DF-250.  

Rich
#15
General Tormek Questions / SJ-250 on sale
September 03, 2024, 04:00:39 PM
I've seen that a number of US stores have the SJ-250 on sale at  $459, down from $510.