互联网药品信息证书编号:(苏)-经营性-2020-0005 增值电信业务经营许可证编号:
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材料牌号 Material Designation |
合金成分 Alloy Composition (wt%) |
状态 Condition |
密度 Density ρ(g/cm³) |
抗拉强度 UTS σ b(Mpa) |
屈服强度 YS σ0.2(Mpa) |
延伸率 Elongation σ(%) |
硬度 Hardness |
低合金钢于Low Alloy Steel |
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MIM4600 (MIM2200) |
Ni 1.5~2.5% Mo 0.5% max Fe balance |
Sinterd |
7.50 |
290 |
125 |
40 |
45~65HRB |
MIM4600 (modeifed) (MIM2700) |
Ni 6.5~8.5% Mo 0.5%max Fe balance |
Sinterd |
7.60 |
410 |
210 |
26 |
70~90HRB |
MIM4605 |
Ni 1.5~2.5% Mo 0.2~0.5% C 0.4~0.6% Fe balance |
Sinterd |
7.50 |
415 |
255 |
15 |
65-85HRB |
Heat Treated |
7.50 |
1655 |
1480 |
2 |
45~50HRC |
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MIM4140 |
Ni 0.75~1.25% Cr 0.75~1.25% Mo 0.75%max C 0.3~0.5% Fe balance |
Sinterd |
7.50 |
820 |
620 |
10 |
70~100HRB |
Heat Treated |
7.50 |
1400 |
820 |
5 |
45~45HRC |
不锈钢Stainless Steel |
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MIM SS316L |
C 0.03%max Ni 10~14% Mo 2~3% Cr 18~20% Fe balance |
Sinterd |
7.75 |
500 |
250 |
4 |
65~85HRB |
MIM SS304 |
C 0.08% max Ni 8~10% Cr 18~20% Fe balance |
Sinterd |
7.65 |
480 |
270 |
35 |
65~85HRB |
MIM SS420 |
C 0.2~0.4% Cr 12~14% Fe balance |
Heat Treated |
7.40 |
1310 |
11500 |
6 |
40~45HRC |
MIM 17-4PH |
C 0.07%max Cr 15.5~17.5% Cu 3~5% Ni 3~5% Nb 0.15~0.45% Fe balance |
Sinterd |
7.50 |
900 |
730 |
6 |
20~28HRC |
Heat Treated |
7.50 |
1185 |
1090 |
5 |
32~42HRC |
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MIM SS310S |
|
Sinterd |
7.70 |
520 |
205 |
40 |
80~100HRB |
磁性材料Magnetic Materials |
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MIM Fe3Si |
C0.05% Si 2.5~3.5% Fe balance |
Sinterd |
7.60 |
530 |
390 |
24 |
75~85HRB |
MIM Fe50Ni |
C 0.05%max Ni 49~51% Fe balance |
Sinterd |
7.70 |
455 |
160 |
30 |
50~65HRB |
MIM Fe50Co |
C 0.05%max Co 48~50% Fe balance |
Sinterd |
7.70 |
205 |
140 |
~1.0 |
65~85HRB |
MIM SS430 |
C 0.05max Cr 16~18% Fe balance |
Sinterd |
7.50 |
400 |
240 |
25 |
65~HRB |
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低膨胀合金/电子封装材料LOW Expansion/Glass Sealing Alloy |
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Kovar (4J29) |
Co 16.8~17.2% Ni 28.5~29.5% Fe balance |
Sinterd |
8.00 |
510 |
345 |
25 |
65~80HRB |
Invar (4J36) |
C 0.05%max Ni 35~37% Fe balance |
Sinterd |
7.80 |
450 |
270 |
35 |
40~60HRB |
金属注射成形技术的特点
MIM作为一种制造高质量精密零件的近净成形技术,具有常规粉末冶金和机加工方法无法比拟的优势。MIM能制造许多具有复杂形状特征的零件:如各种外部切槽,外螺纹,锥形外表面,交叉通孔、盲孔,凹台与键销,加强筋板,表面滚花等等,具有以上特征的零件都是无法用常规粉末冶金方法得到的。由于通过MIM制造的零件几乎不需要再进行机加工,所以减少了材料的消耗,因此在所要求生产的复杂形状零件数量高于一定值时,MIM就会比机加工方法更为经济。
metal InjECTion Molding,or MIM,is a new Powder metallurgy process that can produce sintered componects with high densety and complicated shapes without the need for machining. With its unique characteristics, MIM is capable of producing precise metal parts for a wide range of products, including automobiles, cellular phones,hand tools,dental instruments,pneumatic tools, power hand tools, surgical instruments,sporting goods, and laptop computers. The common materials used in MIM range from stainless steels and alloy steels to soft magnetic matericals.
MIM同其他工艺比较
比较项目 |
粉末注射成形 |
粉末冶金 |
精密铸造 |
机加工 |
冲压 |
零件密度 |
98% |
86% |
98% |
100% |
100% |
零件拉伸强度 |
高 |
低 |
高 |
高 |
高 |
零件表面光洁度 |
高 |
中 |
中 |
高 |
高 |
零件微小化能力 |
高 |
中 |
低 |
中 |
高 |
零件薄壁能力 |
高 |
中 |
中 |
低 |
高 |
零件复杂程度 |
高 |
低 |
中 |
高 |
低 |
零件设计宽容度 |
高 |
中 |
中 |
中 |
低 |
批量生产能力 |
高 |
高 |
中 |
中-高 |
高 |
适应材质范围 |
高 |
高 |
中-高 |
高 |
中 |
供货能力 |
高 |
高 |
中 |
低 |
高 |
Comparison between MIM and other processes
Comparison project |
MIM |
P/M |
Die Casting |
Investment Casting |
Machining |
Part density |
High |
Low |
High |
Fair |
High |
Part tensile strength |
0.5mm |
1mm |
0.8mm |
2mm |
0.5mm |
Part surface finish |
Fine1 μm Ra |
Coares |
Medium |
Medium 5 μm Ra |
Fine |
Parts miniaturization capability |
Good |
Fair |
Poor |
Fair |
Good |
Parts thin-walled capacity |
Many |
Average |
Few |
Average |
Many |
Parts complexity |
95~100% |
<95% |
99~100% |
99~100% |
99~100% |
Tolerance of part design |
Average |
High |
Average |
Average |
High |
Mass production capacity |
Good |
Poor |
Fair |
Good |
Good |
Adaptive material range |
High |
High |
High |
Fair |
Low |
Supply capacity |
Average |
Low |
Low |
Average |
High |
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