Exploring the Many Types of Fasteners used in CNC Machining(copper or bronze Greg)
- source:CLAREY CNC Machining
CNC machining has revolutionized the manufacturing industry, allowing for precise and efficient production of various products. One crucial aspect of this process is the use of fasteners, which hold components together securely. In this article, we will delve into the world of fasteners, discussing their types and applications within the context of CNC machining.
1. Bolts and Screws:
Bolts and screws are commonly found fasteners that play a vital role in CNC machining. These threaded fasteners secure multiple components together by utilizing external threading on bolts or internal threading within screws. Depending on the application, different head styles, such as hexagonal, Phillips, slotted, or Torx, can be used to enable easy installation and removal. The production process involves cutting threads onto shanks, forming heads, and applying coatings, ensuring optimal performance in diverse environments.
Nuts complement bolts and screws by providing the necessary female threads required for fastening operations. Various types of nuts, including hex nuts, wing nuts, locknuts, and weld nuts, are utilized based on specific requirements. Manufacturing these pivotal hardware components involves processes like machining, casting, or forging, enhancing their durability and reliability during CNC machining operations.
Washers are essential fastener accessories that distribute the load and prevent damage to the components being joined. Flat washers are common and act as spacers between the fastener head or nut and the surface it contacts. Spring washers provide additional support by exerting residual tension when compressed, preventing loosening due to vibrations. Producing washers often involves stamping metal sheets followed by heat treatment or surface coating processes.
Rivets are widely employed fasteners in CNC machining when joining materials like metal sheets, leather, or fabric where alternate methods might not be suitable. These non-threaded fasteners consist of a cylindrical body and a head, and they are typically inserted through pre-drilled holes using specialized tools. Once the shank's end is expanded by hammering or squeezing, it forms a second head, ensuring a secure connection.
Anchors are used in CNC machining to provide extra support when joining materials to structures where load-bearing capacity is essential. They can be mechanical, chemical, or adhesive anchors. Mechanical anchors utilize expansion mechanisms upon installation to prevent pullout, whereas chemical anchors bond chemically with the base material. Adhesive anchors rely on epoxy resins, which cure and adhere firmly, providing stability and strength.
Clips are versatile fastening solutions commonly used for securing wires, cables, or panels together within CNC machined products. Spring clips, retaining clips, and circlips are some examples that ensure easy assembly and disassembly while maintaining firm attachment. Manufactured from various metals or plastics, these clips feature varying designs, such as tension or snap-fit, making them compatible with different applications.
Fasteners play a paramount role in CNC machining, ensuring precise and stable connections between components. Whether it is bolts, nuts, washers, rivets, anchors, or clips, each type has its unique application and functionality during the production process. Understanding the diverse range of fasteners available allows manufacturers to choose suitable options based on their product requirements. By considering factors like material, size, thread type, and coatings, precision and reliability can be achieved in CNC-machined products. CNC Milling