2015年9月27日 星期日
die casting machine-Die Casting and Casting Types
Casting is one oDie castingf the oldest procedures done on metals。 Many products are formed using this method。 Here is an attempt to share the knowledge of casting。
f four types: sand casting, permanent mold casting, plaster casting and Die casting。 All these types of castings have their own advantages and disadvantages。 Depending on the properties of the product requited, one of the casting is selected。
Sand Casting: Sand casting is the oldest casting of the above。 ThisMulti slider die casting machine method of casting is in use since 1950。The texture of theMulti slider die casting machine product depends on the sand used for casting。 The end product is given smooth finishing at the end。 Usually iron, steel, bronze, brass, aluminium, magnesium alloys which often include lead, tin, and zinc are used。
Permanent mold casting: Permanent mold casting uses two pieces of mold。 This molds are joined together and molten metal is pored into this moldzinc die casting。 The hot metal is allowed to cool and the mold pieces are separated。 Some products have metal extrusion which are removed by flash grind or by hand。 Tin, lead anddie casting machine Zinc are commonly moulded using this method。
Plaster casting: Plaster casting is one of the easiest methods。 How ever it is used for metals with low melting point like Coper, Zinc and Aluminum。 This isdie casting machine the easiest process because mold can be made easily in case it brakes in the procedures。
: Die casting is done by introducing molten metal into the mold at high or low pressure。 Earlier only low-pressure diezinc die casting-casting was used but now a days high pressure die casting is used more extensively。 Molds are well designed to give complex products with stunning accuracy and smooth finishing。 They are made of high quality steel as steel has higher melting point。 These molds can be reused thousands of times。 Casts can be single cavity that produces only a single component, multiple cavity that produces multiple identical parts at a time, unit die that produces different parts and combination die that produces different parts in one go。 Usually zinc, copper, aluminium, magnesium, lead, pewter and tin based alloys are used for die casting。
2015年7月8日 星期三
Die casting-Introduction to High Pressure Die Casting Article
High pressure didie casting machinee casting is a versatile manufacturing process in which molten metal is injected with a Die casting machine using considerable pressure into a steel mold or die to form products。 These molds, or dies, can be used to produce complex shapes with a high level of accuracy and repeatability。 Die castings are among the highest volume, mass-produced items manufactured by the metalworking industry。 They are used in numerous applications for industries such as automotive, locomotive, agricultural, marine, plumbing, lighting, and many more。
There are several alloys that can be used: zinc, aluminum, magnesium, brass, and copper。 Every alloy offers a unique advantage。 Let´s take a look at a few: Aluminum is one of the commonly used alloys because it is light-weight, very strong, corrosion-resistant, and it easily polished or painted for an appealing finish。 Zinc offers high impact strength and is the easiest to cast。 Brass is heat-resistantMulti slider die casting machine, highly corrosion-resistant and provides excellent electrical conductivity。
eMulti slider die casting machine casting is an efficient, economical process that offers a broader range of shapes within closer tolerances than many other metal manufacturing techniques。 They can be produced with smooth or textured surfaces, and they´re easily plated or finished with a minimum of surface preparation。 They can even be designed tozinc die casting complement the look of a surrounding part。
There are several more benefits to choosing die casting over other manufacturing processes。 High pressure die castings are heat resistantzinc die casting, highly durable, and provide close tolerances。 They reduce or eliminate secondary machining operations making them cost efficient。 High pressure die casting is ideal for anyonedie casting machine who needs a large quantity of intricate metal shapes that are highly durable。
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