{
  "sections": [
    {
      "h2": "Introduction to shaft machining",
      "h3s": [
        "What is shaft machining?",
        "Importance of precision in shaft machining",
        "Common applications of shaft machining"
      ]
    },
    {
      "h2": "Essential techniques for CNC turning",
      "h3s": [
        "Overview of CNC turning process",
        "Choosing the right CNC machine for shaft machining",
        "Setting up CNC turning parameters"
      ]
    },
    {
      "h2": "Broaching techniques for effective machining",
      "h3s": [
        "What is broaching in machining?",
        "Types of broaching tools and their uses",
        "Best practices for broaching shafts"
      ]
    },
    {
      "h2": "Understanding machining processes and components",
      "h3s": [
        "Comparison of CNC milling and turning",
        "Role of materials like stainless steel and brass",
        "How torque affects shaft machining",
        "Importance of specifications in shaft design",
        "Utilizing automated machining for efficiency"
      ]
    },
    {
      "h2": "Frequently Asked Questions",
      "h3s": [
        "What are the key differences between CNC turning and broaching?",
        "How can I ensure precision in custom shaft machining?",
        "What are common challenges in shaft machining and how can they be overcome?"
      ]
    }
  ]
}