Hollow Door Frame Roll Forming Machine Data Sheet | Technical Specifications
Hollow Door Frame Roll Forming Machine Technical Data Sheet
Machine Overview
Parameter Specification
Machine Name Hollow Door Frame Roll Forming Machine
Profile Produced Hollow Steel Door Frame Profiles
Machine Type Single profile / adjustable door frame roll forming machine
Production Application Hollow metal door frames for residential, commercial, and industrial buildings
Manufacturing Process Continuous cold roll forming
Production Environment Factory production line / door frame manufacturing facility
The hollow door frame roll forming machine produces hollow steel door frame profiles used for interior and exterior door installations. These frames provide structural support and are commonly used for fire-rated doors, security doors, and commercial door systems.
Hollow door frames are widely used in residential buildings, commercial facilities, hospitals, schools, and industrial structures.
Production Specifications
Specification Typical Value
Production Speed 8–18 m/min
Forming Stations 18–26 stations
Material Thickness Range 1.0–2.0 mm
Coil Width 200–500 mm
Coil Weight Capacity 5–8 tons
Cut Length Tolerance ±1 mm
Minimum Frame Length 600 mm
Maximum Frame Length Unlimited
Hollow door frame machines are designed to form closed structural profiles with accurate dimensions.
Material Compatibility
Material Type Supported
Galvanized Steel Yes
Cold Rolled Steel Yes
Pre-painted Steel Optional
Stainless Steel Optional
Aluminum Limited
Galvanized steel is commonly used for hollow door frames due to corrosion resistance and durability.
Material Strength
Property Typical Range
Yield Strength G300 – G550
Tensile Strength Up to 550 MPa
Coating Types Galvanized Z120 – Z275
High-strength steel ensures structural durability for door frame systems.
Machine Frame Construction
Component Specification
Frame Type Heavy duty welded structural steel frame
Frame Plate Thickness 20–28 mm
Machine Base Reinforced fabricated steel base
Frame Alignment Precision machined mounting surfaces
Machine Weight 10–18 tons
The rigid machine frame ensures stable forming of hollow structural profiles.
Roll Tooling Specifications
Specification Typical Value
Roller Material GCr15 bearing steel
Heat Treatment HRC 58–62
Roller Diameter 90–120 mm
Shaft Diameter 80–100 mm
Shaft Material 40Cr alloy steel
Surface Finish Hard chrome plating
Roll Pass Design Hollow door frame forming system
Forming Stages 18–26 stations
Roll tooling gradually forms the steel strip into hollow door frame profiles with precise dimensions.
Drive System
Component Specification
Drive Type Gearbox drive system
Main Motor 11–22 kW
Drive Ratio 1:20
Transmission Industrial gearbox
Lubrication Oil bath gearbox
Gearbox drive systems provide high torque required for forming thicker structural steel materials.
Hydraulic Cutting System
Component Specification
Cutting Type Hydraulic flying cut or post cut
Blade Material Cr12 tool steel
Cutting Accuracy ±1 mm
Hydraulic Pressure 12–20 MPa
Hydraulic Motor 5.5–7.5 kW
Hydraulic cutting ensures accurate frame lengths during production.
Control System
Component Specification
PLC Siemens / Mitsubishi / Delta
HMI Touch screen control 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 12–18 m
Machine Width 1.8–2.5 m
Machine Height 1.8–2.3 m
Total Production Line Length 20–30 m
Typical production line configuration:
Uncoiler → Leveling System → Punching System → Roll Forming Machine → Hydraulic Cutting → Run-out Table
Coil Handling Equipment
Specification Value
Uncoiler Type Hydraulic decoiler
Coil Capacity 5–8 tons
Coil Inner Diameter 450–550 mm
Coil Outer Diameter Up to 1500 mm
Expansion Type Hydraulic expansion system
Optional Equipment
Equipment Description
Punching System Hinge holes and lock holes
Automatic Stacker Frame stacking system
Servo Feeder Precision feeding system
Coil Car Automatic coil loading system
Remote PLC Monitoring Remote diagnostics and monitoring
Punching systems allow hollow door frames to be produced with hinge cut-outs and lock openings.
Installation Requirements
Requirement Typical
Foundation Reinforced concrete foundation
Floor Load Capacity 10–18 tons
Electrical Connection Three phase industrial power supply
Air Supply Optional for punching systems
Installation Time 2–3 days
Maintenance Requirements
Component Maintenance Interval
Gearbox Oil 6 months
Bearings 6 months
Hydraulic Oil 12 months
Roll Tooling Inspection Monthly
Routine maintenance ensures long machine life and reliable door frame production.
Production Capacity Example
Production Speed Output
8 m/min 480 m/hour
12 m/min 720 m/hour
18 m/min 1080 m/hour
Production output depends on frame profile complexity and material thickness.
Hollow Door Frame Profile Information
Specification Value
Profile Type Hollow steel door frame
Typical Width 80–120 mm
Material Thickness 1.0–2.0 mm
Typical Lengths 2–3 meters
Hollow door frames provide strong structural support for heavy doors and fire-rated door systems.
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 40 ft container
Shipping Weight 12–20 tons
Packaging Industrial export packing
Typical Machine Price Range
Machine Type Price Range
Basic Line $70,000 – $110,000
Automatic Frame Line $110,000 – $160,000
High Speed Automatic Line $180,000+
Pricing depends on punching systems, automation level, and production speed.
Applications
Industry Use
Residential Construction Hollow door frame production
Commercial Buildings Fire rated door frames
Industrial Facilities Security door frames
Institutional Buildings Hospitals, schools, office buildings
Hollow door frame roll forming machines are widely used by construction material manufacturers because they produce durable steel frames used in commercial and industrial door installations.