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Online Bolt Tension Monitoring - SMTP

Monitor the actual tension of bolts and anticipate fastening losses during the campaign.

The challenge

Torque does not reveal actual tension

The applied torque does not guarantee the actual tension of the bolt, and the loss of fastening during the campaign can cause leaks, cuts, liner damage, and stoppages.

The solution

Actual tension monitored throughout the campaign

Sensor system that measures the actual tension of bolts 24/7 and transmits the information to a web platform. It allows characterizing tension loss, generating alerts, and planning retorque or maintenance actions.

Benefits

Real and continuous tension monitoring

Real and continuous tension monitoring

Measures actual tension and not just torque, with 24/7 monitoring, antenna coverage up to 300 m, multiple bolt sizes, and access through a web platform.

Less slack and leaks

Less slack and leaks

Reduces slack, bolt cuts, and slurry leaks.

Failure prevention

Failure prevention

Helps prevent unscheduled maintenance and liner drop.

Action planning

Action planning

Provides evidence to plan actions during the campaign.

How does the solution work?

How does the solution work?

Click to enlarge

Transforming operational data into actionable information

Can leverage existing cameras, features end-to-end coverage and automatic classification, consists of a platform with traceability, and applies to multiple stages of the process.
Captured information
01
Actual tension
02
Health status
03
Decay curve
04
Loosening events
05
Bolt history
06
Alerts
07
Tension recovery recommendations
Processing
Tension analysis and decay curves
Results
01
Real-time dashboard
02
Alerts
03
Tension history
04
Inspection or retorque recommendations
Continuous model improvement
Captured information
01
Actual tension
02
Health status
03
Decay curve
04
Loosening events
05
Bolt history
06
Alerts
07
Tension recovery recommendations
Processing
Tension analysis and decay curves
Results
01
Real-time dashboard
02
Alerts
03
Tension history
04
Inspection or retorque recommendations
Continuous model improvement

Where does the solution apply?

SAG Mills

Ball Mills

Thickeners

Industrial bolted joints

Approximate diameters from 1” to 2” and M24 to M52

Click to enlarge

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