Core rivet precautions:

1. When inspecting the finished rivet cores, the following should be checked: rivet body diameter, rivet rod length, rivet cap thickness, and cap diameter, total length of the rivet core, exposed size of the core, rivet head size, and even the outer diameter after assembly can be considered. In actual inspection, measurements can be focused on the product's vulnerable points, such as tensile strength, shear resistance, and the anti-loosening force of the rivet core.

2. Key points to note include the pull rivet's fullness, whether it is properly riveted; or if the rivet core cap is too large, preventing the rivet body tube from being pulled down; as well as the jump head, which refers to the low pull-out force of the rivet core or a too thin fracture size, etc.

3. Core Rivet Materials: Aluminum, Iron, Stainless Steel, Alloys, etc.

4. The total thickness of the workpiece is generally 45% to 65% of the rivet length, but should not exceed 60%. Additionally, a too short work length can also be problematic; it is recommended to aim for 50% to 60% in most cases. A rivet that is too long will have an oversized rivet head, making the shank prone to bending; conversely, a rivet that is too short will have insufficient head diameter, resulting in incomplete head shaping, affecting strength and tightness. Both excessively long or short rivet lengths are undesirable; only an appropriate length can achieve the desired riveting effect.