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Which of the following trimming die structures do you like best?

The knuckle die, including the punch and the die, the center of the punch of the product is provided with a refurbished datum, the center of the die of the product has a profile of the knuckle, and the outer contour of the product is welded with a die blade Mouth, the product of the die edge of the mold steel, surrounded by 4-5mm, 5-7mm thick, the product of the convex and concave die gap of 0.8mm. The product structure is simple, mold manufacturing and renovation is also relatively simple.

The vertical trimming die has a simple, easy-to-maintain, easy-to-use, small-sized press that can be used for trimming the vertical trimming die, including the upper template, the lower template, the die located below the upper mold of the product, and the convex A positioning block located on the top of the product for securing the trimming workpiece.

The crankshaft trimming die includes a male and female molds which cooperate with each other, and a tongue is provided in the die, and the cut direction of the cut edge of the die of the product is inclined downward and the angle between the cutting edge and the horizontal Α = 3 to 10 °. This product solves the problem of short mold life when the aspect ratio of the tongue part of the die is more than 2.5, prolongs the die life and is suitable for the cutting of the crankshaft forgings