49results about How to "Stable wire feeding" patented technology

The invention discloses a stepless adjustable eccentric rotation consumable electrode gas protection welding gun. The stepless adjustable eccentric rotation consumable electrode gas protection welding gun comprises a drive device, an eccentric device, a gas protection device and electric conduction rods. The drive device comprises a hollow shaft torque motor, a connecting sleeve, an encoder and the like. The movement of the motor is accurately controlled through the encoder and the driver. The eccentric device comprises a bearing inner sleeve and an eccentric sleeve. During welding stick eccentricity achieving, a smooth transition process exists, and an overall mechanism of the welding gun is more simple and smaller in power consumption. The gas protection device is arranged at the lower end of the eccentric device. When the motor rotates, the upper electric conduction rod, the bearing inner sleeve, the eccentric sleeve and the lower electric conduction rod are driven to rotate, and the lower end of the lower electric conduction rod is connected with an electric conduction nozzle, so that a welding stick does the cylindrical rotation; by utilization of the stirring action of a rotating arc to a molten pool, the welding line structure is refined, the welding line tenacity is improved, the fusion depth of the two sides of a welding line is improved, and the forming and welding quality of the welding line is improved. The overall structure is simple, an eccentric mechanism is simplified, the application range is wide, and automation is easy to achieve.

The invention relates to small-sized wire drawing type electric arc spraying equipment used for hot spraying, which is shown in the attached drawing of the abstract. The equipment adopts the technical scheme of an inversion type spraying power supply and a wire drawing type spraying gun, the output voltage of 10 to 40V is regulated in a stepless way, and the voltage can be regulated in the spraying process without stop; a manual / automatic spraying and wire inspection / spraying switch is arranged, which is convenient to select an operation mode and avoid the occurrence of the condition that electric arcs injure people and damage equipment because of the short circuit of a wire material when the spraying wire material is installed, regulated and inspected; the spraying wire material is limited to be phi 1.0 to phi 1.6mm, the maximum spraying current is 250A, the load duration rate is 100 percent, and continuous spraying is permitted; the weight of the spraying power supply is 15kg, and the weight of the spraying gun is 1.5kg; and the equipment has the characteristics of small volume, light weight, convenient carrying, safe and reliable equipment performance, convenient use, simple operation, stable spraying quality and the like, is suitable for the field operation and the use in an occasion with small spraying space and is suitable for spraying a component with a fine and small structure and a product with a fine coating.

The present disclosure provides a multi-motor wire feeding control system and method. The multi-motor wire feeding control system includes: a plurality of wire feeding units, each wire feeding unit includes a motor, a speed sensor, a current sensor and a wire feeding driving mechanism, and the speed sensor is used to detect the speed signal of the motor, so The current sensor is used to detect the current signal of the motor, wherein, the motors of each wire feeding unit have their own speed loops, and the speed loops of each wire feeding unit operate according to the same speed command, and among the multiple wire feeding units At least part of the motors have their own current loops, and at least part of the current loops in the current loops are associated with the motor current of their own wire feeding unit and the motor current of at least one other wire feeding unit; the controller, the controller according to the speed instruction 1. The speed signal fed back by each speed sensor and the current signal fed back by each current sensor control the motors of each wire feeding unit to run at a constant speed.

The invention discloses a non-copper-plated solid welding wire for gas shielded welding. The non-copper-plated solid welding wire for gas shielded welding comprises a welding wire base body and a surface treatment layer, wherein the welding wire base body is formed by drawing of a wire rod, the surface treatment layer comprises a potassium base solid wire drawing lubricant agent left during drawing of the welding wire and high-voltage static coating oil, the amount of the remaining potassium base solid wire drawing lubricant agent is 5-10mg / m<2>, and the amount of the high-voltage static coating oil is 5-15mg / m<2>. The manufacturing method of the non-copper-plated solid welding wire for gas shielded welding comprises the steps that (1) husking, derusting, cleaning, lime coating and drying are carried out on the wire rod in sequence, (2) wire drawing reducing is carried out on the wire rod by means of a rough drawing reducing method and a finish drawing reducing method so that size requirements of a finished welding wire are met, (3) the lubricant agent on the surface of the welding wire is removed, (4) high-voltage static oil coating is carried out on the welding wire, (5) the welding wire is wound precisely and is packaged. The non-copper-plated solid welding wire has the advantages that surface treatment is even, wire feeding is stable, the electrical conductivity and rust resistance are high, and the success rate of arcing and the success rate of reignition of arc are high. The manufacturing method of the non-copper-plated solid welding wire for gas shielded welding has the advantages that discharging of waste acid, waste alkali, copper plating liquid waste and boron waste is avoided, water consumption is small, and environmental pollution is greatly reduced.

The invention belongs to the field of welding devices, particularly relates to a wire feeding system of a double-motor combined welding wire coordinating mechanism. The wire feeding system specifically comprises an upper computer (1), an interface circuit (2), a push-pull wire motor control unit (3), a push-pull wire feeding servo motor unit (4), a welding wire coordinating mechanism (5), a push wire motor unit (6) and a PWM speed adjusting circuit (7), wherein the upper computer is connected with the push-pull wire motor control unit via the interface circuit and connected with the PWM speedadjusting circuit, and used for totally controlling the whole push-pull wire feeding system; the push-pull wire motor control unit is used for closed loop control of the push-pull wire feeding servo motor unit; the PWM speed adjusting circuit is used for driving and controlling the push wire motor unit; the welding wire coordinating mechanism is an intermediate link for connecting the push wire motor unit with the push-pull wire feeding servo motor unit. The wire feeding system is mainly combined with a digital welding power source and capable of realizing various welding technological methods based on high-frequency feed-draw welding wires.