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STF – 22 4B™

  • Force Range: 450 lbf to 12,814 lbf (2 kN to 57 kN)
  • Repeatability: ±1% of force setting
  • Max Riveting Capacity: M10 Nut, M8 Stud, M6 Standoff (carbon steel)
  • Throat Depth: 25 in (635 mm)
  • Throat Height: 18 in (450 mm)
  • Stroke: 8 in (200 mm)
  • Fastener Sizes: 2-56 to 3/8-16 (M2 to M10)
  • Pump: Dual
  • Touch Screen: 10 in (254 mm)
  • Control Panel: Touch screen
  • Main Power: 1.5 kW
  • Current: 4 A
  • Hydraulic Oil: 46/32
  • Oil Tank Reservoir: 11.9 gal (45 L)
  • Air Pressure: 73–102 psi (0.5–0.7 MPa)
  • Power Supply: 380 V, 3-phase, 50–60 Hz
  • Size (D × W × H): 62.2 in × 42.1 in × 86.6 in (1,580 mm × 1,070 mm × 2,200 mm)
  • Weight: 2,535.3 lb (1,150 kg)
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Product Overview

Our advanced fastening system is engineered to maximize productivity, reduce manual effort, and ensure consistent quality in every operation. With automatic tool changers, modular feed systems, and smart programming, this machine is designed for precision, speed, and operator safety.

Key Features

4 Station Automatic Upper Tool Changer

  • Vacuum absorption automatically switches tools during operation.
  • 4-position upper tool library and 4 feeding devices (8 pre-programmed positions).
  • Handles up to 4 different fastener sizes and types in a single process.
  • ~2.5 seconds per fastener; ~3-second automatic tool change for higher throughput.

4 Station Automatic Lower Tool Changer

  • Lower Tool Library plus Handling Lower Manual Tool Indexes.
  • Positions up to 4 different tools in the lower tool holder for flexible operations.

Ergonomic Design

  • Operator control panel is adjustable in two directions for comfort and usability.

Safety System

  • The press stops when encountering a foreign object, reducing operator risk.

Easier and Faster Programming

  • Install up to 4 different fasteners in a single part.
  • Batch counter tracks both fasteners used and completed parts.
  • Per-station settings for Force, Dwell Time, and Fastener Quantity.
  • Real-time vacuum monitoring with prompt alarms helps prevent missed counts.

4 Set MAS Modular Auto Feed Systems

  • Fast, easy tooling setup; automatic tool on the vibration bowl secures with a single screw.
  • High-quality aluminum vibration bowl; lightweight with a textured finish.
  • Smart piezoelectric controller auto-adjusts voltage and frequency.
  • Feeds nuts, studs, and standoffs from M2 to M6; studs/standoffs up to 25 mm length.