Doctor Blade & Holder
- Product Details
Doctor Blade & Doctor Blade Holder
Doctor Blade is used in all parts of the paper machine and board machine to remove excess pollutants, chemical accumulation, paper dust, etc. on the surface of the roll or cylinder, and prevent the paper from wrapping around the roll or cylinder. Doctor blades are also used to remove paper from the roll surface during paper breaks or during paper threading. Doctor blades must be inspected and cleaned regularly to ensure their continued, safe, and efficient operation. As machine widths and speeds increase, doctor blades play an increasingly important role in cleaning roll surfaces and guiding paper during machine operation.
★ Carbon Fiber Doctor Blade
★ Epo-Fiber Glass Doctor Blade
★ HDPE Doctor Blade
★ Lqt (Phosphor) Blade
★ Creping Doctor Blade
★ Stainless Steel Doctor Blade
Doctor Blade Holder
Manual self-weight doctor blades are generally used in the drying section of paper machines,
Pneumatic pressure doctor blades are generally used for wire and tension rolls in the press section.
★ K35 Holder
Common Doctor blade holder in the paper industry. The pressurization method is self-weight pressurization, which relies on the handle to land and does not require an air source. It can also be equipped with a cylinder to adjust and control the scraper line pressure and the opening and closing of the scraper body. The contact pressure with the roller surface can be adjusted by fine-tuning the screw and the knife holder.
★ DST Blade Holder
Pneumatic doctor blades are currently the most widely used, also known as DST doctor blades, applied to the rolls of each part of the paper machine. It adopts full-width airbags to pressurize the whole, so that the scraper is more evenly attached to the roller surface, which can clean the roller surface more effectively, reduce broken ends and increase the service life of the roller.
The pneumatic tire pressurized doctor blade holder is made of all stainless steel. The doctor blade device consists of three parts: pneumatic thumb, holder, and swing device. The core component is the pneumatic thumb.
It is connected with the doctor blade holder through the rotating shaft. The doctor blade is inserted in the middle of the pneumatic thumb tool magazine. The pressurization of the doctor blade is completed by the pressurization and decompression of the pneumatic thumb. The scraper body is used to fix the pneumatic thumb. It must There is enough rigidity and straightness.
In order to better protect the roller surface, the doctor blade needs to reciprocate at a constant speed. According to the different use environments, there are two options for the swing device: pneumatic and electric. For the convenience of changing rolls, the doctor blade holder can be installed on the doctor blade holder to be rotated by an air cylinder to obtain a larger space.
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