喷砂知识-磨料种类和硬度与表面粗糙度及磨料粒度的关系
(2018-08-08 10:22:51)磨料种类和硬度与表面粗糙度及磨料粒度的关系
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磨料种类和硬度 |
粗糙度值/μm |
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13 |
25 |
38 |
51 |
63 |
76 |
102 |
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硅砂莫氏5~6 |
80/120 (0.18~0.125 |
30/50 (0.3~0.6) |
20/40 (0.425~0.8) |
16/30 (0.6~1.18) |
12/25 (0.71~1.7) |
10/20 (0.85~2.00) |
8/16 (1.18~2.36) |
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矿砂莫氏7 |
90 |
80 (0.18) |
55 |
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金刚砂莫氏7~8 |
100 (0.15) |
80 (0.13) |
60 (0.25) |
40 (0.425) |
36 (0.5) |
24 (0.71) |
16 (1.18) |
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燧石莫氏 6.5~7 |
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30/60 (0.253~0.6) |
20/50 (0.30~0.85) |
16/35 (0.5~1.18) |
10/30 (0.6~2.00) |
8/25 (0.71~2.36) |
6/20 (0.85~3.35) |
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煤渣莫氏7 |
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50/100 (0.15~0.3) |
40/70 (0.21~0.42) |
30/60 (0.25~0.6) |
20/40 (0.425~0.8) |
16/30 (0.6~1.18) |
12/20 (0.82~1.7) |
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铜/镍炉渣莫氏7~7.5 |
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70/100 (0.15~0.2) |
60/80 (0.18~0.25) |
40/80 (0.18~0.42) |
30/50 (0.3~0.6) |
20/40 (0.425~0.8) |
16/30 (0.6~1.18) |
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氧化铝莫氏8 |
从经济性考虑,氧化铝磨料只能用于喷丸间或喷丸箱,回收再利用 |
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120 (0.125) |
80 (0.18) |
50 (0.3) |
40 (0.425) |
36 (0.5) |
24 (0.71) |
16 (1.18) |
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碳化硅莫氏8 |
从经济性考虑,碳化硅磨料只能用于喷丸间或喷丸箱,回收再利用 |
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150 (0.1) |
100 (0.15) |
80 (0.18) |
50 (0.3) |
40 (0.425) |
36 (0.5) |
30 (0.6) |
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核桃壳莫氏8 |
核桃壳磨料一般只用于清理或去毛刺,不以粗糙度为目的,需回收再利用 |
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35/60 (0.25~0.5) |
14/30 (0.6~1.4) |
6/10 (2~3.35) |
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塑料磨料莫氏3~4 |
塑料磨料通常用于清除旧漆皮,清理硬度不高的表面,不以粗糙度过目的,需回收再利用
粒度有:12/16(1.18~1.7), |
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玉米棒磨料莫氏4.5 |
用于清除电机、砖石、木材等表面,可产生轻微的粗糙度。
粒度:6/10(2~3.35), |
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钢砂,铁砂Rc40~68 |
只用于喷丸间和喷丸箱,回收再利用,只要使用恰当,经济性最好 |
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G-200
(0.075) |
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塑料磨料莫氏5~6 |
用于表面褪光处理,粒度:粗级20/30(0.6~0.85)到细级170/325(约0.09) |
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钢丸,铁丸Rc40~68 |
通常用于抛丸清理,仅列出粒度范围,选用时要考虑其他因素 粒度范围:S780~S70(0.18~2.0) |
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