Catalog excerpts

Pads - 1

Pads are, without a doubt, the most important and delicate elements of the pad printing process. They take the ink from the plate and deposit it on the object to be printed. During this operation they must guarantee that the characteristics and the quality of the graphics to be transferred are kept. In order to work perfectly, the pads must meet certain chemical and physical requirements which guarantee their operation. Choosing the correct pad requires a deep knowledge of the printing process, as this choice must take the following main aspects into consideration: • • • • • • • dimensions and type of graphics to be printed; the shape of the surface of the object to be printed; the type of ink to be used; the type of etch on the plate; the speed of the printing cycle; the amount of pressure on the pad; the pad printing machine available. TOSH offers its own technical experience and proposes a complete range of pads, to meet any printing requirement. A specific pad catalogue illustrates TOSH’s varied production and supplies detailed information on the characteristics taken into consideration when choosing a pad. All types of pads on the catalogue are in stock and ready to deliver. TOSH also produces pads of special shapes or materials, to meet specific client needs. The pad has a typical pointed shape on a round base. The pointed shape is necessary in order to correctly take up the ink from the engraving in the plate while avoiding air bubbles which would compromise printing quality. Pads with sharper edges are generally used for flat surfaces, while pads with rounded profiles are used for convex surfaces. The ideal contact angle between the object surface and the pad surface lies between 20° and 50°. A suitably high pad compresses itself easier than a lower one, thus limiting deformations more effectively. Pad dimensions should therefore be about 30% larger than the graphics to be printed.

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Pads - 2

Each single TOSH pad is produced in 4 types of rubber, with different quality, elasticity, hardness and resistance. White rubber These pads are softer but offer good printing quality and excellent chemical resistance; particularly suitable for machines with low printing strength. White rubber is produced in 2 standard levels of hardness: hardness A (0° Shore A) hardness B (2° Shore A) Yellow rubber Higher chemical resistance, in particular to catalysts. Yellow rubber is produced in two standard levels of hardness: hardness A (1° Shore A) hardness B (5° Shore A) The availability of a wide...

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All TOSH srl catalogs and technical brochures

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  2. special

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  3. saddle

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  4. bar

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  5. round base (

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  6. Logica Macro

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  7. Logica 100

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  8. Logica 07

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  11. LOGICA 02

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  12. LOGICA 01

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