Patent classifications
B21C1/305
Caterpillar-traction drawing machine and drawing method
A caterpillar-traction drawing machine and a method for drawing of elongated workpieces can be provided with at least one drawing tool fastened pivotally on a tool holder and/or with at least two identical drawing recesses, which can be brought selectively into a drawing position, so that the influence of any fatigue phenomena that may exist is minimized. For the same reason, a caterpillar-traction drawing machine is advantageous in which the two chains of the caterpillar-traction unit are block chains and are respectively braced via an idler roller chain including idler rollers on respectively one pressing beam.
PULLER APPARATUS WITH MOVABLE MOUNTING ARM
A puller apparatus has a path through which an extrusion travels downstream from an outlet of an extruder and upper and lower extrusion puller members that define a portion of the path. At least one of the extrusion puller members is a drive member to provide forward motion to an extrusion. A mounting arm is moveably mounted to the puller apparatus at a mounting location. The mounting arm has a first portion on one side of the mounting location and a second portion on an opposed side of the mounting location. The upper extrusion puller member is mounted to the first portion of the mounting arm. The mounting arm is movable from a lowered position in which the upper extrusion puller member is positioned to engage an extrusion in the path and a raised position in which the upper extrusion puller member is spaced upwardly from the lowered position.
Puller apparatus with movable mounting arm
A puller apparatus has a path through which an extrusion travels downstream from an outlet of an extruder and upper and lower extrusion puller members that define a portion of the path. At least one of the extrusion puller members is a drive member to provide forward motion to an extrusion. A mounting arm is moveably mounted to the puller apparatus at a mounting location. The mounting arm has a first portion on one side of the mounting location and a second portion on an opposed side of the mounting location. The upper extrusion puller member is mounted to the first portion of the mounting arm. The mounting arm is movable from a lowered position in which the upper extrusion puller member is positioned to engage an extrusion in the path and a raised position in which the upper extrusion puller member is spaced upwardly from the lowered position.
CATERPILLAR-TRACTION DRAWING MACHINE AND DRAWING METHOD
A caterpillar-traction drawing machine and a method for drawing of elongated workpieces can be provided with at least one drawing tool fastened pivotally on a tool holder and/or with at least two identical drawing recesses, which can be brought selectively into a drawing position, so that the influence of any fatigue phenomena at may exist is minimized. For the same reason, a caterpillar-traction drawing machine is advantageous in which the two chains of the caterpillar-traction unit are block chains and are respectively braced via an idler roller chain including idler rollers on respectively one pressing beam.