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Fully Automatic CNC Busbar Processing Machine (3-in-1) for Indian Switchgear Industry
Model: 503U-3-C / 303U-3-C | Copper & Aluminium Punching Bending Cutting

Product Overview:
This Fully Automatic CNC Busbar Processing Machine integrates three independent stations: Punching, Shearing (Cutting), and Bending. Designed for high-volume Indian panel builders, it features three independent hydraulic systems, allowing all three units to work simultaneously without loss of power.
The machine achieves Automatic Positioning via a precision Servo Motor, PLC Control (Siemens/Panasonic), and Touch Screen interface, ensuring maximum efficiency for Copper and Aluminium busbar fabrication.
Main Features for Mass Production:
(1) Auto-Cutting Unit: The cutting length is automatically controlled by the Servo system. The shearing interface is completely flat, ensuring no waste (scrap-free), no burrs, and no droop, saving expensive Copper material.
(2) Auto-Punching Unit: No need for marking! The Servo motor automatically locates punching coordinates (X/Y axis). It supports continuous punching, mixed aperture sizes, and template library selection, making it ideal for standard Switchgear panels.
(3) CNC Bending Unit: The system automatically calculates the unrolling length (stretch length) of the Copper/Aluminium busbar. High-precision ball screws control the bending position. It supports multi-segment (Z-bend) and multi-angle continuous bending with built-in templates.
Processing Units Display:
CNC Cutting Unit (Scrap-free):


CNC Punching Unit (Auto Positioning):

CNC Bending Unit (High Precision):

Processing Samples (Copper & Aluminium):




Technical Parameters:
| Item | Model | ||
303U-3-C | 503U-3-C | 803U-3-C | |
Nominal force (kn) | 300 | 500 | 800 |
Punching dia. range (mm) | Φ4.3~Φ25 | Φ4.3~Φ30 | Φ4.3~Φ34 |
Max. thickness (mm) | 12 | 16 | 20 |
Max. width (mm) | 160 | 200 | 250 |
Number of servo axes | 4 | 4 | 4 |
Power (kw) | 3×4kw | 3×5.5kw | 3×5.5kw |
Bending precision | ±1° | ±1° | ±1° |
Repeat bending precision | ±0.5° | ±0.5° | ±0.5° |
Outside dimension (mm) | 1850×1650×1340 | 2015×1815×1420 | 2060×1660×1650 |
Total weight (kg) | 1500 | 1900 | 2100 |
CNC Busbar Machine Demo Video (Simultaneous Operation):
Q1: What are the main functions of this Fully Automatic Machine?
A1: It integrates CNC Punching, Auto-Shearing, and CNC Bending. All three units operate simultaneously with independent hydraulic systems, drastically reducing production time for Switchgear manufacturing.
Q2: Does it require manual marking for punching?
A2: No. The machine uses a Servo Motor to automatically position the copper busbar for punching coordinates. It supports continuous punching without any manual marking proofing.
Q3: How accurate is the bending angle?
A3: The system uses a high-precision PLC and screw guides to control bending. It offers a bending precision of ±1° and repeat precision of ±0.5°, perfect for high-quality Panel Boards.
Q4: What is the maximum capacity (Thickness x Width)?
A4:
- 303U-3-C: Max 12mm x 160mm
- 503U-3-C: Max 16mm x 200mm
- 803U-3-C: Max 20mm x 250mm (Heavy Duty)
Q5: Can it process Aluminium Busbars (Aluminium Flats)?
A5: Yes, it is fully compatible with both Copper (Cu) and Aluminium (Al) busbars used in Transformers and Power Distribution.
Q6: What is the delivery time to Indian ports (Nhava Sheva/Chennai)?
A6: Production time is 7-25 days. Shipping to India typically takes 3-4 weeks. We export regularly to India and can assist with customs documentation.
Q7: What certificates do you hold?
A7: We hold ISO9001:2000 and CE certifications, ensuring international quality standards.
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