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Plug Construction Guide

Plug Construction Guide

The first step in the fiberglass mold-building process is to create a plug. A plug is the form which is to be duplicated and is usually a representation of the finished part. This can be an actual part or a mock-up of a part. When planning for the plug and mold, many factors must be taken into consideration, especially surface finish, draft angles, undercuts, and method of production. A composite mold that is going to be used for vacuum bagging, vacuum infusion or closed-molding processes will require large flanges.

Plug Construction Guide

The first step in the fiberglass mold-building process is to create a plug. A plug is the form which is to be duplicated and is usually a representation of the...

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Moldless Composite Construction

Moldless Composite Construction

Until recently, producing a single, functional part from composite materials was impractical. Much of the problem was due to the rough and wavy surface that usually resulted when these materials were not used inside a mold. Also, non-artistic builders find it intimidating to sculpt the shapes freehand. Finally, many resin materials are formulated to be used inside a mold and do not work properly when exposed to air. Consequently, someone wanting to build a single part or prototype, even the plug for a mold, would often be discouraged and turn away from composites before even getting started!

Moldless Composite Construction

Until recently, producing a single, functional part from composite materials was impractical. Much of the problem was due to the rough and wavy surface that usually resulted when these materials...

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Molding Fiberglass

Molding Fiberglass

Composites offer tremendous possibilities for part fabrication once a few basic concepts are understood. The key lies in understanding the different materials available, their applications, and the best ways to handle them.

Molding Fiberglass

Composites offer tremendous possibilities for part fabrication once a few basic concepts are understood. The key lies in understanding the different materials available, their applications, and the best ways to...

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Mold Construction Guide

Mold Construction Guide

What is "molding"? Molding has been used for years to form metal products like car body panels, home appliances, and industrial fixtures. Metal stamping dies are cumbersome and cost thousands of dollars to produce. Most often, only larger companies can afford to build, operate and maintain these tools. Composite materials offer a cost effective way for anyone to make even large production runs of identical parts in molds they can produce themselves.

Mold Construction Guide

What is "molding"? Molding has been used for years to form metal products like car body panels, home appliances, and industrial fixtures. Metal stamping dies are cumbersome and cost thousands...

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Introduction to Urethane Casting Resins

Introduction to Urethane Casting Resins

Fibre Glast casting resins are designed to be poured into open or closed molds, without reinforcement, to make short-run parts, prototypes, molds or tools. Urethanes are polymers with a wide range of properties, strengths, and uses, from custom elastic machine parts and pliable molds to hard plastic prototypes, coating and lenses.

Introduction to Urethane Casting Resins

Fibre Glast casting resins are designed to be poured into open or closed molds, without reinforcement, to make short-run parts, prototypes, molds or tools. Urethanes are polymers with a wide...

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Guidelines for Sandwich Core Materials

Guidelines for Sandwich Core Materials

The rising demand for new materials with higher strength to weight ratios has created a dramatic growth in sandwich composite technology. Sandwich construction employs a lightweight core that has a flexural strength and flexural modulus far exceeding that of the skin laminates alone.

Guidelines for Sandwich Core Materials

The rising demand for new materials with higher strength to weight ratios has created a dramatic growth in sandwich composite technology. Sandwich construction employs a lightweight core that has a...

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