Straight-side single crank press
Product Description
LFN Series High-Speed Precision Straight Side Press Machines (125–800 Ton)
The LFN Series straight side mechanical press is a robust and high-performance solution tailored for medium-to-heavy stamping applications. With capacities from 125 to 800 tons, this series is ideal for automotive parts, appliance panels, metal brackets, precision hardware, and electronic components.
Available in both V-frame and H-frame configurations, the LFN series combines high-speed capability, stable force distribution, and Class 1 precision, meeting the demanding needs of modern metal forming production lines.
🔧 Key Features
- Capacity Range: 125–800 Tons
Covers medium to heavy stamping tasks, adaptable to diverse tooling and production volumes. - Dual Frame Options (V & H)
- V-frame: Compact and accessible for progressive dies and smaller workshops
- H-frame: Enhanced rigidity for better deflection control and large die support
- High-Speed Stroke Performance
Up to 90 SPM (model-dependent), ensuring efficiency in high-volume or precision part production. - Wide Slide & Bolster Area
Max slide area reaches 1700×1200 mm, compatible with large or multi-station dies. - Heavy Die Capacity Support
Bolster thickness up to 240 mm and high shank rigidity allow for deep-drawing or thick-sheet forming. - Precision Standards
Built to GB/JIS Class 1, guaranteeing excellent parallelism, repeatability, and part tolerance control. - Electric Slide Adjustment
All models equipped with motorized slide adjust system for accurate and quick die setup.
📦 Typical Applications
- Automotive brackets, chassis parts, and transmission components
- Home appliance panels, frames, and shells
- Electrical hardware and metal enclosures
- Progressive die stamping for terminals and connectors
- Medium to large-format structural part punching
🔩 Optional Configurations
- Die cushion system (optional for deep draw applications)
- Hydraulic overload protector
- Touchscreen HMI + production memory function
- Safety guards and CE/UL-compliant electrical system
- Feeder, decoiler, and robotic arm integration
OEM and custom engineering services are available. Contact us for technical drawings, production layout planning, or a tailored quote.
| Model | LFN-125 | LFN-160 | LFN-200 | LFN-250 | LFN-315 | LFN-400 | LFN-500 | LFN-600 | LFN-800 |
|---|---|---|---|---|---|---|---|---|---|
| Type | V/H | V/H | V/H | V/H | V/H | V/H | V/H | V/H | V/H |
| Capacity (Ton) | 125 | 160 | 200 | 250 | 315 | 400 | 500 | 600 | 800 |
| Rated Tonnage Point (mm) | 8 | 8 | 6 | 6 | 7 / 3.5 | 8 / 4 | 8 | 10 | 13 |
| Stroke Length (mm) | 180 | 180 | 200 | 250 | 250 / 150 | 300 / 170 | 300 | 300 | 300 |
| Strokes Per Minute (SPM) | 35–60 / 60–90 | 30–50 / 50–70 | 25–50 / 50–60 | 20–40 / 40–60 | 20–40 / 40–60 | 35–45 / 30 | 25 / 20 | 15–25 | 10–20 |
| Die Height (mm) | 360 | 400 | 450 | 500 | 550 | 550 | 600 | 650 | 800 |
| Slide Adjustment (mm) | 80 | 100 | 100 | 120 | 120 | 150 | 150 | 150 | 150 |
| Slide Area (mm) | 900×600 | 900×700 | 1000×700 | 1100×700 | 1100×800 | 1300×900 | 1400×900 | 1400×1000 | 1700×1200 |
| Bolster Area (mm) | 1000×800×110 | 1100×800×120 | 1200×800×140 | 1250×900×160 | 1300×900×200 | 1400×1000×220 | 1500×1100×230 | 1600×1100×240 | 1800×1300×240 |
| Shank Hole Diameter (mm) | Ø65 | Ø65 | Ø65 | Ø65 | Ø65 | Ø65 | Ø65 | Ø65 | Ø70 |
| Main Motor (kW × P) | 15×4 | 15×4 | 18.5×4 | 22×4 | 30×4 | 37×4 | 45×4 | 55×4 | 75×4 |
| Slide Adjust Motor (kW × P) | 0.75×4 | 0.75×4 | 0.75×4 | 1.5×4 | 1.5×4 | 2.2×4 | 2.2×4 | 3.7×4 | 5×4 |
| Air Pressure (kg/cm²) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Side Opening (mm) | 600×450 | 650×500 | 750×600 | 750×800 | 750×800 | 800×800 | 900×800 | 1000×800 | 1000×800 |
| Press Precision | GB/JIS Class 1 | GB/JIS Class 1 | GB/JIS Class 1 | GB/JIS Class 1 | GB/JIS Class 1 | GB/JIS Class 1 | GB/JIS Class 1 | GB/JIS Class 1 | GB/JIS Class 1 |
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