A New Method for Precision Repair Welding of Shaft Cylinder Roller Cylinder Drum Screw

Precision welding machine developed by Shanghai Langxian Company. Based on the technology of argon welding, major technological innovations and breakthroughs have been made. The precision of the weld repair is comparable to that of laser welding. It combines the advantages of argon welder and laser welder in repairing. It is a high-tech product that is easy to use and flexible, with high welding precision, small heat impact and fast speed. Therefore, it satisfies the technical needs of customers for repairing molds, castings and various workpieces.

Currently in the repair industry, commonly used equipment are: laser welding machine, argon arc welding machine, cold welding machine. Now the difference between our company's WS series repair welding machine is as follows:
Laser welding machine: advantages: high welding precision, small heat affected area, suitable for repair of precision molds.
Disadvantages:
1. The diameter of the welding wire is relatively small, generally 0.2mm and 0.4mm. It is difficult to repair the work with a slightly larger weld repair amount. Therefore, the welding wire is relatively expensive and the efficiency is relatively low.
2, large size, inconvenient to move, not suitable for on-site operation.
3. The welding repair needs to be operated on the workbench. The slightly larger molds and workpieces cannot be operated.
4, the damage in the welding line is more convenient, but for the irregular shape of the defect, welding repair is more difficult WS repair welding machine is to overcome the above shortcomings, the wire is suitable for diameter 0.1mm-2.0mm, can be welded smoothly Make up. Small size, light weight, easy to move, and can be operated on site.

The advantages of the argon arc welding machine: the welding material is correspondingly complete and the repairing speed is fast.
Disadvantages:
1. The heat-affected area during welding is relatively large, and the probability of the workpiece being liable to cause (down, deformation, undercut, etc.) is relatively large. Especially when it is closed, it is difficult to grasp, usually with welds, or one week of welding.
2, the welding repair accuracy is low, the mold for high precision requirements can not meet the welding requirements.
3, more mold welding repair requires preheating, heat preservation and other processes, which is cumbersome and time consuming.
4, need a wealth of operational experience, welding in a special place.

WS repair welding machine also overcomes the above shortcomings of argon welding, high welding precision, small heat impact, no need for preheating and heat preservation in the welding repair process.

Disadvantages of the cold welder:
1. Welding precision and smoothness are low. 2. There is less welding consumable. Generally, only nickel-based welding wire or tungsten carbide can be used.
3. The welding repair speed is slow and does not meet the needs of rapid production in the factory.
4, the degree of bonding after welding is low, prone to detachment.

The WS repair welder also overcomes the above points, with high welding precision, full welding consumables, fast welding repair speed, and high post-weld bonding.
WS repair welder features:
1, very high welding accuracy

Since the output current and time of the welding machine are precisely controlled, the current (2-200A) and time (1-500ms) can be adjusted arbitrarily, and the 2A small current can be stably operated. Therefore, even 0.1mm, 0.2mm welding wire can be used. Get the perfect welding. Meet the welding precision of the laser welder.

2, very small welding impact

Due to the adoption of the patented technology, the arcing current and time of the welding machine are reduced several times compared with the common argon welding, which overcomes the impact on the workpiece during the welding repair process, even for the machining surface of the workpiece without machining allowance. Repair it.

3, minimal thermal impact

Since the welding current and time are precisely controlled, the input energy can be precisely controlled, ensuring that the input energy is only sufficient for the fusion between the wire and the workpiece, without excessive energy acting on the workpiece, thus The surface of the workpiece is minimized by heat and achieves an ideal repair effect.

4, very high degree of bonding

The welding machine has a very high degree of bonding after welding, and can achieve the degree of bonding of argon arc welding. It can be applied to various processing methods, and there is no such phenomenon that the cold welding machine of other types is not firmly bonded and falls off after welding.

5, suitable for welding repair of different parts

A. Welding of holes, holes and holes in the plane.
B, slits, grooves.
C, angular, squall line, peak area.
D, sand holes and depressions around the ordinary argon arc welding.
E. Mold after repair welding, nitriding and soft nitriding.
6, the output control is accurate, using 64 for cpu control, intelligent storage, the average person can be operated with a little training, in addition its flexibility and wide adaptability make it favored by the market.

7. A wide range of welding consumables can be used for various welding wires with a diameter of 0.1-2.0 mm below HRC62. Perfect welding can be obtained for all kinds of tools below HRC62. The combination of various functions allows the combination of various functions of the perfect weld repair after the nitriding of the mold after nitriding and the edge of the edge.

Shanghai Langxian Mechanical and Electrical Equipment Co., Ltd. Prince Army Engineer 021-51606200, 15000331823

(The above content is contributed by the client company and does not represent the views of this website.)

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