Vibration Monitoring for the Paper and Pulp Industry

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Predictive maintenance is essential to the paper and pulp manufacturing process to ensure product efficacy, operational uptime, and to prevent catastrophic failures. Due to the intense heat and caustic processes involved in paper manufacturing, machine fires are a common occurrence in the absence of predictive maintenance. 

Condition monitoring programs can be used to monitor the vibration of the bearings throughout the plant and improve the reliability of the overall process.

Commonly monitored machines within a paper mill include:

• Calendars
• Chippers
• Dryers
• Drying Cylinders
• Fans
• Gearboxes
• Motors
• Compressors
• Paper Machine Rolls
• Couch Rolls
• Pump
• Winder

Common faults like misguided felts, breaks, and fires can be caused by defects in rolling element bearings resulting from:

• Improper Lubrication
• Misalignment
• Uneven Wear
• Overloading

Due to the often hot, wet, and chemically challenging environment present in paper and pulp processing, CTC recommends the permanent mounting of vibration sensors to the machine. CTC offers a variety of robust and reliable hardware tailored to meet the needs and environments of each industrial process within the paper industry.

FORMING / PRESSING AND CALENDAR SECTIONS

Recommended Products

Standard Accelerometer Offerings for environments up to 250 °F (161 °C):

AC102 & AC104	AC292 & AC294	UEB332 & UEA332	TREA330
Multipurpose Accelerometer, 2 Pin Connector, 100 mV/g, ±10%, ±80 g, Dynamic Range	Premium Compact Accelerometer, 2 Pin Connector, 100 mV/g, ±5%, ±80 g, Dynamic Range	Dynamic Vibration IEPE Ultrasound Sensor, 1/4-28 Mounting, 2 Pin Mini-MIL Connector, 100 mV/g, ±10% ±50 g, Peak	Miniature Industrial Triaxial Accelerometer, 3 Pin Mini-MIL Connector, 100 mV/g, ±5%, ±50 g, Peak

500 mV/g Accelerometer Offerings for slow, low-frequency applications:

AC133	AC134	TXFA331
Low-Frequency Accelerometer, Top Exit, 2 Pin Connector, 500 mV/g, ±10%	Low-Frequency Accelerometer, Side Exit, 2 Pin Connector, 500 mV/g, ±10%	Low-Frequency Triaxial Accelerometer, Side Exit, 4 Pin Mini-MIL Connector, 500 mV/g, ±5%

CTC's Dual Output Sensors are also very popular choices for paper mill predictive maintenance programs. Dual Output Sensors allow the user to measure both temperature and vibration in one sensor. 

Dual Output Vibration and Temperature offerings:

TA200 Series	TR100 Series	VT200 Series
Dual Output Sensors, Temperature & Acceleration Options: 25 mV/g and 10 mV/°C 100 mV/g and 10 mV/°C 500 mV/g and 10 mV/°C	RTD Sensors, Temperature & Acceleration Options: 100 mV/g and 10 mV/°C 500 mV/g and 10 mV/°C	Dual Output Piezo Velocity Sensors, Velocity & Temperature Options: 100 mV/in/sec and 10 mV/°C

CTC's Nylon Connectors are the ideal choice for use with multi-purpose accelerometers and Dual Output Sensors in paper processing. Our nylon connectors have strong chemical resistance for the caustic environments to protect the efficacy of your data. For high moisture concerns, select V Series Viton® Seal-Tight Boots for an IP68 rated seal:

A2N & A3N	B2N & B3N	V2N & V3N	J4N
Nylon Molded Connector, 250 °F (121 °C)	Seal-Tight Silicone Boot Connector with Nylon Insert, 250 °F (121 °C)	Seal-Tight Viton® Boot Connector with Nylon Insert, 250 °F (121 °C)	Nylon Molded Connector for 4 Pin Triaxial Accelerometers, 250 °F (121 °C)

CTC recommends FEP Jacketed Cabling for the chemical concerns present in paper processing:

CB111	CB112	CB119
Twisted, Shielded Pair Cable for Single Axis Sensors, 392 °F (200 °C)	3 Conductor, Shielded Cable for Dual Output Sensors, 392 °F (200 °C)	4 Conductor, Shielded Cable for Triaxial Sensors, 392 °F (200 °C)

DRYER SECTION & HIGH-TEMPERATURE APPLICATIONS

Recommended Products

For high-temperature environments, CTC offers a variety of IEPE Sensors with high-temperature resistance up to 325 °F (162 °C).

High-Temperature IEPE Offerings for environments up to 325 °F (162 °C):

AC207 & AC208	TXEA331-HT
High-Temperature IEPE Accelerometer, 2 Pin Connector, 100 mV/g, ±10%	High-Temperature Triaxial Accelerometer, Side Exit 4 Pin Mini-MIL Connector, 100 mV/g, ±5%

Pair CTC's high-temperature resistance sensors with our high-temperature resistance connectors. CTC offers a variety of PPS Connectors rated for temperatures up to 325 °F (162 °C). CTC's V2R (for single-axis sensors) and JV4R (for triaxial sensors) are Viton® Seal-Tight Boot Connectors with PPS Inserts. These connectors are great in caustic environments and have an IP68 rated seal to protect against hot and wet environments:

A2R	A2S	V2R	JV4R
2 Socket MIL-Style PPS Molded Connector, 392 °F (343 °C)	2 Socket MIL-Style PPS Molded Connector and Locking Ring, 392 °F (200 °C)	2 Socket MIL-Style Seal-Tight Viton Boot with PPS Insert, for Single Axis Sensors, 350 °F (177 °C)	4 Socket Mini-MIL Seal-Tight Viton Boot Connector with PPS Insert, for Triaxial Accelerometer, 3650 °F (177 °C)

 

CB111	CB119
2 Socket MIL-Style PPS Molded Connector, 392 °F (200 °C)	4 Conductor, Shielded Cable for Triaxial Sensors, 392 °F (200 °C)

When permanently mounting sensors, it is important to run cables back to a safe data collection point to limit analyst exposure to the high temperatures found in the dryer section.

CTC Junction Boxes provide a common cable termination point for bringing compatible cables for sensors back to one location for routine data collection with portable data collectors.

CTC offers a wide variety of Junction Boxes ranging from 1 channel up to 48 channels. Multiple channel count configurations mean that you only pay for the number of channels that you require. Due to moisture ingress concerns in paper processing, CTC recommends only selecting enclosures with latching doors for a NEMA 4X (equivalent to IP66) rating.

Junction Box Feature Comparison Chart:

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CTC is the world leader in the design and manufacture of industrial accelerometers and piezo velocity transducers, 4-20 mA vibration sensors, and proximity probe sets, as well as all related mounting hardware, cables and connectors, and junction boxes. Our products enable efficient vibration monitoring for predictive maintenance in a wide variety of industries. Industries served include cement, mining, petrochemical, food & beverage, auto, steel, wind, paper & pulp, power generation, water & wastewater treatment, pharmaceutical, hospitals, bottling, and more. Our mission is to offer the widest variety of accelerometers and vibration hardware products, which are compatible with data collectors and online monitoring systems, as well as the tools for installation.

The CTC product line features vibration analysis hardware for heavy industry. All CTC products are backed by our unconditional, lifetime warranty. If any CTC product should ever fail, we will repair or replace it at no charge.

CTC’s PRO Line offers the world’s most durable and reliable Proximity Probe Sets including drivers, probes, extension cables, and driver enclosures for 24/7 protection of critical machinery in the most demanding industrial environments. CTC PRO Line Proximity Probe Sets are compatible with all major data collectors. PRO Line products are covered by our best-in-class lifetime warranty on material and workmanship.


The TMP line features vibration analysis hardware for research and development. All TMP products are backed by a five-year warranty on materials & workmanship for standard sensors and a two-year warranty for all accessories, cables, connectors, and custom & private-labeled products.

CANCELLATION POLICY:
Stock, built-to-order, and private-label products qualify for free cancellation only if cancelled within 24 hours of order entry. 

After 24 hours of order entry:

• Stock products will be subject to a 25% cancellation fee
• Built-to-order and private-label products will be subject to a 50% cancellation fee

Custom products are non-cancellable at any time after the order is placed.

If you wish to cancel an order, please reach out to your CTC sales representative. The timestamp of when your email requesting cancellation was received will be honored for whether or not your request meets the free cancellation window.

RETURN POLICY:
All stock products may be returned for a 25% restocking fee if returned in new and unused condition within 90 days of shipment.

Built-to-order and private-label products qualify for a 50% refund if returned in new and unused condition within 90 days of shipment.

Custom products are quoted and built specifically to the requirements of the customer, which may include completely custom product designs or private-labeled versions of standard products for OEM customers. Custom products ordered are non-cancellable, non-returnable, and non-refundable.

EXPEDITED PRODUCTS CANCELLATION & RETURN POLICY:
All expedited CTC orders are non-cancellable and non-returnable.