Metalworking industry hta core process equipment langai hku nna, stamping dies ni a hkrang shapraw ai lam hte galaw shapraw ai atsam gaw, galaw shapraw ai arung arai ni a hkrak ai lam, galaw shapraw ai atsam, manu jahpu hpe hkang lu ai lam ni hpe hkrak hkrak hkra machyi shangun ai. Shaning law law na tatut mahkrum madup ni hpe lakap nna, ndai sumhpa hta ahkyak ai lam ni kaw nna ahkyak ai hpaji masa lam nkau mi hpe kadun dawk tsun dan da ai.
Die structure design gaw bungli galaw ai lam hte gram lajang ai lam hpe rap ra hkra galaw ra ai. Hkrak ai hkrang ni lawm ai daw ni hpe stamp galaw ai shaloi, multi-station rawt jat galu kaba wa ai die layout hpe ra sharawng ai. Springback shut ai lam hpe shayawm na matu, segmented blanking hte bending ngu ai rational sequence hpe jai lang ai. Ga shadawn, n-gun n rawng ai n-gang lawm ai sung ai sumla hkrung galaw ai lam ni a matu, die radius hta sau htu ai n-gang ni hpe bang nna, n-gun n rawng ai hpe grau kaja hkra galaw na matu carbide inserts ni hpe lang ra ai. Loi ai hku hpawng de na hte garan na matu mung ahkyak ai. Guide pin hte sleeve lapran na clearance hpe 0.01-0.03mm laman hta hkang ra ai, dai hku nna hkrak hkrak lam madun lu na matu hte hpang na gram lajang ai lam hpe loi ai hku galaw lu na matu re.
Material lata ai lam hte heat treatment galaw ai lam gaw die prat hpe hkrak hkra machyi shangun ai. Cr12MoV (sh) SKD11 steel hpe la hte num dies ni a matu lang ai. Heat treatment hardness hpe bungli galaw ai shara hta HRC 58-62 du hkra layers- hte n--stress galaw ai shara hta HRC 45 grup yin de hkrat sum hkra hkang ra ai, dai hku nna brittle cracking byin wa na masa hpe koi gam ra ai. Hpa majaw nga yang, n-gun kaba ai hku galaw shapraw na matu, TD coating (sh) PVD coating hpe mold ntsa e bang na matu hpaji jaw da ai, dai gaw adhesive n-gun hpe grai shatsaw ya lu ai.
Grau nna, bungli galaw hpang ai aten hta mahkrum madup ni hpe mahkawng da na matu grai ahkyak nga ai. Shawng nnan na mold chyam dinglik ai aten hta, arung arai lwi ai hpe yu na matu myit maju jung nna, blank holder force hpe gram lajang ai (sh) drawbeads ni hpe jat bang ai hku nna, n-gun n rawng ai lam ni hpe yeng seng kau u. Burrs ni pru wa yang, gap uniformity hpe jep yu u, n-gun 5% kaw nna 12% du hkra rai nga ai. Dai hta n-ga, blue powder smearing ladat hpe lang nna, matut mahkai ai lam hta hkrak ai hpe chyam yu ai shaloi, pin offset hpe tam ai zawn re ai makoi da ai mara ni hpe atsawm sha mu lu ai.
Stamping dies ni hpe galaw shapraw na matu theory hte practice hpe sung sung hpawng de ra ai. Details ni hpe matut manoi gram lajang nna, madang dep ai database hpe gawgap ai hku nna sha, quality tsaw ai hte tsaw ai n-gun atsam lapran hta rap ra ai lam hpe lu la mai ai.
