BH-826-A-43-B3
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The BH-826-A-43-B3 motor, part of Kollmorgen's Goldline B and BH Series, delivers remarkable performance with a continuous stall torque of 93.5 N-m. It boasts a rated power of 11,400 Watts at 480 Vac and a maximum speed of 1,500 RPM. With a rotor inertia of 0.0126 kg-m², it ensures excellent torque control.
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Product Description:
The Kollmorgen's BH-826-A-43-B3 is a tiny servo motor. This variant has a flange-mounted IM B5-style design. It connects to the electrical system via a terminal box. It is part of the trusted Goldline B and BH series The basic motor weighs precisely 16Kg. With 14.4 Nm of rated torque it delivers powerful performance. Its stationary torque is 15.8 Nm under static load.
The Kollmorgen BH-826-A-43-B3 motor rated speed is 2500 RPM for continuous motion tasks. This servo motor's input voltage ranges from 400 to 480 V AC. Standard operation produces a rated current of 7.2 A. In stationary mode it draws 8.1 A current. The voltage constant is precisely rated as 118 mV per RPM. Flange tolerances are classified as class N according to DIN 42955 regulations. This motor operates safely under IP65 protection. The vibration class is N according to DIN ISO 2373 norms. It can withstand axial and radial loads adequately. The motor's flange type is suited for both vertical and horizontal installations. It is supported by a ball bearing life of more than 20,000 hours. It provides precise positioning using a 2-pole hollow-shaft resolver. The insulation class is F according to DIN 57530 compliance.
The Kollmorgen BH-826-A-43-B3 servo motor is specified with a built-in brake. The brake provides 8 Nm of holding torque during static positioning. It works at 24 VDC and consumes 22 W. The braking weight adds about 2.4 kg to the unit. It combines thermal durability and good precision. It is suitable for industrial applications needing regulated motion and torque. The Kollmorgen servo motor's resolver integration ensures accurate feedback. It is designed for sturdy and safe machine integration. Its smooth functioning improves servo system stability.
Frequently Asked Questions about BH-826-A-43-B3:
Q: Why does BH-826-A-43-B3 use a 2-pole resolver instead of an encoder?
A: The 2-pole resolver offers robust position feedback in noisy environments. It enhances motor reliability in closed-loop servo control systems.
Q: What advantage does the IP64 shaft bushing provide in BH-826-A-43-B3?
A: It protects the internal shaft seal from dust ingress and water spray. This ensures longer shaft life during horizontal or vertical installation.
Q: Why is the IM B5 flange mounting configuration used in this servo motor?
A: IM B5 provides strong and aligned mechanical coupling. It simplifies mounting on industrial machinery frames and housings.
Q: How does the holding brake in BH-826-A-43-B3 assist during system shutdowns?
A: The 8 Nm holding brake prevents shaft movement when power is off. It is essential for vertical load holding and emergency stops.
Q: What is the benefit of having a torque constant of 1.95 Nm/A in BH-826-A-43-B3?
A: This value ensures high torque output with lower current draw. It improves thermal efficiency and supports accurate torque control.
