Screw machines — also called turning centers or automatic lathes — were invented in 1861. Joseph R. Brown, the inventor, wanted to cut spirals from metals and manufacture the same part many times. Today, automatic screw machines create small parts for various industries.
An automatic screw machine is a metalworking lathe that machines hard materials into designed components using turning, lathing and cutting techniques. Screw machines produce a high volume of parts for a low cost since they can create duplicate parts using computer numerical control (CNC) technology.
Screw machines are made of cams and a hollow spindle. The operator feeds a cylindrical rod of feedstock into the machine. This feedstock can be various types of metals and alloyed metals, including:
The CNC screw machine chips at the material to manufacture components such as:
These fasteners have various uses in:
Screw machines make fasteners by mounting the feedstock a couple different ways, depending on the machine type:
The two types of screw machines are:
Swiss screw machines can be further broken down into two types:
Turret screw machines produce similar results to the Swiss machines with fewer tooling fixtures. Most turret machines have a transfer attachment to move the fasteners to another machine for any secondary operations.
If you're interested in purchasing an automatic screw machine, shop the selection at R.R.I.C. Our inventory includes Acme Gridley screw machines and options from other brands. These screw machines can precision machine fasteners from plastics, castings, stainless steel and more. Learn more about our CNC screw machine inventory by contacting us online.