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Screen Printing Column (42)

~It's rubber after all~

Urethane rubber is most commonly used for squeegees used in screen printing. Since it is made of rubber, it will wear little by little due to friction with the screen plate. If the tip of the squeegee wears out, the contact state between the squeegee and the plate will change, affecting print quality. It would be nice if the squeegee didn't wear out in the absence of a "squeegee grinder" (see February 2013 column).

When I talked about this at a company, the engineer who developed the squeegee polishing machine complained, "What will happen to my work?!" However, the author secretly conducted an experiment.

Abrasion-resistant material is hard, so it cannot be used as a squeegee as it is. For example, I know I can't print on a scraper that is made of stainless steel. Therefore, I attached a wear-resistant thin material (such as stainless steel or ceramics) to the tip of the squeegee. Since it is thin, it bends along with the rubber. It also has the elasticity of rubber. I named this hybrid squeegee and printed it immediately. (Of course, it's a secret to the development engineer of the squeegee grinder)

Now print!!!
However.
"Unable to print ----------------!!!!!!!!!!!!!!!!"
Peel off the pasted object. ------------------ "Ready to print!!!!!!!!"
I thought that the tip of the squeegee needed rubber.
Mr. N, who is developing a squeegee polishing machine, came there.
Mr. N: “What are you doing?”
Author "Test of squeegee that does not decrease"
Mr. N "What's the result?"
Author "No, I can't print"
Mr. N: “Actually, I developed a high-performance squeegee polishing machine.”

I have to take off my hat.

NEWLONG's squeegee grinder will undergo a model change. Stay tuned!
NEWLONG SEIMITSU KOGYO CO.,LTD.
〒141-0022
Tokyo, Shinagawa-ku, Higashi-Gotanda 3-21-5
TEL.03-3473-1155
FAX: 03-3473-5055
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