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1. The lack of co-pressing pressure may leave a slight gap between the doctor blade and the anilox roller. This causes excess coating oil to remain on the roller and is therefore applied to the plate, and when the printing press is at rest Polishing oil will leak out.
2. One or two doctor blades, possibly with seals or blade splints, have been worn or contaminated. These parts should be checked once a week and cleaned as needed. If you do not apply the coating at any time, you should lift the cavity and lubricate the seals. If the blade wears excessively, it may be necessary to use different types of synthetic, long-life, or ceramic blades, or use non-segmented blades if quality standards permit. Causes of wear that should be avoided are abrasive pigments (such as titanium oxide in water-based opaque white paint; UV opaque white paint can be used as an alternative) and anilox rollers with incorrect surface finishes or abrasive sculpting patterns.
3. The speed of the printing press may be too high, causing turbulence and cavitation of the coating oil (formation and collapse of the low-pressure area in the flowing liquid), thereby instantaneously pushing the doctor blade back.
Smearing is a phenomenon that can occur both at the upper and lower blades, even when the seal is tight and the blade has sufficient pressure. Leakage is not its cause.
4. If the blade pressing pressure is too high, the two doctor blades will bend in their length direction so that the side of the blade does not come into contact with the roller. Trying to repair this loosening of the contact line by increasing the build-up pressure will only worsen the problem.
5. The open anilox roll engraving part (ART, ART-TIF) has no mesh wall and therefore cannot form a tight seal with the blade. So even when the printer is at rest, low-viscosity coatings can leak.
6. Excessive pressure (filling pressure) in the squeegee cavity may squeeze the coating out of the cavity.
7. Centrifugal drift may occur on the shadowing rollers, especially when the texture resolution is less than 50 lines per inch and the use of low viscosity coatings. Centrifugal force drives the coating along the endless groove, allowing the coating to collect at one end. It is advisable to use different engravings and enamels or higher viscosity coating.
Flower stands are designed as a kind of shelves and intended as an elegant stand for flowers grown not only indoors, but also on porches and balconies. They come in numerous designs – high or low – in a variety of styles, richly decorated or with strict minimalist lines, and they contribute to the appearance of every room. Flowers and plants make a room more inviting, comfortable and add freshness to the decor. However, when indoor plants and flowers become too many, homeowners are faced at the question how to arrange them in such a way so that to enjoy their beauty, but not overload the space? The obvious answer is to get a flower stand which will allow you to display your flowers and save valuable living space.
Flower stands can be designed either as a separate vase for home plants or as a composition which accommodates a miniature garden. Flower stand ideas differ in shapes, sizes, height, width, color and material. You can choose from classic designs, as well as unusual and original models. It may be a single stand for a pot with flowers or a stand for several pots. The advantage of a flower stand compared to any other furniture pieces is that it can help you to arrange the flower pots at different levels, combining them so that the larger flowers do not overshadow the smaller ones.
Typically flower stands are used to organize the pots in a vertical installation and the largest plants are placed on top while smaller plants are arranged at the lower levels.modern-flower-stand-design-ideas-modern-home-accessories-plant-stands-ideasDespite the fact that flower stands are not considered as the most important furniture pieces they often are an accent in the interior or exterior designs. For example, wrought iron options will perfectly complement the interior of a bedroom or living room and, at the same time, will look good as an element of the garden or patio decor. Wooden designs also perfectly fit into the interior and can be used in almost any style – from rustic, Provence, Shabby chic to modern, contemporary and minimalist.
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