Valley Flashing Roll Forming Machine Data Sheet | Technical Specifications
Valley Flashing Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name Valley Flashing Roll Forming Machine
Profile Produced Roof Valley Flashing Profiles
Machine Type Single profile / adjustable trim roll forming machine
Production Application Roof valley drainage flashing, roofing trim components
Manufacturing Process Continuous cold roll forming
Production Environment Factory production line / roofing accessory manufacturing
The valley flashing roll forming machine produces metal flashing used in roof valleys where two roof slopes meet. Valley flashing channels rainwater away from the roof structure and prevents water infiltration.
Valley flashing is widely used in residential roofing, commercial buildings, agricultural structures, and industrial roofing systems.
Production Specifications
Specification Typical Value
Production Speed 15–40 m/min
Forming Stations 10–16 stations
Material Thickness Range 0.3–0.7 mm
Coil Width 300–600 mm
Coil Weight Capacity 3–5 tons
Cut Length Tolerance ±1 mm
Minimum Panel Length 500 mm
Maximum Panel Length Unlimited
Valley flashing machines are designed for high-speed production of roofing trim components.
Material Compatibility
Material Type Supported
Galvanized Steel Yes
Pre-painted Steel Yes
Galvalume Steel Yes
Aluminum Optional
Copper Optional
Pre-painted steel and aluminum are commonly used for valley flashing because they match roofing panel colors and provide corrosion resistance.
Material Strength
Property Typical Range
Yield Strength G250 – G350
Tensile Strength Up to 400 MPa
Coating Types Polyester, SMP, PVDF coatings
Protective coatings improve weather resistance and durability of roofing flashing.
Machine Frame Construction
Component Specification
Frame Type Welded structural steel frame
Frame Plate Thickness 14–20 mm
Machine Base Fabricated steel base frame
Frame Alignment Precision machined mounting surfaces
Machine Weight 4–7 tons
The machine frame provides stability during high-speed flashing production.
Roll Tooling Specifications
Specification Typical Value
Roller Material GCr15 bearing steel
Heat Treatment HRC 58–62
Roller Diameter 60–80 mm
Shaft Diameter 60–75 mm
Shaft Material 40Cr steel
Surface Finish Hard chrome plating
Roll Pass Design Valley flashing forming system
Forming Stages 10–16 stations
Roll tooling gradually forms the coil into the valley flashing profile.
Drive System
Component Specification
Drive Type Chain drive system
Main Motor 5.5–11 kW
Drive Ratio 1:20
Transmission Industrial chain drive
Lubrication Automatic chain lubrication system
Chain drive systems are commonly used in trim roll forming machines.
Hydraulic Cutting System
Component Specification
Cutting Type Hydraulic post cut
Blade Material Cr12 tool steel
Cutting Accuracy ±1 mm
Hydraulic Pressure 10–16 MPa
Hydraulic Motor 3–5.5 kW
Hydraulic cutting ensures precise flashing lengths during production.
Control System
Component Specification
PLC Delta / Siemens / Mitsubishi
HMI Touch screen interface
Length Measurement Rotary encoder system
Control Accuracy ±1 mm
Automation Fully automatic production
Control functions include:
Automatic length control
Batch production programming
Production monitoring
Fault diagnostics
Emergency stop system
Electrical Specifications
Parameter Value
Voltage 380V / 415V / 480V
Frequency 50 Hz / 60 Hz
Control Voltage 24V
Electrical Cabinet IP54 industrial enclosure
Protection Overload protection and circuit breakers
Machine Layout Dimensions
Parameter Value
Machine Length 6–10 m
Machine Width 1–1.5 m
Machine Height 1.3–1.8 m
Total Production Line Length 10–15 m
Typical production line configuration:
Uncoiler → Roll Forming Machine → Hydraulic Cutting → Run-out Table
Coil Handling Equipment
Specification Value
Uncoiler Type Manual or hydraulic decoiler
Coil Capacity 3–5 tons
Coil Inner Diameter 450–550 mm
Coil Outer Diameter Up to 1200 mm
Expansion Type Mechanical or hydraulic expansion
Optional Equipment
Equipment Description
Double Layer System Two trim profiles in one machine
Automatic Stacker Trim stacking system
Coil Car Automatic coil loading
Servo Feeder High precision feeding system
Remote PLC Monitoring Remote diagnostics and monitoring
Installation Requirements
Requirement Typical
Foundation Level industrial floor
Floor Load Capacity 4–7 tons
Electrical Connection Three phase power supply
Air Supply Optional
Installation Time 1–2 days
Maintenance Requirements
Component Maintenance Interval
Gearbox Oil 6 months
Bearings 6 months
Hydraulic Oil 12 months
Roll Tooling Inspection Monthly
Routine maintenance ensures consistent flashing quality and machine reliability.
Production Capacity Example
Production Speed Output
20 m/min 1200 m/hour
30 m/min 1800 m/hour
40 m/min 2400 m/hour
High-speed production allows roofing manufacturers to produce large quantities of flashing components.
Valley Flashing Profile Information
Specification Value
Profile Type V shaped valley flashing
Typical Width 300–600 mm
Material Thickness 0.3–0.7 mm
Typical Lengths 2–4 meters
Valley flashing is installed where two roof slopes meet to channel water safely down the roof.
Machine Standards
Standard Description
CE Certification European machinery safety standards
ISO 9001 Manufacturing quality management
Electrical Compliance Industrial electrical safety standards
Shipping Information
Specification Value
Container Size 20 ft container or shared container
Shipping Weight 4–7 tons
Packaging Industrial export packing
Typical Machine Price Range
Machine Type Price Range
Basic Trim Machine $18,000 – $30,000
Automatic Trim Line $30,000 – $50,000
High Speed Trim Line $60,000+
Pricing depends on machine speed, automation level, and flashing profile complexity.
Applications
Industry Use
Residential Roofing Roof valley drainage protection
Commercial Roofing Roof water management
Industrial Buildings Roof flashing systems
Metal Roofing Systems Valley flashing components
Valley flashing roll forming machines are widely used by roofing manufacturers because they produce essential drainage components that prevent water infiltration at roof valleys and protect roof structures from water damage.