Innovators in NDT Technology
SIM

SIM

Designed to inspect vessel studs and fixing bolts without removal, the SIM passes a probe head down the central heating hole and provides a full length scan of the bolt. SIM carries six probes (pulse echo and TOFD), and can perform a helical or raster scan.
Designed to inspect vessel studs and fixing bolts without removal, the SIM passes a probe head down the central heating hole and provides a full length scan of the bolt. SIM carries six probes (pulse echo and TOFD), and can perform a helical or raster scan.
Description

Turbine Stud Inspection Manipulator

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Designed to inspect vessel studs and fixing bolts without removal, the SIM passes a probe head down the central heating hole and provides a full length scan of the bolt. SIM carries six probes (pulse echo and TOFD), and can perform a helical or raster scan.
Overview

With its flexible modular design and simple set-up procedure (less than 10 minutes per bolt), SIM is a popular choice for the power industry.

Originally designed for the in-service inspection of studs in the bore, the SIM is attached to the face of the bolt and passes the probe head down the bore of the stud.

SIM is ideal for; Studs and fixings with central heater holes, typically used for turbine casings, nuclear vessel and pump flanges, generator radial holes, small diameter bores in forgings such as gas turbine rotors and rail axles.

With its flexible modular design, SIM can be used for all applications simply by changing parts such as the mounting flange and the probe lances.

SIM can be used for all applications simply by changing parts such as the mounting flange and the probe lances.

Improving efficiency in the power sector

Increased competition in the power industry has created a need for more efficient plant operation. Operators’ desire to decrease outage time and extend inspection intervals makes advanced and reliable NDE critical.

Systematic maintenance and inspection also guarantees continuous plant availability in the long-term. The SIM is a favourite with the power industry, due to its reliable operation and results and ability to reduce downtime. Customers tell us that by using the SIM, they have been able to carry out inspections in-situ, and on bolts which were previously inaccessible. Easy to assemble and remove, the SIM can operate unattended during scanning. It is designed to prevent physical damage to the plant. All exposed materials are low in halogens and sulphur and parts are tethered or captive if they need to be released during assembly or dismantling. In the event of a temporary loss of service the inspection can be restarted without operator intervention at the workface and if services are permanently lost, it is still possible to remove.

Safety features

The SIM is inherently safe. Both axes will not back drive under their own weight. It cannot be connected incorrectly and the motors cannot be energised without first connecting the limit switches and encoders.

Specification
  • Carries up to 8 ultrasonic or eddy current channels; if using a phased array ultrasonic probe up to 16 elements
  • Standard stroke length is 870mm – other lengths are available
  • Probe lance sizes 16mm to 95mm diameter – other diameters are available
  • Probe lance extensions allow the inspection of longer bores
  • Overall length is only 205mm more than the maximum stroke length
  • Width 120mm
  • Can perform helical or raster scans
  • Operates in a restricted envelope
  • High immunity to external noise, essential for TOFD inspections
  • High temperature options available
Kit & Accessories

Standard Kit:

  • Scanner only (excludes Lances and Mounting Adaptors)
  • 10m cable and connections to Motor Controller
  • Hardigg type transport crate (can be replaced by 3 off Pelicase)

Accessories:

  • Probe lances for studs/bolts
  • Stud mounting adapters
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Our Customers
CITEC
Alstom
Applus RTD
Network Rail
Apave
Sonomatic
Airbus
Bilfinger
EDF Energy
Comex Nucléaire
Siemens
BAE Systems
SGS
TWI
JF Nuclear
National Nuclear Laboratory
Oceaneering International
Westinghouse
Amec Foster Wheeler
Dalton House,
40 Hardwick Grange,
Warrington,
WA1 4RF U.K.
t: +44 (0) 1925 826 000
f: +44 (0) 1925 838 788
e: office@phoenixisl.com