Correct use of round broach (2)

The amount of tooth lift on the broach teeth should not be too large. Otherwise, the cutting force will increase and the cutter teeth will be damaged or the broach will be broken. To this end, the amount of tooth lift on each tooth of the broach must be controlled. When there is damage, notch or ch

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Principle and application of friction stir welding (3)

5. Welded joint performance In the friction stir welded joint, in addition to the common weld zone (stirring zone), the heat affected zone and the base metal, there is also a Stir affected zone. Figure 2 shows the shape of the weld zone taken from the back of the test piece during the welding pro

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