표면거칠기와 끼워맞춤 공차

 

▷ 표면거칠기와 끼워맞춤 공차

                                                                                                                                                 

 

 

끼워맞춤 공차표(KS B 0401)

             ■축의 끼워맞춤 공차 (단위 μ=0.001㎜)

호칭직경    (㎜)

g5

g6

h5

h6

h7

js5

js6

js7

k5

k6

m5

m6

n6

p6

r6

- ~ 3

-2 -6

-2 -8

0 -4

0 -6

0 -10

±2

±3

±5

+4   0

+6   0

+6 +2

+8 +2

+10 +4

+12 +6

+16 +10

3 ~ 6

-4 -9

-4 -12

0 -5

0 -8

0 -12

±2.5

±4

±6

+6 +1

+9 +1

+9 +4

+12 +4

+16 +8

+20 +12

+23 +15

6 ~ 10

-5 -11

-5 -14

0 -6

0 -9

0 -15

±3

±4.5

±7.5

+7 +1

+10 +1

+12 +6

+15 +6

+19 +10

+20 +15

+28 +19

10 ~ 18

-6 -14

-6 -17

0 -8

0 -11

0 -18

±4

±5.5

±9

+9 +1

+12 +1

+15 +7

+18 +7

+23 +12

+29 +18

+34 +23

18 ~ 30

-7 -16

-7 -20

0 -9

0 -13

0 -21

±4.5

±6.5

±10.5

+11 +2

+15 +2

+17 +8

+21 +8

+28 +15

+35 +22

+41 +28

30 ~ 50

-9 -20

-9 -25

0 -11

0 -16

0 -25

±5.5

±8

±12.5

+13 +2

+18 +2

+20 +9

+25 +9

+33 +17

+42 +26

+50 +34

50 ~ 80

-10 -23

-10 -29

0 -13

0 -19

0 -30

±6.5

±9.5

±15

+15 +2

+21 +2

+24 +11

+30 +11

+39 +20

+51 +32

80 ~ 120

-12 -27

-12 -34

0 -15

0 -22

0 -35

±7.5

±11

±17.5

+18 +3

+25 +3

+28 +13

+35 +13

+45 +23

+59 +37

120~180

-14 -32

-14 -39

0 -18

0 -25

0 -40

±9

±12.5

±20

+21 +3

+28 +3

+33 +15

+40 +15

+52 +27

+68 +43

180~250

-15 -35

-15 -44

0 -20

0 -29

0 -46

±10

±14.5

±23

+24 +4

+33 +4

+37 +17

+46 +17

+60 +31

+79 +50

250~315

-17 -40

-17 -49

0 -23

0 -32

0 -52

±11.5

±16

±26

+27 +4

+36 +4

+43 +20

+52 +20

+66 +34

+88 +56

                  <비고> ① 호칭경 3~6은 「3< 직경≤6」 ② r6 ＞50 허용치는 생략함

                
           ■구멍의 끼워맞춤 공차 (단위 μ=0.001㎜)

호칭직경 (㎜)

F6

G6

H6

H7

H8

H10

Js5

Js6

Js7

K6

M6

M7

N7

P7

- ~ 3

+12 +6

+8 +2

+6 0

+10 0

+14 0

+40 0

±2

±3

±5

0 -6

-2 -8

-2 -12

-4 -14

-6 -16

3 ~ 6

+18 +10

+12 +4

+8 0

+12 0

+18 0

+48 0

±2.5

±4

±6

+2 -6

-1 -9

0 -12

-4 -16

-8 -20

6 ~ 10

+22 +13

+14 +5

+9 0

+15 0

+22 0

+58 0

±3

±4.5

±7.5

+2 -7

-3 -12

0 -15

-4 -19

-9 -24

10 ~ 18

+27 +16

+17 +6

+11 0

+18 0

+27 0

+70 0

±4

±5.5

±9

+2 -9

-4 -15

0 -18

-5 -23

-11 -29

18 ~ 30

+33 +20

+20 +7

+13 0

+21 0

+33 0

+84 0

±4.5

±6.5

±10.5

+2 -11

-4 -17

0 -21

-7 -28

-14 -35

30 ~ 50

+41 +25

+25 +9

+16 0

+25 0

+39 0

+100 0

±5.5

±8

±12.5

+3 -13

-4 -20

0 -25

-8 -33

-17 -42

50 ~ 80

+49 +30

+29 +10

+19 0

+30 0

+46 0

+120 0

±6.5

±9.5

±15

+4 -15

-5 -24

0 -30

-9 -39

-21 -51

80 ~ 120

+58 +36

+34 +12

+22 0

+35 0

+54 0

+140 0

±7.5

±11

±17.5

+4 -18

-6 -28

0 -35

-10 -45

-24 -59

120~ 180

+68 +43

+39 +14

+25 0

+40 0

+63 0

+160 0

±9

±12.5

±20

+4 -21

-8 -33

0 -40

-12 -52

-28 -58

180~ 250

+79 +50

+44 +15

+29 0

+46 0

+72 0

+185 0

±10

±14.5

±23

+5 -24

-8 -37

0 -46

-14 -60

-33 -79

250~ 315

+88 +56

+49 +17

+32 0

+52 0

+81 0

+210 0

±11.5

±16

±26

+5 -27

-9 -41

0 -52

-14 -66

-36 -88

                 <비고> ①호칭경 6~10은「6 ＜ 직경 ≤ 10」을 의미함.