May.7, 2013

Creaform, a leading manufacturer of portable 3D measurement solutions and 3D engineering services, has launched on Monday a series of robot-mounted laser 3D scanners for automated inspection on and off the production line.

Levis, Quebec based Creaform said manufacturers trying to remain competitive are facing major challenges, as they have to deliver more complex and superior quality products within ever shortened turnarounds and production cycles. But with existing measurement technology, they are struggling to achieve high levels of accuracy when inspecting their parts to guarantee fabrication quality.

"There was a definite lack in the manufacturing industry for accurate and reliable devices to carry out automated on- and off-line 3D inspection processes on complex parts," explains Jean-François Larue, product director for the MetraSCAN-R series. "High-rate serial production processes require fast 3D measurement systems that can inspect a part and deliver a conformity status within a typical cycle time. For us, it was obvious that a scanning device insensitive to shop floor conditions was the way to go."

Creaform's robot-mounted laser scanner can inspect a wide range of parts directly on the shop floor, thanks to the TRUaccuracy technology that guarantees accuracy of up to 0.085 mm in shop floor conditions (no matter instability, vibrations, thermal variation, etc.). And accuracy is determined by the optical CMM scanner and independent from the robot.

The scanners are offered in two versions (70-R and 210-R) and designed for automated and robotized inspection applications such as:

  • on-line inspection in mass production (up to a few hundreds parts a day),
  • on-line inspection of parts ranging from 0.5 to 3 meters in size,
  • part-to-CAD analysis,
  • supplier product quality inspection,
  • conformity assessment of 3D models against original parts / production tooling or manufactured parts against originals.

Specifications:

  • Weight: 2.75 kg (6 lbs.)
  • Dimensions: 282 x 250 x 282 mm (11 x 9.8 x 11 in.)
  • Measurement Rate: 36,000 measures /sec.
  • Resolution in x, y, z axis: 0.05 mm (0.002 in.) - MetraScan 70-R; 0.1 mm (0.004 in.) - MetraScan 210-R
  • Stand-Off Distance: 152 mm (6 in.) - MetraScan 70-R; 300 mm (12 in.) - MetraScan 210-R
  • Depth-of-field: ± 50 mm - MetraScan 70-R; ± 100 mm - MetraScan 210-R
  • Laser Cross Area: 70 mm x 70 mm (2.7 x 2.7 in.) - MetraScan 70-R; 210 mm x 210 mm (8.2 x 8.2 in.) - MetraScan 210-R

As for now, the MetraSCAN-R is compatible with robot KR5 Arc / KRC4 from KUKA and Metrologic®'s X4 iRobot software only. The range of compatible hardware and software will be expanded in the near future.


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