Electric Press Brake Machine

Configuration Details

Electrical Cabinet

The electrical cabinet integrates servo drives, control modules, protection components, power supply units, terminals, and signal wiring in a clean internal layout. A well-arranged cabinet improves heat dissipation, reduces signal interference, and makes routine inspection easier.

For an electric press brake, the cabinet directly supports axis control, motor response, emergency stop logic, and operation safety. Clear wiring paths and protected electrical components help the machine maintain stable performance during repeated bending cycles.

Control System

The control system provides the main operation interface for angle setting, bending depth, backgauge position, program steps, and production parameters. The touch-screen layout helps operators complete setup faster and manage common bending tasks more clearly.

Program storage, parameter editing, bending-step control, and emergency stop access improve daily usability. The controller works with the servo drive system to keep ram movement, positioning, and bending repeatability stable.

Electric press brake machine ball screw drive

Main Drive Ball Screw

The main drive ball screw converts servo motor rotation into accurate linear movement for the bending axis. This structure gives the electric press brake cleaner transmission, faster response, and more precise position control than traditional hydraulic drive layouts.

High-rigidity screw support and smooth transmission help improve bending-depth repeatability. The ball screw drive is especially useful for short stroke bending, small parts, frequent angle correction, and production that requires consistent forming accuracy.

Main Motor

The main servo motors provide the direct driving force for the electric bending system. They deliver fast response, accurate torque control, and efficient energy use during approach, bending, and return movements.

Servo drive technology reduces idle energy consumption and improves movement controllability. For compact electric press brakes, this supports quieter operation, faster cycle response, and stable bending performance in daily sheet metal fabrication.

Stop Finger

The stop finger is used to position the sheet before bending and directly affects flange-size repeatability. A rigid and adjustable stop finger helps the operator align the workpiece quickly and keep dimensions consistent across repeated parts.

This component is important for small workpieces, narrow flanges, and multi-step bending. Correct stop finger setup reduces manual measuring time and improves efficiency for batch production.

Linear Scale

The linear scale provides high-resolution position feedback for the bending axis. It allows the control system to monitor actual ram position and correct movement deviation during operation.

Closed-loop feedback improves bending-depth accuracy and repeatability. For an electric press brake, linear scale feedback is important for stable angle control, precision forming, and long-term machine consistency.

Electric press brake machine press brake punches and dies

Punch and Die Tooling

The punch and die determine the final bending angle, inside radius, flange shape, and surface quality. Tooling selection should match material type, sheet thickness, bending length, and the required part geometry.

Accurate tool alignment and stable clamping help improve forming quality and reduce trial bending. For electric press brakes, suitable tooling supports fast setup and repeatable bending results on small and medium sheet metal parts.

Backgauge

The backgauge positions the workpiece before each bend and is one of the key systems affecting bending efficiency. A stable backgauge structure helps keep flange dimensions accurate and reduces manual positioning work.

Guide rails, screw transmission, and adjustable stop fingers allow the backgauge to handle different part sizes. For electric press brakes, precise backgauge movement is useful for repeated jobs, small parts, and multi-step bending programs.

Electric press brake machine stroke limit protection switch

Stroke Protection Switch

The stroke protection switch monitors the movement limit of the bending mechanism and provides an additional protection signal for abnormal over-travel conditions.

This device helps protect the transmission system, tooling area, and machine structure during setup, maintenance, and repeated production. It supports safer operation and improves machine protection reliability.

Model Parameter Table

Model	Capacity	Working Size	Motion & Speed	Power & Installation
3T/200	Bending Force: 30 KN Bending Length: 200 mm	Column Distance: 300 mm Throat Depth: N/A Stroke: 120 mm Open Height: 420 mm	Approaching Speed: 200 mm/s Ram Speed: 1-30 mm/s Return Speed: 200 mm/s	Main Motor: 2 kW Dimensions: 700 x 700 x 1980 mm Weight: 320 kg
6T/400	Bending Force: 60 KN Bending Length: 400 mm	Column Distance: 370 mm Throat Depth: 160 mm Stroke: 120 mm Open Height: 420 mm	Approaching Speed: 200 mm/s Ram Speed: 1-30 mm/s Return Speed: 200 mm/s	Main Motor: 3 kW Dimensions: 750 x 750 x 1980 mm Weight: 560 kg
12T/600	Bending Force: 120 KN Bending Length: 600 mm	Column Distance: 450 mm Throat Depth: 200 mm Stroke: 120 mm Open Height: 420 mm	Approaching Speed: 200 mm/s Ram Speed: 1-30 mm/s Return Speed: 200 mm/s	Main Motor: 5.5 kW Dimensions: 850 x 850 x 2080 mm Weight: 760 kg

Parameters change without notice. Final model configuration, voltage, controller, tooling, safety system, and quotation data should be confirmed according to the actual order.

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Press Brake Machine

PREF Group provides CNC and hydraulic press brake machine for high-precision sheet metal bending, our machines range from 30T to 12000T capacity and are widely used in steel fabrication and industrial manufacturing.

Press Brake Machine

Main Features

Detailed Description

Configuration Details

Electrical Cabinet

Control System

Main Drive Ball Screw

Main Motor

Stop Finger

Linear Scale

Punch and Die Tooling

Backgauge

Stroke Protection Switch

Model Parameter Table

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