JUKI LH-4578CFGF-7/NB Digital Twin Needle Heavy-Duty Industrial Sewing Machine

Juki LH-4578CFGF-7 Digital Twin Needle Sewing Machine for Heavy-Duty and Jeans

Overview:

The Juki LH-4578CFGF-7 is a state-of-the-art, semi-dry head, twin needle digital lockstitch sewing machine designed for handling heavy-weight materials and jeans. This advanced system introduces digital innovations to streamline sewing adjustments and improve efficiency.

Key Features:

• Revolutionary Digital Sewing System:

  • This system offers a new, computerized value to enhance production processes and ensure high-quality stitching.
  • Seamless digital control for precise adjustments and consistent performance.

• Active Tension Mechanism:

  • Independently controlled right and left tension mechanisms for improved seam quality.
  • Automatic needle thread tension adjustment based on sewing speed and remaining bobbin thread, maintaining consistent seam quality.

• Active Presser Foot:

  • Automatically adjusts pressure according to sewing speed for optimal fabric handling.

• Multilayer Detection Device:

  • Standard on the S/G type, optional on the F type.
  • Ensures stable stitches and well-tensed seams through multilayered portions.

• Efficient Thread Management:

  • Equipped with a large hook (1.8 times the capacity of standard hooks) to reduce thread change frequency.
  • Motor-controlled horizontal feed with easy stitch pitch settings via the operation panel.

• Simplified Hook Timing Adjustment:

  • Quick and easy adjustments for changing the needle gauge with the new hook timing adjustment mode and hook driving shaft saddle.

• IoT Integration:

  • Two-way contactless communication for parameter adjustments using a commercial Android device.
  • Uniformly set and monitor sewing machines quickly, enhancing product quality and line management.

• User-Friendly Features:

  • Standardized control panel with USB ports for simple data management and system updates.
  • JUKI Smart APP for managing sewing data, checking machine status, and analyzing production.

• Enhanced Operator Comfort:

  • Large hook for reduced thread changes and lower operator fatigue.
  • LED hand light with adjustable colors to minimize eye strain.
  • Automatic operation panel backlight and sleep mode to save power and reduce energy consumption.

• Reduced Power Consumption and Noise:

  • Compact AC servomotor and efficient actuator reduce power usage by up to 30.8% compared to previous models.
  • Noise and vibration are minimized for a quieter, more comfortable work environment.

Technical Specifications:

• Model: Juki LH-4578CFGF-7
• Type: Full Digital, Semi-dry Head
• Applications: Heavy-weight materials, jeans
• Max. Sewing Speed: 3,000 stitches per minute
• Max. Stitch Length: 7mm
• Needle Bar Stroke: 33.4mm
• Needle Feed System: Slide type
• Presser Foot Lift (max): 13mm
• Needle: DP × 5 #21 (range #16~#23)
• Thread Range: #30 - #3 (bobbin thread for #8 - #3 should be #20)
• Hook: Vertical-axis large hook (1.8-fold capacity)
• Free Space under Arm: 120 mm height, 266 mm distance from arm to needle, 87 mm height of jaw section
• Lubrication: Semi-dry, minute-quantity lubrication for the hook section (tank system)
• Lubricating Oil: JUKI New Defri x Oil No.1 (ISO VG7 equivalent)