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The QC-21HM Tool Changer, which allows for routing air and electrical lines directly through its centre, has been developed by ATI to satisfy the needs of industrial hollow-wrist robots.

The tool changer’s internal routing of utilities provides direct compatibility with many hollow-wrist robots and results in a cleaner, more direct, connection.

The QC-21HM is directly compatible with the standard QC-21 Tool assemblies and has lock and unlock sensing integrated into its design for safe coupling and uncoupling.

Additional Hollow-Wrist Tool Changer models are currently under development and will be available as a standard option.

Routing all cables and hoses internally shields the dress package from mechanical influences and prevents whiplash motion.

Also, routing gripper cables through the hollow wrist improves access into tight spaces and reduces complications associated with broken hoses and cables.

ATI Robotic Tool Changers provide the flexibility to automatically change end effectors or other peripheral tooling with accuracy.

They are designed to function reliably for millions of cycles at rated loads, while maintaining extremely high repeatability.

A variety of models is available to cover a range of applications, from very small payloads to extremely heavy payload applications requiring significantly large moment capacity.

The QC-21HM Hollow-Wrist Master-side Tool Changer handles a payload of 55lb, with higher payloads possible with lower moment rating.

Additional features include: patented failsafe locking mechanism to ensure high-moment capacity and strength; a common lock/unlock air supply and a lock/unlock sensing method; eight pass-through air connections (two are 1/4in push-connect tube fittings and six are 1/8in push-connect tube fittings); lock and unlock connections are 1/8in push-connect tube fittings.

Metric tube size connections are available and many optional electrical module cables can also be routed through the centre.

No-Touch Locking technology allows up to 3mm (0.12in) plate separation when locking.

Positional repeatability (X, Y and Z) tested at a rated load at one million cycles is 0.015mm (0.0006in).

All locking parts are made of Rc58 stainless steel and are designed to provide reliability, repeatability and strength.

ATI Industrial Automation

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