一. 鍛造鋼球生產工藝流程
原材料檢驗——中頻爐加熱——旋切成球——淬火處理——回火處理——檢測——包裝|
鋼球直徑 |
60型材質 |
B2型材質 |
B3型材質 |
BU型材質 |
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表面硬度 |
內心硬度 |
沖擊值 |
表面硬度 |
內心硬度 |
沖擊值 |
表面硬度 |
內心硬度 |
沖擊值 |
表面硬度 |
內心硬度 |
沖擊值 |
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φ25 |
60-65 |
58-63 |
≥12J/CM2 |
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φ30 |
60-65 |
55-60 |
≥12J/CM2 |
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φ35 |
60-65 |
55-60 |
≥12J/CM2 |
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φ40 |
60-65 |
55-63 |
≥12J/CM2 |
60-65 |
60-65 |
≥12J/CM2 |
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φ50 |
60-65 |
45-50 |
≥12J/CM2 |
60-65 |
60-65 |
≥12J/CM2 |
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φ60 |
60-65 |
42-47 |
≥12J/CM2 |
60-65 |
60-65 |
≥12J/CM2 |
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φ70 |
60-65 |
40-45 |
≥12J/CM2 |
60-65 |
60-65 |
≥12J/CM2 |
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φ75 |
60-65 |
40-45 |
≥12J/CM2 |
60-65 |
60-65 |
≥12J/CM2 |
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φ80 |
60-65 |
37-42 |
≥12J/CM2 |
60-65 |
60-65 |
≥12J/CM2 |
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φ90 |
60-65 |
37-42 |
≥12J/CM2 |
58-63 |
52-60 |
≥12J/CM2 |
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φ100 |
58-63 |
37-42 |
≥12J/CM2 |
53-58 |
42-58 |
≥12J/CM2 |
58-62 |
58-60 |
≥14J/CM2 |
60-65 |
60-65 |
≥14J/CM2 |
|
φ110 |
55-63 |
35-40 |
≥12J/CM2 |
53-58 |
45-50 |
≥12J/CM2 |
58-62 |
58-60 |
≥14J/CM2 |
60-65 |
60-65 |
≥14J/CM2 |
|
φ120 |
55-63 |
35-40 |
≥12J/CM2 |
53-58 |
45-50 |
≥12J/CM2 |
55-62 |
58-60 |
≥14J/CM2 |
60-65 |
60-65 |
≥14J/CM2 |
|
φ125 |
50-55 |
35-40 |
≥12J/CM2 |
53-58 |
45-50 |
≥12J/CM2 |
55-62 |
52-58 |
≥14J/CM2 |
60-65 |
58-63 |
≥14J/CM2 |
|
φ130 |
50-55 |
35-40 |
≥12J/CM2 |
53-58 |
40-45 |
≥12J/CM2 |
55-58 |
50-55 |
≥14J/CM2 |
60-65 |
58-63 |
≥14J/CM2 |
|
φ140 |
|
|
≥12J/CM2 |
53-58 |
40-45 |
≥12J/CM2 |
55-58 |
45-55 |
≥14J/CM2 |
60-65 |
55-60 |
≥14J/CM2 |
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φ150 |
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≥12J/CM2 |
53-58 |
40-45 |
≥12J/CM2 |
55-58 |
40 |
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球型誤差
|
Inch |
Size |
T weight |
Tolerance(mm) |
Material |
Surface hardness(HRC) |
Volume hardness(HRC) |
| 參考 | 規格 | 理論重量 | 公差 | 材料 | 表面硬度(HRC) | 體積硬度(HRC) |
| 3/4" | D20MM | 0.037+/-0.005 | 2+/-1 | B2 | 63-66 | 63-66 |
| 1" | D25MM | 0.072+/-0.01 | 2+/-1 | B2 | 63-66 | 63-66 |
| 11/4" | D30MM | 0.13+/-0.02 | 2+/-1 | B2 | 63-66 | 63-66 |
| 11/2" | D40MM | 0.30+/-0.04 | 2+/-1 | B2 | 62-66 | 62-66 |
| 2" | D50MM | 0.6+/-0.05 | 2+/-1 | B2 | 62-65 | 61-64 |
| 21/2" | D60MM | 1.0+/-0.05 | 2+/-1.5 | B2 | 62-65 | 60-62 |
| 21/2" | D65MM | 1.3+/-0.05 | 2+/-1.5 | B2 | 61-64 | 60-62 |
| 21/2" | D65MM | 1.3+/-0.05 | 2+/-1.5 | B3 | 61-63 | 60-62 |
| 3" | D75MM | 2.0+/-0.06 | 3+/-2 | B3 | 61-63 | 60-62 |
| 3"(Hot rolled) | D80MM | 2.0+/-0.06 | 3+/-2 | B3 | 60-63 | 60-62 |
| 3"(Forged) | D80MM | 2.1+/-0.06 | 3+/-2 | B3 | 60-62 | 53-57 |
| 31/2" | D90MM | 3.0+/-0.07 | 3+/-2 | B3 | 60-63 | 59-62 |
| 4" | D100MM | 4.1+/-0.15 | 3+/-2 | B3 | 60-63 | 59-62 |
| 4.5" | D115MM | 6.3+/-0.15 | 3+/-2 | B3 | 60-63 | 57-60 |
| 5" | D125MM | 8.1+/-0.3 | 3+/-2 | B3 | 59-62 | 55-60 |
| Chemical composition 化學成分 | B2 C:0.72-1.03,Si:0.15-0.35,Mn:0.30-1.20,Cr:0.2-0.80,P:≤0.035，S：≤0.035，Ni≤0.25， | |||||
| B3 C:05-.53-0.88,Si:1.2-2.00,Mn:0.50-1.20,Cr:0.4-1.20,P:≤0.035，S：≤0.035，Ni≤0.25， | ||||||
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