How Electric Motors Work HowStuffWorks

Electric motors are everywhere In your house almost every mechanical movement that you see around you is caused by an AC alternating current or DC direct current electric motor A simple motor has six parts By understanding how a motor works you can learn a lot about magnets electromagnets and electricity in general

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Uses of Aluminum

The uses of aluminum are varied and diverse Today it is used in commerce transportation and other industries Some of its applications are well known while others are not so obvious Apart from consumer products the metallic element is also used in glass creation Use in Households This metallic element is used for door knobs window frames and kitchen utensils



Casting Defects

20 ensp 0183 ensp Casting Defects Sand Mold Metal Casting Introducing various metal casting defects with many pictures by Dandong Foundry in China These are the common sand casting defects on the surface and inside of cast iron and cast steel parts 1 Blowhole and Pinhole This is a kind of cavities defect which is also divided into pinhole and subsurface blowhole

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Import Export Taxes and Duties in China

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3 ensp 0183 ensp FUNDAMENTALS OF METAL CASTING Casting Process in which molten metal flows by gravity or other force into a mold where it solidifies in the shape of the mold cavity In sand casting cores are generally made of sand 169 2002 John Wiley amp Sons Inc M P Groover Fundamentals of Modern Manufacturing 2 e

What is the High Pressure Aluminum Die Casting

Once a high pressure die casting tool is produced the cost to make high pressure die casting parts is very little We have an in house toolmaker who can make your high pressure die casting die or fit your inserts into one of our holders at a very competitive price Tooling Die Casting Tooling for Aluminum Parts Die Casting Part Quality

Production Planning and Control

4 ensp 0183 ensp Production planning takes care of two basic strategies product planning and process planning Production planning is done at three different time dependent levels i e long range planning dealing with facility planning capital investment location planning etc medium range planning deals with demand forecast and capacity planning and

Sand Casting For Manufacture

10 ensp 0183 ensp A mold must have the physical integrity to keep its shape throughout the casting operation For this reason in sand casting the sand must contain some type of binder that acts to hold the sand particles together Clay serves an essential purpose in the sand casting manufacturing process as a binding agent to adhere the molding sand together

Different Types of Casting Processes used in

Casting manufacturing is a process in which liquefied material such as molten metal is poured into the cavity of a specially designed mold and allowed to harden After solidification the workpiece is removed from the die to undergo various finishing treatments or for use as a final product Casting methods are typically used to create intricate solid shapes and cast products are found in a

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18 ensp 0183 ensp The casting process involving the use of sand as molding medium can be classified as a sand molding process These are used for over seventy percent of castings produced The stages involved in the sand molding process include sand preparation pattern making core making molding and closing Iron casting foundry India uses different kinds of

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Causes of Shrinkage in Casting Process and Solutions

The most common causes of shrinkage are related to the die casting sprue which is the passage through which molten metal is poured into a mold In some areas such as the heavy sections of the mold the metal takes longer to contract and solidify which reduces feed material availability and increases the likelihood of shrinkage especially if

Die Casting Vs Sand Casting What s the Difference

Die casting and sand casting are two of the most common casting processes Learn more about the differences between die casting and sand casting courtesy of the die casting experts at Premier Die Casting Discover why you should choose one process over the other for your next casting project

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4 Popular Types of Welding Procedures

7 ensp 0183 ensp 4 Types of Welding Processes Gas Metal Arc Welding GMAW MIG This style of welding is also referred to as Metal Inert Gas MIG It uses a shielding gas along the wire electrode which heats up the two metals to be joined This method requires a constant voltage and direct current power source and is the most common industrial welding process

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