Category: Type Casting

Monotype Computer Control: Diagnosing Air Flow Problems 2

After about a year and a half of ignoring the project, I’m starting again to work on my computer-driven interface for the Monotype Composition Caster. When I left off I was diagnosing problems with the ports having inconsistent air flow

Monotype Computer Control: Diagnosing Air Flow Problems

One observation I have made while testing out my Monotype composition caster computer interface is that not all its ports deliver the same amount of air flow. On some, the air pin in the caster lifts and drops crisply in

Monotype Computer Control: A Long Overdue Update

My last post about this project was over a year ago, wherein I mentioned that I had purchased the aluminum stock to make the main parts of the valve unit. A lot has happened since then, to the point where

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Now I know…

…why the Monotype manuals say not to raise or lower the pot unless it is molten. They never explained why this could cause any problems, and the pump piston linkage is jointed enough to follow the pot up and down

It’s Getting Real

I actually went out and purchased some aluminum stock for making the computer control valve for my Monotype. That’s a piece of 1″ aluminum square bar which will make the mouthpiece that fits against the air holes in the caster’s

An Interem Solution to the Pneumatic Valves Problems

This week I’ve been occupied with (finally) putting away all the display mats I bought last year at the Anderson and Skyline matrix auctions. They have been cluttering up the shop since last summer with their variety of packaging. I

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Matrix Making: Handling Ink Gain

Letterpress printing has a property called “ink gain” where the inked area left on the printed sheet is a tiny bit larger than the type used to do the printing. Because of this, when designing type (which includes designing the

More information on Matrix pneumatic valves

This week I was having another look at the pneumatic solenoid valves I want to use to run my Monotype from a computer. I was somewhat disappointed that the valves I had were the Normally Open (N/O) type and designed

Cleaning up the pantograph

The Gorton 3U pantograph engraver/mill I just bought needed a bit of fixing up. Some of the bearings in the mechanism were loose, things were dry (of oil) and pretty dirty, and there was a drive belt missing. I have

More Equipment!

The main reason for my visit to Don Black last Friday was to pick up a new (to me) machine. This is a Gorton 3U pantograph mill/engraver, which turned up when Don and Craig were reorganizing their stock. This machine

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