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IMI Sensors - Gearboxes

IMI Sensors - Gearboxes

IMI Sensors - Gearboxes

Product catalog summary
Overview
This document provides technical specifications and recommendations for IMI Sensors, a division of PCB Piezotronics, focusing on instrumentation for gearboxes. The sensors are designed to operate in harsh environments and detect gear mesh faults.

Predictive Maintenance
The selection of sensors is based on gear mesh frequency and bearing defect frequencies. The gear mesh frequency is calculated by multiplying the number of gear teeth by the rotational frequency. For example, a motor with 1800 rpm and a gear with 50 teeth results in a gear mesh frequency of 1500 Hz. Sensors should be capable of measuring up to 3.25 times this frequency for optimal results. If the number of teeth is unknown, a rule of thumb is to assume the maximum sensor frequency as 200 times the rpm. Sensors should be mounted away from resonance-prone locations and can be placed radially or axially to detect imbalances and faults.

Sensor Models
  • Precision ICP® Accelerometer Model 622B01, M622B01: Features a full frequency sweep calibration with a 15 kHz high-frequency response, ideal for early detection of bearing fluting conditions.
  • Precision ICP® Accelerometer Model 625B01: Side exit, ring-style with a ceramic sensing element and an integrated velocity output option.
  • Precision ICP® Accelerometer Model 626B01: High sensitivity with temperature output available.
  • Low Cost ICP® Accelerometer Model 603C00: Offers 10 mV/g sensitivity and a 500 g measurement range.
  • Low Cost ICP® Accelerometer Model 607A11, M607A11: Features a unique 360º swivel design for easy cable orientation.

Accessories
Includes sensor mounting pads, adhesive kits, polyurethane cabling, and flat surface magnets. A high-frequency accelerometer kit is also available.

Certifications
The company is AS9100 and ISO 9001 certified, and A2LA accredited to ISO 17025.

Applications
IMI Sensors are used in various industrial applications including vibration monitoring, machine tool spindles, nuclear power instrumentation, and wind turbine condition monitoring.
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Catalog excerpts

IMI Sensors - Gearboxes-1

IMI Sensors - A PCB Piezotronics Division Gearboxes Instrumentation Built to Survive in Grease & Grime and Pickup Gear Mesh Faults

 Open the catalog to page 1
IMI Sensors - Gearboxes-2

Predictive Maintenance Gearboxes The sensor has to be chosen based on calculated gear mesh frequency and bearing defect frequencies. The gear mesh frequency is easily determined by multiplying the number of teeth on a gear by the rotational frequency. For example, a motor with 1800 rpm (30 Hz) and a gear with 50 teeth results in a gear mesh frequency of 1500 Hz. This result multiplied by a factor of 3.25 will provide the maximum frequency the sensor should be able to measure for best results. If the number of teeth on a gear is unknown, as a rule of thumb, the maximum sensor frequency should...

 Open the catalog to page 2
IMI Sensors - Gearboxes-3

Reducer / Slow Speed - Predictive Maintenance Precision ICP® Accelerometer ■ Side exit, ring-style ■ Ceramic sensing element ■ 100 mV/ips integrated velocity output option available Precision ICP® Accelerometer temperature output High Speed / Gear Mesh - Predictive Maintenance Low Cost ICP® Accelerometer Low Cost ICP® Accelerometer ■ Unique 360° swivel design ■ Allows for easy cable orientation ■ Integral or armored integra cable options available Precision ICP® Accelerometer ■ Full frequency sweep calibration: 5% sensitivity deviation tolerance ■ 15 kHz high frequency response ideal for early...

 Open the catalog to page 3
IMI Sensors - Gearboxes-4

Accessories Cables & Connectors Polyurethane Cabling with MIL-Style Connector 052BRXXXBZ Polyurethane Cabling with Right Angle MIL-Style Connector 052BQXXXBZ XXX = Denote cable length, 010 = 10 feet (Metric lengths available) Mounting Hardware Sensor Mounting Pad Flat Surface Magnet Very High Frequency Accelerometer Kit Model 600A12 This high frequency 10 mV/g accelerometer kit features a very small accelerometer with a magnet and cable assembly n n n High frequency response to 30 kHz, even when mounted magnetically Supplied with 5 ft. cable with BNC plug termination Kit features Model 621B40...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.