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Built for demanding pinch roll and heavy industrial drive applications, the Variable Speed Electric Motor for Pinch Roll DC provides stable speed regulation, controlled torque output, and reliable power transmission across a wide operating range. Its shunt wound construction and brush commutation design support precise synchronization in rolling mills, coilers, extruders, mining equipment, and other material processing machinery. With power ratings from 1.0 kW to 800 kW and speeds ranging from 100 to 3000 rpm, the motor offers flexible configuration options for different production lines and operating requirements.
Power Range: 1.0kw - 800 kw
Speed Control: 100-3000rpm
Construction: Shunt Wound, Brush Commutation
Compliance: GB755 & IEC 600-34 standard
The Variable Speed Electric Motor For Pinch rollDC is meticulously engineered to serve as the beating heart of heavy industrial machinery. Upon inspecting the robust cast-iron frame, operators immediately notice the exceptional craftsmanship designed to withstand relentless mechanical vibrations and intense operational stress. The subtle, consistent hum of the brush commutation system during operation signifies a smooth, uninterrupted power delivery, which is absolutely crucial for maintaining the precise tension required in pinch rolls, coilers, and extrusion applications. Coated with a premium industrial-grade anti-corrosive finish, the exterior feels rugged and resilient to the touch, effectively sealing the internal precision copper windings from airborne metallic dust, corrosive moisture, and extreme ambient temperatures. By integrating high-grade silicon steel sheets and dynamically balanced armatures, this motor efficiently translates electrical input into formidable mechanical torque without excessive thermal buildup or energy waste. Plant managers seeking to eradicate unpredictable downtime will find that the superior thermal stability and low-decibel acoustic profile of this motor create a safer, more predictable manufacturing environment. The seamless integration of this direct current motor into existing production lines drastically reduces mechanical wear on adjacent mechanical components, ensuring that your entire facility operates with rhythmic, unyielding efficiency shift after shift.
| Place of Origin | Hangzhou, China |
|---|---|
| Brand Name | Hengli Electric |
| Model Number | Z4 Usage:driving machine |
| Type | heavy industry motor |
| Construction | Shunt Wound |
| Commutation | Brush |
| Rating | 1.0kw - 800 kw |
| Rate speed | 100-3000rpm |
| Protection rating | IP21S, IP23, IP44, IP54 |
| Cooling method | IC06, IC17, IC37, IC86W |
| Mounting | IMB3, IMB35, IMV1, IMV15 |
| Frame size | 132mm~1000mm |
| Field Voltage | 180V, 220V, 310V, 330V |
| Armature voltage | 400V, 440, 660V, 700V |
| Insulation class | F, H |
| Working Duty | SI |
| Certification | CCC, ISO,CE |
| Standard | GB755 & IEC 600-34 |
| Encoder | according to customers requirment. |
| Special Requirement | If the humid-tropical type requied , please mark “TH ”behind the original type number. |
| Applications (Part 1) | Hot /Cold Rolling Mill; Finishing mill;Coiler;Uncoiler; Flying shear;Cool bed, Pinch roll; |
| Applications (Part 2) | Internal mixer；Open mill；Extruder；Calender；Granulator; Auxiliary equip. |
| Applications (Part 3) | Ball mill；Rotary kiln；Conveying ；Hoist；Mining equip；Crusher； Roller press. |
| Applications (Part 4) | Extruder；Molding machine； Cabling machine；Wire drawing machine etc. |
When sourcing heavy-duty drive systems, industrial buyers demand equipment that goes beyond basic functionality. This variable speed motor is engineered with advanced shunt wound construction, offering exceptional speed regulation and torque control. It is purpose-built to eliminate the operational bottlenecks associated with legacy driving machines.
By focusing on structural integrity and electrical precision, this motor delivers a suite of advantages that directly impact your bottom line:
Precision Commutation: The optimized brush design ensures stable current transfer, significantly reducing sparking and extending the lifespan of the commutator under heavy loads.
Versatile Voltage Configurations: With multiple field voltages (180V to 330V) and armature voltages (400V to 700V), it adapts effortlessly to diverse electrical infrastructures.
Superior Thermal Management: Multiple cooling methods (IC06, IC17, IC37, IC86W) actively dissipate heat during continuous operation, preventing thermal degradation of internal components.
Broad Application Spectrum: From cabling machines to rotary kilns, the robust design accommodates the high-stress environments of auxiliary and primary processing equipment.
Achieving optimal synchronization in heavy machinery requires a motor that can deliver unwavering torque across a broad spectrum of speeds. This driving machine offers an expansive power rating from 1.0kw all the way up to 800 kw, ensuring that whether you are operating a delicate wire drawing machine or a massive crusher, you have the exact mechanical force required.
The performance parameters are meticulously calibrated for demanding industrial tasks:
Ultra-Wide Speed Range: Operating efficiently between 100 and 3000rpm, this motor provides the low-speed, high-torque characteristics essential for pinch rolls, preventing material slippage and ensuring uniform tension.
Multi-Tier Voltage Matching: The availability of varied armature and field voltages allows electrical engineers to fine-tune the motor's response curve, matching the precise load requirements of flying shears and cooling beds.
Dynamic Response: The shunt wound architecture guarantees rapid acceleration and deceleration, critical for machinery that requires frequent start-stop cycles without compromising mechanical stability.
Industrial processing plants are notoriously unforgiving environments. Airborne particulate matter, extreme heat, and corrosive humidity can rapidly degrade standard equipment. This motor is fortified with multiple protection ratings, up to IP54, creating an impenetrable barrier against dust ingress and water spray, ensuring the internal mechanics remain pristine.
Quality control and environmental adaptability are embedded into every layer of its design:
Advanced Insulation: Utilizing Class F and H insulation, the motor safely withstands severe internal temperature spikes, preventing short circuits during peak load periods.
Tropical Climate Readiness: For facilities located in regions with high moisture and temperature, the specialized "TH" (humid-tropical) variant offers enhanced anti-condensation and anti-fungal treatments.
Global Compliance: Manufactured under strict ISO quality management systems and certified by CE and CCC, ensuring it meets the rigorous safety and performance benchmarks of GB755 & IEC 600-34 standards.
Modern industrial facilities require equipment that not only performs mechanically but also integrates seamlessly into sophisticated digital control ecosystems. This motor is purpose-built for the unique challenges of metallurgy, mining, and polymer processing, perfectly suited for hot/cold rolling mills, finishing mills, and internal mixers.
Its system compatibility ensures a future-proof investment for your facility:
Automation Integration: Easily interfaces with modern Programmable Logic Controllers (PLCs) and Variable Frequency Drives (VFDs), allowing for real-time monitoring and automated speed adjustments.
Seamless Retrofitting: Designed as an ideal drop-in replacement for upgrading legacy international drive systems, minimizing structural modifications and accelerating the modernization of older production lines.
Process-Specific Tuning: Whether driving an extruder, a calender, or a granulator, the motor's output can be precisely tailored to match the rheological properties of the materials being processed.
Recognizing that no two industrial plants are architecturally identical, we offer extensive customization capabilities to resolve complex spatial and mechanical integration challenges. Procurement specialists dealing with unique legacy equipment will find our flexible manufacturing approach invaluable.
Our customization framework is designed to adapt to your specific infrastructure:
Comprehensive Frame Sizes: Available in frame sizes ranging from 132mm to 1000mm, ensuring a perfect physical fit whether space is abundant or severely restricted.
Versatile Mounting Options: Supporting multiple mounting configurations including IMB3, IMB35, IMV1, and IMV15, allowing for horizontal, vertical, or flange-mounted installations.
Tailored Feedback Systems: Encoders are integrated entirely according to customer requirements, enabling the exact level of positional and velocity feedback necessary for your specific closed-loop control system.
In the heavy industry sector, energy consumption constitutes a massive portion of total operating expenses. This variable speed motor is engineered with advanced electromagnetic optimization to maximize power transmission efficiency, directly translating electrical input into usable mechanical work with minimal loss.
The operational benefits extend far beyond simple energy savings:
Continuous Duty Reliability: Rated for SI working duty, this motor is built to run continuously under full load without requiring cool-down periods, maximizing your facility's daily output.
Reduced Peak Demand: The smooth acceleration profile mitigates massive inrush currents during startup, reducing stress on your electrical grid and potentially lowering peak demand utility charges.
Lower Total Cost of Ownership: By combining high efficiency with extended component longevity, the motor significantly reduces both energy bills and routine maintenance expenditures over its operational lifespan.
Procuring heavy industrial equipment is a complex logistical undertaking that requires expert guidance at every phase. As a dedicated manufacturer, we eliminate the friction from the purchasing process by providing comprehensive, end-to-end technical support that safeguards your investment.
Our support infrastructure is built to ensure zero guesswork for your engineering teams:
Pre-Sales Engineering: Our technical team collaborates directly with your facility managers to conduct thorough load analyses, ensuring the selected motor perfectly matches your mechanical requirements.
Installation & Foundation Planning: We provide detailed dimension drawings and foundation layout blueprints, streamlining the site preparation and mechanical installation process.
Lifecycle Maintenance: From initial commissioning and on-site troubleshooting to the rapid dispatch of replacement brushes and components, our after-sales network ensures your production line remains active.
Selecting the right supplier for heavy industrial drives is as critical as the equipment itself. We bring decades of specialized manufacturing expertise to the table, focusing exclusively on the rigorous demands of sectors like metallurgy, mining, and heavy material handling. Our production facilities are equipped with state-of-the-art testing laboratories where every motor undergoes punishing load simulations before dispatch.
Partnering with us means securing a reliable node in your supply chain. We maintain robust inventories of critical components and raw materials, insulating our clients from global supply disruptions. Furthermore, our direct-from-manufacturer model ensures that you receive uncompromised quality, transparent communication, and highly competitive pricing, empowering your procurement team to optimize capital expenditures without sacrificing performance or safety.
Shunt wound DC motors are renowned for their excellent speed regulation. In pinch roll applications, maintaining a constant speed regardless of load variations is critical to prevent the material from buckling or stretching. The shunt wound design ensures that as the metal passes through the rolls and the mechanical load fluctuates, the motor automatically maintains a stable RPM, ensuring uniform material processing and preventing costly production defects.
Absolutely. While it is a DC motor, it is fully compatible with modern digital DC drives and Programmable Logic Controllers (PLCs). By specifying your required encoder during the ordering process, the motor can provide precise, real-time feedback to your automation systems, allowing for sophisticated closed-loop control, automated speed profiling, and seamless synchronization with other machinery on the line.
If your facility is located in a region with consistently high temperatures and humidity, or if the motor will be exposed to significant moisture, you should opt for the TH variant. During the procurement process, simply instruct your purchasing manager to append "TH" to the end of the standard model number (e.g., Z4-XXX-TH). This triggers our manufacturing team to apply specialized anti-condensation varnishes and fungus-resistant treatments to the internal windings.
While our brush systems are designed for extended longevity, routine inspection is vital for heavy industry applications. We recommend a visual inspection of the brushes and commutator every 3 to 6 months, depending on the operational duty cycle and environmental dust levels. Brushes should be replaced when they wear down to the manufacturer's specified minimum length to prevent commutator scoring and ensure uninterrupted electrical transfer.
For environments with heavy airborne particulate matter, such as ball mills or crushers, we highly recommend selecting a closed-loop cooling method like IC37 or IC86W. These configurations prevent the external contaminated air from circulating through the internal windings of the motor. Instead, they utilize external blowers and heat exchangers to dissipate heat safely, drastically reducing the risk of internal dust accumulation and subsequent insulation failure.