The design of a lure is first created using a computer-aided design (CAD) software package. The CAD data is then used to create a machining program that specifies the precise dimensions and locations of the cutting tools that will be used to carve the lure’s individual parts out of blocks of plastic.
The carved parts are then placed in an injection molding machine, where they are heated until they are molten. The molten plastic is then injected into the mold cavity, where it quickly cools and solidifies. The finished lure is then ejected from the mold and is ready for use.
The cooled lure is then removed from the mold and undergoes a finishing process where it is painted and/or clear coated. Finally, it is packaged and shipped to retailers.
The plastic is then heated and formed into its desired shape. It is then cooled and trimmed to size. The eyes and hooks are attached, and finally, the paint is applied.
The most common type of plastic used for fishing lures is polyvinyl chloride (PVC). PVC hardens quickly and can be molded into a variety of shapes. It is also durable and resists weathering. Other types of plastics that can be used for lures include acrylics, polypropylene, ABS, and PETG.
The mixture is then poured into a mold and cured in an oven. The curing process takes several minutes, and when it is complete, the lure is ejected from the mold and ready for use.
Molten plastic is injected into the cavity between the two halves of the mold and when it cools, it solidifies and becomes the lure body. You can also use a process called compression molding where you have a pre-made master plug (usually made from wood or metal) and you use that to make a positive impression in rubber or silicone.
This rubber or silicone plug is then used to create a negative impression in hot plastic which forms your lure body. There are also some manufacturers that make lures from a solid block of plastic using a process called CNC machining. In this process, a computer controls a router or cutter to remove material from the block of plastic until the desired shape is achieved.
This method is usually reserved for more complex shapes or smaller production runs. No matter which method is used, once the lure body is made, it then needs to be painted and have the hooks and other hardware attached.
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