How to Gather and Palletize Folded Signatures from a Web Press

A web press prints on a roll before cutting. Recall old movie scenes of newspapers on big metal drums? That's a web press. Now, you have two ways to collect and palletize its printed and folded signatures.

A web press undertakes the printing task on a roll of paper prior to its being cut. Visualize the scenes in vintage films where newspapers are coursing along colossal metal cylinders – that precisely exemplifies a web press.

A web press represents a type of printing press that makes use of a continuous roll of paper. This printing modality is customarily employed for generating magazine and newspaper publications. Web press printing is engineered to fulfill high-volume and high-speed printing requisites.

Web presses are deployed for large-scale production runs of printed matter. Commonly, magazines and newspapers are printed via web presses. Even books, manuals, and calendars are printed on web presses provided the quantities are substantial enough to render the production economically viable.
In contrast to a sheet-fed press where individual sheets of paper are fed into the press sequentially, a web press is supplied with a continuous roll of paper that streams through the press.
After the printing process, the pages are segregated, trimmed to the appropriate size, and assembled into the final product, such as mass-market books, magazines, newspapers, catalogs, and brochures. Those seeking print runs with over 10,000 or 20,000 impressions generally opt for the web press alternative.

Unlike sheet-fed printing that demands offline finishing apparatuses like folding and cutting machines for the subsequent steps, the web press frequently features in-line finishing functions including perforating, cutting, and folding. This enables the production of completed products in a single operation, meaning the product is ready upon exiting the press.

So how to collect the folding signatures from web press, normally have two different ways for choosing:

Web Press Signatures Collecting, Stacking and Palletizing System

The Web Press Signatures Collecting, Stacking and Palletizing System, which incorporates a conveyor equipped with flat pressing and flapping capabilities, along with stacking sets and a palletizing robot.

The web press, which is equipped with folding units, is then connected to the web press stacker. The continuous stream of folded signatures is collected by the stacker. Subsequently, the signature stacks are sent to the Web Press Signatures Collecting, Stacking and Palletizing System. In this system, the signature stacks will undergo flat pressing and flapping to ensure alignment on both sides. The orderly stack is then grasped by the robot arm with a clamp and palletized onto a pallet.

This system can reduce the need for at least 4 operators to complete this process. Moreover, the entire system is capable of handling the high speed of the web press, reaching up to 40,000 pieces per hour.

Web Press Signatures Collecting, Bundling and Palletizing System

For the folded signatures from the web press, in order to enhance the subsequent processes such as gathering, sewing, and binding, it is necessary for the signatures to be completely flat pressed. Therefore, the Web Press Signatures Collecting, Bundling and Palletizing System, which comprises an Automatic Vertical Pressing Delivery with Bundling Machine and a palletizing robot, is connected to the web press. The stream of signatures will be stacked and bundled. The signature bundles will then be grasped by the robot arm with a clamp and palletized onto a pallet.

This Automatic Vertical Pressing Delivery with Bundling Machine is designed for collecting folded signatures. It vertically gathers the folding signatures, flattens and flaps the stack in an orderly manner, and then pushes them into the bundling station. It automatically inserts partition boards at both ends and binds the stack with a 3000N pressure. It represents a fully automatic delivery system for large-scale production of folding signatures, eliminating the need for manual labor and achieving a completely intelligent and automatic folding process. Its speed is compatible with all brands of web presses and can reach up to 40,000 pieces per hour.

So now you have two different ways to collect and palletize the web press printed and folded signatures.


Tag:web press,folding signature,stacking,bundling machine,signature

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