SF-A3.0068.030-00.030
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MPN: 1070000000
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The SF-A3.0068.030-00.030 precision shaft features a 6.8 mm diameter, 30 mm length, h6 tolerance, and a hardness rating of ? 60 HRC. As part of the SF Servo Motors series manufactured by Bosch Rexroth Indramat, it boasts a surface finish of ? 0.3 ?m Ra and straightness precision of ? 15 ?m/100 mm.
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Product Description:
Bosch manufactures the SF Servo Motors for demanding motion control applications. Bosch Rexroth Indramat supplies integrated drive and control solutions for automation needs. The SF-A3.0068.030-00.030 Servo Motor offers high-speed performance with reliable torque output. It delivers a rated speed of 6800 1/min for fast operational cycles.
The SF-A3.0068.030-00.030 Servo Motor has a torque of 6.8 Nm to handle moderate load conditions. The motor operates at a current of 5.0 A during rated performance. A torque constant of 1.36 Nm/A ensures efficient torque generation per ampere. The SF Servo Motors feature a rotational inertia of 11 x 10^-4 kg m^2 that includes the encoder. The flange size measures 116 mm for standard mounting adaptability and the shaft dimension is 19 x 40 mm for direct mechanical coupling. The total motor length without the holding brake is 255 mm for compact installations. The motor weight without the brake is 9 kg to assist in manageable mounting. The encoder type provided is Single-turn (STG) with an option for Multi-turn (MTG) with the precision of +/- 20 angular seconds for high positioning accuracy. The resolution reaches up to 8 million increments per revolution for detailed control. The holding brake transfers a holding torque of 56 Nm at 120 C. It operates on a supply voltage of 24 x 10 % with a residual ripple of 5 %.
The SF-A3.0068.030-00.030 Servo Motor has a rated current of the holding brake of 0.66 A for stable holding force. The moment of inertia for the brake is 1.06 x 10^-4 kgm^2 which ensures controlled stopping. The brake mass is 0.6 kg to keep the overall motor size compact. They are suitable for automation systems that demand performance and accuracy in torque and speed control.
Frequently Asked Questions about SF-A3.0068.030-00.030:
Q: Why is the motor length of 255 mm (without brake) beneficial in automation projects for SF-A3.0068.030-00.030?
A: The compact length helps in space-constrained installations. It allows integration into smaller control cabinets or tight machine enclosures.
Q: How does the 0.66 A brake current affect holding performance in SF-A3.0068.030-00.030 Servo Motor?
A: The brake current ensures consistent holding force under load. It maintains position stability during power-off conditions.
Q: Why does the SF-A3.0068.030-00.030 use a 24V ~10% supply for its holding brake?
A: The voltage range allows flexibility in industrial control systems. It ensures the brake remains effective even with minor supply fluctuations.
Q: How does the 8 million increment encoder resolution improve performance in SF-A3.0068.030-00.030?
A: The high encoder resolution ensures detailed feedback and tight motion control loops. This results in superior accuracy in positioning and speed control.
Q: What is the role of the single-turn (STG) encoder in SF-A3.0068.030-00.030 Servo Motor?
A: The single-turn encoder provides precise position feedback within one revolution. This helps achieve accurate positioning in single-axis applications.
