The Ultimate Guide to Types of Fasteners in CNC Machining--cncmass.com(brass price per lb Woodrow)
- source:TAMIKO CNC Machining
In the world of CNC machining, fasteners play a crucial role in holding components together securely. There is a wide variety of fasteners available, each serving its own specific purpose. In this comprehensive guide, we will explore the various types of fasteners used in CNC machining processes and their applications.
Screws are one of the most common types of fasteners utilized in CNC machining. They consist of a threaded shaft and a head. The threads on the shaft enable screws to be easily inserted into pre-drilled holes. Machine screws, self-tapping screws, and set screws are some popular variations that cater to different requirements. Self-tapping screws are especially useful when dealing with materials like plastic or thin metal sheets, as they create their own threads while being driven in without the need for tapping.
Bolts are similar to screws but differ in their application. While screws are used to join two or more components, bolts primarily serve as load-bearing connections. Bolts typically have a larger size and are inserted through pre-drilled holes, secured at the other end using nuts. With a bolt and nut combination, a more robust joint can be achieved. These fasteners are crucial when strength and stability are priorities.
Nuts complement bolts by providing the necessary clamping force when tightened against a surface. They come in various shapes, including hexagonal, square, winged, and flanged. Lock nuts incorporate additional features such as nylon inserts or crimping to prevent loosening due to vibrations. CNC machinists often use nuts along with bolts to create reliable and durable connections.
Washers are flat discs with a hole in the center. They are placed between the fastener and the surface it connects to. Washers distribute the load evenly, preventing damage to the surfaces and improving stability. Flat washers, lock washers, and spring washers are common types used in CNC machining processes. Lock washers provide greater resistance to loosening while spring washers maintain tension in joints where there may be slight movement.
Rivets are permanent fasteners used when welding or screwing is not feasible. They consist of a cylindrical shaft and a head, and they work by deforming the shaft until it expands and locks into place. This creates a secure, tamper-resistant connection. Rivets find applications where high strength and tight sealing are required. In CNC machining, rivets often play a crucial role in aerospace and automotive manufacturing.
Anchors are specifically designed for attachment to softer materials like concrete, drywall, or wood. These fasteners enhance stability by providing a solid point of attachment. There are various anchor types available, including expansion anchors, plastic anchors, and toggle bolts. Expansion anchors expand against the material's internal surface, ensuring a reliable grip even under heavy loads.
7. Clips and Clamps:
Clips and clamps offer quick and easy fastening solutions in CNC machining operations. They securely hold components in place during machining processes such as milling, routing, or drilling. C-clamps, step blocks, and toggle clamps are commonly used clips and clamps in CNC machining workshops, facilitating efficient workflow and ensuring precise results.
Fasteners are an integral part of CNC machining, allowing components to be securely connected in diverse applications. Understanding the different types of fasteners available, their characteristics, and suitable applications is essential for successful CNC machining projects. By selecting the right fastener for each specific purpose, manufacturers can ensure reliable connections, enhancing product quality and performance. CNC Milling CNC Machining