{"id":4634,"date":"2021-10-07T14:09:34","date_gmt":"2021-10-07T12:09:34","guid":{"rendered":"https:\/\/www.3pcorporate.com\/\/?page_id=4634"},"modified":"2021-11-04T12:22:36","modified_gmt":"2021-11-04T11:22:36","slug":"machining","status":"publish","type":"page","link":"https:\/\/www.3pcorporate.com\/en\/engineering\/machining\/","title":{"rendered":"Machining"},"content":{"rendered":"

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Dedicated equipments for high performance plastics machining<\/h1><\/div>

Knowing each material property is essential when it comes to machining. Achieving tight tolerances in a rapid process is only possible when knowing at least the softness, the thermal dilatation and the material strength. Furthermore, a CNC machining depends on the material grade and on the compounds.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

High performance plastic machining ensures solutions with high properties<\/h2><\/div>
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Machining is essential for finished parts, especially for extreme tolerances or complex parts. Many different products require machining: insulators, guides, beads, seals, washers, breakers, all of these are just common examples of machined parts from high performance plastics.<\/p>\n

The shape and the use conditions of such parts prove machining to be the best suitable process. Indeed, state of the art tolerances or surface finishes are critical for applications requiring high sealing or low friction and wear.<\/p>\n<\/div>\n

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Machining will also depend on the quality of the basic shape. Milling or turning plastics will be more efficient if the semi-finished part is cohesive, isotropic, with tight tolerances on dimensions.<\/div><\/div><\/div><\/div><\/div><\/div><\/div>

Dedicated machining tools for high performance plastics<\/h2><\/div>
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High performance plastic machining will benefit from dedicated tools and know-how.<\/p>\n

Fluoropolymer especially tend to be soft, but resilient. Moreover, the industry requires lots of filled fluoropolymers, also known as compounds, and therhave a strong wear-effect on tools. These polymers are also well-known for their quite high thermal expansion, especially when compared to metal. They also feature low thermal conductivity, as they are often used as thermal insulators. With all these thermal properties, a fine control of tool speed and feed is necessary to produce high quality parts. For high tolerances and best surface finishing, machining must be adapted to these materials with unique properties.<\/div>\n
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For example, virgin PTFE or Teflon basic shapes are easy to machine. They have low strength when compared to usual engineering polymers, like polyamide. But its high coefficient of expansion makes it difficult to achieve tight tolerances. On the contrary, PEEK based composites are quite hard and require their own CNC procedures. But their stability, with a coefficient of thermal expansion near that of metal, easily allow tight tolerances and surface finish. This is especially true for composites in the XC\u00ae2 range, with continuous carbon fibers.<\/div>\n
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Therefore, machined parts made of high performance plastics often need dedicated tools for best results. Such tools improve surfaces finishes and take into account the internal stresses of the material, which are relieved during machining.<\/p>\n

While they can be supplied as basic-shapes or semi-finished products, optimized machining by 3P is preferred for monitored quality.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":4512,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-4634","page","type-page","status-publish","hentry"],"yoast_head":"\nMachining - 3P Corporate<\/title>\n<meta name=\"description\" content=\"Knowing each material property is essential when it comes to machining. 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