Home  /  Brand capability  /  KUKA  /  KMP 400i

KMP 400i AGV/AMR mobile robots

KUKA's mobile platform, KMP diffDrive, not only moves quickly but also meets higher safety requirements thanks to laser scanning and 3D target recognition capabilities.

KMP 400i
SPECIFICATIONS · Specifications

KMP 400i specifications

The KMP 400i is a latent jacking autonomous mobile robot based on SLAM navigation and QR code navigation, with a single machine load of 400KG. Its modular design and rich interfaces enable rapid customization, improving customer production flexibility, efficiency, safety, and intelligence. The KMP 400i can be widely used in industries such as 3C, PCB, SMT, and e-commerce logistics.

Load400 kg
Minimum turning diameter850 mm
Maximum operating speed (load)1 m/s
Body weight120 kg
Maximum operating speed (no-load)1.5 m/s
Positioning accuracy±10mm,±1°(SLAM)/±5mm,±0.5°(QR)
Maximum operating noise75dB(A)
Battery typeLFP
Navigation methodsLaser SLAM, QR code navigation

Model introduction

KUKA's mobile platform, KMP diffDrive, not only moves quickly but also meets higher safety requirements thanks to laser scanning and 3D target recognition capabilities. You can elevate your unmanned transportation system to a new level of industrialized internal logistics.

Mobile Robots · Series technical features

KMP / KMF / KMR mobile platforms: omnidirectional and differential drive AGVs/AMRs, autonomous forklifts and composite robots, internal logistics automation.

Omnidirectional movement

omniMove omni-directional drive for flexible steering in narrow aisles.

Composite form

KMR mobile platform + robotic arm, human-machine collaborative mobile operations.

KMP 400i model positioning and working condition adaptation

KMP 400i This is an industrial robot model belonging to KUKA mobile robots, with a rated load capacity of 400kg. KUKA's technical foundation is KRL's clear program structure, PC-based control architecture is open, and there is a large stock of automotive welding lines; The control platform is KR C4 / KR C5 (older models KR C1 / KR C2), and the program ecosystem consists of KRL language + smartPAD teach pendant.

From the perspective of working condition adaptation, typical applications for heavy-duty (400kg) positioning are:Vehicle body handling, large casting processing, building materials and heavy palletizing。 For heavy-duty models, the foundation is poured according to the manufacturer's drawings and settlement observation is conducted, with hoisting and maintenance space reserved during the layout phase.

Engineering implications of KMP 400i specification parameters
ParametersEngineering interpretation and usage recommendations
Rated load capacity: 400kgIt is recommended to reserve a load margin of 20%–30%; Verification is made by combining end self-weight + workpiece + imbalanced load inertia, especially sensitive to high-speed conditions
Main body weight: 120kgInstallation base and foundation load-bearing check based on weight + dynamic load; Floor slab installation requires structural calculation, with heavy-duty models serving as independent foundations
Controllers: KR C4 / KR C5 (Old KR C1 / KR C2)Decide on the process ecosystem, spare parts channels, and second-hand residual value; Currently, spare parts channels are smooth, and repair and upgrade paths are mature

Control systems and common failure modes

The KR C4 / KR C5 (older models KR C1 / KR C2) controllers are paired with the KMP 400i, with a programming language and development environment of KRL + smartPAD teach pendant. Maintenance of this generation of control platforms focuses on three basic components: power, storage, and cooling—most "sudden downtime" can be detected in advance when preventive maintenance is in place.

KUKA platform high-frequency faults and warning signals
Failure modeTypical performanceDisposal recommendations
KRC4 power moduleKRC4 power module (KPP/KSP) fault and fuse blownIncluded as a mandatory inspection item for annual maintenance, with spare parts stocked in advance
Windows system disk aging and damageWindows system disk aging and damage (KRC4 is Windows-based, mechanical hard drives are a weak link)Initial interpretation of alarm codes by reference with manuals, remote diagnosis allows for early positioning
Control cabinet fan unit and temperature control faultControl cabinet fan unit and temperature control faultDaily inspection coverage, with abnormal trends (abnormal noises/temperature rise/errors) recorded
DSE/RDC board communication failureDSE/RDC board communication fault (rotary transformer link)Quarterly dust removal maintenance and cabinet temperature monitoring
KMP 400i Maintenance Points Checklist (KUKA Platform)
Maintenance projectsCycle recommendationsKey points
Regular system image backup (hard drive failure under Windows architecture can be quickly restored)PeriodicallyRegular system image backup (hard drive failure under Windows architecture can be quickly restored)
It is recommended to upgrade the SSD or replace the mechanical hard drive periodicallyBy cycleIt is recommended to upgrade the SSD or replace the mechanical hard drive periodically
Replace the battery prompt prompted by the alarm (KSD/RDC related data)According to the manufacturer's manual cycleReplace the battery prompt prompted by the alarm (KSD/RDC related data)
Cable and drag chain inspectionevery six monthsInsulation, shielding, and bending radius inspection of power and encoder lines, as well as wear of cables inside the drag chain, are the main causes of intermittent faults
Zero point and accuracy retestEvery yearRepeatability measured by dial gauges or laser trackers, drift trend digitization—accuracy degradation can be seen six months in advance
Control cabinet dust removal and fansEvery quarterFilter cleaning, fan speed and noise checks, cabinet temperature recording; Dust environments shorten the cycle

Henghuan's service capabilities for the KMP 400i

This site is a third-party robotics service provider. The KMP 400i supports eight major business services as follows (sorted by service frequency for each model):

  • Maintenance and repair: For KMP 400i's on-site diagnostics, board-level repairs, and annual maintenance contracts—we follow SOPs for regular system image backup (fast recovery from hard drive failures on Windows architecture), and respond to Sichuan-Chongqing on the same day.
  • Used & in-stock robot sales: The automotive industry has a large volume of retirements, with active circulation of used KRC2/KRC4 units; KR C2 has long been discontinued; confirm spare parts channels before purchasing; The KMP 400i or equivalent models in stock come with a full-function test report and a 12-month warranty.
  • Sales of new industrial robots: When adding new production lines or replacing batches, we conduct cross-brand selection comparisons based on process requirements (including models of the same level as KUKA), and provide configuration and pricing plans.
  • Applied technology services: Process programming, trajectory optimization, cycle time potential, and remolding formula management of the KMP 400i are targeted for vehicle body handling, large casting handling, building materials, and heavy-duty palletizing conditions.
  • Research and development of automation equipment: Custom fixture ends, peripheral tooling, and safety fences for the KMP 400i, with interfaces designed according to KUKA flange and IO standards.
  • Robot rental: During short-term capacity or process validation periods, you can rent the same class of the KMP 400i in stock, including transportation, installation, and commissioning, with flexible rental periods and flexible options for transfer.

Common issues with this device

Is it easy to find KMP 400i spare parts?

KUKA: Spare parts channels for this generation are smooth; we have in-stock or short-cycle channels for standard parts such as drivers, power modules, batteries, and teach pendant components; It is recommended to configure consumables for system image periodic backup (hard drive failures can be quickly restored under Windows architecture) according to the annual maintenance contract.

With a nominal load of 400kg, how much can it actually handle?

The rated load is the static load limit of the flange surface. In actual selection, three factors must be considered: the self-weight of the end fixture (vacuum suction cup groups or grippers often account for 2–5kg), the inertia generated by the workpiece offload (checked according to the inertia ratio when the center of gravity deviates from the flange center), and the dynamic load during high-speed movement. The conventional engineering practice is to keep the "end + workpiece" within 70%–80% of the rated value to ensure cycle time and service life.

If the equipment's accuracy deteriorates after several years of use, how can it be restored?

According to the inspection order: first check whether the zero point is drifting (common after collision or battery depletion), then perform zero calibration; Check the reducer's return error (actual measurement of forward and reverse positioning deviation; if exceeded, disassemble or replace); Then check the installation base fastening and foundation settlement; Finally, trajectory compensation parameter restructuring. Most accuracy issues can be mostly restored after calibration and maintenance, so there is no need to rush into major repairs—we first release the inspection data before deciding on the plan.

Is the used KMP 400i worth buying?

The automotive industry has a large volume of retirements, with active circulation of used KRC2/KRC4 units; The KR C2 has long been discontinued; confirm spare parts channels before purchasing. Three essential items for second-hand procurement: comprehensive inspection reports (axial accuracy, driver status, insulation and battery), maintenance history and operating hours, controller generation, and software license integrity. Every used machine we sell comes with inspection records and a 12-month warranty, and we can also accept third-party inspections designated by customers.

Need technical support or procurement for this model?

Whether it's model selection comparison, installation and commissioning, or maintenance of in-use equipment, you can contact Henghuan. Tell us about your processes, loads, and equipment status, and we will provide third-party technical support and solution recommendations.

Contact Henghuan Back to the full series
Service areas (by response priority): based in Nanchong, with same-day coverage of Shunqing, Gaoping and Jialing districts plus Langzhong, Yilong, Xichong, Nanbu, Yingshan and Peng'an; province-wide service across Sichuan (Chengdu, Mianyang, Deyang, Yibin, Luzhou, Zigong); on-site within 48 hours in Chongqing; scheduled visits to Kunming, Guiyang and nearby prefecture-level cities such as Qujing, Yuxi and Zunyi; remote diagnostics and mail-in repair for customers outside these regions. View full service areas →