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Hydraulic Swing Beam Shears for Precision Sheet Cutting

Views: 1     Author: JSC     Publish Time: 2025-05-27      Origin: Site

What Are Hydraulic Swing Beam Shears?

Hydraulic swing beam shears are industrial-grade machines designed to cut sheet metal with precision using a hydraulic-powered swing beam mechanism. Unlike traditional guillotine shears, the swing beam action ensures a consistent rake angle throughout the cutting stroke, minimizing material distortion and improving edge finish. These machines are especially suited for processing medium to thick sheets in steel, stainless steel, and aluminum.


Key Features of Hydraulic Swing Beam Shears

Precision Swing Beam Design

The swing beam structure ensures a smooth, arc-shaped blade movement, reducing torsional stress on the frame. This allows for high cutting accuracy and extended machine life.

Adjustable Blade Gap System

Integrated with a motorized blade clearance system, operators can fine-tune the gap according to material thickness and type, minimizing burrs and increasing cut quality.

High-Pressure Hydraulic System

Equipped with high-efficiency hydraulic pumps and valves, the system provides stable cutting force and ensures low noise and vibration during operation.

Backgauge with Servo Motor Control

The backgauge mechanism is controlled by a servo motor with a precision ball screw drive, offering ±0.1 mm accuracy in sheet positioning. Ideal for repetitive production.


Material Compatibility and Cutting Capacity

Hydraulic swing beam shears are capable of shearing various metals, including:

Carbon steel: Up to 20mm thickness

Stainless steel: Up to 12mm

Aluminum alloy sheets: Up to 25mm

They are available in lengths ranging from 1300 mm to 6000 mm, depending on application requirements.


Applications in Modern Metal Fabrication

These shears are commonly used in industries requiring reliable, repeatable, and burr-free cuts:

Heavy machinery manufacturing

Steel structure processing

Shipbuilding and marine engineering

HVAC duct fabrication

Automotive body panel production


Most modern hydraulic swing beam shears come with integrated:

ESA or Delem CNC controllers for real-time blade angle and gap management

Light curtain sensors and rear fencing for operator safety

Hydraulic hold-down cylinders to prevent material slippage during cutting

Optional automatic sheet feeding systems for improved productivity


Maintenance and Durability

Constructed from Q235/Q345 steel, the machine frame undergoes stress-relief annealing and CNC machining for maximum structural integrity. Wear-resistant blades made from Cr12Mov or 6CrW2Si ensure a long working life and low replacement frequency.

Regular maintenance includes:

Checking hydraulic fluid levels

Lubricating blade guidance and backgauge system

Inspecting hoses, seals, and filter elements


FAQs:

What is the cutting accuracy of a hydraulic swing beam shear?
Most models offer cutting tolerance within ±0.1–0.2 mm, depending on material thickness and blade condition.

Can hydraulic swing beam shears cut stainless steel?
Yes, high-strength variants with Cr12MoV blades can cut stainless steel up to 12mm thick with excellent edge quality.

What is the difference between swing beam and guillotine shears?
Swing beam shears use a rotating blade motion for lower wear and consistent rake angle, while guillotine shears cut vertically and require more frequent adjustment.

How do you adjust the blade gap on these shears?
Most models offer a motorized blade clearance adjustment system controlled via CNC interface for precision tuning.

What are the typical maintenance tasks?
Regular maintenance includes checking hydraulic oil, blade condition, backgauge calibration, and overall system lubrication.

Which industries benefit most from these shears?
Industries like HVAC, automotive, steel fabrication, and shipbuilding benefit from fast, precise, and repeatable cuts.


Call to Action:

Looking for a reliable Hydraulic Swing Beam Shear   Contact us today to explore our extensive range of Precision Lathe Reliable Pergormance and find the perfect solution for your production needs.

Phone: +86-13905278551

E-mail: jeff@jscmachinery.com

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