Wɔnam honam fam anaa nnuru foaming kwan so na ɛyɛ foam rɔba nneɛma a rɔba yɛ ade a wɔde gyina so na ama wɔanya rɔba a ɛte sɛ sponge a ɛwɔ porous structure nneɛma. Wɔde saa mfiridwuma yi adi dwuma kɛse wɔ nnwuma ahorow a wɔyɛ mu, te sɛ kar pon ne mfɛnsere nsɔano, cushioning pads, adansi gaskets, asasewosow nneɛma, agumadi ahobammɔ mmeae, ne nea ɛkeka ho.
Mpɛn pii no, ɛsɛ sɛ wɔde rɔba nwene nneɛma fa nkuku a ɛne no hyia no so nwene ma nkuku ho adwuma, rɔba ade bi akyi ɔhyew a ɛkɔ soro, nhyɛso kɛse vulcanization, fi nkuku abura anaa nkuku no mu no yɛ nea wɔtaa frɛ no nkuku a wɔayi no adi. Demolding a ɛnkɔ yiye yɛ ade titiriw biako nti a rɔba nneɛma no yɛ sintɔ ne nkɛntɛnso a enya wɔ nneɛma a wɔyɛ no yiye so no mu biako. Ebetumi de sintɔ ahorow te sɛ afã horow a ɛkyinkyim ne nea ɛtetew aba, na ebinom mpo sɛe nkuku no, na ɛde ɔhaw ba nneɛma a wɔyɛ no sɛnea ɛsɛ mu. Nneɛma a enye a ɛka rɔba nneɛma a wɔpopa no ho adesua ho hia kɛse na ama wɔahwɛ ahu sɛ nneɛma no ye, asiw sintɔ ano, asiw nneɛma a asɛe ano, na ama nneɛma a wɔyɛ no atu mpɔn.
Ɔhaw ahorow a ɛtaa ba wɔ su pa ne ano aduru mu wɔ rɔba foaming mu 1、Insufficient foaming holes 2. Insufficient filling mold 3. Uneven foaming ntokuru (kɛse dodo anaa ketewa dodo) 4. over-vulcanization anaasɛ under-vulcanization
Wɔyɛ rɔba nneɛma pii nwene, na bere a wɔayɛ no akyi no, vulcanization de anya nneɛma a ɛwɔ honam fam su a ɛfata, sɛnea ade no te no nni sintɔ akɛse, nanso ɔkwan a wɔfa so twitwa nneɛma a wɔtaa fa so no ntumi nsiesie sɛnea ade no te sɛ nea wɔhwehwɛ no, burrs nketewa wɔ hɔ a wontumi nyi mfi hɔ, nsa a wɔde siesie anaasɛ wɔsɛe no no de sikasɛm mu ɔsɛe pii ba. Saa bere yi, structure design a mold clamping line of the product ho hia titiriw, sɛnea wɔyɛ anofafa, overflow line ne overflow groove, ne nea ɛkeka ho, wɔrenkyerɛkyerɛ mu wɔ ha, wubetumi ahwɛ 'Rubber Mould Design Manual'. Asɛm yi adwene ne sɛ ɛbɛkyerɛkyerɛ mu afi formula ne ɔkwan a wɔfa so yɛ no mu, efisɛ wɔtaa yɛ nkuku no ntumi ntaa nsakra anaasɛ nsɛe nkuku no (sikasɛm mu nwura), mpɛn pii no hwehwɛ nkuku ho mfiridwumayɛfo a ɔbɛsesa nkuku no anaasɛ ɔbɛsesa ɔkwan a wɔfa so yɛ no na ama ayɛ mmerɛw sɛ ɛbɛtetew.