{"id":811,"date":"2026-06-10T00:21:14","date_gmt":"2026-06-09T16:21:14","guid":{"rendered":"https:\/\/helimachinery.com\/?post_type=product&p=811"},"modified":"2026-07-15T16:11:02","modified_gmt":"2026-07-15T08:11:02","slug":"hl420-fully-automatic-corner-rounding-machine","status":"publish","type":"product","link":"https:\/\/helimachinery.com\/ru\/product\/hl420-fully-automatic-corner-rounding-machine\/","title":{"rendered":"HL420 \u2014 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0441\u0442\u0430\u043d\u043e\u043a \u0434\u043b\u044f \u0441\u043a\u0440\u0443\u0433\u043b\u0435\u043d\u0438\u044f \u0443\u0433\u043b\u043e\u0432"},"content":{"rendered":"

Technical Specifications<\/b><\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n
Parameter<\/strong><\/td>\nSpecification<\/strong><\/td>\n<\/tr>\n
Max. Size<\/strong><\/td>\n420\u00d7300 mm<\/td>\n<\/tr>\n
Min. Size<\/strong><\/td>\n140\u00d790 mm<\/td>\n<\/tr>\n
Max. Book Thickness<\/strong><\/td>\n65 mm<\/td>\n<\/tr>\n
Production Speed<\/strong><\/td>\n30 cycles\/min<\/td>\n<\/tr>\n
Motor Power<\/strong><\/td>\n3 KW<\/td>\n<\/tr>\n
Air Consumption<\/strong><\/td>\n8 m\u00b3\/h<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

FAQs<\/b><\/strong><\/h2>\n
<\/p>\n

1<\/span><\/i><\/i>What is the maximum corner rounding speed?<\/div>
<\/p>\n

The HL-420 achieves 30 cycles\/min for automatic corner rounding.<\/p>\n

<\/div><\/div>\n<\/p>\n

2<\/span><\/i><\/i>What book sizes can this corner rounding machine handle?<\/div>
<\/p>\n

Max. 420\u00d7300 mm, min. 140\u00d790 mm, max. thickness 65 mm.<\/p>\n

<\/div><\/div>\n<\/p>\n

3<\/span><\/i><\/i>Can different corner radii be produced?<\/div>
<\/p>\n

Yes. Different corner radii are achieved by simply replacing the rounding die.<\/p>\n

<\/div><\/div>\n<\/p>\n

4<\/span><\/i><\/i>What types of products can it process?<\/div>
<\/p>\n

Notebooks, exercise books, diaries, and similar paper products.<\/p>\n

<\/div><\/div>\n<\/p>\n

5<\/span><\/i><\/i>Where is this book finishing machine manufactured?<\/div>
<\/p>\n

Manufactured by Lanxi Heli Machinery in Lanxi, Zhejiang, China. China factory direct.<\/p>\n

<\/div><\/div>\n<\/p>\n

<\/div><\/div>\n\n

Video<\/b><\/strong><\/h2>\n

Video coming soon<\/p>","protected":false},"excerpt":{"rendered":"

Short Description<\/b><\/strong><\/h5>\n

The HL-420 High-Speed Fully Automatic Corner Rounding Machine presses square-corner books into round corners at 30 cycles\/min. For notebooks and exercise books \u2014 China factory direct.<\/p>\n

    \n
  • High-speed corner rounding machine \u2014 30 cycles\/min, max 420\u00d7300 mm<\/li>\n
  • book thickness 65 mm with temperature adjustment control<\/li>\n
  • Interchangeable rounding dies for different corner radii<\/li>\n
  • For notebooks, exercise books and diaries \u2014 China factory direct<\/li>\n<\/ul>","protected":false},"featured_media":833,"template":"","meta":[],"product_brand":[],"product_cat":[51,39],"product_tag":[],"class_list":{"0":"post-811","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-others","7":"product_cat-auxiliary-equipment","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/helimachinery.com\/ru\/wp-json\/wp\/v2\/product\/811","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/helimachinery.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/helimachinery.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/helimachinery.com\/ru\/wp-json\/wp\/v2\/media\/833"}],"wp:attachment":[{"href":"https:\/\/helimachinery.com\/ru\/wp-json\/wp\/v2\/media?parent=811"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/helimachinery.com\/ru\/wp-json\/wp\/v2\/product_brand?post=811"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/helimachinery.com\/ru\/wp-json\/wp\/v2\/product_cat?post=811"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/helimachinery.com\/ru\/wp-json\/wp\/v2\/product_tag?post=811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}