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φ75mm Rolling · 150mm Length · 17T Pressure

The R17NC-II (In-feed) is a high-capacity 3-axis CNC thread rolling machine, designed for short-length but heavy-duty thread forming applications. With a rolling capacity of up to φ75mm diameter and 17 tons of pressure, it delivers outstanding performance for internal and external threads, splines, and knurling operations in medium to hard metals.

R17NC-II Series

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Customized design

Why Choose Our CNC Solutions

Key Features

  • ● 3-axis CNC control for synchronized feed and die positioning
  • ● Max. outer diameter capacity of φ75mm with up to 150mm length
  • ● Delivers 17 tons of rolling pressure for aggressive thread/spline forming
  • ● Ideal for short parts with in-feed constraints or features
  • ● Supports threading, knurling, and spline formation in one setup
  • ● High frame rigidity for vibration-free, high-load rolling operations
  • ● Programmable via user-friendly CNC interface with thread library support
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Recommended Configurations

  • Hydraulic Workpiece Clamping Unit Ensures centering during high-force rolling
  • Custom Spline/Thread Dies Designed for trapezoidal, metric, or involute profiles
  • Integrated Cooling/Lubrication Unit Reduces heat and extends die life
  • CNC Auto-Alignment Module Assures parallel die orientation and perfect engagement
  • Protective Enclosure with Touch Screen Panel Enhances safety and usability
  • Servo Control Upgrade For 5-axis or enhanced torque compensation
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Application Case

  • Client: Tier-1 Transmission Component Supplier – USA
  • Use Case: Forming precision splines and lead threads on gear blanks with shoulders
  • Setup: R17NC-II (3-axis) with involute spline dies, servo-controlled clamping, and mist lubrication system
  • Results: Rolling depth accuracy: ±0.01mm, splined surface Ra: ≤ 1.2 μm, form cycle time: 12 seconds per part, client feedback: “This machine gave us consistent spline profiles across high-strength steel shafts with zero deformation. Cycle time and durability exceeded expectations.”
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Product Specifications

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