AUTOMATIC LINE FOR MAKING REINFORCEMENT GAUZES
building industry branch, possibly in plants for making reinforcement or ferroconcrete products, namely wire gauzes. SUBSTANCE: coils with wire for lengthwise rods are placed in freely rotatable coil holders whose number is equal to maximum number of lengthwise rods of gauze. Coil with wire for cros...
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Zusammenfassung: | building industry branch, possibly in plants for making reinforcement or ferroconcrete products, namely wire gauzes. SUBSTANCE: coils with wire for lengthwise rods are placed in freely rotatable coil holders whose number is equal to maximum number of lengthwise rods of gauze. Coil with wire for crosswise rods is placed in freely rotatable coil holder with possibility of uncoiling wire turn-by-turn while wire embraces coil at uncoiling. Power shaft with pressure rollers is mounted with possibility for creating traction effort for uncoiling coils of wire for lengthwise rods, moving it along guiding tubes and straightening in roller straightening apparatuses. Shaft for feeding wire of crosswise rods by predetermined length for each rod is mounted with possibility for creating traction effort for uncoiling wire and straightening it in roller straightening apparatuses. In resistance welding machine upper electrodes are secured to each cross bar in such a way that they are mutually spaced by distance corresponding to pitch between lengthwise rods of respective gauze. Each welding transformer may be connected to lower electrodes with possibility of connecting each transformer to electric current supply circuit in dependence upon pitch between lengthwise rods of made gauze and its width. Invention allows to make gauzes with different width and length and with variable pitch between lengthwise rods, possibly in the same gauze. Diameters and length values of rods in the same gauze also may be different. EFFECT: enlarged assortment and using range of gauzes. 9 dwg |
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