Metal spinning is a procedure for making or sculpting metal disks that rotate at high speeds to form symmetric parts. This technique is very similar to clay pottery or sculpting. Metal spinning can either be done using specialized tools using CNC lathes, which are automated or it can be done manually. Metal spinning is simple molding or forming the sheet of metal and does not include removing the material which is conventionally done with metal turning or wood.
Metal spinning companies are very specialized and they focus mainly on processes of metal forming and sculpting. Metal spinning is usually used to manufacture parts like gas cylinders, brass instruments, steel bowls, satellite dishes and cookware. Metal spinning is a process which can be of use to form nearly different kinds of ductile metals, such as; titanium, aluminum, copper, stainless steel, brass, carbon steel to high temperature and high strength alloys such as haste alloy and inconel. The depth and diameters of the parts that are formed, totally depends on the size of the machinery and equipments that are available to make them. If the equipments are too small, it cannot manufacture parts that are larger in sizes and vice versa. In short, the right machinery is required to produce the right size and diameter of parts for metal spinning.
Metal spinning companies follow fairly simple procedures. The metal spinning can either be a hot or a cold forming procedure, which depends on the type of material used. Hot spinning is a process, where high heat is applied from a torch on the work piece or the part that has to be formed. When the metal is heated, it gets easier to shape the metal, as the lathe is pressed. This helps in distorting the metal when it spins. Once this is done, the heated part can then be reduced or necked down to form smaller diameter with very little force and minimum work.
With the advent of improved and high quality spinning technologies, less material is wasted as compared to the older and conventional spinning techniques. There are many advantages and disadvantages to metal spinning. Several procedures can be executed in a single set-up. Part geometry and formation of parameters can be altered at less cost and can be done quickly. It is better than hand spinning, as technicians have less control over the CNC machine. Due to limited manpower, it is difficult to spin thick metal parts in hand spinning procedure, since it can only process metal parts of 1.5mm thickness. One of the greatest disadvantages of metal spinning is that, in case of a dent or a crack, the whole part has to be scrapped. Repairing the part or object may not be a very feasible option.
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There are some other methods that can be used for forming metals, such as; stamping, casting, hydro forming and forging. These procedures are also used to sculpt metals or parts other than the conventional metal spinning procedures. However these have higher costs, but their variable costs are low as compared to the metal spinning techniques. The tools and the costs for production are also very low for spinning. As there is great improvement in the machinery, spinning of the parts are done with thick materials, such as thick steel. There is less wastage of material in conventional procedures of spinning in comparison to other methods.
Dinnovation metal spinning specializes in CNC spinning. CNC is a specific form of machinery which is used for metal spinning and the equipments are used to create good quality parts or objects by way of spinning procedures. This industry of spinning caters to making products that are used for hotel, automobile and military. They focus largely on the quality of the products, keeping in mind various innovative techniques to provide efficiency and cooperation to the customer. The various processes that are carried out include, welding, processing holes, polishing and metal forming. All these procedures include varied and specialized techniques which are required for spinning of the metal parts to various shapes and sizes.