2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Dovetail pob qij txha qhia txog kev saib xyuas thiab kev siv tes ua haujlwm rau kev ua haujlwm ntoo. Qee qhov yooj yim gluing thiab cov lus qhia sib dhos ua rau dovetail sib koom ua ke yooj yim dua. … Cov kua nplaum tuaj yeem siv tau thaum cov khoom sib cais tag nrho, uas yooj yim dua, tab sis tuaj yeem ntxhov thiab nyuaj rau cov pob qij txha ua ke.
Puas yog tsim nyog rau cov kua nplaum dovetail?
Michael Dresdner: Tsuas yog thaj chaw uas xav tau cov kua nplaum ntawm dovetails yog lub ntsej muag kab pheeb ces kaum. Txhua lub ntsej muag diagonal yog cov nplej ntev, tag nrho cov ntsej muag square yog cov nplej kawg, thiab tag nrho cov ntsej muag tiaj tus abut kawg nplej. Yog li ntawd, koj tsuas yog siv cov kua nplaum rau ntawm kab pheeb ces kaum ntawm lub tails lossis pins, lossis ob qho tib si.
Koj puas nplaum zawv zawg dovetails?
Sliding dovetails muab ntau yam zoo dua li dado sib koom. Ua ntej, lawv muaj zog dua vim lawv tsis cia siab rau cov kua nplaum nkaus xwb. Qhov thib ob, lub xub pwg nyom ntawm dovetailed daim npog qhov npoo ntawm qhov, ntau npaum li lub workpiece tenoned hides ib tug mortise.
Yuav ua li cas sib sib zog nqus dovetail?
Tom ntej no, clamp koj lub ntug ncaj nraim qhov koj xav kom zawv zawg dovetail mus. Teem qhov tob kom zoo rau qhov me ntsis, (9⁄16 "hauv 3⁄4" cov khoom, piv txwv li) ces rout lub dovetail trench lossis lub qhov (socket) hauv me ntsis plaub- dua li qhov dav ntawm lub divider. Lub trench tsis tas yuav txuas mus rau sab nraud.
Dab tsi piv yog 14 degree dovetail?
Tus tshiab 14° tus cim yogtsim los kwv yees qhov1: 4 piv, rau cov neeg nyiam lub kaum ntse ntse no thaum ua haujlwm hauv cov khoom nyias nyias, vim nws tsis tsuas yog muab cov khoom muaj zog cuam tshuam ntau dua li cov qauv piv txwv tab sis ua rau me ntsis exaggerated dovetail sib koom. ua tsaug ntau nawb.
Pom zoo:
Dab tsi ua kom pob txha pob txha ntawm cov pob qij txha?
pob txha muab cov duab, txhawb nqa, thiab qauv rau lwm cov ntaub so ntswg hauv lub cev. Nws kuj yuav pab tau cov pob qij txha. Pob txha mos kuj smoothens cov pob txha nto ntawm cov pob qij txha. Cov ntaub so ntswg dab tsi npog cov pob txha ntawm cov pob qij txha?
Puas yog pob txha pob txha pob txha zoo ib yam li meniscus?
Cov pob txha mos yog qhov tawv tab sis du npog ntawm qhov kawg ntawm cov pob txha hauv cov pob qij txha. Nws tso cai rau gliding yam tsis muaj kev tiv thaiv ntau thiab ua haujlwm nrog cov meniscus kom cushion kawg ntawm cov pob txha. Lub meniscus nyob nruab nrab ntawm lub femur thiab tibia.
Dab tsi qhov sib txawv ntawm cov pob txha pob txha thiab pob txha?
Cov pob txha pob txha yog tsim los ntawm osteons thiab tsim cov txheej txheem sab nraud ntawm txhua pob txha. Cov pob txha pob txha yog tsim los ntawm trabeculae thiab ua rau sab hauv ntawm txhua pob txha. Dab tsi yog qhov sib txawv ntawm cov pob txha pob txha thiab pob txha pob txha?
Puas yog lub pob txha pob txha pob txha pob txha?
CONCLUSIONS: vertebral endplate raug mob feem ntau pom hauv osteoporotic vertebral compression fractures. Dab tsi ua rau lub pob txha tawg? Nws yog kev xav tias, nyob rau hauv ntau qhov mob ntawm qhov mob qis qis, thawj qhov ua rau mob yog pob txha ntawm pob txha caj qaum los ntawm compression rog.
Vim li cas pob txha pob txha txawv ntawm cov pob txha li niaj zaus?
Thaum osteoporosis tshwm sim, lub qhov thiab qhov chaw hauv lub honeycomb loj dua li cov pob txha noj qab haus huv. Cov pob txha osteoporotic muaj poob ntom lossis loj thiab muaj cov ntaub so ntswg txawv txav. Raws li cov pob txha tsis tshua muaj zog, lawv tsis muaj zog thiab feem ntau yuav tawg.
