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PrimeTurning™ isn’t just a tool—it’s a complete turning solution. As the industry’s first all-directional turning method, PrimeTurning™ delivers greater machining flexibility and significantly improved productivity over conventional techniques. This innovative concept combines a new turning approach, specialized CoroTurn® Prime tools, and a dedicated code generator to maximize performance and efficiency.

Your Turning Partner from Start to Finish: The Steiner Metalworking team is here to help you specify the right turning holders and insert combinations for your application. From initial planning through implementation and ongoing support, we’ll work with you to improve efficiency, boost throughput, and reduce production costs.

Internal Turning with PrimeTurning™

The CoroTurn® Prime SL head enables internal turning with PrimeTurning™ methodology, allowing inside-out machining for improved chip evacuation and chip control in demanding internal applications.

Second-Generation B-Type Inserts

The new CoroTurn® Prime B-type inserts are double-sided with four cutting edges for improved cost-efficiency. A robust tip seat design and optimized geometries make them ideal for machining tough materials.

Y-Axis Turning

Y-axis turning uses simultaneous 3-axis motion where the tool rotates around its center, enabling complex features to be machined with a single tool—boosting efficiency and reducing setup time.

Video Features & Benefits Applications
  • Achieve over 50% productivity gains compared to conventional turning
  • Turn in all directions for maximum machining flexibility
  • Extend tool life with optimized insert durability
  • Double your speed and feed rates for more parts per run
  • Lower cost per component with higher throughput and fewer tool changes
  • Reduce capital expenses by increasing output per setup
  • Boost machine utilization with minimized setup time and fewer production interruptions
  • All-directional turning (forward, backward, profiling)
  • A-type: Light roughing, finishing, profiling
  • B-type: Heavy roughing, finishing
  • For turning centers, vertical lathes, multi-task machines
  • Ideal for mass production and frequent tool changes
  • External: Short/compact or slender parts with tailstock
  • Internal: Ø > 40 mm, overhangs up to 8–10 × D
  • Materials: Steel, stainless steel, cast iron, HRSA

CoroPlus® Tool Path software

CoroPlus® Tool Path software is an advanced programming solution developed specifically for Sandvik Coromant’s PrimeTurning™ technology. It generates ISO-compatible CNC code optimized for all-directional turning, helping users unlock the full potential of CoroTurn® Prime tools. The software provides tailored tool paths, optimized cutting parameters, and proven strategies to enhance productivity, minimize tool wear, and improve chip control. Compatible with a wide range of CNC machines, CoroPlus® Tool Path enables faster setup, reduced programming time, and maximized machine output—especially in demanding high-volume or complex turning applications.

 For more information on Sandvik CoroTurn® Prime and PrimeTurning™, call 1-800-323-TOOL (8665) to speak with a Steiner Metalworking Specialist.
You may also fill out the form below for additional details.

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