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This photo was sent to me by Amanda Stevenson, Curator at the Museum of Printing History in Houston, Texas who asked me to identify the press in the background. I recognized it as a Claybourn hand proof press made in Milwaukee, Wisconsin circa 1926. There should be a nameplate on the operator’s side and the [...]
I have been perusing the posts related to #4 form roller problems, specifically in regards to the clutch plate. I finally got a good handle on the source of all the racket that my press has been making for the last few months by adjusting the roller assembly and shimming the clutch plate. The issue [...]
Rather suddenly my rollers decided to crap out by not inking the form evenly. I am using photopolymer plates.
The Problem
Form is not being inked evenly. Ink is heaviest at the beginning of the form (the area the form rollers hit first). Based on the image above, it appears that the rollers are not freely [...]
My Uni I came to me without a roller setting gauge. Is it possible to get one, and if so, how? If (as I suspect) they’re vanishingly rare, can you recommend method for setting the height of the form rollovers without one?
Thanks!
A friend and I just had our rollers recovered from NA Graphics and we’re sitting here putting them back together and the gear will not line up where it is suppose to. It’s the same for both sets of rollers. We’ve tried each side and every roller trying to get the gear to line up. [...]
I am preparing to purchase new form rollers for my 315. They are dented and also concave by 4 or 5 thou ( how much of a problem is this?). The question is, what is the correct diameter of form roller. If someone has the spec on this, it would be great to know. In [...]
I’m sending off my SP20 form rollers to be re-covered, and want to strip off the old material first to save on shipping (they are quite heavy, and when I compare them to an extra core I have it’s clear that the old rubber compound makes up at least 50% of the weight). I’m apparently [...]
Thanks to all who have advised on my previous thread.
I’d like to go back to my original problem, as it still persists despite new rollers, and that is/was uneven inking over the bed of the press, lengthwise. I had a form set up with two plates, one close to the grippers, and the other about [...]
I sent my form rollers to be recovered and got them back without the MR110 pin that goes into the end of the shaft, the one with the rounded head that connects to the gear clutch. The roller company says they never saw them. When I prepped the rollers for shipping, I stripped off the [...]
On Vandercook Engineering Change #848, dated 8/15/61, the roller cores for these 2 presses were radically changed. We run into these 1961 and earlier presses with the old cores on occasion, and it makes replacing the rollers much easier to know the serial number, or even better, a photo when recovering the rollers or ordering [...]
Here is the drawing for the form roller pins on a No. 4, along with a photograph of the pins on my unit. Are the pins supposed to be as round as the drawing shows? In other words, is it time I had my pins replaced?
Thanks,
Barbara
Hello. I am a newbie restoring a No. 4. I have cleaned all of the moving parts and am putting everything back in place. When I turned on the motor for the first time and lowered the oscillating and form roller assemblies, I noticed a faint clacking sound that didn’t seem right. I turned [...]
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