8MSA4L.E0-31
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The 8MSA4L.E0-31 is a steel synchronous motor component with a module of 4 and a helix angle of 31°. Manufactured by B & R Automation and part of the 8MS Three Phase Synchronous Motors series, it weighs 4.2 kg and features a nitride surface treatment. The component has 31 teeth and complies with DIN 3960 standards.
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Product Description:
The component 8MSA4L.E0-31 belongs to B & R Automation popular 8MS Three Phase Synchronous Motors range which integrates gear ring design. It includes 31 number of teeth to ensure uniform load distribution, preventing a localized wear on each tooth. The module’s face width of 40 mm provides a broad contact surface that enhances durability under cyclic forces. Outside diameter 132 mm matches standardized mounting envelopes for simplifying mechanical alignment in gear assemblies.
Surface treatment with Nitrides creates a hardened case, thus enhances wear resistance in abrasive conditions. It also features a Pilot bore type that offers a centering feature and ensures concentric installation on shafts. This Nitride layer thickness up to 0.3 mm delivers a tough wear zone which boosts service intervals. Also, its surface hardness up to 1400 HV creates a resilient outer shell, resisting a surface indentation and abrasion. A pitch diameter 124 mm defines the effective rolling circle to maintain precise belt engagement. The unavailability of keyway removes stress concentrations and prolongs life in torsional loading. Weighing 4.2 kg, the device balances robust construction to support stability without excessive mass.
Standard DIN 3960 specifies gear accuracy, delivering consistent performance across production batches. Module 4 sets the tooth size which aligns with common synchronous belts for straightforward sourcing. Helix angle 31° introduces angled tooth engagement and that reduces noise and vibration during rotation. Its steel material construction provides high tensile strength which withstands torque transmission in heavy‑duty applications. Model number 8MSA4L.E0-31 features a 6‑pole design for precise synchronous operation, accepts a 3 × 400 … 480 VAC ± 10 % mains input via its servo drive. This also utilizes IEC 60034‑1 Class F insulation for higher thermal endurance and employs self‑cooling (IC 06) per IEC 60034‑6. Thus, it eliminates the need for external fans while maintaining consistent operating temperatures.
Frequently Asked Questions about 8MSA4L.E0-31:
Q: What are the key design features of part number 8MSA4L.E0-31?
A: It integrates a gear ring design, 31 teeth, 40 mm face width and DIN 3960 accuracy. These features ensure uniform load distribution, alignment and high durability under cyclic forces.
Q: How does the nitride surface treatment enhance performance for 8MSA4L.E0-31?
A: This nitride surface treatment on a unit forms a hardened case and wear-resistant layer up to 0.3 mm thick. This treatment extends service life by resisting abrasion and surface indentation.
Q: What mounting considerations should I follow for 8MSA4L.E0-31 motor?
A: The mounting ensures pilot bore alignment and standardized 132 mm outside diameter fit before installation. Use keyway-free assembly to reduce stress concentrations and strictly follow DIN 3960 guidelines precisely.
Q: Which applications benefit most from 8MSA4L.E0-31’s helix angle design?
A: Applications require smooth, quiet operation benefit from the module’s 31° helix angle. The angled tooth engagement reduces vibration and noise, making it ideal for precision, heavy‑duty machinery and conveyors.
Q: How does the weight specification influence handling of 8MSA4L.E0-31?
A: With a weight of 4.2 kg, it balances robustness and manageability. This mass supports stable gear engagement under torque while remaining light enough for easy installation and handling.
