MKD112C-058-KG3-BN
MKD Synchronous Motors
The MKD112C-058-KG3-BN is a synchronous motor manufactured by Bosch Rexroth Indramat in the MKD Synchronous Motors series. It delivers 38.0 Nm continuous torque at standstill and uses resolver feedback with integrated encoder for absolute position detection (>4096 revs). Featuring a plain shaft with seal, an integrated holding brake (70 Nm), motor size 112 with centering diameter 130 mm, 400V winding, IP65 protection, and insulation class F, it weighs 59 kg and connects via output connector.
Technical Specifications
Shaft Design
Plain shaft
Shaft Seal
Yes
Holding Brake
With holding brake
Holding Brake Torque
70 Nm
Other Designs
None
Encoder Type
Resolver feedback w/ integrated encoder
Position Detection
Absolute (>4096 revs)
Continuous Torque at Standstill
38.0 Nm
Motor Length
C
Motor Size
112
Centering diameter
130 mm
Connection Type
Output connector
Product type
Servo Motor
Winding Code
058
Rated Voltage
400V
Weight
59 kg
Protection Class
IP65
Insulation Class
F
Motor Type
Synchronous Motor
Frequently Asked Questions
What’s the engineering purpose of the 70 Nm holding brake on MKD112C-058-KG3-BN for vertical Z-axes or index tables?
The brake supplies static torque to hold load when torque-producing current is removed to prevent drift on power-off or emergency stop. It supports safer standstill for suspended masses and rotary fixtures until the drive re-engages.
How does IP65 plus a sealed plain shaft on MKD112C-058-KG3-BN influence ingress, lubrication, and coupling life?
The shaft seal and IP65 enclosure limit particulate and fluid ingress at the bearing/coupling interface for helping preserve grease films and fit tolerances. It reduces abrasive wear and contamination-driven fretting during cyclic duty.
What does the 38 Nm continuous torque at standstill on MKD112C-058-KG3-BN imply for tension-regulated unwind/rewind or dwell-heavy indexers?
It sustains defined torque at zero speed for enabling stable tension or holding force without overheating when sized to RMS currents. It addresses prolonged standstill duty and corresponding current/thermal dimensioning for MKD112 frames.
What mounting precision is expected from the 130 mm centering diameter on MKD112C-058-KG3-BN, and is the flange pattern DIN 42928 compliant?
The 130 mm pilot governs concentricity/runout to align the rotor with machine mechanics. It simplifies accurate, repeatable mounting and retrofit scenarios.
How does the output-connector orientation on MKD112C-058-KG3-BN influence EMI and routing in constrained cabinets?
The defined connector exit options and cable-set geometry let designers route away from sensitive IO and minimize loop area for EMI management. It outlines permissible output directions for MKD112 frames to aid enclosure layout.
Common Misspellings
MKD 112C-058-KG3-BN
MKD-112C-058-KG3-BN
MKD112C-O58-KG3-BN
MKD112C058KG3BN
MKD112C 058 KG3 BN
mkd112c-058-kg3-bn
Internal Product Review
The Bosch Rexroth Indramat’s MKD112C-058-KG3-BN couples a sealed plain shaft and 70 Nm brake with resolver-based absolute detection for accurate angular motion. It requires a rated 400 V supply to operated and possess insulation of category F. This unit is IP65 protected from external intrudes and it delivers 38 Nm at standstill with size 112/130 mm centering. Its output connector simplifies cabinet wiring to fit into applications like printing/packaging, food processing and handling automation.
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