The fixture keeps the part stationary while it is printed. For digital printers, the fixture is key.Glass, for example, needs to be flame-treated to pass basic adhesion testing and then coated with MagiCoat glass primer to pass wash testing. Also similar to pad printing, some substrates will need to be pre-treated before printing.Whereas LDPE and HDPE cups would work better with BB Ultra Flexible UV ink for digital printers. For example, the best UV ink for glass is the DL Series UV ink for glass. Just like pad printing, the inks in digital printing will depend on the substrate you are printing on.Digital cylinder printers such as the X360, Helix or Revolution were designed to print high-quality, full-color graphics directly onto cups, glasses and other cylindrical items. Using an attachment on a flatbed printer will be slowery and less vibrant than a dedicated digital cylinder printer. You can opt for a strictly cylinder printing machine or you can go with an attachment to a flatbed printer. There are a few digital machines to choose from.This is especially important for print more than one color to ensure the best registration. Finally, the fixture is used to hold the product in place.Again, the product supplier will provide instructions. Just as some products need to be pre-treated, others need to be dried to ensure optimal adhesion.The pre-treatment mix will be spelled out by the product supplier and instructions will be provided. This can be in the form of flame, corona or chemical (wipe-on primer). Some products, such as some plastics, will require pre-treatment. This shallowly etched plate is set on the machine and ready to accept ink. Finally, the plate or cliche is where the artwork lives. If you choose a 90mm, 1-color machine, you will get 1 90 mm ink cup/ring. The cup and ring are dependent on the machine. For pint glasses or shot glasses, a hollow pad is typically chosen to get the slight wrap. The pad will be picked depending on your product and overall design goals.
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