CNC Press Brake | Electro-Hydraulic & All-Electric Servo | STON

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CNC Press Brake

Servo Electric and Electro-Hydraulic Press Brakes for Precision Bending

STON manufactures electro-hydraulic and all-electric servo CNC press brakes from 63T to 320T, with bending lengths up to 4100mm. The range covers general sheet metal fabrication, precision bending and T160-4100 high-load applications for factories that need stable servo control and repeatable bending results.

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Servo Electric Press Brake vs Electro-Hydraulic Press Brake

Choose an all-electric servo press brake when repeatability, lower energy use and fast response matter most. Choose an electro-hydraulic CNC press brake for varied tonnage, thicker sheets and general production. For long-bed applications, the T160-4100 servo motor driven press brake fits 4100mm bending with stable positioning and high-load control.

STON CNC CNC Press Brake catalog - full electric cnc press brake - view 01

STON CNC CNC Press Brake catalog - full electric cnc press brake - view 02

Electro-Hydraulic CNC Press Brake - electro hydraulic cnc press brake - view 02

Electro-Hydraulic CNC Press Brake - electro hydraulic cnc press brake - view 01

Consistent Bending Angles Across the Full Sheet Length

Laser Punch Combination Machine - detail view 01

Watch how our deflection compensation system maintains uniform angle and straightness from edge to edge on long workpieces.

Choose the Right Press Brake for Your Production

Structural and Mechanical Details Built for Long-Term Reliability

Annealed High-Strength Integral Frame

The machine body is made from high-strength integrally welded material and undergoes annealing, shot blasting, and aging treatment to eliminate internal stress — providing sufficient rigidity, minimal deformation, and stable long-term working accuracy under eccentric loads.
Mechanical Deflection Compensation

The built-in mechanical deflection compensation system automatically compensates for slider and worktable deformation under bending load, ensuring uniform bending angles and higher straightness along the entire workpiece length.
Full Closed-Loop Grating Ruler Feedback

High-precision grating rulers detect position signals in real time and feed them back to the CNC system, ensuring high positioning accuracy and repeatability — guaranteeing consistent bending angles across every part in a production run.
Multi-Axis CNC Back Gauge

Multi-axis CNC linkage with automatic positioning and multi-segment programming enables fast, accurate back gauge positioning for complex workpieces requiring multiple sequential bending operations.
Laser Safety Protection System

A real-time laser safety monitoring system detects interference in the hazard zone and immediately stops the machine — providing sensitive, reliable protection for operators during high-speed bending cycles.
Robotic Arm Integration Ready

Both series are expandable with automatic loading and unloading systems compatible with most robotic arms on the market, enabling unmanned, continuous production and reducing manual labor in high-volume bending operations.

المواصفات الفنية

المعلمة	Electro-Hydraulic Servo Series	All-Electric Servo Series
Bending Force Range	63T – 320T (630 – 3,200 kN)	25T – 60T (250 – 600 kN)
Bending Length Range	1,500 – 4,100 mm	1,000 – 2,000 mm
Drive System	ESTUN servo motor + hydraulic	Direct-drive servo motor (no hydraulic oil)
Slider Down Speed	130 – 185 mm/s	140 – 260 mm/s
Working Feed Speed	9.5 – 19 mm/s	30 – 50 mm/s
Return Speed	110 – 210 mm/s	140 – 260 mm/s
X-axis Travel	500 mm	500 mm
R-axis Travel	200 mm	140 – 200 mm
Deflection Compensation	Mechanical	Mechanical
Position Feedback	Standard	Full closed-loop grating ruler
Laser Safety System	Standard	Standard
Auto Loading/Unloading	Optional	Optional
الأنسب لـ	High-tonnage, large-format bending	Small-tonnage, high-precision, clean environment