Profile Machine

The creation of profiled metal sheets like PPGL (Pre-Painted Galvalume) and PPGI (Pre-Painted Galvanized Iron) using specific profiles like 25mm, 35mm, and 45mm involves a roll forming machine. This machine is designed to continuously bend and shape a flat strip of metal into a desired profile.

Components of the machine

Automatic Decoiler: The first step involves loading a large coil of PPGL or PPGI material onto the decoiler. This unit holds and unwinds the metal strip, feeding it smoothly into the subsequent stages.

Feeding Guide: As the coil unwinds, a feeding guide ensures the metal strip enters the roll forming section precisely and maintains proper alignment throughout the process.

Roll Forming Unit: This is the core of the machine, composed of a series of roller sets mounted on stands. Each set of rollers progressively shapes the metal strip by applying incremental bends. The rollers are designed to gradually achieve the desired cross-section profile, whether it's 25mm, 35mm, or 45mm.

Rollers: These rollers are crucial for achieving the specific profile dimensions (25mm, 35mm, or 45mm). They are meticulously crafted from materials like 45# steel and undergo treatments like quenching and hard chroming for durability and precision.

Shafts: The rollers are mounted on solid shafts, typically made from EN8 steel with tempering treatment for strength.

PLC Control System: A Programmable Logic Controller (PLC) system controls the entire roll forming process. This system automates critical functions like adjusting the roll forming speed, controlling the cutting operation, and managing the overall workflow for accuracy and efficiency.

Hydraulic Cutting System: Once the metal strip achieves the desired profile and length, a hydraulic cutting system precisely cuts the formed sheet according to pre-programmed specifications.

Process Explained

Material Preparation: PPGI and PPGL sheets are essentially steel substrates with a coating layer.

PPGI has a zinc coating for rust resistance, while PPGL features a superior aluminum-zinc alloy coating.

Roll Forming: The coated coil is fed into the machine, unwound by the decoiler, and guided into the roll forming unit.

Profile Shaping: The sheet travels through successive sets of rollers, each set applying a small bend. With each pass, the sheet's shape progresses towards the final desired profile (e.g., 25mm, 35mm, or 45mm trapezoidal ridges with baby ribs in between).

Cutting: After forming the complete profile, the hydraulic cutting system cuts the sheet to the desired length.

Quality Control: The finished sheets are then inspected for quality, color consistency, and overall appearance.

Features:

This machine enable you to make all straight, contoured and intermediate cut with a bevel on a large variety of stiffeners.

The length of the machine is 10 meters.

There is a variety of corrugation 25, 35 and 45 profiles are available.

Liner Machine

Features:

The conversion of plain coil in to the ribbed sheets by this machine

The movement this machine is controlled by the motor

9 to 12 stages of roller to form the desired output for the sheets.

The length of the machine is 7 meters.