PRECISION CASTING GENERAL TOLERANCE TABLE
PRECISION CASTING DIMENSIONAL TOLERANCES
|
Size range (mm)
|
Length Width Height
|
|
D1 (+/-)
|
D2 (+/-)
|
D3 (+/-)
|
|
0
|
6
|
0,10
|
0,08
|
0,06
|
|
6
|
10
|
0,12
|
0,10
|
|
10
|
14
|
0,15
|
0,12
|
0,09
|
|
14
|
18
|
0,20
|
0,14
|
|
18
|
24
|
0,25
|
0,17
|
0,12
|
|
24
|
30
|
0,30
|
0,20
|
0,14
|
|
30
|
40
|
0,37
|
0,25
|
0,17
|
|
40
|
50
|
0,44
|
0,30
|
0,20
|
|
50
|
65
|
0,52
|
0,38
|
0,23
|
|
65
|
80
|
0,60
|
0,46
|
0,27
|
|
80
|
100
|
0,68
|
0,53
|
0,30
|
|
100
|
120
|
0,76
|
0,60
|
0,33
|
|
120
|
140
|
0,84
|
0,65
|
0,36
|
|
140
|
160
|
0,92
|
0,72
|
0,38
|
|
160
|
180
|
1,02
|
0,80
|
0,42
|
|
180
|
200
|
1,12
|
0,88
|
0,43
|
|
200
|
225
|
1,28
|
0,95
|
0,47
|
|
225
|
250
|
1,44
|
1,05
|
0,51
|
|
250
|
280
|
1,64
|
1,15
|
0,56
|
|
280
|
315
|
1,84
|
1,25
|
0,63
|
|
315
|
355
|
2,10
|
1,40
|
0,71
|
|
355
|
400
|
2,40
|
1,60
|
0,80
|
|
400
|
450
|
2,70
|
1,80
|
0,90
|
|
450
|
500
|
3,00
|
2,00
|
1,00
|
According to VDG P 690
D1: General (wide) tolerances
D2: The (normal) tolerances to be provided
D3: The tightest tolerances
PRECISION CAST CAST LENGTH OF HOLES
|
DIAMETER (d) mm
|
Length (mm)
|
|
Open hole
|
Blind hole
|
|
2 – 4
|
1 x d
|
0,5 x d
|
|
4 – 6
|
2 x d
|
1 x d
|
|
6 – 10
|
3 x d
|
1,6 x d
|
|
10 -
|
4 x d
|
2 x d
|
PRECISION CASTING CAST LENGHTS
|
Width (d) mm
|
Length (mm)
|
|
Open
|
Blind
|
|
2 – 4
|
1 x d
|
1,0 x d
|
|
4 – 6
|
2 x d
|
|
6 – 10
|
3 x d
|
1,6 x d
|
|
10 -
|
4 x d
|
2,0 x d
|
PRECISION CASTING GEOMETRIC TOLERANCES
|
Measure(mm)
|
|
|
Gap
|
D1 (+/-)
|
D2 (+/-)
|
|
|
…
|
50
|
0,25
|
0,10
|
FLATNESS
|
|
50
|
130
|
0,50
|
0,30
|
|
130
|
255
|
1,00
|
0,50
|
LINEARITY
|
|
255
|
380
|
1,56
|
0,90
|
|
…
|
50
|
0,25
|
0,13
|
STEEPNESS
PARALLELISM
|
|
50
|
130
|
0,75
|
0,25
|
|
130
|
255
|
1,25
|
0,50
|
|
255
|
380
|
2,00
|
0,90
|
|
|
1°
|
0,5°
|
ANGLE
|
|
Precision Casting Dimensional tolerance table values
|
PROFİLE
|
|
Precision Casting Dimensional tolerance table values
|
HOLE
|
D1: normal tolerances (mm)
D2: tight tolerances (mm)
PRECISION CASTING MACHINING ALLOWANCE
|
Gap (mm)
|
Standard Allowance (mm)
|
|
…
|
18
|
0,5
|
|
18
|
50
|
|
50
|
80
|
1,0
|
|
80
|
120
|
1,0-2,0
|
PRECISION CAST SURFACE QUALITY
|
|
|
CLA (µinch)
|
Ra (µm)
|
Rz (µm)
|
|
Machining
|
N1
|
1
|
0,025
|
0,22 – 0,30
|
|
N2
|
2
|
0,050
|
0,45 – 0,60
|
|
N3
|
4
|
0,1
|
0,8 – 1,1
|
|
N4
|
8
|
0,2
|
1,0 – 1,8
|
|
N5
|
16
|
0,4
|
1,6 – 2,8
|
|
N6
|
32
|
0,8
|
3,0 – 4,8
|
|
Investment Casting
|
N7
|
63
|
1,6
|
5,9 – 8,0
|
|
N8
|
125
|
3,2
|
12 – 16
|
|
N9
|
250
|
6,3
|
23 – 32
|
PRECISION CAST MATERIALS
|
|
Standart No .
|
DIN
|
AISI
|
|
Carbon Steels
|
1.0528
|
C30
|
1030
|
|
1.0511
|
C40
|
1040
|
|
1.0540
|
C50
|
1050
|
|
1.0601
|
C60
|
1060
|
|
Heat treatable steels
|
1.7218
|
25CrMo4
|
4130
|
|
1.7225
|
42CrMo4
|
4140
|
|
1.6511
|
36CrNiMo4
|
4340
|
|
Cementation
Steels
|
1.5919
|
15CrNi6
|
3115
|
|
1.6523
|
21NiCrMo2
|
8620
|
|
1.7131
|
16MnCr5
|
5115
|
|
1.7147
|
20MnCr5
|
5120
|
|
Tool Steels
|
1 .2003
|
75Cr1
|
|
|
1.2067
|
100Cr6
|
L1
|
|
1.2080
|
X210Cr12
|
D3
|
|
1.2241
|
51CrV4
|
|
|
1.2343
|
X38CrMoV 5-1
|
H11
|
|
1.2344
|
X40CrMoV 5-1
|
H13
|
|
1.2379
|
X155CrVMo 12-1
|
D2
|
|
1.2436
|
X210CrV12
|
|
|
1.2713
|
55NiCrMoV6
|
L6
|
|
1.2714
|
56NiCrMoV7
|
|
|
1.2842
|
90MnCrV8
|
O2
|
|
High Speed Steels
|
1.3343
|
S 6-5-2
|
M 2
|
|
1.3344
|
S 6-5-3
|
M 3 Class 2
|
|
300 Series Stainless
Steels
|
1.4305
|
X 10 CrNiS 18 9
|
303
|
|
1.4301
|
X 5 CrNi 18 10
|
304
|
|
1.4306
|
X2CrNi 19-11
|
304 L
|
|
1.4841
|
X15CrNiSi25-20
|
310
|
|
1.4401
|
X 5 CrNiMo 17 12 2
|
316
|
|
1.4404
|
X 2 CrNiMo 17 13 2
|
316 L
|
|
400 Series Stainless
Steels
|
1.4006
|
X10Cr13
|
410 - CA 15
|
|
1.4021
|
X20Cr13
|
420
|
|
1.4016
|
X6Cr17
|
430
|
|
Heat Resistant Stainless Steels
|
1.4729
|
GX40CrSi13
|
|
|
1.4840
|
GX15CrNi25-20
|
|
|
|
Satandart No.
|
DIN
|
AISI
|
|
Aluminum Alloys
|
3.2374
|
G-AlSi7Mg0,3
|
A 356
|
|
3.2384
|
G-AlSi7Mg0,6
|
A 357
|
|
|
Satandart No.
|
DIN
|
|
Copper Alloys
|
2.0962
|
G-CuAl8Mn
|
|
2.0975
|
G-CuAl10Ni
|
|
2.1096
|
G-CuSn5ZnPb
|
|
|
Standart No.
|
DIN
|
ALLOY
|
|
Cobalt Alloys
|
2.4723
|
G-CoCr29Mo
|
ASTM F-75
|
|
2.4964
|
CoCr20W 15 Ni
|
Stellite 25
|
|
2.4989
|
CoCr 20 Ni 20 W
|
Stellite 21
|