Volsun Industrial Motors Electrical Motor Shaft Voltage Shaft Grounding Ring

Product Overview

Volsun VS-RD Series Shaft Grounding Rings

Description
VS-RD series shaft grounding rings are composed of conductive fibers and metal bodies and are used for electric corrosion protection of variable frequency motors and their coupling equipment. VS-RD series conductive rings can reduce the potential induction between the bearing and the grounded chassis, effectively solve the phenomenon of electrical corrosion caused by shaft current, and protect the bearing from damage

Features

* Low resistance

* High temperature resistance

* Durable and wear-resistant

* Unique structure

* Environmentally friendly and non-toxic

* Size can be customized

Support customization, ODM & OEM available

Click to contact us for free samples

VR

PRODUCT SPECIFICATIONS

Item	Test Data	Test Standard
Static resistance	＜1Ω	/
Dynamic resistance	≤10Ω	/
Fiber pull-off force	≥100·30s	/
Salt spray test	No fiber damage	/
Durability test	A3	/
High temperature test	≥120h	/
Low temperature test	≥15times	/

Structure

Dimensions

OD mm	Id mm	Height mm	Applicable shaft diameter mm
30	15	7	10
38	19	7	13
38	22	7	18
40	24	7	18
47	31	7	25
49	32	7	26
50	30	7	24
50	31	7	25
53	30	7	25
53	36	7	30
55	39	7	35
57	36	7	30
60	44	7	38
62	41	7	35
70	46	7	40
72	49	7	43
75	58	7	52
78	58	7	52

Note：Special size and packing are available as request

Application Pictures

Company Show

Suzhou Volsun Electronics Technology Co., Ltd. was founded in 2006. We keep focusing on the R&D, production and sales in insulation, sealing & protection solutions
Volsun has a modern quality management system, which has passed a series of quality system certification such as IATF16949, ISO9001 etc
Up to now, Volsun cooperated with customers from 88 countries, we offer suitable sealing, waterproof solutions for some well-know enterprises in communication, Automobile, Power industry etc

Certifications

Abroad Exhibition

Las Vagas AAPEX

Moscow Expo

Hannover Messe

Packaging and Shipping

FAQ

Q 1. How long is the payment term
A: We accept T/T 50% deposit and 50% balance against B/L or L/C copy at sight, also accept Western Union, VISA and Paypal

Q 2. What is the normal lead time for product orders
A: The average lead time for prototype/first piece is 7~10 days, if tooling is involved, the lead time for production tooling is 10 days, and the average production time after sample approval is 2-3 weeks

Q 3. What is your standard packaging
A: All goods will be packed in cartons and loaded on pallets. Special packing methods are acceptable when needed

Q 4. Can you tell us the monthly production capacity of your products
A: It depends on the model, we produce more than 1500 tons of rubber materials per month

Q 5. What kind of certificates do you have
A1: We have ISO9001:2015, IATF16949:2016, ISO14001:2015, ISO45001:2018 certified
A2: We have various rubber compounds approved by UL, ROHS and REACH

Q6: How to check the quality of bulk order
A1: We provide pre-production samples to all customers before mass production if needed
A3: We accept third-party inspection, such as SGS, TUV, INTERTEK, BV, etc

Q 7: Can you provide customized service
A: Yes, we accept customization and can produce products in different sizes, packaging, colors according to requirements

Volsun Industrial Motors Electrical Motor Shaft Voltage Shaft Grounding Rin

Volsun presents an advanced motor shaft grounding ring designed for reliable protection and extended service life in industrial environments. The Volsun motor shaft grounding ring is engineered to provide robust electrical motor shaft protection while maintaining optimal performance for a wide range of machinery. This motor shaft grounding ring integrates innovative materials and precision manufacturing to address shaft voltage and bearing currents, delivering a cost-effective solution for industrial motor voltage control. The motor shaft grounding ring is ideal for OEMs, maintenance teams, and plant engineers focused on minimizing unplanned downtime and protecting critical rotating equipment through proactive electrical motor shaft protection

Features and Design

The Volsun motor shaft grounding ring features a compact, easy-to-install housing that enables rapid deployment on multiple shaft diameters. This motor shaft grounding ring uses a low-impedance conductive path to divert damaging shaft currents away from bearings and through a controlled grounding interface. The electrical motor shaft protection provided by the motor shaft grounding ring reduces bearing damage, vibration, and premature failure. Built from corrosion-resistant materials, the Volsun motor shaft grounding ring withstands harsh industrial conditions and maintains consistent industrial motor voltage control. The motor shaft grounding ring’s brush assembly and conductive elements are optimized for long life and minimal maintenance compared to traditional insulating or shielding approaches. By focusing on electrical motor shaft protection, the motor shaft grounding ring improves equipment reliability and reduces long-term maintenance costs

Applications

The Volsun motor shaft grounding ring is applicable across a wide spectrum of industrial machinery including pumps, compressors, fans, generators, and variable speed drive systems. Use the motor shaft grounding ring wherever shaft voltage and bearing current issues threaten operational integrity. The electrical motor shaft protection offered by the motor shaft grounding ring is especially valuable in VFD-driven motors, where shaft voltages induced by variable frequency drives can lead to bearing currents and electrical discharge machining, accelerating wear. The motor shaft grounding ring provides a direct path to ground, ensuring industrial motor voltage control and preventing stray currents from damaging bearings. In heavy industries such as petrochemical, mining, manufacturing, and utilities, the motor shaft grounding ring is a proven measure for enhancing equipment longevity

Innovations and Technical Advantages

Volsun’s motor shaft grounding ring incorporates several technical advances that differentiate it from conventional grounding solutions. The motor shaft grounding ring employs a high-conductivity brush system combined with low-resistance contact geometry to ensure continuous electrical motor shaft protection even under misalignment and variable axial movement. The motor shaft grounding ring uses advanced materials selected for consistent conductivity and wear resistance, delivering extended operational life and reduced maintenance intervals. By providing superior industrial motor voltage control, the motor shaft grounding ring prevents discharge-related damage without imposing significant torques or drag on the shaft. The design of the motor shaft grounding ring allows for simple retrofitting on existing equipment and seamless integration during new builds. The electrical motor shaft protection strategy realized by the motor shaft grounding ring reduces the risk of catastrophic bearing failure, lowering repair costs and improving overall plant efficiency

Performance and Reliability

Field tests confirm that the Volsun motor shaft grounding ring reduces electrical discharge events and bearing current peaks across a wide range of operating conditions. This motor shaft grounding ring demonstrates consistent low-resistance grounding paths that preserve bearing life and maintain mechanical balance. The electrical motor shaft protection function of the motor shaft grounding ring is validated with industry-standard diagnostic techniques, showing reduced noise, reduced vibration, and extended bearing lifetimes. The motor shaft grounding ring’s resilience against environmental contaminants and mechanical wear ensures reliable industrial motor voltage control over years of service. The robust materials and engineered brush configuration of the motor shaft grounding ring minimize replacement frequency and simplify condition-based maintenance programs

Installation and Maintenance

Installation of the Volsun motor shaft grounding ring is straightforward. The motor shaft grounding ring is available in multiple sizes and mounting options to suit common shaft dimensions and housing arrangements. Technicians can fit the motor shaft grounding ring with minimal downtime, reusing existing seals and components where appropriate. Regular inspection of the motor shaft grounding ring’s brush elements and contact surfaces forms part of a preventive maintenance routine to ensure ongoing electrical motor shaft protection. Volsun provides guidance on establishing maintenance intervals based on operational hours and environmental factors to optimize the service life of the motor shaft grounding ring. Proper installation and periodic maintenance of the motor shaft grounding ring maximize industrial motor voltage control benefits and protect rotating equipment investments

Compliance and Standards

The Volsun motor shaft grounding ring is manufactured to meet applicable industrial standards for electrical safety and mechanical integrity. The motor shaft grounding ring fulfills requirements for electrical motor shaft protection in critical applications, ensuring adherence to best practices for mitigating bearing current damage. The motor shaft grounding ring’s design and material selection reflect Volsun’s commitment to delivering solutions that support industrial motor voltage control and long-term reliability. When specifying a motor shaft grounding ring for new equipment or retrofit projects, engineers can rely on Volsun to provide technical data and support that align with regulatory and operational expectations for electrical motor shaft protection

Why Choose Volsun

Choosing Volsun’s motor shaft grounding ring means investing in a proven solution for electrical motor shaft protection and industrial motor voltage control. The Volsun motor shaft grounding ring combines industry-leading materials, precision engineering, and practical design to prevent shaft-induced bearing failures. For plants seeking to reduce downtime, extend equipment life, and lower maintenance costs, the motor shaft grounding ring is a high-impact component within a comprehensive reliability strategy. Volsun supports customers with technical documentation, installation assistance, and after-sales support to ensure the motor shaft grounding ring performs as intended in diverse operating environments. The electrical motor shaft protection delivered by the motor shaft grounding ring represents a strategic improvement for rotating machinery health and operational resilience

Summary

Volsun’s motor shaft grounding ring provides targeted electrical motor shaft protection and effective industrial motor voltage control for a variety of rotating equipment. The motor shaft grounding ring’s durable construction, innovative brush technology, and easy installation make it an essential component for addressing shaft voltage and bearing current issues. By specifying the motor shaft grounding ring, facilities can achieve measurable improvements in reliability, reduced maintenance interventions, and extended bearing lifetimes. Trust Volsun to deliver a motor shaft grounding ring engineered for performance, durability, and dependable electrical motor shaft protection