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Zhaoqing OLYM Metal Products Co.,Ltd

high quality OEM  precision investment casting steel casting decorate accessories

OEM investment casting manufacturers steel casting products

Description
 OEM investment casting manufacturers steel casting products--Zhaoqing OLYM Metal Products Co.,Ltd do OEM lost wax investment casting as per your drawings or samples or your requirements.

Material and Dim tolerance according to –America and German and Japan standard.

Serving customers with a package solution in terms of optimizing design of part, casting, machining, heat-treatment and finish so that our customers can cut down costs in their products and obtain value-added parts.

We have a material laboratory equipped with advanced apparatus and machines like spectrum analyzer/three coordinates measuring machine which ensures chemical compositions of material/dimension tolerance to be correct.

Products cover wide application: chemical industry, mining industry, engineering machineries, auto parts, maching parts, marine parts, automobile Casting Parts, architectural Casting Parts, and general Casting Parts, railway industry, construction machinery industry, blades and vanes for turbines, glass pool fencing, staircase balustrades, balcony/terrace balustrade ,textile industry, medical parts, machining mechanical parts 

DIMENSION TOLERANCE
 
Linear Tolerance
 
Nominaldimension
(mm)
Length,width,height (mm)      Centre line distances (mm)
D1 D2 D3 D1 D2
From To  Tolerance Field Tolerance Field Tolerance Field Tolerance Tolerance
0 6 土0.10 0.2 土0.08 0.16 土0.06 0.12 土0.25 土0.16
6 10 土0.12 0.24 土0.10 0.2
10 14 土0.15 0.3 土0.12 0.24 土0.09 0.18
14 18 土0.20 0.4 土0.14 0.28
18 24 土0.25 0.5 土0.17 0.34 土0.12 0.23 土0.32 土0.20
24 30 土0.30 0.6 土0.20 0.4 土0.14 0.27
30 40 土0.37 0.74 土0.25 0.5 土0.17 0.33 土0.50 土0.30
40 50 土0.44 0.88 土0.30 0.6 土0.20 0.39
50 65 土0.52 1.04 土0.38 0.76 土0.23 0.46 土0.71 土0.45
65 80 土0.60 1.2 土0.46 0.92 土0.27 0.53
80 100 土0.68 1.38 土0.53 1.06 土0.30 0.6 土0.90 土0.60
100 120 土0.76 1.52 土0.60 1.2 土0.33 0.66
120 140 土0.84 1.68 土0.65 1.3 土0.36 0.71 土1.15 土0.85
140 160 土0.92 1.84 土0.72 1.44 土0.38 0.76
160 180 土1.02 2.04 土0.80 1.6 土0.42 0.81
180 200 土1.12 2.24 土0.88 1.76 土0.43 0.86 土1.80 土1.00
200 225 土1.28 2.56 土0.95 1.9 土0.47 0.93
225 250 土1.44 2.88 土1.05 2.1 土0.51 1.02
250 280 土1.64 3.28 土1.15 2.3 土0.56 1.12 土2.20 土1.25
280 315 土1.84 3.68 土1.25 2.5 土0.63 1.26
315 355 土2.10 4.2 土1.40 2.6 土0.71 1.42 土2.60 土1.60
355 400 土2.40 4.8 土1.60 3.2 土0.80 1.6
 
D1: General dimension tolerances
D2: Applicable to important dimensions requiring close tolerances
D3: Premium tolerances require additional operations at extra cost,
Only applied to a few special dimensions
 
Angle Tolerance: 土0.5° to
Straightess:0.005per inch