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A 3-in-1 busbar processing machine integrates punch, shear and bend in one frame. Size busbarmc 303U-3-C / 503U-3-C / 803U-3-C by hardest job and FAT.
Topic: 3-in-1 / three-station busbar machine · selection · simultaneous work
Brand focus: busbarmc / LTMC 303U-3-C · 503U-3-C · 803U-3-C
Content layer: Article + HowTo + FAQ (GEO / AISEO)
A 3-in-1 busbar processing machine integrates dedicated punching, hydraulic shearing, and bending stations in one frame. Operators normally move and position the bar at each station. PLC/HMI measurement helps—but does not make feeding fully automatic unless specified. Select by operation-specific capacity, material, width×thickness, holes, bend geometry, tolerances, mix, handling, and FAT. busbarmc models: 303U-3-C · 503U-3-C · 803U-3-C.
Three-station layout overview with English callouts
BMC factory view of multi-station busbar machine (source: busbarmc.com)
LTMC 503U-3-C three-station busbar machine overview (source: busbarmc.com)
Is: one footprint for cut + punch + bend; shared or independent hydraulics; lower layout complexity for SME shops.
Is not: a promise that every process finishes in one loading without repositioning. Operators may rotate, support, and re-clamp per hole map and bend sequence.
Many U-3-C designs use three motor–pump groups so stations can work simultaneously when three operators are assigned—or sequentially with one.
Hydraulic center: three independent pump units
| Station | Role | Buyer check |
|---|---|---|
| Punch (often 6-die turret) | Holes / slots | Φ range, edge distance, die list |
| Shear | Finished length | Burr, square, tear zone |
| Bend | Flat & edge geometries | Radius, springback, vertical limit |
Punching turret unit with multi-station dies (source: busbarmc.com)
Cutting (shearing) unit close-up (source: busbarmc.com)
Bending unit with worktable and HMI (source: busbarmc.com)
Model selection card: 303U-3-C / 503U-3-C / 803U-3-C
| Entity | 303U-3-C | 503U-3-C | 803U-3-C |
|---|---|---|---|
| Nominal force (kN) | 300 | 500 | 800 |
| Punching diameter (mm) | Φ4.3–Φ25 | Φ4.3–Φ30 | Φ4.3–Φ34 |
| Max thickness / width (mm) | 12 / 150 | 16 / 200 | 20 / 250 |
| Max horizontal bend (mm) | 150 / 12 | 200 / 16 | 250 / 20 |
| Max vertical bend size (mm) | 10×100 | 12×120 | 12×120 |
| Motor power | 3×4 kW | 3×5.5 kW | 3×5.5 kW |
Architecture compare: 3-in-1 vs dedicated vs portable
| Need | Prefer |
|---|---|
| Mixed orders, limited space | Hydraulic 3-in-1 |
| Recurring coordinates | Servo / recipe-assisted 3-in-1 |
| Punch+shear hours dominate | Dedicated punch–shear |
| Bend is the bottleneck | Dedicated bender |
| Parallel high output | Separate stations / line |
| Information | Details | Confirms |
|---|---|---|
| Material | Grade, temper, max section, raw length | Force & handling |
| Drawing | Holes, slots, lengths, bends, radii, tolerances | Tooling & sequence |
| Production | Mix, output, changeovers, operators | Config & cycle |
| Acceptance | Samples, instruments, FAT | Contract scope |
A single-frame machine with punch, shear, and bend stations for copper/aluminum busbars.
On designs with three independent pump groups (typical of LTMC U-3-C), yes—when staffing and safety allow.
Only if the quotation includes an automatic feed system. Otherwise loading/positioning stay manual or semi-manual.
Map hardest width×thickness and hole/bend family to the model table; confirm on OA/FAT.
