Oriental Motor BLM5120-GFV Product Overview
The Oriental Motor BLM5120-GFV is a heavy-duty, high-efficiency 120 W (1/6 HP) brushless DC motor featuring a dedicated pinion shaft profile. Specifically engineered for variable speed industrial operations requiring substantial torque output in a space-saving configuration, this motor incorporates a 90 mm (3.54 in.) square flange frame size. It acts as a dedicated component-level motor designed for direct mechanical integration with high-torque parallel shaft or hollow shaft GFV series gearheads.
Key Technical Specifications
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Output Power: 120 W (1/6 HP)
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Motor Type: Brushless DC Motor
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Frame Size: 90 mm (3.54 in. sq.)
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Shaft Type: Pinion Shaft (compatible with GFV Series gearheads)
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Variable Speed Range: 80 to 4000 r/min (when paired with a compatible digital driver)
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Degree of Protection: IP20 / IP66 (Depending on installation and connection style)
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Time Rating: Continuous
NexBL Advanced High-Efficiency Architecture
The BLM5120-GFV is developed using Oriental Motor’s proprietary NexBL magnetic design structure. By significantly thinning the magnetic steel core sheets, the motor achieves an impressive reduction in primary iron and copper power losses by up to 26% compared to standard three-phase industrial induction options. This specialized construction yields a significantly lighter weight and smaller volume layout, facilitating lower thermal emissions and sustained torque distribution across restricted machine enclosures.
Gearhead Compatibility and Synchronous Control
The precision-ground pinion shaft configuration of the BLM5120-GFV permits tight mechanical interlocking with GFV series gearheads across a wide assortment of reduction ratios (5:1 up to 200:1). Its internal assembly utilizes three built-in hall-effect sensors that stream precise electrical feedback concerning rotor velocity and alignment back to the matched driver unit. This ensures rigid velocity regulation (within ±0.2%) and uniform speed-torque profiles under highly variable manufacturing load cycles.
