Numbers on the rotary blade?
#1
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Join Date: Apr 2018
Location: NW MN lake country
Posts: 3,333
Numbers on the rotary blade?
For years I have used a 45mm rotary cutter and wondered what the numbers on the blade are for, or how they are to be used, but never asked anyone. Is this a stupid question that I should already know the answer to?
Last edited by SueZQ from MN; 11-22-2019 at 06:25 PM. Reason: bad grammar
#3
The original rotary blade was designed to fit a safety cutter that positioned each section of the rotary blade in a fixed position to be used upon the dulling of the previous section. The numbers represented each of those sections. When OLFA introduced the original rotary cutter in 1979, the numbers became irrelevant, but have been maintained as a sort of historical feature representing the original rotary blade.
Last edited by QuiltnNan; 11-23-2019 at 04:11 AM. Reason: shouting/all caps
#5
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Join Date: Jun 2019
Location: Iowa
Posts: 377
Thanks, Anita - thats good info! You know the Olfa Chenille cutter has a dial with numbers on it so that you can click ahead to a different place on the blade when it get dull so the cutter must be based on the original idea you told us about.
#6
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Join Date: Apr 2018
Location: NW MN lake country
Posts: 3,333
Thank you so much ILoveToQuilt. You have taught this baby boomer something new today and it's information that I don't have to learn to use. Whoopee!!! I love this board and all of the knowledgeable and helpful members that are here.
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