1, reduce the blade contact pressure, extend the use of time
The blade contact pressure, the printing roller and the ink properties determine the degree of wear of the blade. If the printing roller and the doctor blade fit well and come into complete contact, the pressure on the doctor blade is less than one tenth of the original working width of the printing roller. When the technical parameters of the doctor blade meet the strict flatness requirements, the contact pressure of the doctor blade is minimized and its service life is greatly extended. PDB strips are due to the implementation of strict technical standards, which minimizes the contact pressure during blade operation.
2. Uniform printing effect without any ink lines and burrs
The tiny particles adhering to the edge of the doctor blade and the cracks and inclusions of the doctor blade will generate ink lines and burrs when printed. Developed and developed specifically for gravure and flexographic printing, PDB20MCI strips eliminate the need to completely eliminate ink lines and burrs.
3, reduce the printing roller wear
Minimized contact pressure reduces the wear of the printing roller and extends its service life. Scrapers made of homogeneous metallurgical steel mean a long service life. PDB's refined strips are specially designed for high-quality ink scrapers. Its uniform metallurgical structure guarantees the long service life of the squeegee, and the cutting edge will not be cracked or chipped.
4, the performance of the finished blade
4.1, steel
20MCI
C1.00%Si0.30%Mn0.70%Cr0.35%
20C
C1.00%Si0.30%Mn0.45%
SS716
C0.38%Si0.50%Mn0.55%Cr13.5%Mo1.00%
4.2, mechanical properties
Tensile strength in quenched and tempered state:
20MC1&20C: 1960N/mm2(580HV)SS716:1910N/mm2(565HV)
4.3, surface state
20MCI and 20C: high-precision glossy surface and blue shiny surface
SS716: High-precision glossy surface
4.4, width tolerance
The width tolerance band of each strip is narrower than the usual tolerances. The width between the different coils varies by +/- 0.10 mm. Width tolerances are more stringent within the same coil or in the length of each blade, with a working edge tolerance of +/- 0.03 mm and a tolerance of +/- 0.05 mm on the other side.
4.5, flatness
The PDBSTRIP strip has an unevenness of 0.3% over the entire width. Different degrees of flatness deviation will have different effects on the blade performance. Ink unevenness due to cracking or unevenness in the edges will not occur.
4.6, straightness
The straightness of the squeegee is the most important factor. The straightness of carbon steel scraper is ≤1.0mm/3000mm, and the straightness of stainless steel scraper is ≤1.1mm/3000mm.
Poor: +5/-0 mm
4.8, size range: width: 8-100 mm, thickness: 0.065-0.203 mm
4.9, scraper standard edge
l Right-angled edge, used directly.
l Circular edge, used directly.
With a beveled edge, the standard bevel is 20 degrees. The blade can be used as it is, depending on the need for 10 to 85 degrees.
The blade contact pressure, the printing roller and the ink properties determine the degree of wear of the blade. If the printing roller and the doctor blade fit well and come into complete contact, the pressure on the doctor blade is less than one tenth of the original working width of the printing roller. When the technical parameters of the doctor blade meet the strict flatness requirements, the contact pressure of the doctor blade is minimized and its service life is greatly extended. PDB strips are due to the implementation of strict technical standards, which minimizes the contact pressure during blade operation.
2. Uniform printing effect without any ink lines and burrs
The tiny particles adhering to the edge of the doctor blade and the cracks and inclusions of the doctor blade will generate ink lines and burrs when printed. Developed and developed specifically for gravure and flexographic printing, PDB20MCI strips eliminate the need to completely eliminate ink lines and burrs.
3, reduce the printing roller wear
Minimized contact pressure reduces the wear of the printing roller and extends its service life. Scrapers made of homogeneous metallurgical steel mean a long service life. PDB's refined strips are specially designed for high-quality ink scrapers. Its uniform metallurgical structure guarantees the long service life of the squeegee, and the cutting edge will not be cracked or chipped.
4, the performance of the finished blade
4.1, steel
20MCI
C1.00%Si0.30%Mn0.70%Cr0.35%
20C
C1.00%Si0.30%Mn0.45%
SS716
C0.38%Si0.50%Mn0.55%Cr13.5%Mo1.00%
4.2, mechanical properties
Tensile strength in quenched and tempered state:
20MC1&20C: 1960N/mm2(580HV)SS716:1910N/mm2(565HV)
4.3, surface state
20MCI and 20C: high-precision glossy surface and blue shiny surface
SS716: High-precision glossy surface
4.4, width tolerance
The width tolerance band of each strip is narrower than the usual tolerances. The width between the different coils varies by +/- 0.10 mm. Width tolerances are more stringent within the same coil or in the length of each blade, with a working edge tolerance of +/- 0.03 mm and a tolerance of +/- 0.05 mm on the other side.
4.5, flatness
The PDBSTRIP strip has an unevenness of 0.3% over the entire width. Different degrees of flatness deviation will have different effects on the blade performance. Ink unevenness due to cracking or unevenness in the edges will not occur.
4.6, straightness
The straightness of the squeegee is the most important factor. The straightness of carbon steel scraper is ≤1.0mm/3000mm, and the straightness of stainless steel scraper is ≤1.1mm/3000mm.
Poor: +5/-0 mm
4.8, size range: width: 8-100 mm, thickness: 0.065-0.203 mm
4.9, scraper standard edge
l Right-angled edge, used directly.
l Circular edge, used directly.
With a beveled edge, the standard bevel is 20 degrees. The blade can be used as it is, depending on the need for 10 to 85 degrees.
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