46results about How to "Easy welding process" patented technology

The invention discloses a method for welding titanium and steel by applying the high-entropy effect. A folded middle-layer alloy foil is arranged between a titanium plate to be welded and a steel plate to be welded, and the welding operation is carried out by adopting a resistance spot-welding mode, then the interface resistance heat melts the middle-layer alloy and local base materials, and the molten metals are mixed, so that the high-performance welding of titanium and steel is realized. The invention also discloses a middle-layer alloy and a preparation method of the middle-layer alloy. The middle-layer alloy comprises the following components in the terms of atomic percent: 20-30% of Al, 35-40% of Ni and 35-40% of Cu, wherein the total percent is 100%. The invention has the advantages that the middle-layer alloy is well matched with the titanium and the alloy steel in welding, welding seams (nugget) are single-phase fcc solid-solution structures, and the comprehensive mechanical performance of joints is obviously improved. The preparation method of the middle-layer alloy foil is simple in process and low in manufacturing cost.

The invention discloses a tank body welding robot. The tank body welding robot comprises a base, wherein a tank body support driving assembly is arranged at one end of the base; base guide rails are arranged on the two sides of the base, a tank body supporting assembly is arranged at the other end of the base, the tank body supporting assembly comprises a supporting table bottom plate arranged onthe base guide rails and a second supporting table arranged on the supporting table bottom plate, a second bearing block is arranged on the second supporting table, and a second rotating shaft with asecond three-jaw chuck is arranged in the second bearing block; an X-axis cross beam is arranged on one side of the base, a welding assembly is arranged on the X-axis cross beam, the welding assemblycomprises a top surface X-axis guide rail, the top surface X-axis guide rail is laid on the top surface of the X-axis cross beam, an X-axis rack is laid on the outer side surface of the X-axis cross beam, and an L-shaped sliding plate cross arm is arranged on the top surface X-axis guide rail; and an X-axis driving motor with an X-axis driving gear is arranged on the L-shaped sliding plate cross arm, a Z-axis electric sliding table is arranged on the L-shaped sliding plate, a welding gun mounting base is arranged on a sliding table sliding block, a position fine adjusting assembly is arrangedon the welding gun mounting base, and the position fine adjusting assembly is provided with a welding gun. The tank body welding robot is suitable for welding of the tank body.

The invention discloses a method for welding titanium and steel by applying the high-entropy effect. A folded middle-layer alloy foil is arranged between a titanium plate to be welded and a steel plate to be welded, and the welding operation is carried out by adopting a resistance spot-welding mode, then the interface resistance heat melts the middle-layer alloy and local base materials, and the molten metals are mixed, so that the high-performance welding of titanium and steel is realized. The invention also discloses a middle-layer alloy and a preparation method of the middle-layer alloy. The middle-layer alloy comprises the following components in the terms of atomic percent: 20-30% of Al, 35-40% of Ni and 35-40% of Cu, wherein the total percent is 100%. The invention has the advantages that the middle-layer alloy is well matched with the titanium and the alloy steel in welding, welding seams (nugget) are single-phase fcc solid-solution structures, and the comprehensive mechanical performance of joints is obviously improved. The preparation method of the middle-layer alloy foil is simple in process and low in manufacturing cost.

The invention discloses a high-entropy interlayer alloy, which comprises the following components in atomic percentage: 5-10% of Ti, 5-10% of Fe, 25-30% of Al, 15-20% of Ni, 30-35% of Cu and 5-10% of Cr. The invention also discloses a method for welding TA2 / 0Cr18Ni9Ti by the high-entropy effect, which comprises the following steps that: high-entropy interlayer alloy is placed between the two plates to be welded, the high-entropy interlayer alloy is in a foil folding structure, and the high-entropy interlayer alloy and local parent metal are subjected to heat fusing by an interface resistor in a resistance spot welding mode, so that the high performance welding of TA2 / 0Cr18Ni9Ti can be realized. According to the method and the high-entropy interlayer alloy of the method, which are disclosed by the invention, the high-entropy interlayer alloy has the advantages of favorable strength, toughness and corrosion resistance, is easy to process and form and is convenient to weld and assembly. The preparation method has the advantages of simple step and low manufacture cost and is convenient to popularize.

An ultrasonic flaw detection is performed to a welded portion 2 of a pipe body 1 in at least a pipe axis direction, a defect detection threshold value is determined based on the signal intensity difference between the total area of the defects existing in the region of an ultrasonic beam on a welded surface and an artificial defect, and a quality control of the pipe body is performed based on the defect detection threshold value. An equivalent defect diameter is determined from the defect density, which is determined from a desired quality level, on the welded surface of the welded portion of the pipe body in a pipe axis direction and the area of the ultrasonic beam on the welded surface based on the total area of the defects existing in the region of the ultrasonic beam, and the defect detection threshold value is determined based on the equivalent defect diameter and the signal intensity difference of the artificial defect.

The invention provides a button cell and a preparation method thereof. The button cell comprises a shell and a roll core; the shell comprises a shell body and a top cover assembly, and the shell body and the top cover assembly jointly define a containing cavity used for containing the roll core; the roll core comprises a first tab and a second tab, the first tab is in welded connection with the bottom wall of the shell body, and the second tab is connected with the top cover; the top cover is provided with a liquid injection hole, and the liquid injection hole is at least partially overlapped with the cavity of the roll core; and the welding marks of the first tab and the bottom wall are positioned in the overlapped part of the bottom wall, the cavity and the liquid injection hole. According to the invention, the quality and performance of the button cell can meet the requirements, and the yield of the button cell can be improved.

A device for pressure-welding a printing circuit comprising a platform with a supporting surface; the supporting surface is a supporting substrate moving and picking up the substrate to a pressure-welding procedure position; the printing circuit is a pressure-welding substrate; a pressing head provided on the pressure-welding procedure position which can be raised absorbing the printing circuit and being pressure-welded to the substrate opposite to the printing circuit absorbed by the substrate; a device for obtaining the checking video information; at least a chip mark forming on the printing circuit for simultaneous shooting on at least one glass mark on the substrate to obtain the checking video information; thereby, the printing circuit is pressure-welded to the substrate by a simple and convenient method, and processing time of the pressure-welding procedure is shortened to achieve the high-speed pressure-welding procedure.

The invention relates to an OCT guide pipe welding tool which comprises a base (6). The OCT guide pipe welding tool is characterized in that linear guideway fixing seats (5) are arranged at two ends of the base (6); the linear guideway fixing seat (5) at one end is fixed into the base (6); the linear guideway fixing seat (5) at the other end is connected with a displacement platform (1) and can move opposite to the first linear guideway fixing seat (5) under the drive of a displacement platform (1); linear guideways (4) are arranged on the linear guideway fixing seats (5); sliding blocks (3) are arranged on the linear guideways (4); air cylinder fixing seats (2) are arranged on the sliding blocks (3); air cylinders (8) are arranged on the air cylinder fixing seats (2); guide pipe fixture fixing seats (7) are arranged on air cylinder rods of the air cylinders (8); and fixtures for clamping guide pipes (9) are arranged on the guide pipe fixture fixing seats (7). According to the OCT guide pipe welding tool provided by the invention, the urgent production need is met, the production efficiency is favorably improved, and the processing quality is ensured.