DOUBLE PRESSED WELDED FINGER FOR CUTTING DEVICE (VERSIONS) AND METHOD OF ITS MANUFACTURING

摘要

FIELD: agriculture. ^ SUBSTANCE: finger includes upper and lower shear knives welded to each other to form a rectangular slot. There are two stops at both sides of the finger. The upper shear knife is ""-shaped and has a link and two sharpened bent tips in the front part. The lower shear knife is ""-shaped and has two sharpened bent tips. On the lower shear knife there are four relief ledges provided in the form of an extended oval in areas of welding with the help of stamping. A welding core in its section is an extended oval. Thermal treatment of the device is made in the area of cutting surfaces of the upper and lower shear knives. ^ EFFECT: increased reliability of cutting device fingers operation and reduction of their manufacturing cost. ^ 8 cl, 8 dwg