In the world of book manufacturing, the finishing touches often define the quality and appeal of the final product—especially for hardcover books, diaries, notebooks, and board books. Sharp, unprocessed corners can be easily damaged, detract from the premium look of hardcovers, and reduce the durability of book blocks. Three specialized corner rounding machines from HX address these needs, delivering precise, smooth, and efficient corner processing for both hardcover cases and book blocks: the HX60R Hardcover Case Corner Rounding Machine, HX60BCR Automatic High Speed Book Block Round Corner Trimming Machine, and HX500CR Semi Auto Hardcover Book Case Corner Rounding Machine. Together, they cater to different production scales and requirements, ensuring every book meets the highest standards of craftsmanship.
Designed to integrate seamlessly with hardcover case making machines, the HX60R Hardcover Case Corner Rounding Machine is a dedicated solution for hardcover case corner processing. Finished hardcover cases are conveyed into the working area via a conveyor belt, then pressed and formed into round corners by air cylinders and a heated press—ensuring the rounded edges are smooth and mellow, without cracks or unevenness. After corner rounding, the cases are automatically sent to a collecting table for batch stacking with counting functionality, streamlining the post-processing workflow. This machine is specifically used to round the corners of book covers, making it an essential tool for hardcover book production.
For high-productivity book block corner trimming, the HX60BCR Automatic High Speed Book Block Round Corner Trimming Machine is the ideal choice. It is engineered to process the book blocks of diaries, notebooks, perfect bound books, board books, and photo books, and can be seamlessly connected with three-knife trimmers. After three-side trimming, book blocks are fed into the machine via an automatic feeder, and its patented precise single-angle positioning trimmer system ensures the book block’s round corners are precise and smooth. The corner mold is easy to change, adapting to different corner radius requirements, while automatic counting and stacking functions enable a fully hands-free, high-efficiency process—achieving a speed of up to 35 cuts per minute.
The HX500CR Semi Auto Hardcover Book Case Corner Rounding Machine offers an economical, user-friendly solution for hardcover case corner rounding. It transforms straight-corner hardcover cases into round corners with different radius models as required by customers, without the need to modify the front-end case making process. Equipped with forming and heating functions, it ensures consistent, high-quality corner forming with excellent performance. With its easy operation and cost-effective price point, this semi-automatic machine is the perfect partner for case makers, especially small to medium-sized enterprises looking to enhance hardcover quality without heavy investment.
From fully automatic integration with production lines to semi-automatic cost-effective solutions, the HX60R, HX60BCR, and HX500CR cover every corner rounding need for hardcover cases and book blocks. Each machine is designed to deliver precision, efficiency, and durability, helping printers and book manufacturers elevate product quality, reduce manual labor, and streamline production workflows.
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