Innovators in NDT Technology
Saw Bug

SAW Bug

SAW Bug is a motorised, magnetic-wheeled buggy that can carry up to six ultrasonic TOFD and/or phased array transducers. It is designed for the single axis inspection of circumferential welds on carbon steel pipelines from 4”OD up to flat.
SAW Bug is a motorised, magnetic-wheeled buggy that can carry up to six ultrasonic TOFD and/or phased array transducers. It is designed for the single axis inspection of circumferential welds on carbon steel pipelines from 4”OD up to flat.
Description

Motorised Single Axis Weld Scanner

Product Datasheet PDF

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SAW Bug is a motorised, magnetic-wheeled buggy that can carry up to six ultrasonic TOFD and/or phased array transducers. It is designed for the single axis inspection of circumferential welds on carbon steel pipelines from 4”OD up to flat.
Overview

With a four-wheel drive system, the magnetic buggy has excellent grip and drive power and delivers constant speed whether ascending or descending the inspection surface.

The standard SAW Bug holds four transducers: typically two phased array and two TOFD probes but can accommodate up to six probes. Its compact design makes it adaptable for the inspection of a wide range of welds from 4” OD pipes up to large vessels.

The single axis motor is controlled via a simple remote handset offering forward and reverse drive options and variable speed control for the non-steerable magnetic wheels. The motor power unit includes an emergency stop for safety and outputs the live motor encoder signals directly for connection to any industry standard instrumentation.

SAW Bug incorporates many of the proven features of the Phoenix MagScan with the package streamlined for a much lower price point for the automated inspection of welds.

Benefits
  • Low cost automated single axis inspection
  • Quick to setup and operate
  • User-friendly operation with simple control handset
  • Compatible with all instruments with encoding capabilities
  • Powerful four wheel drive system gives excellent grip and performance to overcome small obstructions
  • Laser guide for alignment
  • No tools required, simple to adjust probe position with thumbscrews
Specification
  • Compact, low profile design: 200 x 220 x 120mm
  • Lightweight at only four kilograms
  • Range: 4” OD up to flat
  • Speed adjustable from 5-100mm/sec
  • Compact motor controller for easy transportation
  • Holds up to six probes
  • Quick release probe adjustment
  • Probes independently sprung and gimballed
  • Robust construction for site conditions
  • Strong magnetic wheels for use on painted surfaces
Kit & Accessories

Standard Kit:

  • 1 x Buggy with 4 magnetic wheels
  • 1 x Adjustable probe frame
  • 1 x Single axis Drive motor controller unit
  • 1 x Remote handset
  • 1 x Laser guide
  • Umbilical cable bundle for motor, couplant and probes
  • Phased Array and/or TOFD Tool-posts (specify code when ordering)
  • 1 x Encoder synchronisation cable (specify instrument when ordering)
  • 1 x Run-off mat
  • Rugged carry case

Accessories:

  • Manual couplant pump
  • TOFD probes and wedges
  • AEP-TPOST-30 TOFD tool-post
  • Phased Array probes and wedges
  • AEP-TPOST-PA Phased Array tool-post
  • Calibration blocks
Downloads
Product Video

This motorised weld crawler features powerful magnetic 4 wheel drive.

The SAW Bug is suitable for circumferential scanning of pipes and vessels of 3" OD up to flat and can carry a variety of probe configurations. Excellent grip and laser guide assist with weld alignment. The included motor controller is easy to set up and features a live encoder output for compatibility with any instrumentation with this feature.

 

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