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机(ji)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)技艺需(xu)要(yao)可构成(cheng)(cheng)区(qu)(qu)分(fen)(fen)(fen)(fen)处理多种(zhong)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)时和压(ya)延成(cheng)(cheng)型多种(zhong)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)时（又分(fen)(fen)(fen)(fen🌠)弯曲变形(xing)几(ji)率、拉(la)深、压(ya)延成(cheng)(cheng)型）两种(zhong)类。区(qu)(qu)分(fen)(fen)(fen)(fen)处理多种(zhong)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)时是在(zai)机(ji)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)时中(zhong)使机(ji)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)件(jian)与坯(pi)料(liao)沿一段(duan)(duan)程度(du)的(de)(de)局部线(xian)充分(fen)(fen)(fen)(fen)区(qu)(qu)分(fen)(fen)(fen)(fen)处理，也机(ji)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)件(jian)区(qu)(qu)分(fen)(fen)(fen)(fen)处理截面的(de)(de)品质要(yao)充分(fen)(fen)(fen)(fen)考(kao)虑一段(duan)(duan)程度(du)的(de)(de)需(xu)要(yao)；压(ya)延成(cheng)(cheng)型多种(zhong)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)时是使机(ji)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)坯(pi)料(liao)已不破(po)碎(sui)的(de)(de)的(de)(de)条件(jian)发放生蠕(ru)变变形(xing)几(ji)率，并转为成(cheng)(cheng)所需(xu)要(yao)的(de)(de)机(ji)器设备(bei)形(xing)态，也也应充分(fen)(fen)(fen)(fen)考(kao)虑大小(xiao)公差等领(ling)域的(de)(de)需(xu)要(yao)。
通过冷(leng)(leng)挤(ji)压(ya)时的(de)(de)溫度(du)原因有冷(leng)(leng)冷(leng)(leng)挤(ji)压(ya)和热(re)冷(leng)(leng)挤(ji)压(ya)俩种途(tu)径。这依赖于于建(jian)材的(de)(de)屈服强(qiang)度(du)、塑型、它(ta)的(de)(de)厚度(du)、开(kai)裂(lie)阶段包括主设备实力等，此外应(ying)考虑(lv)建(jian)材的(de)(de)原使热(re)补救模式和最终能(neng)🦩够(gou)运用(yong)要求。
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