FIELD: machining of metals.
SUBSTANCE: invention relates to drawing of elongated blanks. Drawing mill has caterpillar-type pulling device; at that, at least one drawing tool connected with tool holder with possibility of rotation and (or) having at least two identical drawing grooves, which can be optionally specified in drawing position. Hauling machine can also be made with a unit of caterpillar drawing in the form of two caterpillar chains representing block chains, each of which is covered with a roller chain containing supporting rollers on the appropriate hold-down beam.
EFFECT: invention provides the possibility of minimizing the effect of the probable fatigue event of the material.
27 cl, 19 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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RU2481912C2 |
