Paulownia dua, dua a emu yɛ hare, ɛyɛ fɛ, na ɛnyɛ den-sɛ wɔyɛ-yɛ adwuma a ɛkorɔn-, wɔde di dwuma kɛse wɔ dan mu nneɛma a wɔyɛ, nnwom nnwinnade a wɔyɛ, ne adansi ho nneɛma a wɔde siesie mu. Ɛnyɛ sɛ Paulownia nnua a wɔde yɛ adwuma yiye no ma ade a wɔawie no yɛ papa nko, na mmom ɛda ne nneɛma su adi koraa nso.
Nneɛma a wɔde di kan yɛ ho adwuma ne ade a edi kan wɔ Paulownia nnua a wɔyɛ mu. Ɛsɛ sɛ wɔde mframa-yow Paulownia nnua a wɔatwa no foforo wɔ baabi a ɛhɔ yɛ nwini na mframa pa{2}}wɔ mu ma nsuo a ɛwɔ mu no yɛ 8%-12%, na wɔkwati owia hann tẽẽ ne mpaapaemu. Ansa na wode bedi dwuma no, fa anhwea krataa pa (240-320 grit) gu nnua no ho na yi burrs a ɛrensɛe nhama a ɛwɔ soro no. Wɔ ntaaboo a ɛhia sɛ wɔde gluu gu mu ho no, wɔkamfo kyerɛ sɛ wɔde gluu fitaa bɛhyɛ nkwaa no ani na afei wɔde adwumayɛfoɔ krampɔn abɔ ho ban wɔ nhyɛsoɔ a ɛyɛ 0.5-0.8 MPa mu nnɔnhwereɛ 2-3.
Wɔ adwuma a wɔyɛ no yiye no mu no, ɛsɛ sɛ wɔde adwene si adwinnade a wɔpaw so titiriw. Sɛ wode nsa reyɛ planing a, fa planer a ɛwɔ ano baako-edged di dwuma, hwɛ 15-20℃feed angle, na hwɛ planing ahoɔhare a ɛkɔ so daa. Wɔ mfiridwuma mu no, wɔkamfo carbide nnwinnade kyerɛ, a ahoɔhare yɛ 1200-1500 rpm. Di kan fa nsuo gu baabi a atwa beaeɛ a wɔretu fam no ho ahyia na amma nnua no nhama no antetew. Sɛ wɔde nsuo a wɔde yɛ nnua a wɔde yɛ nsuo gu so a, ɛkora paulownia nnua a ɛyɛ abɔdeɛ mu aba so yie sene atetesɛm mu paint. Dodow a ɛfata a wɔde di dwuma ne 80-100g/m.
Wɔ nsaanodwuma titiriw mu no, sɛ wɔreyɛ nnwom nnwinnade soundboards a, wɔkora 0.8-1.2mm heartwood layer, na wonya aburow tenten denam quarter-sawn processing so. Wɔ dan mu nneɛma a wɔyɛ mu no, wɔtaa de mortise ne tenon nkwaa di dwuma sen sɛ wɔde dade a wɔde kyekyere nneɛma bedi dwuma de akyerɛ sɛnea nnua no yɛ den yiye. Sɛ wopɛ sɛ wodi adwini a, wɔkamfo kyerɛ sɛ di kan de pɛnsere twetwe nsusuwso no, afei fa afiri a ɛyɛ tratraa yɛ adwuma wɔ ntoatoaso, fi nea emu nnɔ so kosi nea emu dɔ so.
Paulownia nnua a wɔyɛ ho adwuma no yɛ adeyɛ a ɛyɛ adwuma bom titiriw wɔ nneɛma a ɛwɔ nneɛma ne nsaanodwuma ntam. Ɛsɛ sɛ wɔn a wɔyɛ adwuma no di nnyinasosɛm atitiriw a ɛfa nnua a wɔde yɛ adwuma ho no so bere a wɔsakra mfiridwuma mu nsɛm a ɛyɛ mmerɛw sɛnea wɔde di dwuma tebea pɔtee bi te na ama wɔanya kari pɛ a edi mũ wɔ nneɛma a wɔde yɛ adwuma ne adwinni bo a ɛsom no ntam.
