Article Catalog[Hidden]

YBK3 Series Explosion-Proof Three-Phase Asynchronous Motors for Underground Coal Mines: A Safe and Efficient Power Solution for Mining Operations

YBK3 Series Explosion-Proof Type for Underground Coal Minesthree-phase asynchronous motorSafe and Efficient Mining Power Solutions

In the coal mining sector, the YBK3 series explosion-proof three-phase asynchronous motors are characterized by theirOutstanding explosion-proof performance和Efficient Energy Utilizationbecoming an indispensable power unit in underground working environments.

YBK3 Series Explosion-proof Three-phase Asynchronous Motors for Underground Coal MinesSpecifically designed for underground coal mining conditionsHigh-efficiency Energy-saving Explosion-proof Power EquipmentThis series of motors adoptsAdvanced flameproof technology and optimized electromagnetic designpossessExplosion-proof safety, high efficiency, reliable operation, long service lifefeatures, strictly adhering toGB 3836.1-2010 "Explosive Atmospheres - Part 1: Equipment - General Requirements" 和GB 3836.2-2010 Explosive Atmospheres - Part 2: Equipment Protected by Flameproof Enclosures "d" Compliant with national standards, it serves as the ideal power solution for underground mining and excavation workfaces and fixed equipment drives.。

I. Product overview and technical characteristics

1. Product Positioning and Scope of Application

The YBK3 series explosion-proof three-phase asynchronous motors are specifically designed forHarsh working conditions in coal mine shaftsCustom-designed motorIts explosion-proof rating isExd I MbApplicable toUnderground coal mining workface containing gas or coal dustand other hazardous locations where explosive gas mixtures are present。

This series of motors in the YBK2Explosion-proof motorsDeveloped based on the foundation of current domestic advanced electromagnetic technology, it featuresHigh efficiency, energy-saving, long service life, excellent performance, low noise, and advanced explosion-proof designSignificant advantagesThe motorThe base frame is fabricated from steel plate welded together.The fan hood, junction box, and insulating structure have all been reinforced to withstand the harsh working conditions of underground coal mines.。

2. Core technical characteristics

The YBK3 series motors incorporate multiple innovative technologies and offer significant performance advantages:

Highly efficient explosion-proof designThe motor's explosion-proof structure is advanced. When an explosive mixture inside the motor detonates,The explosion-proof enclosure shall not be damaged or deformed in a manner that affects its explosion-proof performance.Internal explosion flames shall not cause external explosions through explosion-proof joints.
Outstanding efficiency performanceThe motor efficiency indicators meet the requirements.GB18613-2012 "Energy Efficiency Limit Values and Energy Efficiency Grades for Small and Medium-Sized Three-Phase Asynchronous Motors" Class 2 energy efficiency rating, andIE3 Efficiency Class per IEC 60034-30Quite so, with significant energy-saving effects.
Robust mechanical constructionThe motor housing achieves an IP rating ofIP55effectively prevents dust and moisture from entering the motor interior, with an insulation rating ofFThe stator winding has a large temperature rise margin and a long service life.

Technical parameters and performance indicators

The YBK3 series explosion-proof three-phase asynchronous motors offer comprehensive technical advantages. Below are their primary technical specifications:

parameter category	Technical specifications and performance indicators
Seat number range	H80 to H355
rated voltage	380V, 660V, 1140V, 380/660V, 660/1140V
Rated frequency	50Hz
protection class	IP55
Insulation class	F
Cooling method	IC411 (Fully Enclosed Self-Fan-Cooled)
work system	S1 (continuous duty)
Explosion-proof Marking	Exd I Mb
Installation form	IMB3, IMB5, IMB35

Description of performance characteristics

The YBK3 series motors areExplosion-proof safety, operational performance, and energy efficiencyExcellent performance in all areas:

high efficiency and energy savingMotor efficiency complies withLevel 2 Energy Efficiency in GB18613-2012 StandardRequirements, in line with international standardsIE3 Efficiency ClassSignificantly reduces operational energy consumption.
Low noise, low vibration: AdoptionOptimized design and precision manufacturing processesThe motor runs smoothly.The rotor and bearing system has been specially optimized.Vibration and noise levels are significantly lower than those of traditional explosion-proof motors.
Wide Voltage AdaptabilityAvailable in multiple voltage specifications, capable of operating atDifferent power grid environments in coal mine shaftsMaintain stable performance

III. Structural design and configuration

1. Motor body structure

The YBK3 Series Explosion-Proof Three-Phase Asynchronous Motor adoptsProfessional Explosion-Proof DesignEach component is carefully designed and optimized:

Explosion-proof enclosure design: Components of the explosion-proof enclosure for electric motors, such asBase, end cover, bearing inner cover, terminal box cover, terminal box baseAfter finishing, it must undergo1.5 MPa, duration of at least 10 secondsThe static pressure test shall be considered satisfactory if no water leakage occurs and the enclosure exhibits no permanent deformation or damage that affects its explosion-proof configuration.
Heat Dissipation Structure Optimization: AdoptionBase with parallel and vertical cooling finsFully enclosed self-ventilated structure,The fan is made of anti-static plastic material.Its low rotational inertia and minimal energy loss, coupled with a steel plate housing, ensure effective protection against foreign object intrusion while maintaining operational efficiency.Maximum ventilation volumeExcellent heat dissipation performance
Explosion-Proof Junction Box DesignThe junction box is located at the top of the motor. It features a large cavity for convenient wiring and includes a separate compartment for installing cable glands.The methods of incoming power supply include:Rubber-sheathed cable, armored cable, steel conduit wiring, flexible conduitInside the junction boxSix terminal blocks

2. Internal Core Components

The internal structure of the YBK3 series motors has been meticulously designed and optimized to ensure efficient and safe operation:

Stator structure：The stator windings are constructed using high-strength polyester-enameled round copper wire and undergo VPI vacuum pressure impregnation., forming a complete unit, the winding insulation exhibits excellent electrical, mechanical, moisture-proof properties, and thermal stability.
Rotor design：The rotor features a cast aluminum construction.The rotor has undergone dynamic balancing calibration, ensuring smooth motor operation with minimal vibration levels.。Stator and rotor laminations utilize high-permeability, low-loss premium electrical silicon steel sheets.Low motor losses, high efficiency
Bearing SystemFor bearingsYBK3 Low-Vibration, Low-Noise Bearings for Explosion-Proof MotorsFor frame numbers 132 and below, double-sealed bearings are used, with wave spring washers installed at the shaft extension end to apply moderate pressure against the bearings.For frame sizes 160 and above, an inner and outer cover structure is employed, with the bearing area axially secured by a retaining ring, effectively preventing axial movement of the motor rotor.The bearing assembly is installed withNote: Oil-drain device allows for adding bearing grease without shutting down the machine.

IV. Application areas and scenarios

The YBK3 series explosion-proof high-efficiency three-phase asynchronous motors are widely used in the coal mining industry due to their reliable explosion-proof performance and high energy efficiency:

1. Underground mining equipment

Mining equipment: forUnderground Mining Machinery for Coal Mine WorkingsThe drive is a dedicated motor specifically designed for these devices.
Fixed equipment：Suitable for use in coal mine shaftsFixed equipmentsuch as pumps, ventilation equipment, etc.
Transportation machinery：For use in coal mine shaftsConveyors, hoistsand equipment, providing reliable explosion-proof power

2. Applicable Environmental Conditions

The YBK3 series motors have clearly defined operating environment requirements:

environmental temperature: The ambient air temperature is at least-15°C, with the highest being35°C(Underground coal mine)
altitudeInstallation AltitudeNot exceeding 1000m
humidity conditionThe maximum relative humidity of ambient air shall not exceed95%(At a temperature of 25°C)
Power conditionsVoltage Fluctuations±5%(Short-term allowable fluctuation ±10%); frequency fluctuation±2%(Temporary fluctuations within ±5%)

V. Product Advantages and Values

1. Safety and Reliability

The YBK3 series explosion-proof three-phase asynchronous motors offer significant advantages in terms of safety:

Reliable explosion-proof performance: Strictly in accordance withNational Explosion-Proof StandardsDesigned and manufactured with advanced explosion-proof construction to ensure safe operation in explosive environments.。All bolts connecting the explosion-proof enclosure are fitted with spring washers.to prevent self-loosening, and the fastener's clamping force is greater than or equal to640 MPa
High-Quality Materials and Manufacturing: The key components are adoptedQuality materials和Precision Manufacturing ProcessEnsure long-term stable operation of the motor. Under rated operating conditions,The maximum surface temperature of the motor housing shall not exceed +150°C.The temperature outside the cable entry point shall not exceed the permissible temperature of the cable used.
Comprehensive safety protection：Can be provided according to user requirements.Stator Temperature Monitoring, Bearing Temperature Monitoring, Stator Moisture ProtectionProtective devices, available for H160 and larger motorsNon-stop refueling systemfurther enhance operational safety

2. High-efficiency energy-saving benefits

The YBK3 series motors offer significant economic benefits:

Reduced operating costs: High-efficiency design can beSignificant reduction in energy consumption, shortening the payback period. The rated power range of the motor is from0.75 kW to 315 kWto meet different power requirements
Optimizing energy use: The motor hasHigher power factor and efficiencyImprove grid quality and reduce investment in reactive power compensation equipment.
Low life cycle costsAlthough the initial investment may be slightly higher,Energy-saving benefits during operation and low maintenance costsDramatic reductions in total life cycle costs

3. Ease of maintenance

This series of motors has been designed with ease of maintenance in mind:

Maintenance-friendly structural designReasonable structural design facilitates routine inspections, maintenance, and repairs.The bearing area is equipped with an oil injection and drainage device, enabling grease replenishment without stopping the machine.
modular design: Modularized design of key components to reduce maintenance difficulties and spare parts inventory
Long life design: AdoptionClass F insulation systemRated for Class B temperature rise, with ample temperature rise margin, extended design life, and longer maintenance intervals.

VI. Installation and use guide

1. Installation environmental requirements

The YBK3 series explosion-proof three-phase asynchronous motors have specific requirements for the installation environment:

environmental conditions: Applicable toUnderground coal mines containing gas or coal dustEnvironment, especiallyMining Face
altitudeInstallation AltitudeNot exceeding 1000m(except for high-altitude motors)
mounting position: Electric motorThe main junction box is located on the top of the base and can rotate left or right.Meet users' requirements for different cable outlet configurations

2. Installation and commissioning

Proper installation and commissioning are critical to ensuring the safe operation of the motor:

basic requirement: RequiredStrong and level foundationThe motor is designed to withstand the weight of the motor and the mechanical stresses of operation.
transmission method：Permitted to adoptFlexible couplings, spur gears, and belt pulley drives
direction of rotationClockwise (default), counterclockwise (specify in order)
Startup Method：Direct-on-line starting, Y/Δ starting, reduced-voltage starting, variable-frequency startingMultiple startup methods available

VII. Services and technical support

1. Quality assurance systems

The production of YBK3 series explosion-proof three-phase asynchronous motors adheres to stringent quality standards:

standards compliance: The products strictly follow theGB 755-2008 "Rated Values and Performance of Rotating Electrical Machines"、GB 3836 Series Explosion-Proof Standardsand other relevant standard requirements
All certifications are complete: In addition to meeting national standards, it also complies withIEC 79-1, BS 4683, and EN 50018the provisions
Strict testing process: In the manufacturing process afterMultiple rigorous testsEnsure that the performance of the product meets the requirements of the standard

2. After-sales service commitments

The supplier provides customers with comprehensive after-sales service support:

Professional Technical Support: Provide professional consulting services for product selection and installation guidance
rapid responseIf customers encounter quality issues during use, the supplier will respond promptly.
Ongoing services: Provide customers with long-term technical support and service guarantee

The YBK3 Series Explosion-Proof Three-Phase Asynchronous Motors for Underground Coal Mines, with theirOutstanding explosion-proof performance、Highly efficient energy-saving features和Reliable operational performancehas become the industrial power solution for hazardous environments in coal mine shafts.Ideal Solution. ByContinuous technological innovation和Strict quality controlEnsure that every YBK3 series explosion-proof three-phase asynchronous motor can operate inHarsh coal mine environmentsubscribeSafe, stable and efficientThe power of the support.

Choosing the YBK3 series explosion-proof three-phase asynchronous motors for underground coal mines means choosingReliable security assurance和Complete technical servicesWe look forward to collaborating with you to advance safety production and energy-saving technological progress in the coal mining industry.

Tags：Explosion-proof motors

Simo motorsAfter-sales service policy: quality-oriented, the user first!

Sincere, intimate, and devoted, Simo will always be attentive.

preamble

Thank you for choosing Simo Motor products. As an enterprise with many years of experience in motor manufacturing, Simo Motor always insists on “Quality oriented, customer first”For the purpose, through the perfect service system, to ensure that every customer can enjoy efficient and professional after-sales service.

Our products have been awarded the honorary titles of “High Quality Products”, “China Famous Brand Products”, “National Inspection-free Products” and “China Well-known Trademark” for many times by provinces, cities and ministries. Famous Trademark" honorary title. In order to further enhance customer experience, we have formulated this after-sales service policy, aiming to provide customers with comprehensive, fast and satisfactory service guarantee.

I. Quality Assurance Commitments

Simo Motor implements comprehensive quality control in strict accordance with international standards, national standards, machinery industry standards and enterprise standards:

All products are listed in the “GB/T 19001-2008/ISO 9001:2008 quality management system”Production is carried out under effective operation to ensure that raw materials are strictly and perfectly inspected from the time they enter the factory to the time the products leave the factory.
Commitment that all products offered areNew and unusedand meets the quality requirements specified in the user's contract.
Adhere to the quality management system in accordance with “GB/T 19001-2000 idt ISO 9001:2000 standard”, and keep the quality management system running effectively.

Second, pre-sale service content

To help customers make the best choice, Simo Motors offers comprehensive pre-sales support:

Specialized technical consulting: Receive inquiries from customers about the business and technical aspects of motors, and answer all kinds of questions from customers.
Personalized Solutions: Objectively introduce the performance and characteristics of Simo's motor products and provide customized power solutions according to customer needs.
Comprehensive product information: Provide detailed quotations, drawings and motor samples and other information to help customers fully understand the characteristics of the product.

III. Ordering instructions

To ensure that the motor meets your needs, please specify the following parameters when ordering:

Basic parameters: Motor model, rated power, rated voltage, number of poles, rated frequency
installation environment: Protection class, cooling method, mounting method, rotation direction, environmental conditions, outlet location
Conditions of use: Altitude and working temperature of the installation site, type of load of the motor

if anyspecial requirementIf you have any questions about our products, please feel free to contact us, we need to sign another technical agreement before signing the order contract. You can also directly call our customer service hotline:15902923228 Access to professional guidance.

IV. Warranty Policy Details

1. Warranty period

Simo Motors offersNot more than two years from date of shipmentThe warranty service. Within this specified time period, if the motor is damaged or fails to function properly due to poor manufacturing quality, Simo Motors willRepairing or replacing parts or motors at no cost to the user。

2. Warranty coverage

Warranty covers product quality problems caused by our company, the company will replace the relevant parts or provide free repair.
Warranty services need to be based onProper use and normal maintenanceThe machine should be used correctly in accordance with the original operating manual and maintained, lubricated and cleaned in accordance with the original manufacturer's recommendations.

3. Non-warranty coverage

The following are not covered by the warranty:

由Non-designated maintenance staffDamage caused
Unauthorized modifications or self-disassembly
utilizationUnofficial spare parts or software
Failure to comply with operating manualsPrescribed guidelines for use, handling and maintenance
因natural disaster（Damage to products caused by wind, fire, flood, earthquake, etc.
Natural wear and tear under normal use

V. Post-warranty services

After the expiration of the warranty period, Simo motors provide continuous service support:

Reimbursable services for life: After the expiration of the warranty period, if the product malfunctions, our company implements lifelong paid service, the required wearing parts and spare parts toCost price supply。
(pay a) regular return visit: After-sales service staffFrom time to time, we will make return visits to the usersUnderstand the status of product usage and resolve potential issues in a timely manner.
Professional Repair ServiceThe company undertakes the repair of all kinds of motors, regardless of whether they are under warranty or not, and can provide professional overhaul and maintenance services.

VI. Service commitments and standards

Simo Motors is committed to “Sincerity, thoughtfulness, devotion, Simo will always be attentive.”The “Three Hearts” service concept ensures customer experience through standardized service processes:

Professional Services Team: The company has set up a specialized service team to provide installation guidance, troubleshooting and maintenance services to ensure the efficient operation of the products in the process of use.
Rapid Response Mechanism: The after-sales service team will respond promptly to customer feedback and quickly develop solutions.
Full track record: Detailed records are kept for all service sessions to ensure traceability of the service process and continuous improvement of service quality.

VII. User complaint channels

If you are not satisfied with the services provided by Simo Motors, you are welcome to provide feedback through the following channels:

direct marketingComplaints from Service Department and Headquarters
Call the customer service line:15902923228

We will take every piece of feedback seriously and continue to improve the quality of our services.

concluding remarks

Simo Motors will continue to provide customers withHigh quality products and professional after-sales serviceWe will solve your worries through a perfect service system. We firmly believe that only the success of the customer, the development of Simo. Choosing Simo motor is choosingQuality and Trust。

Simo motors--Service with heart, create the future together!

Simo motorsBrand advantage: excellent quality, leading the motor industry innovation and development

More than sixty years of professional precipitation, to create a benchmark brand in the motor industry

Brand heritage and strength

Simo Motors (former)Xi'an Electric Machinery Factory) was founded in 1955, as China's motor industryleading enterprisesThe company is one of the leading manufacturers of electric motors in the world, with more than sixty years of experience and expertise in the manufacturing of electric motors. The company has now developed intoIntegration of R&D, manufacturing and sales of motor productsOur products are widely used in many important fields such as electric power, coal, petroleum, mining, metallurgy, railroad, transportation, chemical industry, agriculture, water conservancy, aviation and so on.

Simo motors are recognized for theirDeep technical heritage和Continuous spirit of innovationThe company has established an excellent brand image in the motor industry, and its products are exported to more than 40 countries and regions such as North America, Europe, the Middle East, Southeast Asia, Africa, Australia, etc., which are trusted and highly praised by users all over the world.

Core Technology Advantage

1. Leading research and development innovation capabilities

Simo Electric always takes technological innovation as the core driving force of enterprise development:

Professional R&D Team: Has a team ofSenior engineers and technologistsThe R&D team, which is composed of a team of researchers, focuses on the cutting-edge research and application development of motor technology.
Continuous technical investment: invest an annual percentage of sales5%-7% As R&D funding to ensure continuous technological innovation and product upgrades
Patented Technology Achievements: Cumulative access toMore than a hundred national patentsA number of products have won national and provincial awards for scientific and technological progress.
Industry-University-Research Cooperation: Establishing strategic cooperative relationships with many well-known universities and scientific research institutions to jointly promote the development of motor technology.

2. Excellent product quality system

Simo Motors has established a comprehensive quality assurance system to ensure that every motor meets the highest quality standards:

International Standard Certification: Fully adoptedISO9001 Quality Management System Certification、ISO14001 Environmental Management System Certification和OHSAS18001 Occupational Health and Safety Management System Certification
Strict quality control: Implementation from raw material procurement to finished product shipment68 strict quality control proceduresEnsure zero defects in products
Advanced testing equipment: Equipped with international advancedMotor Performance Test System、Vibration Analyzer、Noise test equipmentetc., comprehensive testing of various performance indicators of the motor
Continuous Quality Improvement: Establish a perfect quality feedback mechanism, continuously optimize the production process, and improve product quality and stability.

Product Advantage Characteristics

1. Energy efficient technologies

Simo Motors actively responds to the national energy-saving and emission reduction policy and launches a series of energy-efficient products:

High Efficiency Motor Series: To meet the nationalGB18613-2020 standardEnergy efficiency rating, some products reachIE4, IE5 ultra-high efficiency level
Application of energy-saving technologies: AdoptionHigh Quality Silicon Steel Sheet、Low loss bearings、High efficiency cooling systemetc., significantly reducing operational energy consumption
Intelligent control technology: Supporting the advancedFrequency control systemThe optimal control of the motor operating state is realized, and the energy-saving effect is improved 15%-30%

2. Excellent performance

Simo Motor products are characterized byHigh reliability, long service life, low maintenance costsAnd famous:

Powerful power output: Optimized electromagnetic design solutions to ensure that the motorHigh starting torque and high overload capacity
Low vibration and low noise: AdoptionDynamic balancing process和noise reduction technologyThe vibration and noise values are better than the national standards.
Highly adaptable to the environmentProduct design takes into account all kinds of severe working conditions, withResistant to high temperature, humidity and corrosionand other properties
Long life design: The key components are made of special treatment and high quality materials, and are designed to last up to100,000 hoursthat amount or more

3. Complete product range

Simo Motors offers a comprehensive range of products to meet the needs of different customers:

High voltage motorsrange: Voltage level coverage6kV, 10kVMultiple ratings, power range200-10000kW
Low Voltage Motor Series:: IncludesYX3, YE3, YE4and other series, power range0.55-1000kW
Explosion-proof motorsrange: ByNational explosion-proof certificationFor use in flammable and explosive hazardous areas
Specialized motor series: Developed for specific industry needsSpecialized for coal mine, metallurgy, and shipsSpecialty motors
Non-standard customization capability: Strong customization and development capability, according to the customer's needsPersonalized Solutions

Service System Advantage

Simo Motor has established a comprehensive customer service system:

pre-sales technical support: Provide professional selection guidance, program design and product demonstration
Intimate service during the sale: Strict contractual performance, ensuring on-time delivery and providing installation guidance
Comprehensive after-sales protection：24 months warranty，7×24 hours technical support，48-hour on-site servicepromise
Lifetime maintenance support: Establish customer equipment files and provide full life-cycle service support

Industry Application Advantages

Simo motors have accumulated a wealth of application experience in a number of key industries:

Power industry: Provide supporting motors for thermal power, hydropower and nuclear power, with stable and reliable operation.
coal industry: Explosion-proof motor products passed the coal mine safety certification, safety recognized by the industry
petrochemicalsCorrosion-resistant, explosion-proof special motors to adapt to the harsh working conditions and ensure safe production.
Metallurgical industry: High overload capacity, high temperature resistant motors to meet the special needs of metallurgical equipment
Transportation: Specialized motor solutions for railroads, rail transit, ports, etc.

Brand Honors and Certifications

Simo motors have won many honors for their excellent product quality and good market performance:

China Famous Brand Products、National Inspection-free Products、China Famous Trademarks
High-tech enterprises、Provincial Enterprise Technology Center
A number of products won the provincial and ministerial-level scientific and technological progress awards
Contract and Trustworthy Enterprise、Quality and reputation AAA grade enterprise

concluding remarks

Choosing Simo motors is choosingReliable quality assurance、Leading Technical Strength和Complete service supportSimo Motors is a leading manufacturer of electric motors in China. With more than sixty years of professional accumulation, Simo motors have a profound technical background and rich industry experience, and are able to provide customers in various industries with the best quality motor products and perfect power solutions.

In the future, Simo Motor will continue to uphold the "Quality-oriented, innovation-driven, customer first"business philosophy, and constantly improve the level of product technology and quality level, to create greater value for customers, and make greater contributions to the development of China's motor industry.

Simo motors - strong power, excellent energy efficiency and perfect service!