Method of Calibrating an Extruded Straight Tube

摘要

A method and tool for calibrating an extruded tube for use in a manufacturing operation. According to the method, the tube is stretched while in a clamping tool by approximately 3%. The tool encloses the tube while a stretching mechanism is clamped to opposite longitudinal ends of the tube and applies a stretching force to opposite ends of the tube. The tool includes a clamping mechanism that clamps the tube into a cavity and a stretching mechanism with clamps that are attached to opposite longitudinal ends of the tube to calibrate the tube by longitudinally stretching the tube.

主权项

1. A method comprising:
opening a tool that defines a cavity; placing an extruded tube in the cavity; closing the tool over the tube, wherein the tube and the cavity define a clearance between the tube and the cavity; applying a first clamp to a first end of the tube and a second clamp to second end of the tube; and stretching the tube in a longitudinal direction to minimize deformations in the tube.