1. Progressive Die Stamping Line: The High-Speed Solution for Standard Boxes

The progressive die stamping line is the most common and high-speed configuration used for producing standard electrical wall boxes — such as 4×4 inch square boxes, handy boxes, and switch boxes. This method uses a single heavy-duty press equipped with a complex multi-stage mold.

How It Works

A continuous metal coil is automatically uncoiled, leveled, and fed into the press through a precision feeding system. The progressive die stamps the box in sequential stages: first piercing knockouts and holes, then cutting the perimeter profile, and finally deep-drawing the metal into a three-dimensional box shape. With CNC automation and touchscreen control interface, the multi-step stamping process can be programmed effortlessly.

Core Equipment Required

Advantages

The fully integrated stamping line — consisting of coil holder, leveling machine, servo feeder, press machine, and stamping die — is controlled by PLC and fully automatic, requiring only one operator for the entire line.

2.Roll Forming & Bending Production Line

For larger industrial boxes, distribution cabinets, and heavy-duty electrical enclosures (supporting material thicknesses up to 1.5mm), the roll forming production line offers unmatched flexibility. This method allows dimension adjustments without expensive tooling changes.

How It Works

The steel coil is uncoiled and passes through a hydraulic punching station to add screw holes and knockouts. It then moves through a series of consecutive forming rollers that gradually shape the sidewalls before a hydraulic folding mechanism bends it into a four-sided box.

3.Why BESCO for Your Junction Box Production Line?

BESCO Machine Tool Limited is a leading manufacturer of metal stamping and forging equipment, offering complete turnkey solutions for junction box production lines.

Our Integrated Production Line Configuration

A complete BESCO junction box production line includes: coil holder → leveling machine → servo feeder → press machine → junction box stamping mold, all controlled by PLC for full automation. By simply replacing the stamping die, the same equipment can produce junction boxes of different sizes, offering exceptional versatility.

Key Features of BESCO Junction Box Machines | BESCO

High-precision welded steel plate fuselage with stress-relief tempering (vibration aging) resulting in excellent rigidity and precision

Compact structure with vertical crankshaft forging and high-frequency quenching for smooth rotation

Touchscreen centralized control with pneumatic double balance rod reducing impact, noise, and wear

Twin solenoid valve and hydraulic overload protection for maximum operational safety

Tapping can be realized simultaneously during the forming process

Comprehensive Certification & Global Reach

BESCO is a 12-year audited supplier certified by SGS/BV, with ISO 9001 and CE certifications. Our export network spans Europe, the Americas, the Middle East, Southeast Asia, and beyond — serving customers in Egypt, Canada, the United Kingdom, Vietnam, Mexico, and many other countries.

Our Commitment to Quality

15,000㎡ self-owned factory with complete production and quality inspection systems

1-year warranty on all machine components

24/7 online technical support with installation videos and operation manuals

On-site commissioning and training services available (engineer dispatch to customer's factory)

Full customization: logo, size, color, material, automation solution design, and more

4.Target Applications for Metal Junction Box Production

Metal junction boxes manufactured by BESCO production lines serve critical roles across multiple industries:
Electrical Installations：Housing and protecting wire connections in residential, commercial, and industrial systems

Industrial Systems：Enclosures for control wiring, automation equipment, and machinery connections

Construction：Lighting, power distribution, and safety system enclosures

Telecommunications：Network node protection and cable management enclosures

Renewable Energy：Solar inverter containment and junction boxes for photovoltaic systems

Whether you need high-volume production of standard wall boxes with a progressive die stamping line or flexible manufacturing of large distribution cabinets with a roll forming line, BESCO provides complete, turnkey solutions backed by ISO 9001 and CE certifications, a 15,000㎡ self-owned factory, and a 1-year warranty.

BESCO specializes in custom-engineered progressive dies matched precisely to your box dimensions and knockout patterns. Contact us to discuss your specific production requirements.