25T Vertical Injection Molding Machine JTT-250: Compact, Precise, and Efficient

25T Vertical Injection Molding Machine JTT-250: Compact, Precise, and Efficient

September 24, 2025

Shenzhen JT Machinery introduces the JTT-250, a 25-ton vertical injection molding machine designed for small to medium insert molding applications. Combining vertical clamping, high shot pressure, and precise injection control, this compact machine is ideal for manufacturers seeking accuracy, reliability, and efficiency in a small footprint.

Key Specifications

• Model: JTT-250
• Clamping Force: 25T
• Injection Weight: 25–72g
• Screw Diameter Options: 20, 25, 30, 32 mm
• Injection Pressure: 800–1997 kg/cm²
• Theoretical Shot Volume: 32–85 cm³
• Injection Rate: 30–80 cm³/sec
• Screw Stroke: 100 mm
• Nozzle Contact Force: 2.6 tons
• Platen Size: 520 * 370 mm
• Max Mold Opening: 340/280 mm
• Machine Dimensions: 1570 * 950 * 2150 mm
• Total Power: 6.7 kW

Advanced Features

1. Dual Cylinder Vertical Clamping
   The double-cylinder vertical clamping system ensures stable, uniform clamping force, ideal for precision insert molding and small plastic components.
2. High Shot Pressure & Fast Injection Rate
   With a maximum injection pressure of 1997 kg/cm² and injection rates up to 80 cm³/sec, the JTT-250 achieves rapid, high-quality molding, reducing cycle times and improving productivity.
3. Multi-Stage Temperature and Pressure Control
   • 1+2 temperature control zones
   • Adjustable injection pressure, back pressure, and injection rate
     These capabilities guarantee consistent product quality, even for complex mold designs.
4. Compact Design for Small Production Spaces
   With a lightweight frame (1.1 tons) and small footprint, this machine is ideal for laboratory settings, prototyping, or small-scale production where space is limited.
5. User-Friendly Automation & Safety
   • Automatic fault display for easy troubleshooting
   • Optional energy-saving motor
   • Infrared safety device
   • Leakproof spring nozzle and computer display
     These features ensure operator safety and machine longevity.
6. Efficient Power & Cooling Systems
   • Hydraulic max pressure: 140 kg/cm²
   • Cooling water consumption: 400–600 L/hr
   • Pump motor: 4 kW, Barrel heating: 2.7 kW
   • Total machine power: 6.7 kW
     The JTT-250 balances energy efficiency with reliable performance.

Applications

The JTT-250 is ideal for:

• Small and medium insert molding
• Plastic fittings and precision parts
• Laboratory or R&D molding
• Component prototyping and small-scale production

Why Choose the JTT-250

• Compact but Powerful: High injection pressure and fast shot rate in a small frame
• Precision Control: Multi-stage temperature and pressure adjustment
• Reliable Operation: High-quality hydraulic and electrical systems with safety features
• Flexible Use: Suitable for diverse plastic products and insert molding requirements

The 25T JTT-250 offers manufacturers a compact, precise, and reliable solution for high-quality small to medium plastic component production, combining vertical injection advantages with modern automation.