MKD112C-024-KP3-AN

MKD Synchronous Motors

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The Bosch Rexroth Indramat MKD112C-024-KP3-AN is a servo motor in the MKD Synchronous Motors series. It delivers 24 Nm rated torque and 7.3 kW power with a shaft with keyway, shaft seal and 70 Nm holding brake. It features resolver feedback with integrated encoder for absolute position detection (>4096 revs).

Technical Specifications

Shaft Design
Shaft with keyway

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

Flange size
192 mm

Motor Size
112

Connection Direction
Side A

Product type
Servo Motor

Winding Code
024

Rated Current
22.3 A

Rated Torque
24 Nm

Cooling Mode
Natural Convection

Torque Constant (kt)
1.05 Nm/A

Power
7.3 kW

Frequently Asked Questions

How does the resolver feedback with integrated absolute (>4096 rev) detection enhance commissioning repeatability on MKD112C-024-KP3-AN?

The resolver provides rugged sinusoidal position tracking while the integrated absolute encoder preserves multi-turn position across cycles to minimize homing time and cumulative indexing error. Its combination accelerates start-ups and improves synchronous axis alignment in multi-axis packaging or press applications.

Why specify a 70 Nm holding brake on MKD112C-024-KP3-AN for vertical or interrupted-motion axes?

The brake supplies static torque to prevent back-driving under gravity or shock for protecting tooling and fixtures during E-stops. It also stabilizes fixture position during metrology moves to reduce servo dither and thermomechanical drift.

What is the implication of the torque constant (kt ≈ 1.05 Nm/A) for drive sizing and thermal headroom?

The higher kt yields commanded torque at lower phase current for easing inverter RMS demand and copper losses. It simplifies current-loop tuning while preserving thermal margin under natural-convection cooling at mid-band speeds.

What role does the keyed shaft and shaft seal play in driveline integrity for MKD112C-024-KP3-AN?

The keyed interface transmits torque without fretting typical of purely frictional hubs to improve phase accuracy in cyclic loads. Its seal mitigates ingress of aerosols and fines for maintaining lubrication and encoder cleanliness in packaging and printing environments.

How does absolute multi-turn referencing on MKD112C-024-KP3-AN reduce cumulative registration error in multi-station lines?

The absolute position persists across power cycles, each station reacquires exact angular phase without homing traversals. It preserves print/register alignment and cut-to-mark accuracy over repeated starts.

Common Misspellings

Internal Product Review

The Rexroth Indramat’s MKD112C-024-KP3-AN servo motor comes with a keyed design of shaft that has a sealing ring as well. It is equipped with a 70 Nm holding brake and it possess a resolver/absolute multi-turn feedback. This AC motor uses natural-convection surface cooling. It delivers a rated torque of 24 Nm and consumes 7.3 kW of power. Due to its precise position retention and reliable stall torque, it suits packaging lines, machine tools and printing/textile equipment.