Channel quality requirements
The standard defines the acceptable deviation in both the surface quality and geometric shape of the channel. It specifies that the surface must be free from harmful defects, and there should be no noticeable twisting or distortion. The permissible limits for channel wave bending (also known as cutter bend) and key groove dimensions—such as h, b, d, t, and others—are clearly outlined. These include specific values and tolerance ranges to ensure proper fit and function. Common issues with improper geometry include incorrect angles, uneven leg lengths, and misaligned flanges. Adhering to these specifications is essential to maintain structural integrity and performance in applications where precision is critical.
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