automatic screw machine การใช้

The rods were located in-inch Acme-Gridley automatic screw machines where slugs were cut from the rods.
In the 1970s SIG developed a very high quality and highly efficient type of production machinery known as an Automatic Screw Machine.
Production included copper, brass, rubber and plastics processing, molding and tubing, iron castings, sheet metal, electric, automatic screw machine, textiles, and foundry products.
In 1876 Hartford Machine Screw was granted a charter " for the purpose of manufacturing screws, hardware and machinery of every variety . " The basis for its incorporation was the epochal invention of the first single-spindle automatic screw machine.
He attributed much of the exceptional growth of that year to the boom in automatic screw machines and similar machinery, and commented that he had placed orders for between 15 million and 18 million steel balls and that gas furnaces were selling well.