The Process of Making Coil Springs Using a Lathe

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●Video content
🥳The video above captures the process of manual spring winding using a lathe, a creative and common technique in small mechanical workshops. The craftsman uses a mandrel tightly clamped in the lathe chuck to serve as a mold, combined with a custom-made guiding tool to fix the wire end and adjust the pitch. As the lathe rotates at a low speed, the steel wire is tensioned and wound evenly around the mandrel, forming uniform coils. However, this operation requires high dexterity and experience to control the wire tension, as the wire under high pressure can snap or fly out at any time.

📈The primary purpose of the spring-winding method on a lathe is to quickly create coil springs with customized sizes and pitches without the need for expensive specialized winding machines. This technique possesses outstanding advantages in terms of flexibility and cost-effectiveness, while leveraging the powerful drive system of the lathe to produce a uniform winding force, helping to precisely control the pitch and tension of the steel wire. Once finished, these springs are widely applied in everything from suspension systems in the automotive industry and safety valves in industrial sectors to familiar household appliances.

💥Key considerations

Control the rotation speed: The lathe must be set to the slowest speed (low speed) to give the operator enough time to adjust the pitch and promptly address any jamming or slippage of the wire.

Ensure stable tension: The pressure of the guide tool must be maintained evenly throughout the winding process to prevent overlapping or unevenly spaced turns.

Securely secure the wire end: The position of the wire end clamp on the mandrel must be extremely tight to prevent the wire from slipping under high rotational pressure, damaging the workpiece and endangering the operator.

Workplace safety: Never stand directly in front of the winding wire and do not wear loose cloth gloves to avoid being caught in the rotating chuck or mandrel.