MANUFACTURING PROCESSES
Turning
Turning is a widely used machining process for producing engineered fasteners and components. It is a subtractive manufacturing process where a cutting tool removes material from a rotating workpiece to create cylindrical shapes or other specific geometries.
The Turning Process:
1. Workpiece Setup:
A cylindrical raw material (such as a rod or bar) is clamped onto a lathe or CNC turning machine.
Common materials include alloy steels, stainless steels, titanium, aluminum, nickel alloys, and other high-performance metals.
2. Rotation:
The workpiece is rotated at high speeds around its central axis.
3. Tool Engagement:
A single-point cutting tool is positioned against the rotating workpiece to remove material.
The cutting tool is fed along the axis of rotation (longitudinal turning) or radially (facing) to achieve the desired dimensions and shapes.
4. CNC Control (Optional):
For precision, CNC (Computer Numerical Control) lathes are used to automate and control the turning process, enabling complex shapes and tight tolerances.
5. Post-Processing:
After turning, components may undergo threading, drilling, deburring, heat treatment, or coating depending on requirements.
Types of Turning:
Straight Turning: Produces uniform cylindrical shapes.
Taper Turning: Creates tapered surfaces by adjusting the tool angle.
Thread Turning: Cuts external or internal threads onto a fastener.
Grooving: Forms grooves or undercuts in the workpiece.
Facing: Produces flat surfaces on the end of the workpiece.
Profiling: Creates complex contours and profiles.
Advantages of Turning:
Precision: Achieves tight tolerances, essential for critical components.
Versatility: Can produce cylindrical parts with various profiles, threads, and grooves.
Surface Finish: Provides smooth finishes that may reduce the need for additional polishing.
Material Compatibility: Works well with a wide range of metals, including hardened alloys.
Applications in Engineered Fasteners:
Turning is ideal for manufacturing fasteners and components that require high precision and specific geometries. Applications include:
Bolts and Screws: Used to form the threads and shafts of precision bolts, screws, and studs.
Nuts: Internal threads are machined for
custom nuts.
Bushings and Sleeves: Cylindrical components with tight tolerances.
Threaded Inserts: Used in aerospace, robotics, and other high-performance applications.
Custom Fasteners: Specialty fasteners with unique profiles or geometries.
Limitations
Material Waste: Being a subtractive process, turning generates scrap material.
Complexity: Intricate shapes may require additional operations or more advanced multi-axis CNC machines.
Time-Intensive: For high-volume production, processes like cold or hot heading might be more efficient.
DOING WHATEVER IT TAKES
Putting Manufacturing Exellence Into Practice
The manufacturing processes, testing capabilities, and quality systems featured throughout WN Global support the production of critical components and engineered fastening solutions across demanding industries. Connect with our team to learn how our manufacturing capabilities can support your project requirements.
