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The wrench-type lathe chuck is one of the most commonly used chucks in turning machines, known for its simple design and manual mechanism that allows precise control over clamping the workpiece. The main body of this chuck is typically made from high-strength alloy steel and undergoes hardening treatment to enhance durability. The jaws of a wrench-type chuck are operated manually using a dedicated chuck key, enabling accurate positioning of the workpiece. This type usually features three synchronized jaws that move simultaneously to center the workpiece along the axis of rotation — a critical feature for maintaining balance and improving machining accuracy.
Structurally, the wrench-type chuck includes a spiral or gear-based force transmission system that distributes the clamping force evenly to the jaws as the key is turned. This ensures that the jaws grip the workpiece with uniform pressure, minimizing slippage or play during operation. These chucks are manufactured in a variety of sizes and diameters to suit different manual and industrial lathe machines. Choosing the right chuck depends on factors such as clamping capacity, jaw dimensions, body material, and spindle compatibility. Due to their affordable price, high durability, and ease of maintenance, wrench-type chucks are a popular choice in machining workshops and industrial production lines.
Brand : رهم
WEBSITE: Three wrench systems Iran
The wrench-type chuck is one of the most commonly used work-holding tools in lathe machines, offering high precision and reliable safety through its manual mechanism and durable design. This type of chuck typically features three synchronized jaws that open and close simultaneously using a dedicated chuck key, allowing precise centering of the workpiece along the rotational axis. Its main body is made from hardened alloy steel, providing excellent resistance to wear, mechanical stress, and heat generated during machining. The internal structure includes a spiral or gear-based mechanism that evenly distributes the applied force from the wrench to the jaws. This ensures stable gripping of the workpiece during rotation and improves the quality of the machined surface. Available in various sizes and clamping capacities, the wrench-type chuck is a versatile option for both manual and semi-industrial lathe machines.