sheets warping??

I am new to letterpress, i just had a designer ask me this question. i don’t know the answer. I have a c&p 8×12 os. here is the question:

“What’s  your printer’s max color runs before your sheets start warping?”

That’s funny! I don’t have any litho experience, but could it be that they were thinking of the paper warping as the cylinder or blanket got warm, or something? I think you can safely answer “an infinite number!”

i asked her to be more clear with her question, she has experience with letterpress.”I should be clearer..I meant the paper stretches the more times you send into press”does this really happen?thank you for your time,ondine

It does, but I think only if the paper is damp or if it’s going around a cylinder . . . or if the press involves water or dampness!

Funny, just ran a job and experienced some paper warp! Nothing major, but it was still there. It happened on the first color, but not really the other three. I was using Lanaquarelle 140# on my Windmill. This has never happened with the other stocks that I frequently use, like Reich’s Savoy, Lettra, Mohawk Superfine on the Windmill or my Vandercook.There are probably a bunch of variables like stock, packing, image size, etc.Sorry I can’t be more helpful!

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