75 - 120mm Carbon Steel Doctor Blade Applications In Paper Making Machine

Brand Name:YUXING
Certification:CHINA LIGHT INDUSTRY STANDARD
Model Number:CUSTOMIZED
Minimum Order Quantity:10PCS
Delivery Time:3 WORK DAYS
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Location: Jinhua Zhejiang China
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6. Quenched steel doctor blades used in the cylinder dryer of paper making machine


Doctor blades is the main part of the paper machine scraper which used for cleaning the rolls’ surface.


Scraper device

Components include: clamps, scraper blades, bearings, pressure and pressure relief devices, swinging devices.

Pressing part blade: a pressure roller blade to clean fine fibers and fillers, and a blade on the blanket guide roller to prevent dirt from contaminating the carpet, because the small fibers and fillers tend to transfer from the carpet to the smooth roller surface.

Drying blade: Press on the inlet and outlet of each group of dryers to remove paper breaks and dirt on the cylinder surface


Quenched steel doctor blades used in the cylinder dryer of paper making machine

No.Materialapplicationtolerance
1C100,sk4,sk5,stainless steel ,carbon steelInk ,coating

Width:±0.1mm;

Thickness:±0.005mm


Problems and solution :

ProblemsReasonsSolution
Uneven wear

Uneven roller surface

Damaged fixture

Fouling

Use a softer spatula

Cleaning maintenance fixture

Use a wear-resistant spatula

Middle or end heavy wear

Mismatch between scraper and roller

Excessive or virtual contact with the spatula due to prolonged use

Reassembly and use of shims to adjust the relationship between fixture and scraper seat

Replace with new scraper

Excessive wear on the paper feed sectionPaper leaves dirt on rollers or cylinders

Use a wear-resistant spatula

Handle scraper edges often

Use edge slotted blades to prevent excessive end pressure

Serious wear on the outside of the paper feed sectionSheets lubricate the rollersreduce pressure
Jagged

Fouling on rollers

Excessive scraper pressure

Material is too hard

Use a wear-resistant spatula

relieve pressure

Use a softer spatula


China 75 - 120mm Carbon Steel Doctor Blade Applications In Paper Making Machine supplier

75 - 120mm Carbon Steel Doctor Blade Applications In Paper Making Machine

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