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- Bolt & Go - Royal's exclusive Bolt & Go mounting feature ensures maximum accuracy and rigidity with no adjusting required. Other systems require the mandrel to be trammed in – a hassle that wastes valuable machining time
- Oversized Flange - Borrowing from the winning design of CNC Collet Chucks, all bodies feature an oversized flange to protect the machine tool spindle bearings from coolant penetration
- Z-Axis Repeatability - Pullback action draws the workpiece securely against a ground locating plate for maximum "dual-contact" rigidity and consistent z-axis repeatability
- Easy Installation - Royal CNC I.D. Workholding Systems include all mounting hardware, wrenches, and a custom-machined drawtube connector to ensure hassle-free installation
- Heavy-Duty Construction - Royal consistently builds products that outlast the competition, especially in the most demanding environments. Bodies, mandrels, and expanding rods are all hardened to Rc 61-63 for maximum durability
- Same-Day Shipping - Royal maintains a huge inventory of standard bodies, mandrels
- Larger sizes – up to 25" diameterExtended-length systemsMulti-step systems for locating on multiple bore diametersAutomation enhancements such as ejector rings, part confirmation, etc
- Ultra-Precision Accuracy - System runout guaranteed to be 0.0005" TIR or better
- Modular Design - Mandrel models A-E all have a common mounting interface with the body so the system can grow with your needs
- Wide Gripping Range - A broad 0.032" expansion range (0.020" for model A) enables many bore sizes to be covered with a single expanding sleeve
- Parallel-Grip - Royal's double-angle design provides parallel sleeve expansion, ensuring full-length part contact and positive release when the part is unclamped
- Outstanding Tool Clearance - Royal CNC I.D. Workholding Systems have been optimized for superior tool clearance over other workholding systems
- Completely Sealed - All expanding sleeve slots are sealed to prevent contaminants from accumulating on the mandrel surface – ensuring years of trouble-free service. An internal O-ring on the drawtube connector offers additional protection.AdvantagesChoose appropriate mandrel model according to gripping range
Product Specifications
| Mandrel Model | A |
| Mandrel Gripping Range | 0.479–0.640 |
| Mandrel Dimension C | 1.57 |
| Mandrel Dimension D | 0.57 |
| Mandrel Dimension E | 0.87 |
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
