Search results
Results from the WOW.Com Content Network
Area codes in New York state: area codes 516 and 363 are highlighted in light brown. Area codes 516 and 363 are telephone overlay area codes in the North American Numbering Plan (NANP) for the U.S. state of New York. The numbering plan area (NPA) comprises Nassau County on Long Island. Area code 516 was created in 1951, while area code 363 was ...
In the printing industry, a hand mold specifically refers to a two-part mold used for casting hand-made type.Inside the mold is a matrix. [1]In particular, it refers to a system for casting movable type, pioneered by Johannes Gutenberg, which was widely used in the early era of printing in Europe (15th-16th century).
Woodblock printing had been known in China for centuries. It was innovations in type casting that made for Gutenberg's breakthrough of commercially printing. [1] Although using matrices was a technique known well before his time, Johannes Gutenberg adapted their use to a conveniently adjustable hand mould, enabling one to easily and accurately cast identical multiple instances of any character.
Get the latest news, politics, sports, and weather updates on AOL.com.
If the metal is introduced to the mold at a higher temperature (in this case, above 427 °C or 801 °F), it will wear the silicone prematurely, shortening the mold life. If the metal is introduced at significantly lower temperatures (below 413 °C or 775 °F), its solidification time will similarly be shortened resulting in incomplete or low ...
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.
The mold life is dependent on four factors: the mold material, the pouring temperature, the mold temperature, and the mold configuration. Molds made from gray cast iron can be more economical to produce but have short mold lives. On the other hand, molds made from H13 tool steel may have a mold life several times greater.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!