FIELD: construction.
SUBSTANCE: for manufacturing and repair of a ram the upper and lower part of the ram are connected by welding. The upper part of the ram represents a rod (1), the lower end of which has a flare (2) in the form of an upper part of a blade adjoining the rod. The lower part of the ram represents a lower part (3) of the blade with protective hard-alloy elements (4) previously rigidly fixed on it. The lower part (3) of the blade makes at least 90% of the blade body volume.
EFFECT: reduced temperature impact from welding to a heat-strengthened material of a rod, strengthening of a central part of a blade.
4 cl, 3 dwg
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| INSERT OF HARD-ALLOY MATERIAL FOR A TOOL OF A SLEEPER TAMPING MACHINE | 2015 |
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RU2599137C1 |
