Knowledge
Blade Decisions, Explained By The People Who Grind Them.
Written for maintenance engineers and purchasing teams who have to justify a blade choice to somebody else.
Carbide Slitting Blades Vs Tool Steel: When The Expensive Blade Is The Cheap One.
Buyers compare unit price because unit price is easy. The number that matters is cost per slit metre — and once abrasive film, glass-filled tape or nonwoven is in the web, tungsten carbide slitting blades routinely win it by an order of magnitude. This piece walks through the arithmetic: change frequency, downtime per change, regrind cost, scrap generated during run-out, and the point at which carbide stops being worth it.
It also covers the two mistakes that make carbide look bad — mounting it in a holder with too much run-out, and sending it to a grinder without carbide-capable wheels.
Ask us to run the numbers on your line
Latest articles
Recent Posts
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Cost per slit metre, not cost per blade. How to build the business case for carbide slitting blades on abrasive film and nonwoven lines — and when tool steel is still the right call.
Grit, metal fragments and moisture decide shredder blade life more than feedstock type. What hardness, toughness and mounting arrangement actually hold up in plastic recycling and waste processing.
Corrosion resistance and edge retention pull in opposite directions. How to choose stainless grade, hardness and finish for food processing blades that are cleaned every shift.
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Tell Us Which Blade Problem Is Costing You The Most.
Press brake tooling radius selection, paper slitting blade dust, crusher blade re-tipping, small shredder screen sizing — our article list follows the questions customers actually send. Ask yours and it may become the next post, with your name kept out of it.