On the main principle of self-made surfaces and the merits of printing – printing press, printing – silk screen printing industry, especially web
A home-made surface Print And the advantages
Surface printing device itself is not a high-tech products, is neither complicated nor profound, little understood principle of some mechanical brake, and have rich experience in screen printing can make the best per capita, hands-on self. Self-made surface printing device without a Electric Device, thus avoiding the use of gas path fault circuit maintenance caused trouble; In addition, the self-made surface printing device, light weight, low cost, easy and flexible, integrated and more able. Surface not only changed the traditional bulky printing press, expensive, single function, sluggish and rigid uniformity, but also cater to the modern surface of substrates specificity and diversity.
Second, what is the printing surface
The name suggests, all to achieve beautification, decoration, decorative purposes, the surface structure or shape is not flat, but curved, arc, concave, convex, forming the shape of objects of various materials, such as commonly used in our daily lives, the common cup, cup, mug, ashtray, all kinds of bottles, cylinders, and chemical, medical experiments using test tubes, smoked glass, measuring the surface such as a specific or non-specific location of the screen printing may apply as "surface printing . "
Third, the importance of scraper selection
Printing scraper in the choice of surface is the key (Note: sometimes neglected by many screen printers), scraper (also known as doctor blade), specifically a way to "shape Screen" on The ink extrusion to the substrates on the hand or machine tools, usually the thickness of 8 ~ 10mm, hardness degree 60 to 80 Shore (Shore A) of the polyurethane tape and install wood or aluminum handle form. Experienced screen printers know, surface printing doctor blade used must have "two high four resistant" conditions, that is, high elasticity, high hardness; resistance, chemical resistance, Solvent , Acid, abrasion. Especially when the chromatic printing fine curved objects, Scraper The choice is to pay attention, the only way to achieve the multiplier effect, proved true.
Four main principle of surface printing device
We cylindrical object to be made clear, cylindrical surface of substrates are mostly based on bearing type rolling diameter four-point support the completion of printing, surface printing device made no exception, but more than the other two sets of curved surface printing machinery equipment . Different from the conventional or taper in printing over large objects, and the case "with the" vessel, add attached to a special "mini auxiliary wheel" and the probe rod "diameter telescopic wheel."
special "mini auxiliary wheel" is a diameter of 0.8 ~ 2cm for objects (such as craft chopsticks, pen shell, brush pens, glass test tube, etc.) printing;
probe rod "diameter telescopic wheel" is great for taper external mirror alone can not support normal printing four objects, and "with the" substrates (such as ceramic cups, ceramic mug, stainless steel objects such as fast-food cups) and specially designed. Light smooth rotation of the device, but also according to the diameter size of the substrate free adjustment, is a six cavity support, adjustable telescopic rotating roll, the completion of printing. Printing operation in the formal scraping India, the workpiece positioning and overlay rules and practices use the same printing surface.
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