Material: Brass
Units (mm)

This Brass Marking Gage is the 4th of 5 great projects from Ken.

Here’s what Ken has to say about this latest project:

“This next little project was a real test of my newly learned skills, and involves turning, milling, drilling, tapping, threading and knurling. All these operations were done on my Unimat 3 mini lathe/mill. Being a novice, if I can do it, so can you.

I chose brass for the body, mainly because of what material I had on hand, and when polished, would look the part.

The body and adjusting block were drilled out 10 dia in one piece, then parted off with a slitting saw. See earlier Slitting saw project.

I use this item to scribe lines a certain distance in from the edge of the work, or down the centre line. The scribed lines are used to locate hole centres, etc.

The thumb screws and adjustment wheel were knurled with my knurling tool, see earlier Knurling tool project. The diamond pattern was achieved by swinging the knurling around on the saddle.

I use my digital vernier to set the distance, then transfer this to the marking gauge. Fine adjustment is achieved by using the adjustment wheel.

I find this little gadget very handy, it’s almost too good to use. Might even be a usefull item for wood workers.”

- Ken

Ken originally posted these plans back in 2007 (along with 4 others) on the Metalworking section of Woodworking Australia’s Woodwork Forums. Here’s a link to Ken’s original Marking Gage post in the Metalworking section of the forum. Check back next week for Ken’s final project, a slightly different Joinery Marking Gage.

Thanks for sharing Ken!

If anyone has any questions about this, or any other project, please leave a comment. And as always, if you have any plans you’d like to share with the site, please submit your plans using the tab at the top of the page.

Thanks!

  Marking_Gage_Assembly.pdf (54.8 KiB, 1,018 hits)
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  Marking_Gage_Details.pdf (50.0 KiB, 895 hits)
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Material: Steel

Units: (in)

Nick Carter of CarterTools has a set of plans for a Knurling Tool he designed specifically for his Taig Lathe. So if you are a Taig Lathe owner, you might want to consider building Nick’s Knurling Tool rather than modifying Ken’s Knurling Tool that was posted last week.

I’ve provided a PDF copy of the plans below, but you can also visit Nick’s site to see the original plans here.

CarterTools has lots of great resources for the Taig Lathe and Mill, so be sure to check it out if you’re a Taig owner.

Thanks Nick for letting me share your Knurling Tool plans with my visitors!

  Knurling_Tool_Attachment_for_Taig_Lathe.pdf (500.1 KiB, 550 hits)
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Material: Steel
Units (mm)

Below you’ll find plans for a scissor-type Knurling Tool from Ken.

Here’s what Ken has to say about his Knurling Tool plans:

“This little knurling tool works extremely well, even I was surprised. It was designed to fit onto the saddle of my Unimat 3 lathe via two screws and two tee nuts. Just change the body to suit your lathe.

It is of the clamping style, which has a few benefits over the conventional single sided style, plus, there is a bonus. With knurling rollers on each side of the work, very little strain is applied to the chuck spindle, and more importantly, the work.

This means that very small diameters can be knurled without bending anything.

I am not going into construction details, except to say that some improvisation took place.

The grooves for the circlips were cut with a small hardened screw driver bit. The sort that fits into your battery operated drill, just perfect.

Attached are a couple of drawings showing the assembly and details, and some pictures.

Knurling at low speed took very little pressure to produce a nice crisp knurl, even in mild steel.

I said there was a bonus, if the entire knurling tool is swung around on an angle, say 15 degrees, a diamond pattern will result. Not bad eh from a set of straight knurling rollers?

Might not be orthodox, but it works.”

- Ken

Ken originally posted these plans back in 2007 (along with 4 others) on the Metalworking section of Woodworking Australia’s Woodwork Forums. Here’s a link to Ken’s original Knurling Tool post in the Metalworking section of the forum. Check back next week for Ken’s next project, a Marking Gage.

Thanks for yet another contribution Ken!

Another good Knurling Tool design can be found in “Lathework, a Complete Course” by Harold Hall. I reviewed this excellent book a while back. To see a picture of the Knurling Tool you can make from the plans in the book, click here and read the review. In my opinion, the book is well worth the price.

  KNURLINGASSY.pdf (45.3 KiB, 1,435 hits)
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  KNURLINGDETAILS.pdf (58.3 KiB, 1,285 hits)
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