SF-A4.0091.030-14.050

MPN: 1070000000

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The SF-A4.0091.030-14.050 servo motor offers a locked-rotor torque of 10 Nm, a rated speed of 3000 min⁻¹, a torque constant of 1.42 Nm/A, and a mass of 13 kg without its holding brake. As part of the SF Servo Motors series by Bosch Rexroth Indramat, it features a flange diameter of ⌀130 j6 mm and a single-turn encoder.

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Product Description:

Bosch Rexroth Indramat is one of the top companies that pioneer innovations in the field of automation device manufacturing. With a global reach and market, Bosch Rexroth is especially known for their servo motors, drives, and controller units. Under the Servodyn-D inverter system, Bosch offers two well-known motor series, SF and SR. Motors under the SF product line are known for their single-turn absolute value encoder system, whereas SR motors are characterized by their built-in resolver for position and speed control. For both motor series, products commonly feature a sinusoidal emf, a resistant aluminum frame, an integrated encoder/resolver, and an optional holding brake or cooling system.

The SF-A4.0091.030-14.050 is one of Bosch Indramat’s best-selling products under the SF motor series, featuring a single-turn absolute encoder. During operation, this servo motor can achieve a typical speed rating of 3000 rpm. With its type-14 configuration code, this motor employs a basic holding brake without a mating connector. In the context of servo machines and motors, the holding brake functions as a hold-only brake, allowing the rotor to stay in a fixed position for a brief period of time. For this machine, the holding brake has a rating of 18 Nm at a maximum contact temperature of 120 degrees Celsius.

During locked-rotor conditions, the SF-A4.0091.030-14.050 can achieve an equivalent torque of 10 Nm. At the same operating conditions, the developed current in the machine is around 7 A. Including the holding brake, this motor has a total mass of 14.04 kilograms. In terms of its external characteristics, the SF-A4.0091.030-14.050 has a flange measurement of 142 mm and a shaft diameter and length of 24 mm and 50 mm, respectively.

Encoder Type
Single-turn (STG), opt. Multi-turn (MTG)
Flange Diameter
⌀130 j6 mm
Holding Brake Torque
18 Nm (at 120 °C)
Locked-rotor Current
7.0 A
Locked-rotor Torque
10 Nm
Mass With Holding Brake
14.7 kg
Mass Without Holding Brake
13 kg
Moment Of Inertia
21×10⁻⁴ kg·m²
Motor Length With Brake
293 mm
Motor Length Without Brake
246 mm
Rated Speed
3000 min⁻¹
Shaft End Diameter
⌀24 k5 mm
Shaft Length
50 mm
Torque Constant
1.42 Nm/A
Type
SF(R)-A4.0091.030
  • sf-a4.0091.030-14.050
  • SFA4009103014050
  • SF A4 0091 030 14 050

Frequently Asked Questions about SF-A4.0091.030-14.050:

Q: What is the moment of inertia of the SF-A4.0091.030-14.050, including the encoder?

A: Including the encoder, SF-A4.0091.030 motors have a moment of inertia of 21 x 10^-4 kg(m^2).

Q: What is the torque constant of the SF-A4.0091.030-14.050?

A: The SF-A4.0091.030-14.050 has a torque constant of 1.42 Nm/A.

Q: What is the rated current of the SF-A4.0091.030-14.050’s holding brake?

A: The SF-A4.0091.030-14.050’s holding brake has a rated current of 0.7 A.

Q: What is the recommended supply voltage for the SF-A4.0091.030-14.050’s holding brake?

A: The SF-A4.0091.030-14.050’s holding brake must be used alongside a 24 VDC supply voltage.

Q: What is the moment of inertia of the SF-A4.0091.030-14.050’s holding brake?

A: The SF-A4.0091.030-14.050’s holding brake has a moment of inertia of 3.1 x 10^-4 kg(m^2).


Internal Product Review

  • ‘‘The SF-A4.0091.030-14.050 is a compact servo motor perfect for medium-torque and power applications. With its built-in encoder system, this motor can be used alongside a compatible Bosch drive for precise monitoring and control functions.’’

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