Seamless welding technology application and development

The application of seamless welding technology:

Seamless welding technology in welding mold welding shows excellent performance, improve the accuracy of the parts, smoothness and appearance of the handsome sex, shorten the mould manufacturing cycle. Overcome the appear in the welding process has the defects of seam and effect the beauty of the mould.

Now with the global market's growing demand for high quality parts, can improve the parts precision seamless welding technology is more and more favour. The seamless welding technology, not only can help eliminate mold weld, also enhances the precision of parts accordingly, smoothness and appearance is considerable. At the same time, the  welding technology of welded steel pipe implemented effective control in the process of plastic injection forming, shorten the mould processing cycle. Due to the production of the product has excellent surface finish, so there is no need to use the secondary plating and annealing, also avoids the size change due to secondary shrinkage.

In the mold production technology of the past, near the surface of the cooling pipe layout in the mold, the product surface finish is not uniform. In some relatively new technology, through the mold core and cavity cooling pipeline of water near the resin injection area, can make the products have good quality assurance.

The development of the seamless welding technology:

New seamless welding technology adopted modern machine tools and some of the new technology. According to the technological requirements of the new technology, processing similar mesh mold core and cavity, in order to avoid its mobile and the second clamping, use the fourth axis milling machine tool, so that we can improve the tolerance dimension precision. Plate finned and water chamber cooling mild steel pipe have been more widely used, further improve the product quality and seamless welded finish.

The emergence of new seamless welding technology using a die channel design of a variety of changes and polyhedron vertical machining center milling is possible. In the actual mold forming process, the change of the die channel design can help to control the best temperature change mould heating and cooling.

Through to the important pitch diameter infiltration room for milling, can keep temperature fluctuations within 60 ℃. These infiltration room at the back of the cavity are milling, shape and cavity is consistent, can be used as high pressure steam and cooling water channel, can have cavity on the surface of the heat conduction effect, make temperature distribution more uniform, to maintain the change of temperature, to control the rate of temperature fluctuations.

Application seamless welding technology will not make workpiece warping and deformation occurs, the cavity and the mold core mold side matching don't cause any problems. In addition, due to the workpiece can be tilted, avoid using only the ball milling cutter for face processing, prolong the service life of the cutter.

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