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Machining Automation
CNC shops keep pallets moving and machines cutting nights, weekends, and short-staffed shifts with Hennig’s WorkFlow automated pallet delivery system.
Machine Tool Ecosystem
OTT-JAKOB Unclamp Units
Fast, precise unclamping for streamlined tool changeovers with unclamp units.
Unclamp Units
Precision Tool Release for High-Performance Machining
In OTT-JAKOB's clamping systems, tools are held securely by spring force. To release the tool, an external force is applied via the unclamping unit. These units are designed to minimize spindle bearing load, enhance machine uptime, and integrate seamlessly with OTT-JAKOB's modular clamping components. Their compact design and optional sensor integrations make them suitable for modern, high-speed machining environments.
| Key Features | |
| Multiple Actuation Options | Available in hydraulic, pneumatic, and electric versions to suit various machine tool requirements. |
| Bearing Relief Mechanism | Intelligent actuating mechanisms with grippers reduce spindle bearing load, extending spindle life. |
| Sensor Integration | Compatible with OTT-JAKOB's MSU system for monitoring drawbar position, piston position, and rotary union leakage. |
| Signal Ring Monitoring | Optional signal ring monitors provide precise clamping status feedback: 'Unclamped', 'Tool Clamped', and 'Clamped without Tool'. |
| Cleaning Air Connection | Many units feature a separate connection for cleaning air supply, maintaining cleanliness and performance. |
| Compatibility with Rotary Unions | Designed to accommodate OTT-JAKOB's GD rotary unions, ensuring seamless integration. |
Unclamp Units
Key Advantages
Why choose OTT-JAKOB products?
Versatility & Integration
Comprehensive range of sizes and actuation options (hydraulic, pneumatic, electric) designed to seamlessly integrate with OTT-JAKOB’s modular clamping systems, simplifying maintenance and upgrades.
Enhanced Machine Safety
Integrated sensor systems and optional signal ring monitoring provide real-time feedback, preventing improper tool changes and protecting your machines from potential damage.
Proven Reliability
Trusted globally by leading machine tool builders for their durability, consistent performance, and long service life, even in demanding machining environments.
Why Hennig
Engineered for Your Industry
CNC Machine Tool
Even the best CNC machines are only as good as their peripheral equipment. If systems aren’t built to work together, jams, crashes, and tolerance errors will cause downtime and scrap costs.
Integrators & Partners
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From the Resource Hub
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Related Content
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How does consistent drawbar pull-force translate to improved machining outcomes?
In the machining process, it can often be difficult for machinists to chase down the source of particular issues. Poor surface finish, rapid tool wear, taper corrosion, machine downtime, and tool breakage can each have multiple causes. However, there is one thing that can impact all of these: the pull-force of a spindle’s tool clamping system.
Blogs
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Product Selection
Top 5 Reasons to Choose OTT-JAKOB Tool Clamping Systems
Choosing the wrong tool clamping system partner can be a serious mistake. Old-school CNC machine tool clamping solutions may need extra maintenance, experience shorter lives, and can even be hazardous to operators. So, what do we recommend? OTT-JAKOB!
Blogs
Tool Clamping/Drawbars
Industry Trends
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