![]() ![]() We are available to assist you with a unique solution. It’s also why we don’t have these items sitting on a shelf. Your equipment, your customer’s needs, and your tooling are all unique. ![]() There are really no standard solutions to anything involving slitting. What is standard when it comes to hardness, fit, OD relationships, etc? I need rubber rings with a clamping groove. Really? If dual durometer didn’t work, don’t conclude it is because you don’t have enough durometers. The reason it isn’t working is not because you don’t have enough. How thick should the inner layer be on dual durometer? (Doesn’t seem right to charge more for something that doesn’t work, does it?) We have strong opinions about what type of construction is best. We will make it for you if you really want it. Dual durometer isn’t doing what you think or what you’ve been told. Yes, we answer the phone.ĭual durometer stripper rings are the best? Right? Right? Harder durometer shouldn’t be used for hard to cut materials. That depends on a number of factors, but the most important is the thickness of the material that you are cutting. It has been said “Grind me now, or replace me later.” Maybe you can do it less often, and save money, but you’ll be sacrificing the usable life of the rings by causing over-compression. Best practices are to grind rubber rings every knife grind. Successful slitting requires that you to establish the correct OD relationship between the knives and the rubbers, and then maintain it. ![]() How often should I grind my stripper rings? If your referring to how long they stay snug, then that is a function of the number or cycles (basically revolutions) and the amount of compression (deflection, or strain) in each cycle. That depends on how much work they are asked to do. Just because you got a quote for nitrile somewhere else, it doesn’t mean it is going to be a good rubber stripper ring. Nordic Company has developed a proprietary formula (secret recipe) for rubber stripper rings which meets the demands of the metals processing industry. Instead of a grade, Nitrile is made to a formula or recipe. However, Nitrile (and most elastomers and most plastics and polymers) do not have standardized grades like the metals industry. Nitrile is resilient, has excellent oil resistance, and can be made in various colors.īut saying something is Nitrile is about as descriptive as saying something is steel. Of the many types of materials which could be used, Nitrile has some very unique properties suited for stripper rings. Rubber stripper rings are elastomers used to push back on the strip during slitting, like ejector pads or springs in dies. The term elastomer refers to any polymer with elastic properties, or “rubber-like” properties. There are various types of materials used to make elastomers. Neoprene is another type of elastomer, generally not recommended for slitting applications. They are different terms for the same material. Nitrile is the more modern term for Buna N. I get confused on differences between Buna N, Nitrile, neoprene, and neapolitan? Please don't add or subtract clearances.īut we can make tight fit, slip fit or loose fit too You can choose any one of our vibrant colors. We have to know the actual OD of your spacers in order to properly manufacture your rings. We will automagically adjust the fit to your requested type of fit (see box at right). Should match the OD size of your metal spacers. Information Required for Quotes and Ordersįor specific recommendations on knife diameter to rubber diameter, please contact us. Hub and clamp rings (sheet slitter or slear rings).We offer several types of Rubber Stripper Rings ![]() We have 30 years of experience of solutions to your technical problems and advice for proper use and care of rubber stripper rings.We can provide vibrant colors which are easily identifiable when dirty and in low light.See Ordering Requirements for more information. Beside the most common request of snug fit, we can also make them tight, slip or loose. We provide different types of fit for the ID of the rings to the spacers.We can also offer rubber stripper rings with fiber reinforcement to help maintain fit for demanding applications.Our material is engineered to resist damage from oil, to retain its size and shape and resists stretching, and can be maintained by grinding. There is no one else who has this recipe. Nordic Stripper Rings are manufactured from a time tested and field proven proprietary nitrile formula.Nordic custom manufactures Stripper Rings to suit your specific requirements. ![]()
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