Description of J Trim profile Rolling Forming Machine

J Bead Trims are reveal-style galvanized steel casings designed to provide strong and neat terminations for drywall around door and window openings, offering maximum protection and clean edges. These trims create a neat finish at junctions or where gypsum panels meet contrasting surfaces like columns and window mullions. The hemmed edges make installation fast and eliminate the need for joint compound.

Metal’s short leg J Bead Trim offers a clean, secure, and smooth edge, with both legs angled to ensure a firm grip on gypsum or other sheathing materials. The outer edge of the long leg has a slight bevel for a snug fit, and the base of the long leg features a subtle rib, acting as a screed for applied finishes.

Channel-type J Trim is commonly used as a terminal edge where wallboard meets other surfaces, providing a tidy, protective finish for drywall edges at windows and doors. These metal trims serve various functions, including protecting the free edges of gypsum wallboards ranging in thickness from 1/2″ to 5/8″.

Profile drawing:

J Trim profile rolling forming machine working flow:

The Technical Specifications Of The J Trim profile Rolling Forming Machine：

This machine is specifically designed to produce J-channels, which are commonly used as trim around windows and doors in vinyl and aluminum siding installations and are frequently used for soffit applications. J-channels are also ideal for finishing areas where horizontal siding meets another material. The production line consists of a 5-ton manual decoiler, a roll forming system, hydraulic cutting, and tables for the finished products.

More pictures of the machine：