????????
?? ????л??????????????????????????????????? ??????????????????????
?? ??J21S-20???????????庸????????????????????? ????????????
?? ????л?????JD21???????????????JD21??в??????? ???????
Performances and characteristics
?? This series is an open-type fixed table press machine with the throat
depth increased. It allows large space for operation, and is suitable
for the stamping process of plates in large sizes;
?? Steel plates welded as machine bodies for all models except J21S-20,
internal stress removed, high strength and high rigidity;
?? This series is evolved from JD21 series, and has the same structure and features as JD21.
J21S-25A~125A?????н??????????????????????????鼱???0??-135???Χ??????????????????
???????????????У?????????????????????á????????????????????в???′????????????????Э???????????????????
?????????J23?崲???
??15206276688