TAILOR WELDED BLANKS (EMAT)

TEMATE SI-WB is the industry standard for automated inspection of laser welds in Tailor Welded Blanks. TEMATE SI-WB can be integrated on any line using the line conveyor, de-stacking robots or automated and manual scanners from Innerspec or other vendors. The TEMATE SI-WB system can be complemented with OPTEMATE, a laser camera system designed to be integrated seamlessly within the TEMATE platform.

Features

• Non-contact EMAT technique.
• Guided waves fill up the volume of the material and provide thru thickness inspection in one pass.
• Detects and discriminates “planar” defects such as lack of fusion, lack of penetration, concavity or mismatch, and “point” defects such as holes and porosity.
• Insensitive to cosmetic defects that do not affect the structural quality of the weld.
• Less sensitive to probe positioning, no “rastering” motion or “phased array” of sensors necessary. Self-calibrated sensor. No need for teaching period or regular calibrations. Permits inspection at up to 1m/s in completely automated environments.
• Exclusive flexible sensor technology that conforms to the surface and undulations of the part.
• Multi-sensor capabilities with one system controlling up to two sensor heads.
• Most proven and reliable system in the market with hundreds of systems installed.
• Optional camera system for measurement of lateral offset (a.k.a blank misalignment), excess weld metal, and positive mismatch.

General Specifications

Materials Inspected

• Steel and Aluminum, all grades coated and uncoated
• 0.010” (0.3mm) to 0.138” (3.5mm) thickness

Defect Detection

• Only system in the market capable of meeting ALL requirements as per ISO 13919-1 and SEL100. Capable of meeting all known OEM quality requirements for TWB.

Inspection Technique

• Volumetric guided waves for inspection of the weld (i.e. top and bottom surface, and internal).
• Pitch-catch and pulse-echo configurations.
• Maximum sample rate of 2000 pulses per second for inspection speed of 1m/s.

Integration Options

Innerspec Table Scan

• High-speed inspection of linear welds using Innerspec’s TEMATE.
• Manual start or factory PLC controlled.
• Adjustable for different part sizes, and multiple welds.
• Compatible with all Innerspec weld inspection sensors for scans up to 1 m/sec.
• Visual & digital results for each weld.
• Parts loaded manually or with robot.

Watch this video to learn more about the Innerspec Table scan - Click here

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