Ho ea ka litlhoko tsa mokhoa oa ho sebetsa le ho nepahala ha kopano, boleng bo nepahetseng ba kereiti ea ho mamellana bo tla khethoa bakeng sa boholo.Boemo bo se nang mamello setšoantšong bo tla hlalosoa ho ea ka litlhoko tsa GB / t1804-2000 "mamello a mahlakoreng a mahlakore a mabeli ntle le pontšo ea mamello".
Fokotsa boleng ba tekanyo ea mola
| Sehlopha sa mamello | 0~3 | > 3 ~ 6 | > 6-30 | >30–120 | > 120 ~ 400 | > 400 ~ 1000 | >1000~2000 | >2000 |
| Ho nepahala f | ±0.05 | ±0.05 | ±0.1 | ±0.15 | ±0.2 | ±0.3 | ±0.5 | - |
| Hare M | ±0.1 | ±0.1 | ±0.2 | ±0.3 | ±0.5 | ±0.8 | ±1.2 | ±2.0 |
| Kgutla C | ±0.2 | ±0.3 | ±0.5 | ±0.8 | ±1.2 | ±2.0 | ±3.0 | ±4.0 |
| Thickest V | - | ±0.5 | ±1.0 | ±1.5 | ±2.5 | ±4.0 | ± 6.0 | ±8.0 |
Fokotsa boleng ba radius ea fillet le bophahamo ba chamfer
| Sehlopha sa mamello | 0~3 | 3~6 | > 6-30 | >30 |
| Ho nepahala f | ±0.2
| ±0.5
| ±1.0
| ±2.0
|
| Hare M | ||||
| Kgutla C | ±0.4
| ±1.0
| ±2.0
| ±4.0
|
| Thickest V |
Fokotsa boleng ba tekanyo ea angle
| Sehlopha sa mamello | 0~10 | > 10 ~ 50 | > 50 ~ 120 | 120-400 | >400 |
| Ho nepahala f | ±1° | ±30′ | ±20′ | ±10′ | ±5′ |
| Hare M |
|
|
|
|
|
| Kgutla C | ±1°30′ | ±1° | ±30′ | ±15′ | ±10′ |
| Thickest V | ±3° | ±2° | ±1° | ±30′ | ±20′ |
Kemedi ya kakaretso ya ho taka ntle le sesupo sa mamello
Tšoaea nomoro e tloaelehileng le khoutu ea boemo ba mamello haufi le sebaka sa sehlooho sa setšoantšo kapa litlhoko tsa tekheniki le litokomane tsa tekheniki (joalo ka maemo a khoebo).Mohlala, ha u khetha boemo bo mahareng, label e tjena:
GB/T 1804-m
Mehaho e sa tšoauoeng ka mamello ea jometri litšoantšong e tla tšoauoa ho ea ka sehlopha sa GB / t1184-1996 "mamello ea jiometri le ea maemo ntle le litekanyetso tsa mamello ea motho ka mong".[1]
| Sehlopha sa mamello | 0~10 | >10–30 | >30~100 | >100~300 | >300~1000 | >1000 |
| H | 0.02 | 0.05 | 0.1 | 0.2 | 0.3 | 0.4 |
| K | 0.05 | 0.1 | 0.2 | 0.4 | 0.6 | 0.8 |
| L | 0.1 | 0.2 | 0.4 | 0.8 | 1.2 | 1.6 |
Ho otloloha le ho batalla ntle le mamello
| Sehlopha sa mamello | 0~100 | >100~300 | >300~1000 | >1000 |
| H | 0.2 | 0.3 | 0.4 | 0.5 |
| K | 0.4 | 0.6 | 0.8 | 1 |
| L | 0.6 | 1 | 1.5 | 2 |
Symmetry ntle le mamello
| Sehlopha sa mamello | 0~100 | >100~300 | >300~1000 | >1000 |
| H | 0.5 | |||
| K | 0.6 | 0.8 | 1 | |
| L | 0.6 | 1 | 1.5 | 2 |
Ho matha ka sedikadikwe ntle le mamello
| Sehlopha sa mamello | Mamello ea ho baleha ho potoloha |
| H | 0.1 |
| K | 0.2 |
| L | 0.5 |
Nako ea poso: Oct-12-2020