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Paper Machine Stainless Carbon Steel Coating Creping Doctor Blade

The doctor blade is one of the most important blade for paper machine. It's mainly used for removing the contaminant on the surface of the rollers and keep the rollers clean. Sun Hong have many different material of doctor blade, we can suggest suitable material for you accroding to your paper machine.
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Sun Hong Doctor Blade Series


The Function of Doctor Blade

Paper machine doctor blade is used to remove contaminant, water, broken paper, and pulp fibers from the surface of the roller to prevent these substances from accumulating and damaging the fabric and felts or affecting the quality of the paper.


Doctor Blade Apply for Different Use Position

  • Apply for forming section:They are used for breast roller, couch roller, wire drive guide roller to ensure the cleanliness of the white water system and prevent fiber blockage.

  • Appliy for Press Section :They are used for top press roll and felt guide roll, removing broken paper, and protecting the press felt.

  • Apply for Dryer Section: They are install at the psotion of dryer cylinder, keep dryer cleaning and increase heat transfer efficiency.


Material of Doctor Blade

The doctor blade have many different material, metal material such as steel, bronze, stainless steel and composition material such as HDPE, glass fiber, expoy resin, carbon fiber material.


Metal Series Doctor Blade

Precision Copper Alloy Blades

cooper bronze doctor blade

Carbon Steel SK-5


Quanched carbon steel (carbon content 0.75%)

Hardness: HV470-520

carbon steel doctor blade

Stainless Steel


Quenched stainless steel ( containing 13% chromium)

Hardness: HRC42-46

Standard Thickness: 1.2mm

stainless steel doctor blade

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