KUKA EMD00-228-936 / 00-228-934C2C4 Mastering Tool – Robot Zero-Point Calibration Device | KUKA KR Series Platform
Engineering Background
Precise robot mastering is the foundation of repeatable, high-accuracy automation. When a KUKA industrial robot loses its zero-point reference—due to battery replacement, axis collision, or mechanical overhaul—the EMD00-228-936 Mastering Tool restores the factory-calibrated axis positions with sub-millimeter accuracy. Without correct mastering, TCP (Tool Center Point) deviation accumulates across all six axes, leading to weld misalignment, pick-and-place errors, and potential collision events.
Product Positioning
The KUKA EMD00-228-936 (cross-reference: 00-228-934C2C4) is the OEM-specified electronic mastering device for KUKA KR series robots. It interfaces directly with the robot’s mastering socket and communicates with the KRC controller to capture and store the precise mechanical zero position of each axis. This tool is an essential instrument for robot commissioning engineers, maintenance technicians, and system integrators operating KUKA robotic cells.
Complete Technical Specifications
| Part Number | EMD00-228-936 |
| Cross Reference | 00-228-934C2C4 |
| Manufacturer | KUKA Roboter GmbH |
| Product Series | KR Series (KR 6, KR 16, KR 30, KR 60, KR 120, KR 150, KR 210, KR 240, KR 360, KR 500, KR 1000) |
| Function | Electronic Mastering Device (EMD) – Robot Zero-Point Calibration |
| Interface | Mastering socket on robot axis (M8 connector) |
| Controller Compatibility | KRC2, KRC4, KRC4 compact, KRC4 smallsize |
| Calibration Method | Electronic dial gauge with reference notch detection |
| Weight | Approx. 400 g |
| Origin | Germany (OEM) |
| Condition | New / Refurbished (specify at inquiry) |
Proven Application Environments
- Automotive Body-in-White (BIW): Re-mastering after tooling changeover or axis replacement on welding robots
- Foundry & Heavy Industry: Periodic calibration verification in high-vibration environments
- Electronics Assembly: Precision TCP restoration after preventive maintenance cycles
- Palletizing & Logistics: Axis zero-point recovery after emergency stop collision events
- Robot Refurbishment Centers: Full 6-axis mastering during robot overhaul and resale preparation
- System Integration Labs: Commissioning new KUKA robot cells to factory specification
Engineering Advantages
- OEM Accuracy: Designed and calibrated to KUKA factory standards—no third-party approximation
- Multi-Axis Coverage: Single tool handles all six axes sequentially via the robot’s mastering socket
- KRC Controller Integration: Direct electronic handshake with KRC2/KRC4 eliminates manual dial-gauge reading errors
- Durable Construction: Industrial-grade housing rated for shop-floor environments
- Plug-and-Play Operation: Guided mastering procedure via KUKA smartPAD—no additional software required
- Compact & Portable: Lightweight design for easy transport between robot cells
System Architecture & Signal Flow
The EMD00-228-936 operates as follows:
- Technician moves the robot axis to the approximate mastering position using the smartPAD
- EMD tool is inserted into the axis mastering socket (M8 interface)
- The tool’s internal sensor detects the precision reference notch on the axis gear
- An electronic signal is transmitted to the KRC controller via the mastering cable
- The KRC controller records the exact encoder count as the new zero-point reference
- Process is repeated sequentially for all six axes (A1–A6)
- Mastering data is saved to the robot’s system configuration—immediately active
Sourcing & Quality Verification
- Source: Procured directly from KUKA-authorized distributors and certified industrial surplus channels
- Inspection: Each unit undergoes functional verification prior to shipment
- Documentation: Original KUKA part number label and packaging preserved where available
- Traceability: Batch records maintained for enterprise procurement compliance
- Warranty: 90-day functional warranty; extended coverage available on request
Procurement Process
- Confirm Compatibility: Verify your robot model and KRC controller version against the compatibility table above
- Request Quote: Contact [email protected] with your robot serial number for tailored confirmation
- Place Order: Add to cart or submit a purchase order (PO) for B2B procurement
- Shipping: DHL / FedEx express worldwide; lead time 1–5 business days depending on stock status
- After-Sales: Technical support available via email and WhatsApp for installation guidance
Technical FAQ
Q: Can this tool master all KUKA KR series robots?
A: Yes. The EMD00-228-936 is compatible with the full KUKA KR series using KRC2 and KRC4 controllers. Confirm your specific model at inquiry.
Q: Is mastering required after every battery replacement?
A: Yes. Replacing the resolver battery on any axis causes loss of the stored zero-point reference. Full 6-axis mastering with the EMD tool is mandatory before resuming production.
Q: What is the difference between EMD00-228-936 and 00-228-934C2C4?
A: These are cross-reference part numbers for the same physical device. EMD00-228-936 is the primary KUKA catalog number; 00-228-934C2C4 is an alternate procurement reference used in some regional catalogs.
Q: Can I use a dial gauge instead of this EMD tool?
A: Mechanical dial gauge mastering is a legacy method with lower accuracy. For KRC4 systems, KUKA recommends the EMD tool as the standard mastering method to achieve ±0.01 mm repeatability.
Q: Do you provide a calibration certificate?
A: Calibration certificates are available upon request for quality-system compliance (ISO 9001 / IATF 16949 environments).
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