鋼丸的應用范圍:
1、清理:拋丸清理、噴丸清理、壓鑄件清理、鑄件拋丸清理、鍛件拋丸清理、鍛件噴丸清理鑄件清砂、鋼板清理、鋼材清理、鋼板清理、H型鋼清理、鋼結構清理。
2、除銹:拋丸除銹、噴丸除銹、鑄件除銹、鍛件除銹、鋼板除銹、鍛件除氧化皮、鋼材除銹、H型鋼除銹、鋼結構除銹。
3、強化:拋丸強化、熱處理件噴丸強化、齒輪噴丸強化。
4、噴丸:型鋼噴丸、型鋼噴砂、船板拋丸、鋼板噴丸、鋼材噴丸。
5、拋丸:鋼板拋丸、鋼材拋丸、型鋼拋丸。
6、打砂:打砂處理。
7、鋼丸預處理:涂裝前處理、涂裝預處理、表面預處理、船板預處理、型鋼預處理、鋼材預處理、鋼板預處理、鋼結構前處理。
鋼丸的適用設備:
鋼丸主要適用于滾筒式、鏈式、吊鉤式、履帶式、通過式、轉臺式、積放式、步進式、臺車式拋丸機(拋丸器)、拋丸清理機、拋丸清理設備、噴丸機、噴拋丸、噴丸設備、噴砂機、噴砂設備、除銹設備,鋼材預處理生產線、鋼板預處理生產線、鋼結構預處理生產線、噴砂房中的設備。
鋼丸主要技術指標:
名稱 |
(鋼丸)鑄鋼丸 |
|
化學成分 |
碳(C) |
0.70~1.20% |
錳(Mn) |
0.35~1.20% |
|
硅(Si) |
0.40~1.20% |
|
硫(S) |
≤0.05% |
|
磷(P) |
≤0.05% |
|
平均硬度 (500g荷載下測定) |
常規:40~50HRC (377~509HV) 特殊:52~56HRC (543~620HV) 特殊:56~60HRC (620~713HV) |
|
硬度偏差 |
最大偏差范圍為±3.0HRC或者±40HV |
|
金相組織 |
均勻的回火馬氏體或回火屈氏體+彌散分布碳化物 |
|
最小密度 (酒精置換法測定) |
7.2g/cm3 |
鋼丸粒度分布表
篩網號 |
英寸 |
篩網 |
SAE J444 鋼丸 |
|||||||||||
S930 |
S780 |
S660 |
S550 |
S460 |
S390 |
S330 |
S280 |
S230 |
S170 |
S110 |
S70 |
|||
6 |
0.132 |
3.35 |
All Pass |
|
|
|
|
|
|
|
|
|
|
|
7 |
0.111 |
2.80 |
|
All Pass |
|
|
|
|
|
|
|
|
|
|
8 |
0.0937 |
2.36 |
≥90% |
|
All Pass |
|
|
|
|
|
|
|
|
|
10 |
0.0787 |
2.00 |
≥97% |
≥85% |
|
All Pass |
All Pass |
|
|
|
|
|
|
|
12 |
0.0661 |
1.70 |
|
≥97% |
≥85% |
|
≤5% |
All Pass |
|
|
|
|
|
|
14 |
0.0555 |
1.40 |
|
|
≥97% |
≥85% |
|
≤5% |
All Pass |
|
|
|
|
|
16 |
0.0469 |
1.18 |
|
|
|
≥97% |
≥85% |
|
≤5% |
All Pass |
|
|
|
|
18 |
0.0394 |
1.00 |
|
|
|
|
≥96% |
≥85% |
|
≤5% |
All Pass |
|
|
|
20 |
0.0331 |
0.850 |
|
|
|
|
|
≥96% |
≥85% |
|
≤10% |
All Pass |
|
|
25 |
0.0280 |
0.710 |
|
|
|
|
|
|
≥96% |
≥85% |
|
≤10% |
|
|
30 |
0.0232 |
0.600 |
|
|
|
|
|
|
|
≥96% |
≥85% |
|
All Pass |
|
35 |
0.0197 |
0.500 |
|
|
|
|
|
|
|
|
≥97% |
|
≤10% |
|
40 |
0.0165 |
0.425 |
|
|
|
|
|
|
|
|
|
≥85% |
|
All Pass |
45 |
0.0138 |
0.355 |
|
|
|
|
|
|
|
|
|
≥97% |
|
≤10% |
50 |
0.0117 |
0.300 |
|
|
|
|
|
|
|
|
|
|
≥80% |
|
80 |
0.007 |
0.180 |
|
|
|
|
|
|
|
|
|
|
≥90% |
≥80% |
120 |
0.0049 |
0.125 |
|
|
|
|
|
|
|
|
|
|
|
≥90% |
200 |
0.0029 |
0.075 |
|
|
|
|
|
|
|
|
|
|
|
|
GB |
2.8 |
2.5 |
2.0 |
1.7 |
1.4 |
1.2 |
1.0 |
0.8 |
0.6 |
0.4 |
0.3 |
0.2 |