Doctor Blade FAQs | Printing Blade Support – Supertech
Supertech Doctor Blades
Frequntly Asked Any Questions
Find answers about lamella doctor blades, materials, applications, maintenance, and printing performance from Supertech manufacturing experts.
What is a lamella doctor blade used for?
Lamella doctor blades are precision-engineered components used in flexographic and gravure printing to meter ink consistently. They help control ink film thickness, improve print clarity, and reduce press wear for stable production performance.
How do I choose the right doctor blade material?
Blade selection depends on your press type, ink system, substrate, and production speed. Options like high carbon steel, stainless steel, and polymer blades offer different durability, corrosion resistance, and wear characteristics.
How often should doctor blades be replaced?
Replacement frequency varies based on operating pressure, ink abrasiveness, and run length. Regular inspection helps maintain consistent ink transfer and prevents damage to anilox rolls or cylinders.
Can custom blade profiles improve print performance?
Yes. Custom edge geometry and profiling can optimize ink metering, reduce streaking, and improve print uniformity. Tailored blade solutions support specific press and application requirements.
Do doctor blades affect press component lifespan?
Properly selected and maintained blades reduce friction, uneven wear, and ink buildup, helping extend the life of anilox rolls, chambers, and related press components.