Truck Roof Bow Roll Forming Machine Data Sheet | Technical Specifications
Truck Roof Bow Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name Truck Roof Bow Roll Forming Machine
Profile Produced Truck roof bow profiles / roof support channels
Machine Type Single profile / adjustable roof bow roll forming machine
Production Application Truck roof structures, cargo vehicle roof supports and transport equipment framing
Manufacturing Process Continuous cold roll forming with optional punching
Production Environment Truck body manufacturing plant / vehicle fabrication facility
Truck roof bow roll forming machines produce curved or straight structural steel profiles used to support the roof structure of trucks, trailers and cargo vehicles. Roof bows provide structural reinforcement to the roof panels and maintain rigidity in large vehicle body structures.
These profiles are widely used in truck body manufacturing and cargo transport equipment.
Production Specifications
Specification Typical Value
Production Speed 10–25 m/min
Forming Stations 16–24 stations
Material Thickness Range 1.2–3.0 mm
Coil Width 120–300 mm
Coil Weight Capacity 3–6 tons
Cut Length Tolerance ±1 mm
Minimum Profile Length 1000 mm
Maximum Profile Length 6000 mm
Roof bow profiles may require slight curvature or shaping depending on vehicle design.
Material Compatibility
Material Type Supported
Cold Rolled Steel Yes
Galvanized Steel Yes
Aluminum Optional
Stainless Steel Optional
Galvanized steel is often used to improve corrosion resistance in vehicle roof structures.
Material Strength
Property Typical Range
Yield Strength G300 – G550
Tensile Strength Up to 600 MPa
Coating Types Galvanized / painted / aluminum
These materials provide strength and durability for vehicle roof structures.
Machine Frame Construction
Component Specification
Frame Type Heavy duty welded structural steel frame
Frame Plate Thickness 16–22 mm
Machine Base Heavy fabricated steel base frame
Frame Alignment Precision machined mounting surfaces
Machine Weight 12–16 tons
Rigid machine construction ensures accurate forming of roof bow profiles.
Roll Tooling Specifications
Specification Typical Value
Roller Material GCr15 bearing steel
Heat Treatment HRC 58–62
Roller Diameter 75–100 mm
Shaft Diameter 75–90 mm
Shaft Material 40Cr alloy steel
Surface Finish Hard chrome plating
Roll Pass Design Roof bow profile forming system
Forming Stages 16–24 stations
Roll tooling gradually forms the steel strip into roof support channels.
Drive System
Component Specification
Drive Type Gearbox drive / chain drive
Main Motor 7.5–15 kW
Drive Ratio 1:20
Transmission Industrial gearbox
Lubrication Oil bath gearbox
The drive system ensures stable forming speed and smooth production.
Hydraulic Cutting System
Component Specification
Cutting Type Hydraulic post cut or flying cut
Blade Material Cr12 tool steel
Cutting Accuracy ±1 mm
Hydraulic Pressure 10–16 MPa
Hydraulic Motor 4–5.5 kW
Hydraulic cutting systems provide precise profile lengths.
Punching System
Component Specification
Punch Type Hydraulic punching system
Application Mounting holes and fixing slots
Punch Capacity 30–60 tons
Punching Speed Synchronized with forming line
Punching systems create holes used for installing roof bows in truck body frames.
Control System
Component Specification
PLC Siemens / Mitsubishi / Delta
HMI Touch screen operator interface
Length Measurement Rotary encoder measurement system
Control Accuracy ±1 mm
Automation Fully automatic production line
Control system functions include:
Automatic length control
Punch position 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 12–18 m
Machine Width 1.8–2.5 m
Machine Height 1.6–2.0 m
Total Production Line Length 20–26 m
Typical production line layout:
Uncoiler → Leveling System → Punching System → Roll Forming Machine → Hydraulic Cutting → Run-out Table
Coil Handling Equipment
Specification Value
Uncoiler Type Hydraulic decoiler
Coil Capacity 3–6 tons
Coil Inner Diameter 450–550 mm
Coil Outer Diameter Up to 1400 mm
Expansion Type Hydraulic expansion
Optional Equipment
Equipment Description
Automatic Stacker Profile stacking system
Servo Feeder Precision feeding system
Coil Car Automatic coil loading system
Curving Unit Optional roof bow curving system
Remote PLC Monitoring Remote diagnostics and monitoring
Automation improves production efficiency and reduces manual handling.
Installation Requirements
Requirement Typical
Foundation Reinforced concrete floor
Floor Load Capacity 12–16 tons
Electrical Connection Three phase industrial power supply
Air Supply Optional
Installation Time 2–3 days
Maintenance Requirements
Component Maintenance Interval
Gearbox Oil 6 months
Bearings 6 months
Hydraulic Oil 12 months
Punch Tool Inspection Monthly
Roll Tooling Inspection Monthly
Routine maintenance ensures consistent roof bow profile production.
Production Capacity Example
Production Speed Output
10 m/min 600 m/hour
20 m/min 1200 m/hour
25 m/min 1500 m/hour
Production capacity depends on profile geometry and steel thickness.
Truck Roof Bow Profile Information
Specification Value
Profile Type Roof bow support channel
Typical Width 60–150 mm
Material Thickness 1.2–3.0 mm
Typical Length 2000–6000 mm
Roof bows support truck roof panels and maintain structural rigidity of vehicle bodies.
Machine Standards
Standard Description
CE Certification European machinery safety standards
ISO 9001 Manufacturing quality management
Automotive Manufacturing Standards Vehicle body structural component standards
Truck roof bow roll forming machines produce structural roof support components used in truck bodies, cargo vehicles and transport equipment.
Shipping Information
Specification Value
Container Size 40 ft container
Shipping Weight 14–18 tons
Packaging Industrial export packing
Typical Machine Price Range
Machine Type Price Range
Basic Line $100,000 – $150,000
Automatic Punching Line $150,000 – $210,000
Fully Automated Roof Bow Line $230,000+
Pricing depends on punching systems, profile size range and automation level.
Applications
Industry Use
Truck Manufacturing Truck roof support structures
Trailer Manufacturing Cargo vehicle roof framing
Transportation Equipment Vehicle body structures
Logistics Vehicles Cargo transport vehicle roofs
Truck roof bow roll forming machines are widely used in vehicle body manufacturing to produce structural roof support profiles used in trucks, trailers and cargo transport vehicles worldwide.