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SpeedStar Diamond and SpeedStar Compact

The SpeedStar Diamond and SpeedStar Compact jetting heads are characterized by fast, precise adhesive application of beads and dots and very high durability. The electro-mechanically operated jetting heads are suited for contact-free application of low- to medium-viscosity thermoplastic hot melt adhesives.
SpeedStar Diamond
SpeedStar Diamond
SpeedStar Compact
SpeedStar Compact

The SpeedStar Diamond and the SpeedStar Compact are designed for extremely short switching cycles with small and precise adhesive dots in processes with very high speeds. The two application heads differ in their design: SpeedStar Compact has been designed for limited space and is smaller thanks to the detached electronic unit. Due to the narrow design of the SpeedStar modules, both jetting heads are available in multiple-module versions and can be directly actuated via PLC thanks to 24 VDC.

Advantages of the SpeedStar Diamond and SpeedStar Compact Jetting Heads – At a Glance
  • Fast up to 800 dots per second
  • Durable with 250/500 million operating cycles
  • Repeatable short beads/small dots even at high speeds
  • Adhesive savings due to reduced dot size or stitching function
  • Increased operator safety and reduced energy consumption thanks to CoolTouch insulation
  • Compact and ideal for tight spaces
  • 24 VDC enables actuation via PLC
  • Quiet (approx. 35 dB(A))
Reliable, safe, and modular

Despite temperatures up to 185 °C and viscosities up to 2,500 mPas, the high-quality SpeedStar Diamond jetting heads reach a very high service life. Their repeatability is unique,resulting in consistent dot size and positioning without manual recalibration across the entire service life. Thanks to the integrated filter in the heating block, nozzle blockage is prevented. The jetting heads are actuated electro-mechanically and do not require compressed air.

The heat-resistant CoolTouch insulation protects operators as well as products to be glued from heat. Energy consumption is reduced,and a constant adhesive temperature ensured, even with a draft from fast-running machines.

The application heads feature a modular design which enables to match them exactly to the customer-specific production needs. They are compatible with most Robatech application systems. This simplifies integration into existing machines and reduces spare part costs.
Integrated filter
Technical data
  SpeedStar Diamond SpeedStar Compact
Temperature range 20 to 185 °C
Adhesive pressure Max. 75 bar
Adhesive Thermoplastic adhesives
Adhesive viscosity 100 to 2 500 mPas 
Operating cycles 250 million* 500 million*
Switching frequency 800 Hz*/** 
Adhesive outlet 0.5 ms* 
Jetting element width 18 mm 
Nozzles 296 Diamond 
Supply voltage 230 VAC (EN60204), 50/60 Hz 
Control signal 24 VDC / 8 W 
Attachment For shaft ø 12mm, flat steel or M5 thread 
Noise level Approx. 35 dB(A) 
Degree of protection IP41 (IP55 as Option)  IP55
Installation dimensions (mm) 132.3 x 24 x 184.7 132.3 x 24 x 139.6

* Depending on operating environment and conditions (adhesive, temperature, frequency, etc.)
** Continuous load: single head = 100 Hz, double head = 25 Hz, quad head = 15 Hz

Robatech AG
Pilatusring 10
5630 Muri
Tel +41 56 675 77 00
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