8/6/2023 0 Comments Metal spiral binding coilsA project’s complexity and turnaround time also are important factors to consider. There are systems putting out 25 plastic spiral bound books a minute.”Ĭompanies that are producing documents in-house should consider outsourcing the job based on the size of the job and equipment capabilities. “From a production standpoint, metal spiral always has been viewed as a more automated process, but plastic spiral has seen a tremendous development in this regard. Metal and double loop wire have sharp edges that can snag,” she said. “Plastic spiral also is a smoother product, especially when in the hands of children. Metal and double loop wire have limited color choices available, while plastic spiral comes in over 50 different colors, Massey said. This is important with maps and ledgers,” he said. “That is the nature of spiral binding, but pages from left to right line up perfectly with a book bound with double loop wire. Spiel agreed, adding the left side’s “drop” is about one-half-of-a-hole lower. “Plastic spiral will “drop” when opened – as the opened books left side follows the angle of the coil.” Plastic spiral is more durable and will bounce back and hold its shape if or when pressure is applied.” When a straight registration of the open book is required, double loop wire is the choice, she noted. “Metal spiral and double loop wire easily are distorted and bent when shrinkwrapped or packed. Plastic spiral is much more durable, but viewed – in some overseas markets – as the weaker of the two products.” Even though there has been a spike in the use of plastic coil in the European market, “double loop wire is much more popular elsewhere in the world,” Spiel said.Īll types of binding have their pros and cons, Massey said. It’s an interesting perception because it is very easy to bend and distort wire binding – even just during transport. “Designers in the US tend to get excited over the range of colors with plastic coil.”Īdded Massey: “Wire binding still often is viewed as the “strong” binding, because it is produced from metal. “There are many states that bar the use of wire in school books or books for children,” he said. In the US especially, plastic coil has become the binding method of choice, Spiel added. “Plastic spiral binding seems to have become the number one choice for student agenda books because of its safety and durability factors, as well as vast color selection.” “For example, calendars and desk calendars often still are done with double loop wire because when the item is opened, the double loop wire provides for even registration between the open sections,” she said. The popularity of one type of binding over another pertains more to the types of projects being bound, Massey said. With plastic spiral binding, the pre-formed coil is wound through the punch holes and the ends crimped to complete the process. With double loop wire binding, the pre-punched book is “hooked” onto the open wire and then the wire is closed to contain the sheets. Single strand wire binding typically is done with an automatic process – the metal wire being formed and wound through the punch holes to complete the book. Plastic spiral binding, single strand wire binding and double loop wire binding all are mechanical types of binding, explained Anna Massey, sales and marketing manager with Gateway Bookbinding Systems Ltd., Winnipeg, MB, Canada. Plastic also is more durable, said David Spiel, co-owner of Spiel Associates, Long Island City, NY, “although some feel that wire is more aesthetically pleasing.” Double loop wire is recommended when a straight registration of the open book is required. Since plastic coil comes in a variety of colors, it often can be matched to a theme or to a companys corporate identity. Determining if a project needs to utilize plastic coil or wire, though, starts with knowing how the finished product should look. With the right tools, companies can have professionally punched and bound documents produced in-house. Mechanical binding can be a cost-effective way to create bound documents that open flat and can offer 360-degree rotation. By Jen Clark, The Binding Edge Plastic coil comes in a variety of colors and often can be matched to a theme or to a company’s corporate identity.
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