Category Archives: Milling

Ratchet Cutting

This blog post records my setup for cutting ratchet teeth. I having been building reels one at a time, so this setup is needed for each reel. The bushing/ratchet blank is held on a mandrel in a 4 jaw chuck … Continue reading

Posted in Milling, Ratchet/Gear | Leave a comment

Right Angle Bracket

Little Machine Shop offers this cast iron right angle bracket for use on MiniMills. I bought one and immediately drilled it to accommodate my Sherline rotary tables. It is much heavier than the aluminum bracket offered by Sherline. I have … Continue reading

Posted in Fixtures, Milling, Work Holding | Leave a comment

Collet Grip

I have one more problem to solve before my CNC engraver is operational. It is that end mills come loose in the spindle. This is the spindle, it is 1.2 inch diameter and uses a “WW” collet (0.125 inch bore). … Continue reading

Posted in Engraving/Marking, Milling | 10 Comments

Mill Alignment

A feature of my new “HiTorque Mini Mill” is that the column (supporting the head) CANNOT be tilted to allow drilling at an angle. This lack of tilt is a positive feature because it means that there should be no … Continue reading

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A New Mill

I finally did what many have told me I should do, and that is get a bigger mill for my reel work. This is a Model 3990 from Little Machine Shop. It is several times heavier, stiffer, and more powerful … Continue reading

Posted in Milling | 4 Comments

Rounding the Corners

The is the rear end plate of reel S/N 52, screwed to a tool plate while I round off the corners of the pillar lugs. This is a fussy operation, with fine positioning of the Y and rotary axes to … Continue reading

Posted in End Plate, Milling | 2 Comments

Rotary Indexer

I recently bought Sherline P/N 8700, “CNC Rotary Indexer”. It consists of three units. The first is the standard 4 inch rotary table, but with a stepper motor attached. Here you see it set up to cut teeth on a … Continue reading

Posted in Alignment, Milling, Ratchet/Gear | 2 Comments