×èñëîâûå çíà÷åíèÿ îñíîâíûõ îòêëîíåíèé îòâåðñòèé, ìêì
Èíòåðâàë
| Îñíîâíûå îòêëîíåíèÿ
| ðàçìåðîâ, ìì
| A1
| Â1
| Ñ
| CD
| D
| E
| EF
| F
| FG
| G
| Í
| JS2
|
| äëÿ âñåõ êâàëèòåòîâ
| Ñâûøå
| Äî
| Íèæíåå îòêëîíåíèå ÅI
| ‑
| 31) 5)
| +270
| +140
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| +46
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| +5
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| +290
| +150
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| +190
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| *
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| +1050
| +540
| +330
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| +1500
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| +450
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| +780
| +500
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| +520
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| +600
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| +390
| +220
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| +720
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| +1450
| +780
| +430
| +240
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| +32
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| +820
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| +1800
| +920
| +480
| +260
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| +2000
| +980
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| +2200
| +1050
| +520
| +290
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| +145
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| +38
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| +2500
| +1150
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| * Ïðåäåëüíûå îòêëîíåíèÿ = , ãäå ï — ïîðÿäêîâûé íîìåð êâàëèòåòà.
Ïðîäîëæåíèå òàáë. 3
Èíòåðâàë
| Îñíîâíûå îòêëîíåíèÿ
| ðàçìåðîâ,
| J
| K3
| Ì3 4
| Ì3 5
| Ð äî ZC3
| Ð
| R
| S
| T
| ìì
| äëÿ êâàëèòåòîâ
| äëÿ êâàëèòåòîâ ñâûøå
|
|
|
|
| äî 8
| ñâ. 8
| äî 8
| ñâ. 8
| äî 8
| ñâ. 8
| äî 7
| 7-ão
| Ñâûøå
| Äî
| Âåðõíåå îòêëîíåíèå ES
| –
| 31 5
| +2
| +4
| +6
|
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| –2
| –2
| –4
| –4
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| –6
| –10
| –14
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| +5
| +6
| +10
| –1+D
| –
| –4+D
| –4
| –8+D
|
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| –12
| –15
| –19
|
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| +5
| +8
| +12
| –1+D
| –
| –6+D
| –6
| –10+D
|
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| –15
| –19
| –23
|
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| +6
| +10
| +15
| –1+D
| ‑
| –7+D
| –7
| –12+D
|
| Îòêëîíåíèÿ
| –18
| –23
| –28
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| êàê äëÿ
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| +8
| +12
| +20
| –2+D
| ‑
| –8+D
| –8
| –15+D
|
| êâàëèòåòîâ
| –22
| –28
| –35
|
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| ñâûøå
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| –41
|
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| +10
| +14
| +24
| –2+D
| ‑
| –9+D
| –9
| –17+D
|
| 7-ãî,
| –26
| –34
| –43
| –48
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| óâåëè÷åí-
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| –54
|
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| +13
| +18
| +28
| –2+D
| ‑
| –11+D
| –11
| –20+D
|
| íûå íà D
| –32
| –41
| –53
| –66
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| –43
| –59
| –75
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| +16
| +22
| +34
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| –13
| –23+D
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| –37
| –51
| –71
| –91
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| –79
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| –63
| –92
| –122
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| +18
| +26
| +41
| –3+D
| –
| –15+D
| –15
| –27+D
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| –43
| –65
| –100
| –134
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| –68
| –108
| –146
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| –77
| –122
| –166
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| +22
| +30
| +47
| –4+D
| ‑
| –17+D
| –17
| –31+D
|
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| –50
| –80
| –130
| –180
|
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| –84
| –140
| –196
|
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| +25
| +36
| +55
| –4+D
| –
| –20+D
| –20
| –34+D
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| –56
| –94
| –158
| –218
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| –98
| –170
| –240
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| +29
| +39
| +60
| –4+D
| ‑
| –21+D
| –21
| –37+D
|
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| –62
| –108
| –190
| –268
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| –208
| –294
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| +33
| +43
| +66
| –5+D
| ‑
| –23+D
| –23
| –40+D
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| –68
| –126
| –232
| –330
|
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| –252
| –360
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| –26
| –44
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| –78
| –150
| –280
| –400
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| –155
| –310
| –450
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| –30
| –50
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| –88
| –175
| –340
| –500
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| –185
| –380
| –560
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| –34
| –56
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| –100
| –210
| –430
| –620
|
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| –220
| –470
| –680
|
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| –40
| –66
|
| –120
| –250
| –520
| –780
|
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| –260
| –580
| –840
|
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| ‑
| ‑
| ‑
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| –48
| –78
|
| –140
| –300
| –640
| –960
|
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| –330
| –720
| –1050
|
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| ‑
| ‑
| ‑
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| ‑
| –58
| –92
|
| –170
| –370
| –820
| –1200
|
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| –400
| –920
| –1350
|
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| ‑
| ‑
| ‑
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| ‑
| –68
| –110
|
| –195
| –440
| –1000
| –1500
|
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| –460
| –1100
| –1650
|
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| ‑
| ‑
| ‑
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| ‑
| –76
| –135
|
| –240
| –550
| –1250
| –1900
|
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| –580
| –1400
| –2100
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Ïðîäîëæåíèå òàáë. 3
Èíòåðâàë
| Îñíîâíûå îòêëîíåíèÿ
| D, ìêì
| ðàçìåðîâ,
| U
| V
| X
| Y
| Z
| ZA
| ZB
| ZC
|
| ìì
| äëÿ êâàëèòåòîâ ñâûøå 7–ãî
| äëÿ êâàëèòåòîâ
| Ñâûøå
| Äî
| Âåðõíåå îòêëîíåíèå ES
|
|
|
|
|
|
| ‑
| 31 5
| –18
|
| –20
|
| –26
| –32
| –40
| –60
|
|
|
|
|
|
|
|
| –23
|
| –28
|
| –35
| –42
| –50
| –80
|
| 1,5
|
|
|
|
|
|
| –28
|
| –34
|
| –42
| –52
| –67
| –97
|
| 1,5
|
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|
| –33
|
| –40
|
| –50
| –64
| –90
| –130
|
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| –39
| –45
|
| –60
| –77
| –108
| –150
|
|
|
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|
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|
|
| –41
| –47
| –54
| –63
| –73
| –98
| –136
| –188
| 1,5
|
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|
| –48
| –55
| –64
| –75
| –88
| –118
| –160
| –218
|
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|
|
|
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|
|
| –60
| –68
| –80
| –94
| –112
| –148
| –200
| –274
| 1,5
|
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|
|
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|
|
| –70
| –81
| –97
| –114
| –136
| –180
| –242
| –325
|
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| –87
| –102
| –122
| –144
| –172
| –226
| –300
| –405
|
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|
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|
|
| –102
| –120
| –146
| –174
| –210
| –274
| –360
| –480
|
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|
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|
|
| –124
| –146
| –178
| –214
| –258
| –335
| –445
| –585
|
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|
|
|
|
|
|
| –144
| –172
| –210
| –254
| –310
| –400
| –525
| –690
|
|
|
|
|
|
|
|
| –170
| –202
| –248
| –300
| –365
| –470
| –620
| –800
|
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|
|
|
|
|
|
| –190
| –228
| –280
| –340
| –415
| –535
| –700
| –900
|
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|
|
|
|
|
|
| –210
| –252
| –310
| –380
| –465
| –600
| –780
| –1000
|
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|
|
|
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|
|
| –236
| –284
| –350
| –425
| –520
| –670
| –880
| –1150
|
|
|
|
|
|
|
|
| –258
| –310
| –385
| –470
| –575
| –740
| –960
| –1250
|
|
|
|
|
|
|
|
| –284
| –340
| –425
| –520
| –640
| –820
| –1050
| –1350
|
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|
|
|
|
|
|
| –315
| –385
| –475
| –580
| –710
| –920
| –1200
| –1550
|
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|
|
|
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|
|
| –350
| –425
| –525
| –650
| –790
| –1000
| –1300
| –1700
|
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|
|
|
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|
|
| –390
| –475
| –590
| –730
| –900
| –1150
| –1500
| –1900
|
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|
|
|
|
|
|
| –435
| –530
| –660
| –820
| –1000
| –1300
| –1650
| –2100
|
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|
|
|
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|
|
| –490
| –595
| –740
| –920
| –1100
| –1450
| –1850
| –2400
|
|
|
|
|
|
|
|
| –540
| –660
| –820
| –1000
| –1250
| –1600
| –2100
| –2600
|
|
|
|
|
|
|
|
| –600
| –740
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
|
|
| –660
| –820
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| –740
| –920
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
|
|
| –840
| –1000
|
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|
|
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|
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| –940
| –1150
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
|
|
| –105
| –1300
|
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| –1150
| –1450
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
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| –1300
| –1600
|
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| –1450
| –1800
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
|
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| –1600
| –2000
|
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| –1850
| –2300
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
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| –2000
| –2500
|
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| –2300
| –2800
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
|
|
| –2500
| –3100
|
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| –2900
| –3500
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
| ‑
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| 1 Îñíîâíûå îòêëîíåíèÿ à è b íå ïðåäóñìîòðåíû äëÿ ðàçìåðîâ ìåíåå 1 ìì.
2 Äëÿ ïîëåé äîïóñêîâ îò js7 äî js11 íå÷åòíûå ÷èñëîâûå çíà÷åíèÿ IT ìîãóò áûòü îêðóãëåíû äî áëèæàéøåãî ìåíüøåãî ÷åòíîãî ÷èñëà, ÷òîáû ïðåäåëüíûå îòêëîíåíèÿ áûëè âûðàæåíû öåëûì ÷èñëîì ìèêðîìåòðîâ.
3 Äëÿ îïðåäåëåíèÿ çíà÷åíèé îòêëîíåíèé Ê, Ì è N äî 8-ãî êâàëèòåòà (âêë.) è îòêëîíåíèè îò Ð äî ZC äî 7-ãî êâàëèòåòà (âêë.) ñëåäóåò èñïîëüçîâàòü âåëè÷èíû D â ãðàôàõ ñïðàâà.
4 Ñïåöèàëüíûå ñëó÷àè: äëÿ ïîëÿ äîïóñêà Ì6 â èíòåðâàëå ðàçìåðîâ îò 250 äî 315 ìì ES = ‑9 ìêì (âìåñòî — 11 ìêì); ïîëå äîïóñêà Ì8 ïðåäóñìîòðåíî ëèøü äëÿ ðàçìåðîâ ñâûøå 3 ìì.
5 Îñíîâíîå îòêëîíåíèå N äëÿ êâàëèòåòîâ äî 8-ãî íå ïðåäóñìîòðåíî äëÿ ðàçìåðîâ ìåíåå 1 ìì.
ÏÐÈËÎÆÅÍÈÅ 1
Ñïðàâî÷íîå
ÈÍÒÅÐÂÀËÛ ÍÎÌÈÍÀËÜÍÛÕ ÐÀÇÌÅÐÎÂ, ÔÎÐÌÓËÛ ÄËß ÐÀÑ×ÅÒÀ äîïóñêîâ è îñíîâíûõ îòêëîíåíèé, ÏÐÀÂÈËÀ ÎÊÐÓÃËÅÍÈß ×ÈÑËÎÂÛÕ ÇÍÀ×ÅÍÈÉ
1. Èíòåðâàëû íîìèíàëüíûõ ðàçìåðîâ
Èíòåðâàëû íîìèíàëüíûõ ðàçìåðîâ, ïðèíÿòûå â äàííîé ñèñòåìå äîïóñêîâ è ïîñàäîê, ïðèâåäåíû â òàáë. 4.
Äëÿ ðàçìåðîâ äî 500 ìì óñòàíîâëåíû ïðîìåæóòî÷íûå èíòåðâàëû äëÿ âàëîâ ñ îñíîâíûìè îòêëîíåíèÿìè îò «à» äî «ñ» è îò «ã» äî «zñ», äëÿ îòâåðñòèé ñ îñíîâíûìè îòêëîíåíèÿìè îò «À» äî «Ñ» è îò «R» äî «ZC».
Äëÿ ðàçìåðîâ ñâûøå 500 äî 3150 ìì óñòàíîâëåíû ïðîìåæóòî÷íûå èíòåðâàëû äëÿ âàëîâ ñ îñíîâíûìè îòêëîíåíèÿìè «ñ», «cd» è îò «ã» äî «v», äëÿ îòâåðñòèé ñ îñíîâíûìè îòêëîíåíèÿìè «Ñ», «CD» è îò «R» äî «V».
2. Ôîðìóëû äëÿ ðàñ÷åòà äîïóñêîâ
Ôîðìóëû äëÿ ðàñ÷åòà äîïóñêîâ ïðèâåäåíû â òàáë. 5.
3. Îêðóãëåíèå ÷èñëîâûõ çíà÷åíèé äîïóñêîâ
3.1. ×èñëîâûå çíà÷åíèÿ äîïóñêîâ äëÿ êâàëèòåòîâ äî 11-ãî âêëþ÷èòåëüíî, ðàññ÷èòàííûå ïî ôîðìóëàì ï. 2 íàñòîÿùåãî ïðèëîæåíèÿ, îêðóãëåíû â ñîîòâåòñòâèÿ ñ òàáë. 6.
3.2. Çíà÷åíèÿ äîïóñêîâ â êâàëèòåòàõ ãðóáåå 11-ãî, ðàññ÷èòàííûå â ñîîòâåòñòâèÿ ñ ïîÿñíåíèåì 4 ê òàáë. 5, íå òðåáóþò îêðóãëåíèÿ, ò. ê. îíè ïîëó÷åíû èç îêðóãëåííûõ çíà÷åíèé äîïóñêîâ äëÿ êâàëèòåòîâ îò 7-ãî äî 11-ãî.
Òàáëèöà 4
Èíòåðâàëû íîìèíàëüíûõ ðàçìåðîâ, ìì
Îñíîâíûå èíòåðâàëû
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Òàáëèöà 5 1 | 2 | 3 | 4 | Ïîèñê ïî ñàéòó:
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