MKD112C-058-GP0-AN

MKD Synchronous Motors

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The MKD112C-058-GP0-AN is a servo motor manufactured by Bosch Rexroth Indramat. In the MKD Synchronous Motors series, it has resolver feedback encoder and 38 Nm standstill torque. It runs at 3000 rpm with a torque constant of 1.24 Nm/A and weighs 32 kg. The shaft has a keyway design and side A connection direction.

Technical Specifications

Shaft Design
Shaft with keyway

Shaft Seal
Yes

Holding Brake
Without holding brake

Other Designs
None

Encoder Type
Resolver feedback (RSF)

Position Detection
Relative

Continuous Torque at Standstill
38.0 Nm

Motor Length
C

Motor Size
112

Flange size
192 mm

Connection Direction
Side A

Product type
Servo Motor

Winding Code
058

Inductance
3.47 mH

Weight
32 kg

Rated Speed
3000 rpm

Rated Current
20.5 A

Torque Constant
1.24 Nm/A

Frequently Asked Questions

What do the 3.47 mH phase inductance and 1.24 Nm/A torque constant imply for current-loop bandwidth on MKD112C-058-GP0-AN?

The higher inductance attenuates PWM ripple and limits current-loop crossover, so tuning favors slightly lower bandwidth with adequate phase margin. Its torque constant linearly maps commanded current to torque.

How does the keyed shaft (DIN 6885-1) on MKD112C-058-GP0-AN affect coupling selection and backlash under reversing duty?

The standardized key geometry simplifies interference-fit hubs and limits micro-slip for reducing torsional play compared with plain friction joints. Its key shear and hub stress under peak bidirectional torque needs to be varified and its select backlash-controlled coupling is to preserve servo stiffness.

How should 3000 rpm base speed on MKD112C-058-GP0-AN guide screw lead or belt ratio choices for tension or contouring axes?

The selection ratios that place operating points near the motor’s efficient torque–speed region while keeping reflected inertia within 3–10× of rotor inertia is important. It balances servo bandwidth, limits current spikes and improves contour accuracy on packaging, printing or handling axes.

How do the 192 mm flange and size-112 frame influence thermal conduction and mounting stiffness when installing MKD112C-058-GP0-AN on cast-iron bases?

Its broad flange affords lower interface thermal resistance and higher bending rigidity that improves heat shedding and eigenfrequency. Its flatness, bolt preload and contact area are critical, while poor fitment elevates case temperature and compromises dynamic accuracy.

What routing practices follow from the Side-A connector orientation when cabling MKD112C-058-GP0-AN in cabinet-left layouts?

The separate motor power from feedback cables maintains shield terminations at the drive end and avoids parallel runs with high-dv/dt lines. Use ferrites and proper bonding to reduce common-mode emissions and protect resolver signals from induced noise.

Common Misspellings

Internal Product Review

Rexroth Indramat manufactures the MKD112C-058-GP0-AN servo motor that integrates resolver-based feedback for motion and sped control. It has a balanced, keyed shaft and it offers side-A cabling routing. This motor delivers 38 Nm at standstill and its rated angular speed is 3000 rpm. Its torque constant is 1.24 Nm/A, while it weighs 32 kg and possess a 192 mm flange to simplify retrofit.