Yes you have right. We used a pre cut on the plate, but its only work when plasticity wasnt too big. We use pre cut for deleted rest of stresses our milling machine is really old and we dont use a clamping on a flat plate . Thank for support.
Hi, this is material spec:
Sn 3,50 - 4,50%
P 0,01 - 0,010%
Zn < 0,30%
this is not a stresses problem.
A few days ago i received test results for this strip from 2 independent institutes and result are correct, Problem is in a extension test. we controled 3 indexes:
Rp0,2
Rm
A50
test...
Hello , This is my firt post, sorry for eventually shortcoming.
I have very old problem, during milling process strip make wavy and i dont know what I should done in this case. I try everything: strip expansion, seasoning, change milling cutter and nothing, please help me
Hi. Many thaks for yours support. In black stains case, I have a pictures and if its possible send you by mail or attached to post but im not sure that is possible? What you think about it? By the way I measure a Tin on the black stains and normal value in 8-12 micro but on stains is 3,5. ist...
Hello All. This is my first thread and please be lenient. I have a problem with rack plating. my supplier produce for my shells with tin cover - rack plating. In places when shells have contact with rack tin have value below tolerance and appear a black stains. Will great iif somebody will help...