Nhwɛsoɔ: 0 Ɔkyerɛwfoɔ: Site Editor Bere a wɔde tintimii: 2026-10-24 Mfiase: Beaeɛ
Nkyerɛwde mu mfomso ketewaa bi betumi asɛe CNC adwuma a anka ɛyɛ pɛpɛɛpɛ. Mfiri kɛse ntaa mma. Ɔhaw ahorow a ɛtaa ba ne bit a ɛnteɛ, Z-zero a enye, anaa nhyehyɛe a ɛmfata.
Desktop CNC Engraving Machine betumi ayɛ nsɛnkyerɛnne, din nkrataa, PCB nsɛnkyerɛnne, akyɛde, ne nhwɛsode ahorow. Nanso, ade biara hia ɔkwan soronko a wɔfa so twa.
Saa akwankyerɛ yi kyerɛkyerɛ engraving bits, nneɛma a wɔpaw, depth control, ne project ideas a mfaso wɔ so. Wubetumi nso asua sɛnea wobɛsɔ nhyehyɛe ahorow ahwɛ ansa na wode wo ho ato asiane mu wɔ stock a ɛsom bo mu.
Desktop CNC engraving afiri di coordinates akyi sen sɛ wubedi wo nsa akyi. Nea edi kan no, CAD softwea yɛ nkyerɛwee, vectors, kotoku, anaa nsusuwii ahorow a ɛwɔ afã abiɛsa. Afei CAM softwea no de adwinnade bi, twa mu bun, aduan a wɔde ma, spindle ahoɔhare, ne adwinnade kwan ma. Controller no kenkan G-code a efi mu ba no na ɔde X, Y, ne Z axes no tu.
Mpɛn pii no, nkyerɛwee a ɛnyɛ den di vector mfinimfini nkyerɛwde anaa V-carve mmeae a wɔato mu akyi. Sɛ wotwa afã horow a, ɛhwehwɛ sɛ wɔyɛ emu ne akyi profile, tabs, ne bun pii a wɔfa. Mmoa adwuma de nnwinnade akwan a ɛyɛ roughing ne finishing ka ho. Saa nsonsonoe ahorow no ntease mma sɛ graving bit a ɛkɔ akyiri anyɛ adwinnade a ɛmfata a wɔde yɛ roughing.
Beae a wɔyɛ adwuma no na ɛkyerɛ fã kɛse no ara, nanso ɛnkyerɛ sɛ wɔbɛyɛ adwuma yiye. Ɛsɛ sɛ Z akwantuo no fata stock, spoilboard, adwinnadeɛ tenten, ne ahobanbɔ clearance. Spindle tumi, collet kɛse, frame rigidity, drive system, controller, ne software nso na ɛkyerɛ anohyeto ahorow a mfaso wɔ so no.
Huajiang fii ase yɛɛ CNC engraving spindle motors wɔ afe 2000 mu na akyiri yi ɔtrɛw mu bɛyɛɛ VFD ne engraving mfiri. Ɛyɛ Zhong Hua Jiang CNC engraving mfiri ahorow mprempren ka compact 1610 ne 3018 mfonini ahorow denam akɛse desktop formats. Saa kwan no kyerɛ nea enti a ɛsɛ sɛ adetɔfo de nhyehyɛe ahorow toto ho, sen sɛ wɔde wɔn ho bɛto mfonini no din nkutoo so.
Ansa na wobɛtwa nea edi kan no, wie nhyehyɛe tiawa yi:
Hwɛ sɛnea kankyee ne nnwinnade a wɔde yɛ adwuma. Twe collet no mu den, afei hwɛ axis biara mu sɛ ebia akwantu a wontua hwee anaa. Si so dua sɛ bit no ntumi nkɔbɔ clamps, screws, anaa akwantu anohyeto ahorow.
Siesie baabi a ɛyɛ den. Siesie mpa ne spoilboard no ansa na woakyekyere flat stock. Nneɛma nketenkete mpo tumi ma adwuma a ɛyɛ tratraa bi dannan na ɛsakra sɛnea nkyerɛwee no mu dɔ.
Si dwumadi no so dua. Fa units, mfiase, adwinnade nɔma, spindle akwankyerɛ, ne nneɛma no kɛse hyia. Tu mmirika fa mframa a ɛkɔ soro wɔ soro ansa na woatwitwa.
Paw afiri ketewaa bi a ɛfata nnwuma a wɔsan yɛ no yiye. Rigidity a ɛboro so ne spindle tumi ho hia bere a wɔatwitwa a emu dɔ, nnwinnade akɛse, anaa dade a ɛyɛ mmerɛw hyɛn nhyehyɛe no mu no.
CNC engraving bits yɛ nnwuma ahorow. V-bit ma nkyerɛwde a ano yɛ nnam ne beveled grooves. Nea wɔatwa no trɛw bere a ɛkɔ akyiri no. Ahinanan nketewa du nsɛm a ɛyɛ teateaa ho, bere a ahinanan akɛse no ma wonya nsensanee a ɛtrɛw.
Solid-carbide cutters di nsensanee nketenkete, serial numbers, ne PCB isolation akwan ho dwuma. Mills a ɛyɛ tratraa twa kotoku, slots, ne fam a ɛyɛ tratraa. Ball-nose nnwinnade wie reliefs ne curved surfaces. Diamond adwinnade bi a spring wom hyɛ nneɛma a ɛyɛ den agyirae a enni spindle a ɛkyinkyini.
Bit type na ɛwɔ hɔ |
Fa di dwuma yiye |
Nhyɛso a ɛho hia |
30°–60° V-bit na ɛwɔ hɔ |
Nsɛm a wɔakyerɛw no fɛfɛɛfɛ, logos, grooves teateaa |
Surface flatness ne Z-bun a ɛnyɛ den |
90° V-bit na ɛwɔ hɔ |
Nkyerɛwde a ɛyɛ den, chamfers, nsɛnkyerɛnne |
Depth na ɛhwɛ line trɛw a etwa to no so |
Flat end mill a ɛyɛ fɛ |
Kotoku, profile, slots, clearing |
Chip adesoa ne pass bun |
Ball-nose awiei afiri a wɔde yɛ nneɛma |
3D reliefs ne contours a ɛyɛ mmerɛw |
Stepover ketewaa bi a ɛbɛma woawie yiye |
O-sanku a wɔde sanku biako bɔ |
Acrylic ne plastic pii |
Chip evacuation a emu yɛ den ma melting so tew |
Diamond twetwe bit |
Nneɛma a ɛyɛ den anaa nea wɔakata so agyiraehyɛde a ɛwɔ soro |
Ahohuru bere mu nhyɛso; spindle no da so ara yɛ adwuma |
Nnwinnade a wɔatwitwa no yiyi nsensanee no fi hɔ yiye, nanso ebetumi ama nnua nhama so wɔ soro ano. Nnwinnade a wɔatwa no fam no mia nhama no kɔ fam na ɛbɔ nea wotumi hu no ho ban. Nanso, chips betumi ayɛ pack wɔ slots a emu dɔ mu. Nnwinnade a wɔde mia so bɔ anim abien no nyinaa ho ban bere a nea wɔatwa no mu dɔ no akɔfa sanku no akwankyerɛ abien no nyinaa ho no.
Fa bit a ɛsõ sen biara a ɛda so ara du biribiara a wɔhwehwɛ ho no di dwuma. Diameters akɛse ko tia deflection na eyi nneɛma fi hɔ ntɛmntɛm. Nkwammoaa nketenkete hia akwan a emu nnɔ, wɔde ahwɛyiye ma wɔn aduan, ne chip a ɛho tew a wɔde yi fi hɔ. Wɔsan nso bubu ntɛmntɛm bere a wɔahwe ase, abɔ, anaasɛ adwuma a wɔde yɛ adwuma a enni ahobammɔ yiye akyi.
Kit a mfaso wɔ so no bi ne V-bit abien ne flat end mills abien. Fa O-flute cutter ma acrylic anaa ball-nose adwinnade ma reliefs ka ho. Si shank kɛse ne sanku tenten a wotumi de di dwuma no so dua ansa na woayɛ nhyehyɛe.
Wei CNC Engraving Guide: Tools, Bits & Tips ma mfasoɔ wɔ aniwa so nsɛm a ɛfa V-carving, rotary engraving, ne diamond-drag agyiraeɛhyɛdeɛ. Nanso, fi ase adwinnade biara a wunnim wɔ nneɛma a wɔabubu so. Adwinnade geometry, spindle runout, material batch, ne mfiri rigidity betumi asesa nea efi mu ba.
Aburow akwankyerɛ betumi atwe nsɛm nketenkete afi nnua mu. Nnua a ɛyɛ den a ɛyɛ den no kura nkyerɛwde a ɛyɛ fɛ yiye sen stock a ɛyɛ mmerɛw na ɛnyɛ pɛpɛɛpɛ. V-bit bi fata nsɛm a wɔde asiesie. Nnwinnade a wɔde twa fam no bɔ anim a ɛwɔ soro no ho ban, bere a nnwinnade a wɔde mia so boa ma plywood ho tew.
MDF kyerɛw nsɛm bere nyinaa efisɛ enni aburow. Fa aduru a etu mpɔn a wɔde yi fi mu ne ɔhome ho ahobammɔ fi ne mfutuma fɛfɛ no ho di dwuma. Plywood su gu ahorow wɔ veneer, gluu, ne emu nneɛma a ɛda hɔ no mu. Di kan sɔ krataa no ankasa hwɛ.
Cast acrylic taa yɛ mfiri a ɛho tew sen plastic a ɛyɛ mmerɛw. Fa O-flute adwinnade a ano yɛ nnam di dwuma, yi nsensanee no fi hɔ bere nyinaa, na siw sɛ ɛbɛpetepete so. Melting taa kyerɛ sɛ chip evacuation a enye, adwinnade a ɛyɛ dull, anaasɛ parameters a ɛmfata.
Mfiridwuma mu plastic a ɛyɛ den tumi kura agyiraehyɛde ahorow a ɛkɔ akyiri. Polyethylene a ɛyɛ mmerɛw betumi abɔ anaasɛ ɛbɛpetepete so. Fa nkratafa a ɛyɛ tratraa no hyɛ mu pɛpɛɛpɛ a worenkotow wɔn mfinimfini. Yi sini biara a ebetumi abɔ nea wɔde twa ade no ho.
Atadeɛ |
Adwinnade a ɛfata a wɔde fi ase |
Ɔhaw a ɛtaa ba |
Nsakrae a edi kan |
Nnua a ɛyɛ den |
V-bit anaa downcut awiei mill |
Aburow a ɛyɛ fuzzy |
Sesa adwinnade no na sesa ɔkwan a wɔfa so twa no |
MDF |
V-bit anaasɛ flat awiei mill |
Mfutuma pa a ɛwɔ mframa mu |
Tu mpɔn wɔ nea woyi fi mu no mu na tew nea wɔsan twa no so |
Plywood a wɔde yɛ nneɛma |
Downcut anaasɛ compression bit |
Veneer a wɔtetew mu |
Sɔ sanku akwankyerɛ hwɛ wɔ scrap so |
Cast acrylic a wɔde gu mu |
O-sanku a wɔde sanku biako bɔ |
Nsu a wɔayam anaasɛ wɔde weld ayɛ |
Tu mpɔn wɔ chip clearing mu na siw rubbing ano |
PCB laminate a wɔde yɛ nneɛma |
Fine engraving cutter |
Tew a wɔatew wɔn ho no trɛw a ɛnyɛ pɛpɛɛpɛ |
Level board no na teɛteɛ Z-zero |
Aluminium anaa kɔbere |
Carbide awiei owiyammo anaasɛ engraver |
Chatter, burrs, ɔhyew |
Tew engagement so na ma rigidity tu mpɔn |
PCB isolation milling hia flat board efisɛ nsakrae nketenkete Z sesa trace trɛw. Aluminium ne kɔbere hwehwɛ sɛ wɔyɛ katee, wɔde adwumayɛbea a ahobammɔ wom, wɔde carbide nnwinnade, ne chip a wɔahyɛ so a woyi fi hɔ. Fa wɔn sɛ nnwuma a emu nnɔ gye sɛ afiri no kyerɛ pii.
Sɛ nhwɛso no, a Zhong Hua Jiang 3020 desktop CNC router no kyerɛw 210 × 300 × 60 mm adwumayɛbea, bɔɔl screws, ne spindle ahorow pii a wɔpaw. Ne kratafa no yɛ nnua, acrylic, PCB, aluminium, ne kɔbere. Ɛsɛ sɛ adetɔfo da so ara si nhyehyɛe a wɔapaw no so dua na wɔma nhyehyɛe ahorow a ɛfa nneɛma pɔtee bi ho no yɛ nokware ansa na wɔayɛ.
Engraving bun fi ase ansa na spindle no afi ase. Chips a ɛwɔ stock no ase, bowed board, anaasɛ clamp pressure a ɛnyɛ pɛpɛɛpɛ sesa surface no sorokɔ. Siesie mpa no so, fa spoilboard no so bere a ɛho hia no, na fa adwuma no hyɛ mu yiye a ɛnkyinkyim. PCB ne acrylic nkratafa a ɛyɛ tratraa taa hia mmoa wɔ wɔn beae nyinaa.
Set Z-zero fi reference koro no ara a wɔde di dwuma wɔ CAM mu no mu. Touch probe ma sɛnea wɔsan yɛ no tu mpɔn bere a wɔasusuw ho yiye no. Krataa anaa feeler gauge nso yɛ adwuma, nanso fa ɔkwan koro no ara di dwuma bere nyinaa. San yɛ zero bere a woasesa adwinnade bi akyi gye sɛ adwinnade-tenten nhyehyɛe a wɔagye atom de offset no sie.
Wɔakyerɛkyerɛ mu kɔ akyiri Engraving Workflows – Bantam Tools kyerɛkyerɛ nea enti a flat stock ne Z-height susuw a ɛyɛ pɛpɛɛpɛ ho hia. Wɔ mmeae akɛse anaa nea ɛnteɛ so no, ɔsorokɔ ho mfonini betumi atua nsakrae nketenkete ho ka bere a controller no boa no.
Pass depth kyerɛkyerɛ vertical engagement wɔ twa biara a wɔretwa mu. Stepover kyerɛkyerɛ akwan a ɛbɛn ho ntam nkitahodi a ɛkɔ nkyɛnkyɛn mu. Feed rate controls no fa nneɛma mu, bere a spindle speed hwɛ rotations so. Ɛsɛ sɛ nhyehyɛe ahorow yi ma nneɛma a ɛyɛ mmerɛw ba sen sɛ ɛbɛma mfutuma, apetepete, anaa adesoa a wontumi nni so.
Amansan nyinaa mu dɔ biara nni hɔ a ɛtwam biara. Fi ase fi adwinnade ne mfiri no nyansahyɛ ahorow so, afei tew engagement ma bits nketenkete, frames a ɛyɛ mmerɛw, adwinnade stick-out atenten, anaa nneɛma a ɛyɛ den so. Fa akwan pii a ɛnyɛ den di dwuma bere biara a ɔkwan biako a emu dɔ bɛma obi dannan ne ho, abɔ nkɔmmɔ, ɔhyew, anaasɛ anammɔn a woayera no.
Di sɔhwɛ nnidiso nnidiso a wɔahyɛ so yi akyi:
1. Yɛ sɔhwɛ nhyehyɛe ketewaa bi. Fa nkyerɛwde, nsɛm, kotoku, ne nsɛm a wɔayɛ ho nhyehyɛe a ɛyɛ teateaa sen biara ka ho. Fa scrap a efi nneɛma batch koro no ara mu di dwuma.
2. Tu mmirika kɔ wimhyɛn kwan so. Ma bit no nkɔ soro. Hwɛ mfiase, baabi a ɛtrɛw, nea ɛkyekyere, ne nea ɛtwe kɔ soro.
3. Twitwa wɔ ɔkwan a ɛyɛ katee so. Hwɛ chip formation na tie sɛnea spindle load sesa. Sɛ chips pack twa adwinnade no ho hyia a, gyina hɔ ntɛm ara.
4. Susuw nea ebefi mu aba no. Hwɛ groove trɛw, emu dɔ ankasa, edge quality, ne dimensions. Sesa nhyehyɛe biako ansa na woasan ayɛ bio.
Nkyerɛwde a ɛnyɛ pɛpɛɛpɛ taa kyerɛ sɛ ɔfasu no yɛ petee anaasɛ Z-zero. Chatter kyerɛ sɛ adwumayɛ a ɛyɛ mmerɛw, adwinnade a wɔde hyɛ mu dodo, wɔde wɔn ho hyɛ mu denneennen, anaasɛ kateeyɛ a ɛnnɔɔso. Nnua a ɛhyew ne plastic a ayow taa kyerɛ sɛ wɔrepetepete anaasɛ wɔamfa nneɛma a wɔabɔ no asinasin no nkɔ yiye. Burrs a ɛwɔ aluminium so no betumi akyerɛ adwinnade a ɛyɛ kusuu, nea entumi ntwa, anaasɛ parameters a ɛmfata.
Nnwuma pa a wofi ase yɛ adwuma no da mfomso ahorow adi a ɛnsɛe stock a ne bo yɛ den. Fi ase de spoilboard grid, calibration square, din krataa, anaa safoa tag. Saa nnwuma yi kyerɛkyerɛ mfiase a wɔde besisi hɔ, nkyerɛwee no kɛse, V-bit mu dɔ, ne adwuma a wɔde kura mu.
Kɔ w’anim kɔ nsɛnkyerɛnne, coasters, inlays, PCB prototypes, control-panel labels, ne tray nketewa so. Relief carvings de ball-nose finishing ne stepover gyinaesi ahorow ka ho. Nneɛma a wɔyɛ no mpɛn pii no de fixtures, blanks a ɛkɔ so daa, adwinnade-asetra akyi di, ne nhyehyɛe ahorow a wɔakyerɛw ba.
Ahokokwaw gyinabea |
Project ho adwene ahorow |
Adesua titiriw |
Nea Ofi Ase |
Edin nkrataa, tags, spoilboard grid, calibration nsusuwii ahorow |
Z-zero, alignment, ne mfitiase V-carving |
Nkɔso a ɛrenya nkɔso |
Coasters, nsɛnkyerɛnne, inlays, acrylic panels |
Adwinnade nsakrae, kotoku, profile, ne finishing |
Adantam |
PCB nhwɛsode, ahotɔ adwinni, nkuku, fixtures nketewa |
Fine depth control ne adwumayɛ nhyehyɛe a ɛwɔ nnwinnade pii |
Nnwuma nketewa |
Mprɛte a wɔahyehyɛ no nnidiso nnidiso, akyɛde ahorow a wɔakyerɛw so, nsɛnkyerɛnne a wɔasan ayɛ |
Fixtures, repeatability, nhwehwɛmu, ne cycle bere |
Kyerɛw ade a ɛda hɔ kɛse, nea emu dɔ, nsɛm nketenkete, nsɛm, ne dodow a wɔde ma dapɛn biara no to hɔ. Afei fa adwumayɛbea a wotumi de di dwuma, Z clearance, spindle power, collet options, controller, ne adwuma a wɔhwɛ kwan toto ho. Fa baabi a ɛho hia ma krampɔn, mfutuma a wɔboaboa ano, nhama, ne adwinnade a wɔsesa no ka ho.
Zhong Hua Jiang bobɔ mfiri a ɛyɛ ketewa 1610 ne 3018 din, afei 3020, 3040, 6040, ne 6090 a ɛyɛ akɛse. Saa nkɔso no fata project envelopes ahorow, nanso dodow a ɛsõ no nkyerɛ sɛ spindle anaa controller a ɛfata wɔ hɔ ara kwa. Fa nhyehyɛe no pɛpɛɛpɛ ne w’adwuma a woyɛ no mpɛn pii no hyia.
Yɛ nhyehyɛe krataa wɔ adwuma biara a edi mu akyi. Kyerɛw nea ɔde nneɛma mae, stock no kɛse, adwinnade, stick-out, spindle ahoɔhare, feed rate, pass bun, stepover, mfiase, ne finishing anammɔn. Twa fixture no mfonini na fa nhwɛsode a wɔakyerɛw so sie.
Sɛ wopɛ sɛ wosan yɛ no bio a, fa pin a wɔde hu baabi, ban, anaa nneɛma a wɔde hyɛ mu a wɔahyira so ka ho. Tu mmirika yɛ nhwehwɛmu a edi kan ansa na woawie batch no. Hwɛ nsusuwii a ɛho hia, nkyerɛwde, sɛnea ɛne ne ho hyia, nsonsonoe, ne anoano su. Sesa cutter bere a finish quality sesa, sen sɛ wobɛtua ka a enni awiei denam software so.
Mma nnyaw desktop CNC engraving afiri a obiara nhwɛ so da. Ma nsa ntwe wo ho mfi nnwinnade a ɛtu ho, siw mfutuma so, na fa aniwa, aso, ne ɔhome ho banbɔ a ɛfata di dwuma. Afiri ketewaa bi da so ara yɛ nneɛma a ano yɛ nnam, asiane ahorow a ɛkyinkyini, ne nneɛma a ɛwɔ mframa mu.
Desktop CNC engraver yɛ adwuma yiye bere a nneɛma anan a wɔpaw no hyia: bit, material, depth, ne project. Fi ase denam adwumayɛ a ɛyɛ katee, Z-zero a ɛyɛ pɛpɛɛpɛ, nhyehyɛe a ɛyɛ katee, ne sɔhwɛ ahorow a wɔde yɛ nneɛma a wɔabubu so.
Kyerɛw parameters a edi mu, afei scale kɔ nneɛma a ɛyɛ den anaasɛ mpɛn pii production. Sɛ wɔde ahwɛyiye hyia a, ɛma nneɛma nketenkete a ɛho tew, adwinnade no nkwa nna tenten, na afã horow a asɛe kakraa bi.
A: Nsɛmfua no taa ka bom. Wɔn baanu nyinaa de axis movement a wɔayɛ ho nhyehyɛe ne cutter a ɛkyinkyini di dwuma. 'Engraver' taa si nkyerɛwde pa, agyiraehyɛde, ne nsɛm a emu nnɔ so dua. 'Router' taa kyerɛ sɛ wɔbɛyi profile, kotokuo, ne nneɛma a emu dɔ. Tumi ankasa gyina frame rigidity, spindle tumi, adwumayɛbea, controller, ne tooling so. Fa nneɛma pɔtee bi toto ho sen sɛ wode wo ho bɛto nneɛma a wɔakyerɛw so nkutoo so.
A: Mpɛn pii no, V-bit anaa solid-carbide engraving cutter a ɛyɛ nnam na ɛyɛ teateaa no fata nkyerɛwde nketewa. Adwinnade a ɛyɛ digrii 30 du nsɛm nketenkete ho sen V-bit a ɛtrɛw a ɛyɛ digrii 90. Nanso, n’ano yɛ mmerɛw kɛse. Ma stock no nyɛ petee, fa bun a emu nnɔ di dwuma, na sɔ nkyerɛwee ketewaa bi hwɛ wɔ scrap so. Kae sɛ V-bit twa a emu dɔ no ma stroke a ɛtrɛw.
A: Ebinom mfonini betumi engrave anaasɛ lightly mfiri aluminium. Afiri no hia sɛ ɛyɛ den sɛnea ɛsɛ, spindle a ɛfata, carbide nnwinnade, adwuma a ɛyɛ den, ne chip control a etu mpɔn. Fa conservative engagement di dwuma na di afiri ne cutter nyansahyɛ ahorow akyi. Wɔn a wɔyɛ nkyerɛwee a wɔde hyɛ mu no nyɛ nneɛma a wɔde besi dade afiri a ɛyɛ den ananmu. Sɛ nkɔmmɔbɔ, ɔhyew, chips a wɔsan twa, anaasɛ spindle overload da adi a, gyae.
A: Pass depth biako biara nni hɔ a ɛyɛ adwuma ma nhyehyɛe biara. Bit diameter, tip geometry, nneɛma, spindle tumi, rigidity, feed rate, ne adwinnade stick-out nyinaa ho hia. Fi ase fi nea ɔyɛ no akwankyerɛ so na yɛ sɔhwɛ a ɛfa nneɛma a wɔabubu ho a emu nnɔ. Tew sɛnea wode wo ho hyɛ mu bere a adwinnade no bɔ nkɔmmɔ, kotow, ɛyɛ hyew dodo, anaasɛ egyaw nea ɛyɛ mmerɛw no. Passes pii a wɔahyɛ so no yɛ nea ahobammɔ wom sen sɛ wɔbɛtwa biako denneennen.
A: Fi ase de calibration shapes, spoilboard grid, key tags, din krataa a ɛnyɛ den, ne nnua nsɛnkyerɛnne nketewa. Saa nnwuma yi kyerɛkyerɛ adwuma mfiase, clamping, text layout, V-bit depth, ne toolpath previews. Fa stock a ne bo nyɛ den, a ɛyɛ tratraa di dwuma na san yɛ adwini biako bere a woasesa nhyehyɛe biako awie no. Coasters, acrylic labels, ne shallow inlays ma nnwuma a edi hɔ a mfaso wɔ so.
