鎂與鋁的6個(gè)優(yōu)缺陷對(duì)比
Comparison of 6 advantages and disadvantages of magnesium and aluminum
優(yōu)點(diǎn)
Advantage
1.溶化本錢只要鋁的2／3
1. melting costs as long as 2 / 3 of aluminum.
2.壓鑄出產(chǎn)功率比鋁高25％，金屬模鑄造比鋁高300—500K，消失模鑄造比鋁高200％
2. The output power of die casting is 25% higher than that of aluminum, 300-500K higher than that of metal casting and 200% higher than that of aluminum by EPC.
3.鎂鑄件的外表質(zhì)量和外觀顯著比鋁好(由于模具的熱載荷減小，可下降查看頻率)
3. The appearance quality and appearance of magnesium castings are significantly better than that of aluminum castings (the viewing frequency can be decreased due to the reduction of thermal load on the die).
4.模具壽數(shù)是鋁的2倍(或更多，依據(jù)模腔形狀)
4. die life is 2 times that of aluminum (or more, depending on the shape of the die cavity).
5.鎂脫棋斜角可很小(可取消隨后的機(jī)加工)，并且外表成形好(由于鎂的粘度低)
5. The diagonal angle of magnesium debarking can be very small (the subsequent machining can be cancelled), and the appearance is well formed (due to the low viscosity of magnesium).

缺點(diǎn)
shortcoming
1.和鋁金屬模鑄造比較，鎂壓鑄出產(chǎn)有較高的殘余廢料率(和鋁壓鑄廢料產(chǎn)出率比較)。
1. Compared with aluminum die casting, magnesium die casting produces higher residual reject rate (and aluminum die casting reject rate).
2.鎂壓鑄的出產(chǎn)設(shè)備投資很高。和鋁重力／低壓／硝模等工藝比，鎂壓鑄機(jī)很貴(由于需求較高的鎖模力和充型射料速度)，當(dāng)然它的出產(chǎn)率也是前者的4倍。
2. the investment equipment for magnesium die casting investment is very high. Compared with aluminum gravity / low pressure / nitrate mold process, magnesium die casting machine is very expensive (due to the higher clamping force and filling rate), of course, its yield is four times the former.
3.鎂壓鑄需求較高的試模本錢和較長(zhǎng)的試制時(shí)刻，而鋼制部件(制作選用簡(jiǎn)略的焊接技能按圖加工)或塑料部件(可選用低本錢原型工裝)則簡(jiǎn)略得多。
3. Magnesium die casting requires a higher cost and a longer trial-production time, while steel parts (simple welding skills for drawing) or plastic parts (low-cost prototype tooling is optional) are much simpler.
4.和鋁低壓或金屬模鑄造比，鎂壓鑄需求較高的模具本錢。由于壓鑄模大并雜亂，還要承受高鎖模力(當(dāng)然高出產(chǎn)率也可下降單件產(chǎn)品的本錢)。
4. and aluminum low pressure or metal mold casting ratio, magnesium die casting needs higher mold cost. Due to the large and messy die-casting mold, but also to withstand high locking force (of course, high yield can also reduce the cost of a single product).
5.鎂壓鑄和鋁壓鑄比較，其燒損率要高50K，也就是4％比2％(由于鎂的較高的外表活性)。
5. The burning loss rate of magnesium die casting is 50 K higher than that of aluminum die casting, that is, 4% higher than 2% (due to the higher surface activity of magnesium).
6.鎂壓鑄屑片的收回本錢．比鋁高，枯燥的鎂屑片不簡(jiǎn)單收回，濕潤(rùn)的就更不簡(jiǎn)單了，有必要十分當(dāng)心，避免著火。
6. Magnesium die-casting chip recovery cost. higher than aluminum, dry magnesium chip is not easy to recover, wet is not easy, it is necessary to be very careful to avoid fire.
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