Gripper / Tool Clamp for Tool Exchange Arms | Industrial Component Directory

Product Specifications

Technical details and manufacturing context for Gripper / Tool Clamp

Definition

The Gripper/Tool Clamp is a critical sub-assembly of a Tool Exchange Arm, responsible for the physical connection and disconnection between the arm and various tools (e.g., end effectors, welding torches, spindles). It ensures precise, repeatable, and secure tool engagement for automated manufacturing processes, directly impacting system uptime and operational safety. This component is designed for machinery and equipment manufacturing, where automated tool changing is essential for flexible production. The gripper operates via pneumatic, hydraulic, or electric actuation, driving a mechanism such as a toggle, wedge, or collet to close clamping jaws or engage a locking interface like a taper or bayonet onto a standardized tool holder. A locking sensor confirms secure engagement before the arm proceeds with its task. Key parameters include clamping force (2.5–12 kN, ISO 15524), gripper opening range (20–80 mm), repeatability (±0.02 mm, ISO 9283), operating temperature (-40–85 °C, IEC 60068-2-14), ingress protection (IP54–IP65, IEC 60529), weight (3.5–8.2 kg), mounting interface (ISO 50–ISO 60, ISO 7388), sensor voltage (24 ±10% V DC, IEC 61131-2), and sensor output (PNP/NPN, IEC 60947-5-2). Materials on file include alloy steel, hardened tool steel, and aluminum alloy. These values are directory references and must be verified with the legal manufacturer or supplier for the specific model and application. The gripper's performance directly affects tool alignment, payload capacity, and system reliability. Proper selection requires matching the gripper opening range to the tool shank diameter, the mounting interface to the tool holder taper, and the sensor output to the PLC input. Failure boundaries are defined by these parameters, and regular verification of standards is recommended.

Working Principle

The gripper/tool clamp operates via pneumatic, hydraulic, or electric actuation. An actuator, such as a piston or motor, drives a mechanism like a toggle, wedge, or collet to close clamping jaws or engage a locking interface (taper or bayonet) onto a standardized tool holder. A locking sensor confirms secure engagement before the arm proceeds with its task. The mechanism ensures precise, repeatable, and secure tool engagement for automated manufacturing processes.

Common Materials

Alloy Steel, Hardened Tool Steel, Aluminum Alloy

Technical Parameters

Parameter	Typical range	Notes & selection driver
Clamping Force	2.5–12 kN	Below 2.5 kN tool may slip during high-speed exchangeISO 15524
Gripper Opening Range	20–80 mm	Must match tool shank diameter
Repeatability	±0.02 mm	Critical for tool alignmentISO 9283
Operating Temperature	-40–85 °C	Outside range seals may failIEC 60068-2-14
Ingress Protection	IP54–IP65	IP65 for coolant exposureIEC 60529
Weight	3.5–8.2 kg	Affects arm payload capacity
Mounting Interface	ISO 50–ISO 60	Must match tool holder taperISO 7388
Sensor Voltage	24 ±10% V DC	For position feedbackIEC 61131-2
Sensor Output	PNP/NPN	Select based on PLC inputIEC 60947-5-2

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

Clamping Jaws
Directly contact and grip the tool holder or adapter.

Material: Hardened Tool Steel
Actuation Piston
Converts pneumatic/hydraulic pressure into linear motion to drive the clamping mechanism.

Material: Alloy Steel
Proximity Sensor
Detects and signals the open/closed or locked/unlocked status of the clamp.

Material: Plastic Housing, Electronic Components
Clamping Mechanism
The toggle, wedge or collet between the piston and the jaws; it is what multiplies the clamping force.
Drive Motor Optional
Drives the clamp electrically where no air or oil is run to the arm.

Applied To / Applications

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

Tool Exchange Arm

View system integration details

Manufacturers of Gripper / Tool Clamp

Manufacturer profiles associated with Gripper / Tool Clamp.

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Frequently Asked Questions

What is the clamping force range for this gripper?

The clamping force range is 2.5–12 kN, as per ISO 15524. Below 2.5 kN, the tool may slip during high-speed exchange. Always verify the exact value for your specific model with the manufacturer.

What is the repeatability of the gripper?

The repeatability is ±0.02 mm, according to ISO 9283. This is critical for tool alignment. Confirm the actual repeatability for your application with the supplier.

What operating pressure is required?

Check the manufacturer's specifications for your model.

What ingress protection rating does the gripper have?

The ingress protection rating is IP54–IP65, as per IEC 60529. IP65 is recommended for coolant exposure. Verify the rating for your specific unit with the manufacturer.

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 gripping force: 5000 N, Cycle life: 1,000,000 cycles
temperature:	-20°C to 120°C

Gripper / Tool Clamp

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards