Basic knowledge of printing (offset printing) printing

1, first, we need to know the number of specifications, and the normal flat sheet size can be divided into magnanimity and normal degree. The full size specification is 119cm* 89cm (47 inches *35 inch), cut into two sheets, call it open, open four, call it four, open 8, call 8 open (A3), cut 16 into 16 open (A4). The full size of the positive paper is: 108cm* 78cm (43 inches *31 inches), and the same cut for two positive pairs,... And so on。 It is generally necessary to keep the 1cm machine bite the bite of the paper and the 0.5cm cross color sleeve on both sides. Of course, our company is mainly with roll paper, so it can be converted to square meter.
2, paper and printing paper is generally divided into offset paper, such as ordinary copy paper, writing paper; coated paper, matt coated paper thickness more than 200g called card, such as coin card, used mostly for the album and single color advertising; white paper, white cardboard, mostly used in carton packing box; there is no carbon paper, self-adhesive paper, specialty paper, and sulfuric acid paper, carton paper, core paper, kraft paper etc.. The thickness of paper in general g calculation, generally refers to the 157G coated paper coated paper thickness is 157 grams per square meter, the greater the number of grams of paper is thick. Printing is used to 500 piece of paper called 1 sheets, the paper is to make the number of tons of price, the number of grams per ton paper of various thickness are not the same, the table can refer to.
The printing quality first to see if there is no registration, printing dot is strong and clear, there is no paper layout dirty and scratches, trimming line or printed text have broken pen, color uniform, such as check proofing proofs. The cost of printing is usually calculated by the color order, that is, one color of each order of paper is called 1 color order.
3, India: finishing process with complex film, matte film, bronzing, oil, UV, folding, binding, sewing binding, die-cutting, indentation fine E corrugated tile etc.. There are also packing, delivery, cash and so on. In general, we have to advance payment when we accept business signing contracts. It is normal to prepay 30%-50%, because the contents of the printed matter are custom-made, and others are not used.