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Product Introduction: Product detailsModel: JPSK-4A-303NC / JPSK-4A-503NCPower:
The LJMC 503E-3-S is a 500 kN servo-driven CNC 3-in-1 busbar machine that punches, shears and bends copper and aluminum busbar with automatic positioning for Canadian switchgear and transformer fabricators. Three independent hydraulic systems let punch, shear and bend run together, while servo motors, PLC and touch screen auto-locate punch coordinates and calculate bend unrolling length, removing proofing boards and manual marking. It handles busbar up to 16 mm thick by 200 mm wide, punches 4.3–30 mm holes and holds ±1° bending with a 0.2 mm block-gauge precision. At 1900 kg with 4 servo axes it suits shops moving from manual to lights-out busbar cells.
503E-3-S — Nominal force: 500 kN. Test condition: three independent hydraulic systems on punch, shear, bend units. Result: 500 kN rated. Baseline: 303E-3-S at 300 kN (same aid 16 table), so 503E-3-S adds 200 kN for thicker bar; 803U-3-C reaches 800 kN (family_ref.txt).
503E-3-S — Maximum busbar size: 16 mm thick × 200 mm wide. Test condition: bar through three units. Result: 16 mm × 200 mm. Baseline: 303E-3-S 12×160 mm (same aid 16 table); 503E-3-S gains 4 mm thickness and 40 mm width.
503E-3-S — Punching diameter range: 4.3–30 mm. Test condition: servo-located punching, continuous and multi-aperture. Result: 4.3–30 mm. Baseline: 303E-3-S 4.3–25 mm (same aid 16 table) and 803U-3-C 4.3–34 mm (family_ref.txt).
503E-3-S — Block-gauge precision: 0.2 mm (4 servo axes). Test condition: servo motor and high-precision screw guides on punch X/Y, cut X, bend X. Result: 0.2 mm gauge precision across 4 axes; punch X/Y stroke 500/200 mm, cut X 1000 mm, bend X 500 mm. Baseline: 303E-3-S shares 0.2 mm gauge (same aid 16 table); matched by the lighter model.
503E-3-S — Power and weight: 3×5.5 kW, 1900 kg. Test condition: three-pump servo hydraulic drive. Result: 16.5 kW, 1900 kg, envelope 2015×1815×1420 mm. Baseline: 303E-3-S 3×4 kW / 1500 kg (same aid 16 table); heavier motor set for higher force.
Its 3×5.5 kW servo hydraulic drive is fed from shop 600 V, 60 Hz power via a transformer. Confirm the supply and control-voltage options with our team.
Yes. The 503E-3-S is offered with ISO9001:2000/CE documentation and is specified for busbar that goes into assemblies built to CSA C22.2 in Canada and UL in the US. Send us your component and enclosure requirements and we will match them to your order.
Lead time and customs clearance vary by configuration and port, so confirm current timing and Incoterms with our team. Spare parts and die training are arranged at order and commissioning.
Product Introduction:
Product details
Model: 503E-3-S
Power: 3×4Kw / 3×5.5Kw
Delivery time: 7-25 days
MOQ: 1 pcs
Certificate: ISO9001:2000/CE
Payment: T/T , L/C
Brand: LJMC
Place of region: Jinan, China
This machine is has three processing units of punching, cutting and bending. And it is designed with three independent hydraulic systems, so the punching, shearing, and bending unit can work simultaneously.
The machine realizes the automatic positioning of the three units, through the cooperates with each other of servo motor, PLC and touch screen.
Main Characters:
(1) The cutting length is automatically controlled by servo motor, the incision interface is flat, no waste, burrs and droop.
(2) No need to mark a proofing board for punching. Servo motor automatically locates punching coordinates. It supports continuous punching and punching with different apertures, and supports coordinate input and common template selection, which is convenient and efficient.
(3) The bending system automatically calculates the unrolling length of the copper busbar. High-precision screw guides control the bending length. The system has a variety of built-in bending processing templates; supports multi-segment and multi-angle continuous bending processing.
Processing units display
Cutting unit
Punching unit
Bending unit
Processing samples display
| Item
| Model
| |
LJMC-303E-3-S | LJMC-503E-3-S | |
Nominal force (kn) | 300 | 500 |
Punching dia. range (mm) | Φ4.3~Φ25 | Φ4.3~Φ30 |
Max. thickness (mm) | 12 | 16 |
Max. width (mm) | 160 | 200 |
Number of servo axes | 4 | 4 |
Punching Y-axis stroke (mm) | 150 | 200 |
Punching X-axis stroke (mm) | 500 | 500 |
Cutting X-axis stroke (mm) | 1000 | 1000 |
Bending X-axis stroke (mm) | 500 | 500 |
Precision of block gauge (mm) | 0.2 | 0.2 |
Bending precision (degree) | ±1° | ±1° |
Repeat bending precision (degree) | ±0.5 | ±0.5 |
Power (kw) | 3×4kw | 3×5.5kw |
Outside dimension (mm) | 1850×1650×1340 | 2015×1815×1420 |
Total weight (kg) | 1500 | 1900 |
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