A.擠壓后套筒長(zhǎng)度應(yīng)為原筒長(zhǎng)度的1.10~1.15倍;或壓痕處套筒的外徑波動(dòng)范圍為原套筒外徑的0.7~0.8倍
B.擠壓后套筒長(zhǎng)度應(yīng)為原筒長(zhǎng)度的1.20~1.25倍;或壓痕處套筒的外徑波動(dòng)范圍為原套筒外徑的0.8~0.9倍
C.擠壓后套筒長(zhǎng)度應(yīng)為原筒長(zhǎng)度的1.10~1.15倍;或壓痕處套筒的外徑波動(dòng)范圍為原套筒外徑的0.8~0.9倍
D.擠壓后套筒長(zhǎng)度應(yīng)為原筒長(zhǎng)度的1.20~1.25倍;或壓痕處套筒的外徑波動(dòng)范圍為原套筒外徑的0.7~0.8倍