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Question:

What is the terminology to explain the aluminum twist and bending and a sharp respectively.

What is the terminology to explain the aluminum twist and bending and a sharp respectively.

Answer:

The 3. longitudinal side camber: the largest plane profile on the platform, to achieve stability by self, at the ends of the side section had draw a straight line on the platform, measuring the maximum gap between this line and the side profile values for longitudinal side camber.A: can be completely surrounded by the profile of cross-section of the smallest circle.Manual input, for reference only, specific explanation can view GB/T 14846.
Curvature:1. longitudinal bending: the profile is placed on the platform, and when the weight is stable, the maximum gap between the bottom of the profile and the platform is measured along the length of the profile, that is, the longitudinal curvatureThe 2. longitudinal wave degree (or bend): the section on the platform, to achieve stability by self, the ruler will be 300mm long (or flat on the surface of the profile cutter) waves or hard along the length direction of a profile, profile measurement and rule (or ruler knife) between the maximum gap value that is, longitudinal wave degree (or bend).
Twist: the section on the platform, and one end of the platform. To achieve stable profiles by self, the gap on both sides of endpoint and platform for measuring the value of the section warping end of T1 and T2, T1 and T2 is the difference between the profiles of the twist.

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