Smart Welder SW955/959

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Smart Welder SW955/959

Best of both Technologies: ultrasonic welding & wire bonding

Hesse Mechatronics Smart Welder combine the best of two technologies:

  • The force and ultrasonic power of ultrasonic welding equipment
    and
  • The flexibility, precision, speed and advanced process control features of wire bonding machines.

Smart Welder provide producers of medium-sized ultrasonically welded connections with increased process control and freedom of design for the next generation of capable, efficient and cost-effective designs in power electronics, battery packs and other applications.

The new Smart Welder by Hesse include precise positioning and rotation between welding tool and product, image recognition to detect the exact weld location, and derivation of an optimal trajectory to reach the weld location quickly and very precisely.

Together with long and narrow welding tools, this allows very tight spacing and thus compact products, higher power density.
Further advanced functions include touchdown sensing, precise and dynamic contact force control, diverse process control features such as monitoring of ultrasound characteristics and deformation (cf. DVS 2811), and standardized interfaces for assembly line integration.
Smart Welder can, like ultrasonic wire bonders, flexibly handle a large variety of products. New products only require a program change and possibly adapted clamping and automation.

Advanced features and process advantages

  • Better UPH: Only one welding point instead of a complete connection
  • Unbeatable in positioning and clearance
  • Image recognition for detection and correction of the weld location
  • Active vertical axis
  • Wide range of US power (for flex PCB up to leadframe applications)
  • Narrow pitch and deep access due to long, narrow welding tools and pattern recognition supported positioning
  • Perfect US exposure by rotating weldhead
  • Touchdown sensor to avoid damage to sensitive contact partner
  • Precise and dynamic force control
  • Programmable welding maps with multi interval processes
  • Individual parameters per spot
  • Flexibility to handle a large variety of products
  • Standardized interfaces for line integration
  • Automotive accepted process control (PiQC, patented)
  • Automated bondtool calibration without wedge gauge
  • Wear-free components with Piezo technology
  • Maintenance-free solid state joints
  • Pre-setting of weldheads

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Flexibility

  • Working area: up to 370 mm x 560 mm
  • Flexible use of the working area, e.g. vacuum clamping
  • Maximization of throughput by automation (two/more parallel lanes)

Quality

  • Process integrated Quality Control PiQC: detection of further parameters, e.g. friction behavior, by additional sensor system for 100 % quality monitoring in real time (patented); as option

Working area

  • SW955: X: 305 mm; Y: 410 mm; Z: 42 mm
  • SW959: X: 370 mm; Y: 560 mm; Z: 42 mm
  • P-axis and rotation: 440°
    (only for hybrid machines)

Mechatronic weldhead

  • From 200 W up to 1500 W

Ultrasonic

  • Wide range of US power
  • Programmable ultrasonic power output

Footprint and weight

  • SW955: 740 mm x 1484 mm x 1912 mm, ca. 1150 kg
  • SW959: 805 mm x 1634 mm x 1912 mm, ca. 1300 kg