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SHRUTI ENGINEERING
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TEFC Helical Gear Motor

TEFC Helical Gear Motor Specification

Features
High efficiency, compact design, robust construction

Rated Frequency
50 Hz

Horse Power
0.5 HP to 20 HP

Standard
IS/IEC standard

Starting Type
Direct On Line (DOL)

Noise Level
Low noise

Ambient Temperature
-20C to +50C

Cooling Method
Fan Cooled

Motor Type
Helical Gear Motor

Sealed Type
Sealed

Bearing Type
Heavy Duty Ball Bearings

Current Type
AC

Efficacy
IE2/IE3 Class Efficiency

Poles Number
2, 4, 6, 8

Voltage
415 V

Rated Voltage
415 V

Power Rating
As per model

Torque
High torque output

Product Type
Helical Gear Motor

Output Power
0.37 kW to 15 kW

Frequency (MHz)
50/60 Hz

Protect Feature
Totally Enclosed Fan Cooled (TEFC)

Phase
Three Phase

Speed
Up to 2880 RPM

Power
Variable

Color
Blue

Dimension (L*W*H)
Dependent on model

Weight
Varies with model

Shaft Diameter
Standard as per output power

Mounting Type
Foot / Flange Mounted

IP Rating
IP55

Housing Material
Cast Iron / Aluminium

Temperature Rise
Within permissible limits

Output Shaft Position
Horizontal

Gearbox Type
Helical

Lubrication
Synthetic oil-filled

Application
Industrial, Conveyors, Mixers, Cranes

Duty Cycle
S1 - Continuous Duty

Service Factor
1.0 - 1.5

Insulation Class
Class F

About TEFC Helical Gear Motor

Shruti Engineering manufactures and supplies Helical AC Brake Motors for Lifts, designed for safe, reliable, and efficient vertical motion applications. These motors combine robust helical gears with a fail-safe DC or electromagnetic braking system, ensuring instant stopping and smooth torque control for lift operations.

Ideal for passenger lifts, goods lifts, and material handling lifts, these motors are engineered for high starting torque, low vibration, and long service life, providing maximum safety and consistent performance in demanding environments.

Superior Gear Motor Efficiency and Construction

Built with an advanced helical gear design, this motor achieves high efficiency and delivers reliable, high-torque output while maintaining low noise and vibration. Its robust cast iron or aluminium housing ensures durability, supporting long operational life even in demanding environments. This makes it ideal for a wide range of industrial applications where consistent power and endurance are required.

Safe, Continuous Operation in Challenging Conditions

Equipped with Totally Enclosed Fan Cooled (TEFC) technology and IP55 sealing, the motor is effectively protected against dust, moisture, and other external elements. Class F insulation and a service factor range of 1.0-1.5 mean it can sustain continuous duty (S1) at varying loads while its synthetic oil-filled gearbox minimizes maintenance needs. Its design ensures reliable performance across a broad ambient temperature range (-20C to +50C).

Flexible Installation and Broad Application Range

Available in power ratings from 0.37 kW to 15 kW and supporting both foot and flange mounting, this helical gear motor is adaptable for various setups. Commonly used in conveyors, mixers, and cranes, it addresses the demands of industrial automation by matching different output requirements and space constraints. Its compact, efficient design contributes to easier integration and heightened productivity.

FAQ's of TEFC Helical Gear Motor:

Q: How do I install the TEFC Helical Gear Motor in my equipment?

A: The motor supports both foot and flange mounting, allowing flexible installation to suit different machines. Always ensure proper alignment and secure fitting using the manufacturer's instructions for the specific model to guarantee optimal performance and longevity.

Q: What are the maintenance requirements for this helical gear motor?

A: Thanks to its synthetic oil-filled gearbox and sealed (IP55) design, maintenance needs are minimal. Routine inspection of electrical connections, cooling fan, and gear oil is recommended at regular intervals, while periodic lubrication and cleaning may be necessary depending on usage intensity.

Q: When is it necessary to replace the lubricant in the gearbox?

A: The gearbox comes pre-filled with high-grade synthetic oil, which generally lasts much longer than conventional oils. However, it is advisable to replace the lubricant after a certain number of operating hours or if oil contamination is detected during routine checks-refer to the manufacturer's maintenance schedule for details.

Q: Where can the TEFC Helical Gear Motor be used?

A: This motor is engineered for industrial environments such as conveyors, mixers, cranes, and a variety of automation systems. Its robust construction, wide ambient temperature range, and IP55 sealing make it suitable for both indoor and outdoor applications where exposure to dust or moisture is possible.

Q: What are the benefits of selecting a motor with IE2/IE3 class efficiency?

A: Choosing IE2 or IE3 class efficiency motors significantly reduces energy consumption and operational costs due to enhanced electrical and mechanical performance. These motors are more environmentally friendly and also comply with international efficiency standards, offering long-term savings and sustainability.

Q: How does the TEFC design contribute to motor reliability?

A: The Totally Enclosed Fan Cooled (TEFC) construction protects the motor from external contaminants like dust or moisture, preventing premature wear and electrical failures. This ensures the motor operates safely and reliably, even in harsh industrial surroundings.

Q: What is the process for selecting the correct model for my application?

A: First, determine your required output power, torque, speed, and mounting configuration. Assess the duty cycle and environmental conditions. Refer to the available product range, matching your needs with the appropriate power rating, shaft diameter, and housing material. For complex requirements, consult with the supplier for detailed selection guidance.

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