SR3640-0771-7-48C
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The SR3640-0771-7-48C is a permanent magnet DC motor shaft with a 0.771-inch diameter and 7-spline design. Manufactured by Pacific Scientific as part of their Permanent Magnet DC Motors series, it is made of alloy steel and measures 3640 mm in length. It features a surface hardness of 58-62 HRC and operates within -20°C to +120°C.
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Product Description:
The SR3640-0771-7-48C PMDC Motor from Pacific Scientific is engineered for precision and durability. It offers consistent operation with a speed of 500 RPM and delivers a power output of 1/4 horsepower.
The SR3640-0771-7-48C PMDC motor is designed with a cylindrical frame and face mount configuration. The cylindrical frame enhances balance and compact design integration. Its 90 volt DC operation ensures controlled speed and efficiency. This motor draws a current of 2.4 amps and uses a permanent magnet (PM) field for reliable torque output and minimal maintenance. This PM design also eliminates brush arcing-related concerns in sensitive setups. It is built with a totally enclosed housing rated for industrial protection (IP rated) that ensures safety against environmental factors like dust and moisture. The motor includes a keyed shaft for secure coupling and improved load handling. This keyed shaft ensures consistent power transfer to the driven load. It utilizes ball bearings for reduced friction and long operating life. The bearings also provide reliable shaft support and reduce wear over time. The insulation system is rated as Class H that allows the motor to withstand higher thermal loads during operation. The DC motor features a natural convection cooling method that eliminates the need for external fans. Its grounding method follows the FF ground standard that supports electrical safety and system integration.
The SR3640-0771-7-48C PMDC motor is configured with four face mounting bolts for secure and stable installation. Installation of this motor must be performed by a qualified technician with specialized training in electric motor systems, including alignment, electrical wiring, thermal protection, and vibration isolation. Improper installation may result in equipment failure, electrical hazards or voiding of the warranty.
Frequently Asked Questions about SR3640-0771-7-48C:
Q: Does the SR3640-0771-7-48C motor maintain consistent output under continuous use?
A: Yes, the SR3640-0771-7-48C PMDC motor delivers a steady 500 RPM speed. Its 1/4 horsepower rating ensures consistent performance in precision applications.
Q: Can the SR3640-0771-7-48C handle thermal stress during prolonged operations?
A: Yes, the insulation is Class H rated and supports high thermal loads. This allows the motor to operate efficiently under elevated temperature conditions.
Q: Is the SR3640-0771-7-48C motor safe for environments exposed to dust or moisture?
A: Yes, it features a totally enclosed IP rated housing for industrial-grade protection. This enclosure shields internal components from environmental exposure.
Q: How does the SR3640-0771-7-48C motor manage torque output and reliability?
A: It uses a permanent magnet field that provides dependable torque delivery. The design also prevents brush arcing in sensitive electrical setups.
Q: Will the shaft of the SR3640-0771-7-48C motor remain stable under varying loads?
A: Yes, it includes a keyed shaft for secure coupling and load handling. This feature ensures constant torque transfer to the driven equipment.
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