After breaking two pipe ends while reinstalling the mounting plate for the Unit Adding valve, I decided that soldering in new ends would be easier than trying to get a flaring tool into the tight spots under the Monotype caster’s…
Category: Equipment
Monotype Pneumatics: Two steps forward, two steps back!
I put my replacement pneumatic lines on my Monotype caster and replaced the Unit Adding valve mounting plate. You can see them in the photo as the two clean pipes near the bottom, and the two shiny threaded ends second…
Monotype Pneumatics: Tubing repair
A previous owner of my Monotype composition caster had done a bit of a butcher job repairing a broken tube under the table. There were two soldered joints (using fittings not designed for solder joints) and two tees with capped…
Monotype Pneumatics: Quadding and Centering actuators
The Quadding and Centering system on the Monotype composition caster is controlled by two actuators on the paper tower. The one for Quadding is a simple piston inside the tower housing which causes the motion of the paper tower cam…
Monotype Pneumatics: Unit Shift Valve completed
The last task left for Unit Shift was to install (what I call) the buffer valve. I use this term because its purpose is to store the Unit Shift selection (on or off) from the end of the ribbon read…
Schopper-Riegler Freeness Tester for sale
This is the third piece of papermaking laboratory equipment I have for sale. Per ISO standard 5267-1, this tests the “freeness” of the pulp, which can be thought of as the amount of water which is “free” and will drain…
Monotype Pneumatics: Unit Shift valve reinstallation
In my next task of getting the paper tower operational on my Monotype composition caster, I have started cleaning and lubricating the various pneumatic control valves. The first one I did is a combination of the Unit Shift control valve…
Gurley paper permeability (porosity) tester for sale
Another commercial paper mill laboratory instrument we are putting up for sale is a Gurley Tester, which measures the porosity or permeability of a sheet of paper by trying to blow air through it as defined in TAPPI test T460.…
Laboratory Handsheet Former for sale
We bought this handsheet former several years ago as part of a lot of commercial papermaking laboratory equipment and it is time we tried to sell it. This unit is for making standardized test sheets following TAPPI (The American Pulp…
Monotype Pneumatics Identification
I’ve started tracing all the pneumatic plumbing on my Monotype caster, and at least now I’ve identified all the various control valves hanging off the table apron. This may be old news to any Monotype pros who may be out…
Top