Master Plate for Tool Changers | Industrial Component Directory

Product Specifications

Technical details and manufacturing context for Master Plate

Definition

A master plate is the central structural component in industrial tool changer and end effector systems. It serves as the rigid mounting platform that attaches directly to the robot arm or automation equipment, providing a standardized interface for quick-change tooling. The plate ensures precise alignment and secure connection between the robot and various end effectors, maintaining positional accuracy during tool changes while withstanding mechanical loads and vibrations during operation. The master plate remains attached to the robot arm and features a standardized mechanical interface, typically using precision locating pins and locking mechanisms, allowing various end effectors to be quickly mounted and unmounted. It is available in materials such as aluminum alloy, steel, and stainless steel, with typical overall widths of 200–400 mm and heights of 20–60 mm. Mounting hole patterns conform to ISO 9409-1 with 4–8 holes, and flatness is specified to ISO 1101 with values of 0.02–0.05 mm. Surface roughness is Ra 0.8–1.6 μm per ISO 1302. For aluminum alloy, grade 6061-T6 per ASTM B221 is common, with hardness of 80–120 HB per ISO 6506-1. Weight ranges from 1.5–5.0 kg, affecting robot payload. Operating temperatures range from -20–0 °C minimum to 80–120 °C maximum. IP ratings of IP54–IP65 per IEC 60529 protect against dust and water jets. Static load capacity is 500–2000 N, and repeatability is ±0.01–±0.03 mm per ISO 9283. These values are directory reference ranges; verify model-specific specifications with the legal manufacturer or supplier.

Working Principle

The master plate functions as the fixed reference point in a tool changing system. It remains attached to the robot arm while providing a standardized mechanical interface (typically using precision locating pins and locking mechanisms) that allows various end effectors to be quickly mounted and unmounted. When a tool change is initiated, the robot positions the master plate against the tool's adapter plate, engages locking mechanisms (often pneumatic or hydraulic), and establishes electrical/pneumatic connections through integrated pass-through ports.

Common Materials

Aluminum alloy, Steel, Stainless steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Overall Width	200–400 mm	Determines compatibility with robot wrist flange
Overall Height	20–60 mm	Affects tool center point (TCP) distance
Mounting Hole Pattern	4–8 holes	Must match robot flange patternISO 9409-1
Flatness	0.02–0.05 mm	Critical for sealing and alignmentISO 1101
Surface Roughness	Ra 0.8–1.6 μm	Affects sealing and wearISO 1302
Material Grade	6061-T6	Aluminum alloy for lightweight and strengthASTM B221
Hardness	80–120 HB	Ensures wear resistanceISO 6506-1
Weight	1.5–5.0 kg	Affects robot payload capacity
Max Operating Temperature	80–120 °C	Above this, material strength degrades
Min Operating Temperature	-20–0 °C	Below this, brittleness may occur
IP Rating	IP54–IP65	Protects against dust and water jetsIEC 60529
Static Load Capacity	500–2000 N	Maximum force without permanent deformation
Repeatability	±0.01–±0.03 mm	Critical for consistent tool changesISO 9283

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Locating Pins Part
Ensure precise alignment with tool adapter plates

Material: Hardened steel
Locking Mechanism Interface
Engage with tool changer locking system

Material: Steel or aluminum
Connection Ports Part
Pass electrical signals, air, or fluids to end effectors

Material: Stainless steel or brass

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Tool Changer & End Effectors

View system integration details

Manufacturers of Master Plate

Manufacturer profiles associated with Master Plate.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 16 September 2026

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Frequently Asked Questions

What is the primary function of a master plate?

The master plate serves as the rigid mounting platform attached to the robot arm, providing a standardized interface for quick-change tooling. It ensures precise alignment and secure connection between the robot and various end effectors.

Which materials are commonly used for master plates?

Common materials include aluminum alloy, steel, and stainless steel. Aluminum alloy grade 6061-T6 is often used for lightweight and strength, but the specific material should be confirmed with the manufacturer.

What standards are relevant for master plate specifications?

Relevant standards include ISO 9409-1 for mounting hole patterns, ISO 1101 for flatness, ISO 1302 for surface roughness, ISO 6506-1 for hardness, IEC 60529 for IP rating, and ISO 9283 for repeatability. These are verification references, not proof of certification.

How does the master plate affect robot payload capacity?

The weight of the master plate (typically 1.5–5.0 kg) directly affects the robot's payload capacity. Heavier plates reduce the available payload for the end effector and workpiece, so the weight must be considered in system design.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0 to 10 bar
other spec:	Max load capacity: 500 kg, Alignment tolerance: ±0.05 mm
temperature:	-20°C to 150°C

Master Plate

Product Specifications

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