What Is A Wood Pattern Maker

You may need some previous work related skill knowledge or experience to be a wood patternmaker for example an electrician must complete three or four years of apprenticeship or several years of vocational training and often must have passed a licensing exam in order to perform the job. Each pattern must be carefully designed to prevent damage to the mold once it s removed. Wood patternmakers plan lay out and construct wooden unit or sectional patterns used in forming sand molds for castings.

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Wood pattern makers utilize various measuring and marking tools such as squares shrink rule and scriber in designing wood patterns according to details and specification.

What is a wood pattern maker. These can be used for hundreds of castings but do eventually begin to deform or split. Specialists in wood metal and plastic might use lacquers. It is a replica of the desired casting usually in a slightly larger size to offset the shrinkage of the intended metal. However they re relatively inexpensive to make and can make very large castings.

Steinmetz sep 16 2005 05 12am 3. Wood patternmakers use protractors rulers band saws and sanders to shape wooden components that they then assemble into a whole model. They create sections on wood stock by cutting and shaping wood parts using power tools such as lathe machine planar and bandsaw. Due to factors such as metal shrinkage draft and complex shaping the original pattern is crafted slightly oversize and possibly made with take apart components.

Bald in the strictest sense a pattern maker crafts and builds the pattern or mold to the correct specifications neccessary to cast many identical metal or plastic parts in a mold. They also read blueprints drawings or written specifications to determine sizes and shapes of patterns and required machine setups. A single piece pattern or loose pattern is the simplest. Patterns are made of wood metal ceramic or hard plastics and vary in complexity.

While a molder is typically responsible for the general design it is the metal or wood pattern maker who is responsible for constructing the form or die that is used for molds. Wood is the basis of most sand casting patterns usually from a hardwood that can withstand the heat and humidity of the foundry.