In modern electrical and low voltage engineering, cable trays serve as core structural components for supporting, protecting, and managing cables. As global infrastructure projects multiply, customer demands regarding the efficiency, precision, and stability of cable tray production equipment are rising. This article explores a mature perforated cable tray production system, focusing on the types of punching presses and key selection considerations. By examining actual profile drawings, we aim to help you make informed purchasing decisions.

Fully Automated Process: From Raw Material to Finished Product

The perforated cable tray production line integrates multiple processes, including uncoiling, servo feeding, punching, cutting, roll forming, and end flaring. The entire system requires minimal manual intervention to continuously produce steel cable trays ranging from 100 to 600 mm in width and 50 to 100 mm in height.

Typical Layout Flow:

Decoiler (8 tons) → Servo feeding unit → Punching press → Hydraulic cutter → Conveyor platform → Roll forming  → Servo-tracking flaring unit → Output table.

The production line occupies a footprint approximately 38 meters long, 2 meters high, and 2 meters wide. It supports a maximum material thickness of 2.0 mm and operates at speeds of 6 to 12 meters per minute. Customers adjust the speed based on product length and the number of punch holes to achieve efficient and flexible production.

Analysis of Punching Press Types: Pros and Cons

In perforated cable tray production lines, the punching and cutting stages directly determine dimensional accuracy and mold lifespan. Common customer complaints include slow punching speeds, significant hole position deviations, and frequent mold damage. To address these issues, it is essential to understand the three mainstream types of punching presses and their respective applications.

1. Mechanical Punch Press

Advantages: Simple structure and low procurement cost; high punching frequency makes it suitable for thin materials (thickness ≤ 1.2 mm).

Disadvantages: Fixed stroke with high impact at the bottom dead center (BDC); high noise levels and rapid mold wear when processing thicker plates (≥ 1.5 mm); inability to achieve precise synchronization with the feeding system.

Suitable for: Low end, small batch production where high hole position precision is not required.

2. Hydraulic Punch Press

Advantages: High force with controllable pressure throughout the stroke; adjustable stroke allows for stable punching of thick plates; long die life; operators can pair it with servo feeding for high precision synchronization.

Disadvantages: Hydraulic oil requires periodic replacement; punching speed is slightly lower than mechanical presses, though the production speed of 6–12 meters per minute for cable trays is fully adequate.

Suitable for: Batch production of medium-to-thick plate cable trays featuring multiple hole patterns and large dimensions; an optimal choice for trays ranging from 100mm to 600mm in width.

3. Servo Punch Press

Advantages: Energy efficient and low noise; programmable punching curves offer extreme flexibility; precision reaches ±0.05mm.

Disadvantages: High initial investment (30%–50% higher than hydraulic solutions); high tonnage  servo technology is not yet widely adopted.

Suitable for: High end customized cable trays, complex hole patterns, and production lines requiring rapid die changes.

Summary of Customer Pain Points: Blindly choosing a mechanical press can lead to lost productivity due to rapid die wear and frequent downtime for die changes; conversely, blindly opting for a servo press may result in wasted budget. This production line utilizes a 400 ton hydraulic press to strike the optimal balance between cost, precision, and durability, making it particularly suitable for batch orders involving thicknesses of 0.5–2.0mm and widths of 100–600mm.

Specifications Table

Finished Cable Tray Products and Applications

The machine can produce cable trays with various specifications to meet diverse requirements for protection and heat dissipation.

Profile Diagram:

Commercial buildings, industrial plants, power stations, data centers, rail transit, chemical facilities, and new energy sectors widely use these cable tray products. Compared to traditional conduit or direct burial methods, cable trays offer high capacity, easy scalability, superior heat dissipation, and convenient maintenance, while enabling standardized modular installation. The image below illustrates typical application scenarios for reference regarding site layout:

Why Choose This Production Line?

Compared to traditional standalone setups involving separate punching and bending stages, this perforated steel cable tray production machine enables an integrated, continuous workflow. Taking the production of 1,000 meters of 300×80mm cable trays as an example:

Traditional Process: Requires separate steps for punching, shearing, bending, welding, and material transfer; needs at least 5 operators and 8 hours to complete; cumulative hole position error can reach ±3mm.

This Production Line: Featuresa fully automated process including feeding, punching, forming, and end flaring; requires only 2 operators; production time is approximately 2 hours; length tolerance is ±1mm; hole alignment is precise.

Additionally, the servo controlled flaring function solves the issue of end deformation during tray connection, which is a common pain point reported by many customers. Traditional flaring methods rely on fixed mechanical sizing, which often causes end distortion; this line uses servo motors to monitor and adjust the flaring amount in real-time, ensuring flat, uniform ends that require no secondary trimming during installation.

FAQs and After-Sales Service Commitment

Based on the specifications, we have summarized the three questions overseas customers care about most:

1. Are the voltage and control systems localized?

Comes standard with a Siemens PLC and supports international standard voltages (customizable to 380V/50Hz); an English operating interface is available.

2. Is mold changing complicated?

It features a quick change design; all roller sets use modular positioning, allowing for a changeover time of ≤30 minutes.

3. Does punching 2.0mm thick steel strip result in significant burrs?

Uses a 400 ton hydraulic press paired with high precision molds; burr height is ≤0.1mm, eliminating the need for secondary grinding.

We provide full line installation, commissioning, and operator training. We also maintain a stock of wear parts (punches, molds, rollers) to ensure rapid support for remote customers.

Conclusion: The key to a stable, high efficiency production line lies in the synergy between punching and forming. Throughthis analysis of the pros and cons of different press types, you can see why the 400 ton hydraulic press is the ideal choice for producing cable trays ranging from 100mm to 600mm in width. If you are planning a new workshop or upgrading existing equipment, please contact us for a customized solution and quote.

Contact: Elliot liu

Email: [email protected]

WhatsApp: 008615127728988