ZhongTuo Automatic Window and Door Frame Roll Forming Machine for Steel and Aluminium 0 to 20 m/min

Door Frame Roll Forming Machine for Stable Metal Door Jamb Production

In metal door manufacturing, the door jamb is the vertical side component of the door frame. It carries the door leaf weight and provides the mounting surface for hinges, locks, and other hardware. If the jamb profile lacks precision or straightness, the door leaf will not close properly or will sag over time. Stable, high volume door jamb production requires a professional door frame roll forming machine

Applications of Metal Door Jamb Profiles

Door jamb profiles are the core structural components of a door frame. Two vertical jambs and one horizontal header form the complete frame structure. The jamb profile shape directly determines how the frame fits the door leaf and how hardware mounts.

Common application scenarios include:

• Residential doors: entry doors and interior doors

• Commercial doors: office and retail space doors

• Industrial doors: factory and warehouse doors

Different profile designs require different roller configurations. The door frame roll forming machine produces various jamb profiles through roller design adjustments. For manufacturers also producing window profiles, an aluminium window frame making machine can handle those requirements separately

.

Advantages of Door Frame Roll Forming Machine

Cold roll forming bends metal coil into a target cross section at room temperature. Compared with shearing and press braking methods, this equipment offers clear benefits:

• Production efficiency: coil enters from the decoiler and passes through leveling, roll forming, and cutting. Finished profiles exit directly with no manual handling between stations. Forming speed is adjustable, and output per shift is stable

• Forming quality: 17 roller stations gradually form the strip to the target shape. Each station handles a small amount of deformation. Stress is released progressively, and finished profiles meet straightness requirements

• Automation: PLC control with encoder based length measurement. Hydraulic shearing completes cutting automatically when the preset length is reached. Length tolerance is held at ±1.0 mm for 3 meter sections

• Continuous production: the complete line runs from decoiling to output as one integrated system, replacing multiple separate machines

Technical Parameters

How Metal Door Jamb Profiles Are Produced

This production line consists of five core workstations. Coil enters from one end, and profiles exit from the other:

• Decoiler System: holds the coil and uses a passive pull method. The main machine draws the strip forward, avoiding stretching on thin sheets

• Feeding and leveling: flattens the strip and removes bending stress and edge waves from the coil

• Main Roll Forming System: 17 roller stations gradually cold form the flat strip to the target cross section

• Shearing Mechanism: hydraulic shearing cuts the continuous profile at preset lengths. Blades are quenched for clean cuts

• Products receiving table: accepts the cut profiles with support rollers carrying them and completing stacking

The entire process runs continuously. No manual handling or intermediate storage is needed between workstations.

Why Choose a Door Frame Roll Forming Machine

Traditional door jamb production uses a shear for blanking and a press brake for forming. Each step requires manual handling and positioning. Limitations include cumulative dimensional errors and inconsistent batch results.

The door frame roll forming machine combines these separate steps into one continuous line. Forming accuracy comes from the mechanical precision of the rollers and gearbox. The equipment produces multiple profile types, with changes made through roller pattern design adjustments. For window profile production, an aluminium window frame making machine can handle those orders separately.

How to Select a Suitable Door Frame Roll Forming Machine

When purchasing a door frame roll forming machine, consider these factors:

• Material compatibility: confirm that the equipment supports the materials you use. This machine works with GI, low carbon steel, and cold rolled steel

• Thickness range: check that the equipment covers your product thickness needs

• Profile shape: confirm that the roller configuration can produce the design you need

• Automation level: check whether PLC control, encoder based length measurement, and automatic cutting meet your production requirements

• Forming speed: verify that the adjustable speed range covers your output targets

  

Frequently Asked Questions

What materials can this machine process?

The equipment processes GI, low carbon steel, and cold rolled steel. Thickness ranges from 1.0 to 1.5 mm. No roller change is needed when switching between these materials.

How long does installation and commissioning take?

The equipment is fully assembled and tested before delivery. On site installation involves positioning and connecting each workstation. The line covers approximately 9 square meters (7500 x 1200 mm).

What does daily maintenance involve?

Rollers and blades use GCr12 material, which offers good wear resistance. The hydraulic station uses 46# anti wear hydraulic oil. Regular oil level and quality checks are recommended.

What is the production speed?

Forming speed is adjustable from 0 to 20 meters per minute. Operators can select the speed based on order urgency and material characteristics.

What after sales support is available?

The equipment comes with a one year warranty and lifelong technical support. We provide remote video guidance for installation and commissioning. Overseas on site service is available with advance notice.

Summary

The door frame roll forming machine processes coil into consistent, high quality door jamb profiles. It helps door manufacturers achieve stable volume production with manageable equipment investment. Specific configurations depend on material thickness, profile drawings, and output targets. The door frame roll forming machine can be tailored to your specific production needs. Please contact us to discuss your requirements.

Contact: Elliot liu 
Email: cnzt006@zhongtuocn.com
WhatsApp: 008615127728988