Definition of Preform. Meaning of Preform. Synonyms of Preform

Here you will find one or more explanations in English for the word Preform. Also in the bottom left of the page several parts of wikipedia pages related to the word Preform and, of course, Preform synonyms and on the right images related to the word Preform.

Definition of Preform

Preform
Preform Pre*form", v. t. [L. praeformare. See Pre-, and Form.] To form beforehand, or for special ends. ``Their natures and preformed faculties. ' --Shak.

Meaning of Preform from wikipedia

- Look up preform in Wiktionary, the free dictionary. Preform may refer to: Preform, a piece of gl**** used to draw an optical fiber Preform, a piece of...
- molding. The blow molding process begins with softening plastic by heating a preform or parison. The parison is a tube-like piece of plastic with a hole in...
- large-diameter preform with a carefully controlled refractive index profile, and then pulling the preform to form the long, thin optical fiber. The preform is commonly...
- fibre-reinforced polymers. Fibre preforms are how the fibres are manufactured before being bonded to the matrix. Fibre preforms are often manufactured in sheets...
- steps have yet been taken to shape them, or they become a preform. The next stage creates a preform, or roughly shaped piece of stone, that probably reveals...
- Many methods are used to manufacture the solder preform, stamping being the most common. The solder preform may include the solder flux needed for the soldering...
- whereas other preforms require grinding and polishing. The following section describes basic traits of preform choice: Formed Ball Preform “Used specifically...
- Three-dimensional composites use fiber preforms constructed from yarns or tows arranged into complex three-dimensional structures. These can be created...
- Injection moulding (U.S. spelling: injection molding) is a manufacturing process for producing parts by injecting molten material into a mould, or mold...
- optical fibers: first, one constructs a "preform" on the scale of centimeters in size, and then heats the preform and draws it down to a much smaller diameter...