Heavy-Duty Mechanical Punch Press – STPP Series | High-Performance Metal Pressing Machine

The STPP Series is a heavy-duty mechanical punch press built for precise metal shaping using die sets. Designed for high-performance, industrial applications, this press ensures exceptional accuracy when forming metal. Its core function is to cut specific shapes from sheet metal by pressing a die onto the material. Known for its consistent precision, the STPP Series is perfect for industries that demand reliable, repeatable results in metal forming. For over 60 years, Guangduan has been the leading manufacturer of mechanical power press machines in Southern China. We continue to drive industry advancements through innovations in manufacturing, materials, and control systems. Our extensive range of power mechanical presses – up to 2000-ton capacities – includes gap frames, straight sides, and single or double-point configurations. We offer both geared crankshaft drives with link motion and eccentric plunger guides with link motion, ensuring versatility for a wide range of applications. Every press we produce is engineered to exceed JIS’s first-class standards.

Product Features

Heavy-Duty Construction for High-Volume Operations

The mechanical punch press operates with a PLC control system, allowing seamless integration with automatic production lines and uncoiling leveling devices. This enables the machine to produce stamped metal parts automatically, whether used independently or as part of a multi-machine setup. Its robust construction ensures the machine can handle high-volume operations, maintaining efficiency and reliability in large-scale production.

High Pressing Force for Precision Metal Forming

Designed to deliver significant pressing force, the machine features an eight-sided full guide rail system that enhances stability and minimizes lateral forces. This design optimizes the machine’s bearing capacity, reduces imbalances, and improves precision, ensuring reliable, high-accuracy metal forming.

Advanced Mechanical Design for Greater Efficiency and Reduced Downtime

The machine’s body is welded from steel plates for superior rigidity and stability. The reverse double crankshaft design balances the motion and counters side forces, while the high-torque wet clutch offers durability and low maintenance. The wet clutch also provides quiet operation, quick start/stop capabilities, and enhanced sensitivity, reducing downtime and boosting overall efficiency.

User-friendly controls with Adjustable Settings

Equipped with an intuitive control system, the machine features adjustable settings for optimal performance. A hydraulic overload protection device within the slide block ensures quick, responsive, and safe operation, preventing overload and enhancing operational reliability.

Energy-Efficient Operation

Designed with energy efficiency in mind, this machine reduces power consumption while maintaining peak performance, helping to lower operating costs and promote sustainability in production.

Technical Specifications

Pressing Capacity

The machine’s nominal pressing capacity ranges from 1600 kN to 6000 kN, accommodating various metal forming tasks with different force requirements.

Stroke Length

Stroke lengths range from 200 mm to 320 mm, providing flexibility for processing a wide range of part sizes and types.

Die Clearance and Bed Size

With a maximum die height ranging from 450 mm to 800 mm, the machine can handle large dies and accommodate various part sizes.

Motor Power and Electrical Requirements

The main motor power ranges from 18.5 kW to 55 kW, ensuring high performance in demanding applications. It is designed to meet standard electrical requirements, simplifying integration into existing production systems.

Applications

Ideal for Heavy Metalworking Industries

This punch press is optimized for industries that require heavy-duty metalworking, providing reliable and precise metal forming for high-volume production.

Suitable for Punching, Stamping, Shearing, and Embossing

Versatile in function, the machine can perform a wide array of tasks including punching, stamping, shearing, and embossing, making it invaluable in various manufacturing processes.

Used in Automotive, Aerospace, and Sheet Metal Fabrication

The STPP Series is particularly effective in industries like automotive manufacturing, aerospace, and sheet metal fabrication, where precision and efficiency are paramount.

Quality Assurance

High-Quality Material Construction

The machine’s body is welded from steel plates, providing strong rigidity and durability. The reverse double crankshaft design balances motion and reduces side forces, ensuring long-lasting performance and stability.

Rigorous Quality Control for Longevity

Stringent quality control processes ensure that each machine meets high standards of reliability and performance, ensuring consistent operation over the years.

Compliance with Industry Standards

The machine complies with industry standards for safety, efficiency, and performance, ensuring it meets all regulatory requirements and operates at optimal levels.

CONCLUSION

The STPP Series mechanical punch press is engineered for heavy-duty operations and precision metal forming. Featuring high pressing force, robust construction, and user-friendly controls, it’s perfect for industries that demand reliable, high-performance machinery. Advanced features like a high-torque wet clutch and hydraulic overload protection device ensure smooth, efficient operation. It has a variety of technical specifications (including adjustable stroke length and pressing capacity). It is well suited for a variety of metalworking tasks. The STPP series is commonly used in the automotive, aerospace and sheet metal fabrication industries. It provides an efficient, reliable and affordable solution for high-volume metal forming applications.