J Trim Roll Forming Machine Data Sheet | Technical Specifications
J Trim Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name J Trim Roll Forming Machine
Profile Produced J Trim / J Channel Roofing and Cladding Trim
Machine Type Single profile trim roll forming machine
Production Application Roofing trim, wall cladding trim, panel edge finishing
Manufacturing Process Continuous cold roll forming
Production Environment Factory production line / roofing and cladding accessory manufacturing
The J trim roll forming machine produces J channel trim used for finishing the edges of metal roofing and wall cladding panels. The J trim profile provides a clean edge and protects panel ends from weather exposure.
J trim is widely used in residential metal roofing, commercial buildings, steel structures, and siding systems.
Production Specifications
Specification Typical Value
Production Speed 15–45 m/min
Forming Stations 10–16 stations
Material Thickness Range 0.3–0.7 mm
Coil Width 200–400 mm
Coil Weight Capacity 3–5 tons
Cut Length Tolerance ±1 mm
Minimum Panel Length 500 mm
Maximum Panel Length Unlimited
Trim machines are designed for high-speed production of roofing and cladding accessories.
Material Compatibility
Material Type Supported
Galvanized Steel Yes
Pre-painted Steel Yes
Galvalume Steel Yes
Aluminum Yes
Copper Optional
Pre-painted steel is commonly used for J trim to match roofing or cladding panel colors.
Material Strength
Property Typical Range
Yield Strength G250 – G350
Tensile Strength Up to 400 MPa
Coating Types Polyester, SMP, PVDF coatings
Protective coatings provide corrosion resistance and weather protection.
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 rigid frame provides stable forming conditions during high-speed trim 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 J trim channel forming system
Forming Stages 10–16 stations
Roll tooling gradually bends the steel coil into the J channel trim 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 for 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 accurate trim lengths during continuous 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 reliable machine operation and consistent trim profile quality.
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 production speeds allow manufacturers to efficiently produce roofing and siding trim components.
J Trim Profile Information
Specification Value
Profile Type J shaped channel trim
Typical Width 25–60 mm
Material Thickness 0.3–0.7 mm
Typical Lengths 2–4 meters
J trim is used to finish panel edges and protect roofing or cladding systems from moisture intrusion.
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 trim profile complexity.
Applications
Industry Use
Residential Construction Roof and siding edge finishing
Commercial Buildings Cladding panel trim
Industrial Buildings Metal panel edge protection
Metal Roofing Systems Roof and wall trim components
J trim roll forming machines are widely used by roofing and siding manufacturers because they produce essential trim profiles that protect panel edges and provide a finished appearance for metal roofing and cladding systems.