薄壁管的批量弯制,一般都在弯管机上冷弯成型。轮式弯管机与其它弯管机相比较,具有很多优点。但是在弯制大管径管材时,易出现瘪皱,故往往仅限在Φ25mm以下的管材使用。根据我们的实践证明,如对其弯形模具——固定胎轮与滚动胎轮的参数和滚动胎轮与导轮的装配位置作些适当的调整与改进,将能扩大使用范围。 Thin-walled tube bulk bending, bending machines are generally cold forming. Wheel bender compared with other bender, has many advantages. However, in the bending of large diameter pipe, easy to shriveled, it is often limited to Φ25mm below the use of the pipe. According to our practice, such as the bending mold - fixed tire and rolling tire parameters and rolling wheel and guide wheel assembly position to make some appropriate adjustments and improvements, will be able to expand the scope of use.