Offshore & onshore · UAE & ChinaInspection · Overhaul · Parts · Manufacturing

RTS / Vibration analysis

See the frequencies.
Understand the condition.

Vibration analysis inspections for rotating equipment, with wireless measurement, bearing and gear diagnostics, and a clear route from findings to maintenance action.

Explore a running equipment model

Change the speed.
Watch the signature move.

Choose a condition scenario, adjust motor speed and compare the envelope, gear-mesh spectrum and trend. This is a learning demonstration of the monitoring approach.

RIG PULSE AIINTERACTIVE DEMONSTRATION / SYNTHETIC DATA

Drawworks / illustrative drive train

Wireless measurement network · six planned points

Drive motorCouplingGearboxDriven shaft
Measurement pointmm/s RMSExample status
Motor DE—Normal
Motor NDE—Normal
Gearbox input—Normal
Gearbox output—Normal
Driven DE—Normal
Driven NDE—Normal

Bearing envelope spectrum

Look for fault-frequency harmonics and sidebands

Condition trend

Time waveform

Illustrative time signal · display offset stated on the chart

Gear-mesh spectrum

Input pinion example: 24 teeth · shaft-speed sidebands

Select an equipment and condition scenario to explore the demonstration.

Simulation only: no sensors or production software are connected. The same illustrative motor-side bearing geometry is used for every equipment selection: eight rolling elements, 10 mm element diameter, 50 mm pitch diameter, zero contact angle, stationary outer ring. Actual machine frequencies, sensor synchronisation, alarm limits and replacement decisions require equipment-specific engineering. DE = drive end; NDE = non-drive end.

Measurement to interpretation

Build a repeatable frequency profile.

01

Map the machine

Identify bearings, gear ratios, tooth counts, shaft speeds and suitable measurement locations.

02

Measure in operation

Collect triaxial vibration at the planned points while recording speed, load and operating state.

03

Compare signatures

Review waveforms, envelope spectra, harmonics, sidebands and trends against the baseline.

04

Recommend action

Prioritise checks, repeat measurements, maintenance and post-repair verification.

Reading the spectrum

Fault-frequency families,
not isolated peaks.

01

BPFO · Outer race

Ball Pass Frequency Outer race: repeated impacts at this frequency and its harmonics can support an outer-race investigation.

02

BPFI · Inner race

Ball Pass Frequency Inner race: harmonics with shaft-speed sidebands can support an inner-race investigation.

03

BSF / FTF

Ball Spin Frequency and Fundamental Train Frequency support analysis of rolling-element and cage-related patterns.

04

Gear-mesh frequency

Tooth count multiplied by shaft frequency. Sidebands and trend changes help investigate load modulation and gear condition.

05

Lubrication & looseness

Broadband energy and impulsiveness require review alongside temperature, lubrication history, mounting and mechanical checks.

06

Operating context

Variable speed and load change the signature. Order-based analysis, comparable conditions and reliable speed input improve interpretation.

Are all bearings and gears monitored at the same time?

The installation plan covers the relevant accessible bearing and gear-stage locations. Wireless nodes can acquire data while the machine runs; truly simultaneous waveforms depend on the selected hardware and synchronisation configuration.

Does a red condition mean automatic replacement?

No. It identifies an urgent review priority. Replacement or shutdown decisions require confirmed findings, competent engineering review and the site maintenance procedure.

Can vibration identify ovality or lack of maintenance?

It can reveal patterns that justify investigation. Ovality requires dimensional confirmation, and maintenance-related causes must be checked against lubrication records, operating history and physical findings.

Expanded photograph

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