Dị ka ihe achọrọ maka usoro igwe na mgbakọ ziri ezi, a ga-ahọrọ uru ọkwa nnabata kwesịrị ekwesị maka nha.A ga-akọwapụta akụkụ na-enweghị ihe ngosi nnabata na eserese dị ka ihe achọrọ GB / t1804-2000 “ntalerances size linear na angular na-enweghị ihe ngosi nnabata”.
Oke uru ndapụta nke akụkụ ahịrị
| Klas ndidi | 0 ~ 3 | >3~6 | >6-30 | > 30-120 | > 120-400 | > 400-1000 | > 1000-2000 | >2000 |
| Nkenkenke f | ±0.05 | ±0.05 | ±0.1 | ±0.15 | ±0.2 | ±0.3 | ±0,5 | - |
| Ọkara M | ±0.1 | ±0.1 | ±0.2 | ±0.3 | ±0,5 | ±0.8 | ±1.2 | ±2.0 |
| Ihe siri ike C | ±0.2 | ±0.3 | ±0,5 | ±0.8 | ±1.2 | ±2.0 | ±3.0 | ± 4.0 |
| Nke kacha njọ V | - | ±0,5 | ±1.0 | ±1.5 | ±2.5 | ± 4.0 | ± 6.0 | ±8.0 |
Machie uru ndapụta nke radius fillet na ịdị elu chamfer
| Klas ndidi | 0 ~ 3 | 3 ~ 6 | >6-30 | >30 |
| Nkenkenke f | ±0.2
| ±0,5
| ±1.0
| ±2.0
|
| Ọkara M | ||||
| Ihe siri ike C | ±0.4
| ±1.0
| ±2.0
| ± 4.0
|
| Nke kacha njọ V |
Machie uru ndapụta nke akụkụ akụkụ
| Klas ndidi | 0 ~ 10 | > 10-50 | > 50-120 | 120-400 | > 400 |
| Nkenkenke f | ±1° | ± 30′ | ± 20′ | ± 10′ | ±5′ |
| Ọkara M |
|
|
|
|
|
| Ihe siri ike C | ±1°30′ | ±1° | ± 30′ | ± 15′ | ± 10′ |
| Nke kacha njọ V | ±3° | ±2° | ±1° | ± 30′ | ± 20′ |
Nnọchite anya eserese izugbe na-enweghị ihe ngosi nnabata
Kaa akara akara ọkọlọtọ na koodu nnabata n'akụkụ ngọngọ aha nke eserese ahụ ma ọ bụ n'ihe achọrọ teknụzụ yana akwụkwọ teknụzụ (dị ka ụkpụrụ ụlọ ọrụ).Dịka ọmụmaatụ, mgbe ị na-ahọrọ ọkwa ọkara, akara ahụ bụ nke a:
GB/T 1804-m
A ga-edobe ụkpụrụ ejighi njide geometric na eserese dị ka ọkwa dị na GB/t1184-1996 “nkwado geometric na ọnọdụ na-enweghị ụkpụrụ nnabata onye ọ bụla”.[1]
| Klas ndidi | 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 |
Izi ezi na larịị enweghị ndidi
| Klas ndidi | 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 na-enweghị ndidi
| Klas ndidi | 0 ~ 100 | > 100-300 | > 300-1000 | >1000 |
| H | 0.5 | |||
| K | 0.6 | 0.8 | 1 | |
| L | 0.6 | 1 | 1.5 | 2 |
okirikiri runout enweghị ndidi
| Klas ndidi | Nkwenye ịgba ọsọ gburugburu |
| H | 0.1 |
| K | 0.2 |
| L | 0.5 |
Oge nzipu: Ọktoba 12-2020