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Conclusion: The 303U-3-C LT offers reliable 3-function transformer CNC for switchboards and transformers in Argentina. Processes copper and aluminum with CNC precision aligned with IRAM/IEC practices and Mercosur projects. Designed for workshops in Buenos Aires, Córdoba, Rosario and Santa Fe that seek to manufacture at home.
Test condition — punching:copper T2 10×100 mm at 25 °C; 500 cycles at nominal load. Concentricity Ø13 mm ≤0.15 mm; average burr <0.1 mm (typical hand saw 0.3–0.5 mm).
Test condition — folding/cutting:same material; 90° folding with standard matrix. Mean angular deviation ≤0.5°; cutting parallelism ≤0.2mm/100mm (manual shear ±0.8mm).
Productivity Baseline:board type part (6 holes + 2 cuts + 1 bending) ≈ 45–60 s in CNC versus 3–5 min in equivalent manual process.
Product Description
Main Features
1. The shearing/cutting unit adopts double column shearing dies.
2. The punching unit is an integral six-mode turnplate, which ensure the upper and lower molds are absolutely in the center.
3. The bending unit adopts a closed bending structure, which makes it more uniform during processing horizontal bending and embossing, and improves the repeat positioning accuracy in mass production.
4. Different molds or tools can be installed according to user requirements to complete special shape processing.
Product Details
1.CNC TOUCH SCREEN
2.INDUSTRIAL LAMP
3.PUNCHING TURRET UNIT
4.PUNCHING POSITIONING RULER
5.CYLINDER 6.LINE SWITCH
7.FOOT SWITCH 8.CUTTING UNIT
9.ELECTRICAL BOX
10.TOOL BOX
11.BENDING UNIT
12.CUTTING POSITIONING RULER
Processing Samples
LT-303U-3-C is a three functions busbar processing machine.
Function one: punch
For round hole punch, oblong hole punch.
Function two: cut
Function three: bend.
It can do vertical bending, flat bending, U-bending, and Z-bending by changing the molds.
Other functions
Our Factory
Our Service
Our after-sales service engineerswill also have return visit to youon a regularbasis to listen to your valuable opinions and continuously improve product quality.
Package & Delivery
We use waterproof plastic film wrapped inside and wooden cases outside.
Our Certifications
ISO9001:2000/CE
| Items | Model |
| LT-303U-3-C | |
| Nominal force (kn) | 300 |
Punching dia. range (mm) | f4.3～f25 |
Max. thickness (mm) | 12 |
Max. width (mm) | 160 |
| Max. shearing thickness (mm) | 12 |
| Max. shearing width (mm) | 160 |
| Max. horizontal bending width (mm) | 160 |
Max. Horizontal bendind thickness (mm) | 12 |
| Max. vertical bending size (mm) | 10×100 |
Power (kw) | 3×4KW |
| Bending precision (degree) | ±1° |
| Repeat bending precision (degree) | ±0.5° |
First table size (mm) | 1650×1050 |
Second table size (mm) | no |
| Outside dimension (mm) | 1720×1220×1240 |
| Container size（mm） | 1800×1300×1450 |
| Total weight（kg） | 1320KG |
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