Foam rubber products hi physical emaw chemical emaw foaming hmanga siam a ni a, sponge ang chi rubber porous structure products hmuh theih nan base material atan rubber hmangin siam a ni. He technology hi production industry hrang hrangah hman a ni nasa hle a, chu chu automobile door leh window seals, cushioning pads, building construction gaskets, seismic materials, sports protection facilities, etc. te a ni.
A tlangpuiin, rubber molded products chu molding processing atan a inmil mold hmanga mold a ngai a, temperature sang tak hnua rubber product, high pressure vulcanization, mold cavity emaw mold core atanga mold core atanga mold release tia hriat lar a ni. Demolding tha lo hi rubber products quality defects awm chhan pawimawh tak pakhat leh production efficiency-a nghawng a neih chhan pawimawh tak pakhat a ni. A parts distortion leh tearing ang chi defect a thlen thei a, thenkhat chuan mold pawh an tichhia a, normal production-ah harsatna an thlen thei bawk. Rubber products tihchhiatna nghawngtu thil tha lo tak takte zir chian chu thil siam chhuah quality tha tak a nih theih nan, a chhiatna tur venna tur, scrap venna tur leh thil siam chhuah thatna tur a siam that theih nan a pawimawh hle.
Rubber foaming-a quality problem leh solution awm tlangpui 1、Foaming holes 2. Filling mold tling lo 3. Foaming holes inang lo (a lian lutuk emaw, a te lutuk emaw) 4. Over-vulcanization emaw under-vulcanization emaw
Rubber product tam tak chu molded a ni a, molding hnuah, vulcanization, products qualified physical property neia thil siam chhuah, a hmel lan dan chuan defect lian tak tak a nei lo a, mahse conventional trimming method chuan product appearance requirement a siam tha thei lo, burr te te a awm thei lo, manual repair emaw scrapping emaw a awm thei a, hei hian economic waste tam tak a thlen thei a ni. Hetih lai hian, a thil siam chhuah mold clamping line structural design hi a pawimawh hle a, lip, overflow line leh overflow groove, etc. design dan tur a ni a, hetah hian sawifiah a ni lo ang, 'rubber mold design manual' tih hi i en thei ang. He thuziak hian a tum ber chu formula leh process atanga sawifiah a ni a, a chhan chu mold hi design a nih fo avangin mold (economic waste) chu a siam danglam thei lo va, a tichhe thei lo bawk a, formula siam danglam tur formula engineer a zawng fo thin a, chu chuan a process chu a thlak danglam thei a, chu chuan tearing awlsam tak a thlen thei a ni.