The expansion tube of the crankshaft of the large and medium-sized compressor crankshafts has been always used with tapered irons. The two are at the nozzles on both sides of the circulating oil pipe. At the same time, after the hammer is swollen, there are obvious traces of collision at the nozzle. Through years of production practice, we have developed a simple and practical expansion tube tool, which can complete the expansion tube work by one person, which not only improves the labor productivity, but also improves the surface quality of the nozzle. Now introduced as follows:
stone carving is a collection of creative, design, production of various works of art. Nowadays, natural stone is widely used by people, taking nature as beauty, and is used at the gate of schools, gardens and green belts, and at the gate of government agencies and units. Stone carving has a variety of design techniques, including relief, round carving, sink carving, shadow carving, engraving and openwork carving.
Landscape Boulders,Large Landscape Boulders,Fake Landscape Boulders,Decorative Landscape Boulders
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