Composite Metal Deck Roll Forming Machine User Manual | Setup, PLC Controls & Operation Guide

Composite Metal Deck Roll Forming Machine Manual

Complete Setup, Operation, Controls and Production Guide

Introduction

This Composite Metal Deck Roll Forming Machine Manual provides a complete guide for safely setting up, operating, and maintaining a roll forming production line used to manufacture composite metal deck panels.

Composite metal deck panels are structural steel profiles designed to work together with poured concrete to form composite floor systems in steel buildings. The steel deck acts as permanent formwork while also reinforcing the concrete slab.

Composite deck systems are widely used in:

• high-rise buildings
• commercial construction
• multi-story offices
• parking structures
• industrial buildings

Composite deck panels provide:

• strong structural floor systems
• reduced concrete weight
• faster construction
• improved load distribution

A composite deck roll forming machine typically includes an embossing system that creates patterns in the steel to improve bonding between the steel deck and the concrete.

This manual explains:

• loading steel coil onto the uncoiler
• preparing and feeding strip into the machine
• aligning entry guides and forming stations
• programming deck panel lengths
• operating PLC controls and jog systems
• testing embossing and cutting systems
• inspecting finished composite deck panels
• troubleshooting production problems

This manual is intended for:

• roll forming machine operators
• steel building manufacturers
• structural steel fabricators
• construction material factories
• maintenance technicians

1. Machine Overview

A Composite Metal Deck Roll Forming Machine forms flat steel strip into ribbed structural deck panels using multiple roll forming stations.

The machine gradually forms the steel strip into a deep ribbed profile designed to support wet concrete during floor construction.

Embossing patterns are applied to the steel surface to improve the mechanical bond between the steel deck and concrete slab.

Composite metal deck systems are commonly used in:

• composite floor construction
• steel frame buildings
• parking structures
• office buildings
• commercial construction

Common composite deck types include:

• 2" composite deck
• 3" composite deck
• 1.5" composite deck
• deep composite deck profiles

Typical Materials Processed

Common materials include:

• galvanized structural steel
• high strength galvanized steel
• galvalume steel

Typical Material Thickness

0.75 mm – 1.50 mm

Heavy-duty machines may process material up to 2.0 mm thickness.

Typical Production Speed

10 – 22 meters per minute

Production speed depends on:

• embossing requirements
• material thickness
• deck profile depth

2. Typical Machine Layout

A typical composite metal deck roll forming production line includes:

• Hydraulic Uncoiler
• Entry Guide System
• Embossing Unit
• Roll Forming Stations
• Encoder Length Measuring System
• Hydraulic Cutting System
• PLC Control Panel
• Runout Table or Automatic Stacker

Material flow through the machine:

Steel Coil → Entry Guides → Embossing Unit → Roll Forming Stations → Encoder → Hydraulic Cutoff → Finished Deck Panels

3. Safety Before Operating the Machine

Operators must perform safety checks before starting production.

Pre-Start Safety Inspection

Before starting the machine ensure:

• emergency stop buttons function properly
• machine guards are installed
• hydraulic hoses are secure
• electrical cabinets are closed
• no tools or debris are inside the machine

Required Personal Protective Equipment

Operators should wear:

• safety glasses
• steel toe boots
• gloves when handling sheet metal
• hearing protection

Important Safety Rules

• never reach into roll forming stations during operation
• never stand directly in front of moving strip
• never remove safety guards while machine is running
• stop machine before making adjustments

4. How to Load Steel Coil onto the Uncoiler

Step-by-Step Procedure

1. Stop the roll forming machine completely.
2. Retract the uncoiler mandrel.
3. Lift the coil using forklift or overhead crane.
4. Position the coil in front of the mandrel.
5. Slide the coil onto the mandrel.
6. Expand the mandrel until the coil is secured.
7. Center the coil evenly.
8. Install hold-down arm if available.
9. Adjust uncoiler brake tension.

What to Watch For

• coil not centered
• coil slipping on mandrel
• excessive brake pressure
• loose mandrel expansion

Improper loading can cause strip tracking problems and deck profile defects.

5. Preparing the Coil Leading Edge

Before feeding strip into the machine the coil edge must be prepared.

Procedure

1. Carefully remove steel banding.
2. Prevent sudden coil expansion.
3. Inspect first 300–500 mm of strip.
4. Cut away damaged material.
5. Square the leading edge.
6. Remove burrs if necessary.

Why This Step Matters

Damaged strip edges can cause:

• feeding problems
• embossing defects
• roller damage
• machine jams

6. Threading the Coil Through the Machine

Procedure

1. Open entry guides fully.
2. Feed strip manually into embossing unit.
3. Use jog mode to slowly move strip forward.
4. Continue feeding through roll forming stations.
5. Guide strip through cutting section.
6. Feed strip onto runout table.

Safety Warning

Never place hands between rotating rolls during operation.

7. Aligning and Centering the Strip

Proper strip alignment is essential for producing accurate composite deck panels.

Procedure

1. Observe strip entering first roll station.
2. Adjust entry guides left or right.
3. Ensure strip runs parallel to machine centerline.
4. Maintain equal clearance between guides.
5. Run machine slowly to observe strip tracking.

Signs of Poor Alignment

• deck panel twisting
• uneven rib formation
• strip drifting sideways
• excessive guide contact

8. Complete Composite Deck Machine Setup Parameters

Material Type: Galvanized structural steel
Material Thickness Range: 0.75 – 1.50 mm
Coil Width: 900 – 1250 mm depending on deck profile
Coil Weight: Up to 10 tons
Coil Inner Diameter: 450 – 520 mm
Entry Guide Clearance: Coil width + 1–2 mm
Forming Stations: 18 – 26 stations
Machine Speed (Setup): 5 – 10 m/min
Machine Speed (Production): 10 – 22 m/min

Roll Gap Setup

Roll gap should be set to:

Material thickness + 0.05–0.10 mm clearance

Example:

Material thickness = 1.2 mm
Recommended roll gap = 1.30 mm

Incorrect roll gap may cause:

• profile distortion
• roller wear
• inaccurate rib dimensions

9. PLC Control System Overview

Modern composite deck machines use a PLC touchscreen control system.

The PLC controls:

• machine start and stop
• deck panel length programming
• production quantity
• machine speed control
• hydraulic cutting timing
• encoder measurement

10. PLC Control Panel Functions

Typical controls include:

Start Button – starts machine
Stop Button – stops machine
Emergency Stop – emergency shutdown
Manual Mode – used during setup
Automatic Mode – used during production
Panel Length Input – sets panel length
Production Counter – tracks output quantity

11. Jog Mode Operation

Jog mode allows controlled machine movement during setup.

Jog Mode Uses

• feeding strip through machine
• aligning strip
• positioning strip for cutting setup

Jog Procedure

1. Switch machine to Manual Mode
2. Press Jog Forward
3. Machine moves slowly
4. Release button to stop

12. Programming Panel Length

Procedure

1. Open PLC production screen
2. Enter required panel length
3. Confirm measurement units
4. Run a test panel
5. Measure finished panel length
6. Adjust encoder calibration if necessary

13. Encoder Length Measurement System

Panel length is measured using an encoder wheel contacting the strip.

Typical accuracy:

±2 mm

14. Hydraulic Cutting Operation

The hydraulic shear cuts deck panels to programmed length.

Cutting sequence:

1. Encoder measures programmed length
2. PLC activates hydraulic valve
3. Hydraulic cylinder moves cutting blade
4. Deck panel is cut

17. Inspecting Finished Composite Deck Panels

Operators should inspect panels during production.

Inspection checklist:

• panel length
• cover width
• rib height
• embossing pattern quality
• panel straightness
• surface finish

18. Composite Deck Production Troubleshooting Guide

Panel Twisting
Possible Causes: strip misalignment
Recommended Solution: adjust entry guides

Poor Embossing Pattern
Possible Causes: embossing roller pressure incorrect
Recommended Solution: adjust embossing unit

Profile Distortion
Possible Causes: incorrect roll gap
Recommended Solution: adjust roll stations

Surface Scratches
Possible Causes: debris on rollers
Recommended Solution: clean rollers

22. Composite Metal Deck Roll Forming Machine Technical Specifications

Forming Stations: 18 – 26 stations
Material Thickness Range: 0.75 – 1.50 mm
Production Speed: 10 – 22 m/min
Drive System: Gearbox or chain drive
Embossing System: Steel embossing rollers
Cutting System: Hydraulic cutoff
Control System: PLC touchscreen control
Coil Weight Capacity: 8 – 10 tons
Coil Inner Diameter: 450 – 520 mm
Electrical Power Requirement: 380 – 480V three-phase power

23. Best Operator Practices

Experienced operators follow these practices:

• inspect the first deck panel carefully
• monitor embossing quality during production
• maintain proper strip alignment
• keep rollers clean
• stop machine immediately if abnormal noise occurs

Proper operation ensures consistent composite deck panel quality and long machine life.