Rosback

Rosback 850 Perfect Binder

Single-clamp semi-automatic perfect binder for short-run hot-melt adhesive binding work. The 850 model handles spine lengths up to 15 in and book thicknesses from 4 sheets to 2 in.

Manufacturing · MACHINERY

850

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Technical specifications

Brand	Rosback
Category	MACHINERY
Industry	Manufacturing
Minimum book thickness	4 sheets
Maximum book thickness	2 in (50 mm)
Maximum spine length	15 in (380 mm)
Maximum cycle speed	450 cycles/h
Average production speed	200 books/h
Height	17 in (43 cm)
Width	19.7 in (50 cm)
Length	45.3 in (115 cm)
Net weight	225 lb (103 kg)
Shipping weight	325 lb (148 kg)
Milling head motor	3 HP
Stated electrical supply	110 V
Stated country of origin	Italy

Written datasheet — Rosback 850 Perfect Binder

The Rosback 850 is a single-clamp semi-automatic perfect binder intended for hot-melt adhesive binding of books and short-run publications. The located information identifies it as model and MPN 850 under the Rosback brand.

The machine includes in-line spine notching to help adhesive penetrate the spine, with the notching function switchable off for pad work. It is also described with a cover nipper that automatically adjusts to book thickness and a side-gluing unit.

According to the distributor-published specifications, the working range covers from 4 sheets up to 2 in book thickness and spine lengths up to 15 in. With an indicated average production rate of 200 books per hour and compact dimensions, it fits print shops, binderies, and on-demand publication production.