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Archive for October, 2010

The Simple Process of Metal Spinning

Monday, October 18th, 2010

The Simple Process of Metal Spinning

Metal spinning is an essential process in metalworking by which a metal tube or a metal disc is spun at high speed in order to form into a part that regards symmetry around an axis. The symmetric property considered by metal spinning is axially symmetry. Spin forming can also refer to metal spinning. For simplicity, spinning can be used to indicate metal spinning as a metalworking process. There are two primary ways in order to perform metal spinning: either by hand or by means of a CNC lathe that is ultimately putting back the older lathes due to its easiness and convenience in operation and setting.

By and large, round metal parts are produced by means of metal spinning. Practically any kind of metal characterized by ductility can be used for metal spinning. Depending on the capability of the available equipment, the depth and the diameter of the formed parts differ. Most of the time, metal spinning is used in order to give accents to architectural designs. Details on different metal forms are also highlighted out of metal spinning. Lighting fixtures as well as decorations also utilize metal spinning for commercial applications.

A simply process is undergone by any metal that has to be spun. A form, also called mandrel, is escalated in the lathe’s drive section. By means of a pressure pad, a metal disk is pressed together against the form. The pressure pad used is clamped against the tailstock which is a sliding or a movable support for the center of a lathe. At high speeds, the form and the sheet metal is spun together. In order for the sheet metal to flow over the form, a force that is confined to a small area is tendered by way of different knobbed tools.

An associated operation is called hot spinning wherein the piece of metal is spun on a lathe coupled with metal heating by the use of high heat. Once the metal is heated, it is given its desired form while the tool present on the lathe gives the pressure against the surface that is heated. This goes to show that the shaping is done by means of distortion due to the hot spinning.

Williamsburg Metal performs metal spinning at its best. However, due to the low costs of tooling, metal spinning is comprehensively utilized manually for the production of one thousand pieces or less. Deep drawn forms are extensively used for the metal spinning of Williamsburg Metal. Most of the times, clients go to Williamsburg Metal in order to immediately prototype round hollow forms of metal. Metal spinning is performed by Williamsburg Metal by the use of applying a levered and even force to the metal. The force is homogeneously applied by means of spinning or rotating the metal with its anticipated mandrel or form at very high revolution per minute. The most important part is the production of spun metal that has no warble or wrinkle as the metal is being deformed due to metal spinning.

Highest Capabilities of Metal Stamping

Monday, October 4th, 2010

Highest Capabilities of Metal Stamping

When it comes to metal stamping, high quality must always be thought about as a very important factor to consider. Not to mention, the functional specifications of metal stamping must be developed for a superior engineering and design. In order to produce various components and parts, the setup should be at its best including the process and application design. The engineering is best united with consulting in particular for the design that results to the development of standard parts and products.

Williamsburg Metal has the highest capabilities as far as metal stamping is concerned. With its ability to press up to 200 tons using greater than 30 metal stamping operations, its maximum depth is 7 1/2 inch. A good thing about Williamsburg Metal is its specialization in deep drawn parts. Any client who wants to have thousands of quantities to be delivered on the dot can take advantage of Williamsburg Metal as well as its cost savings.

Deep drawing is the pride of Williamsburg Metal. It is a cold forming process wherein the course of shaping a flat blank of sheet metal is highlighted. The shaping is done by means of a punch that forces the metal into a die cavity. There are other drawing processes apart from deep drawing but the depth of the part that underwent the latter can be more than its diameter.

There are also other operations involved in metal stamping that are attended by Williamsburg Metal including blanking and shearing.

Blanking is the procedure wherein a part shape is done away with the sheet material. The shaped punch is forced through the sheet material in order to let it into the die. For most of the primary metal stamping operations, blanking is required as the first step before getting into the operation. Williamsburg Metal can use any kind of metal for blanking. The resulting depth of the blanking can up to 3/32 inch, while the diameter is up to 16 inches.

Sheet metal forming as well as metal stamping blanks can also undertake shearing by Williamsburg Metal. The power of the two shearing machines of Williamsburg Metal can get into the depth of 1/8 inch, while the diameter for the circular shearing is up to 48 inches.

Further metal stamping operations are embossing, notching, and piercing. Embossing is a cold forming that is based on well definition. The cold forming of the imprint is set on a formed part. On another hand, notching is the piercing of holes in the sidewall or flat of any formed part. The holes can be of any shape. Lastly, punching is a metal stamping operation that is comparable to blanking but the slug that is punched out is considered as waste.

Williamsburg Metal is also up to making progressive metal stamping tool and die on top of deep draw metal stamping tool and die. Dies and in house tools for metal stamping are regarded with inventory in order to cut cost when it comes to tooling that is why all tooling is done in house.


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