The Art of CNC Machining: From Rivets to Tack Welding(bending sheet metal Abbott)

Computer Numerical Control (CNC) has been a cornerstone of modern manufacturing technology. This process uses computer-controlled machines to shape and create components with the utmost precision and efficiency. Two critical elements often involved in this method are rivets and tack welding, both vital to securing different parts together for ultimate stability.

Riveting is an age-old technique that involves placing a metal pin (rivet) into a hole and deforming the end so it stays there permanently. This ensures the joined surfaces stay intact even under immense pressure or distortion. However, traditional hand-riveting techniques have long given way to automated processes using CNC machinery.

In the CNC machining environment, robotic arms manipulate the riveting tools for maximum speed and accuracy. The pre-programmed sequence allows these machines to position, drive, and secure the rivets at incredible rates – often hundreds per minute. To produce high-quality rivets within a CNC setting, careful planning must be incorporated into the production process.

First, the design team creates detailed CAD models of the product specifying where each rivet will go and the corresponding sizes. They input these details into the machine’s software, creating complex algorithms for determining the optimal riveting sequence to maximize productivity while minimizing mistakes. Once complete, these instructions get transmitted to specialized robotic equipment, designed to follow them accurately.

Now comes the fabrication stage. Here, punch presses drill holes into materials, as per the programme’s instructions, down to fractions of a millimeter. Robotic manipulators then insert rivets into these holes. Next, using hydraulic devices precisely calibrated based on material hardness, thickness, and size of the rivets, they deform the ends to achieve a permanent hold. Quality control is equally crucial here, involving checks with advanced inspection cameras ensuring every rivet has been placed correctly and deformed enough to provide sufficient grip.

Alongside rivets, tack welding is another technique frequently used in CNC machining. This method involves joining metal pieces together using spot-welds before doing the final welding. Tack welds act like temporary joints holding parts in place until more permanent ones are made – much like pins used by tailors to keep fabric sections aligned while sewing them together.

CNC machining significantly simplifies this task due to its increased precision and consistency. Once again, the initial steps involve designing an algorithm highlighting where each weld ought to go to provide optimal structural integrity without compromising the product’s finish. The machine then follows these instructions, positioning the tool, adjusting temperature settings, deploying the weld, and occasionally even checking for quality control purpose.

The combination of accurate handling and pinpoint heating typically allows a greater level of decision making related to choosing materials that would not have been possible with manual methods. High-tech sensors guide the system to alter temperatures according to what’s necessary for each specific point on the component, eliminating any excessive thermal stress or distortion from the equation entirely.
bending sheet metal, spot welding

With both automated riveting and tack welding techniques playing vital roles within CNC machining processes, businesses can reap the benefits of improved productivity, enhanced accuracy, reduced waste, lower labor costs, and greatly increased flexibility.

In review, both Rivets and tack welding underscore how CNC machining brings together ancient manufacturing practices with modern technology to deliver truly revolutionary results. Through significant advancements in design software, robotics, and sensory hardware, traditional rudimentary practices such as manual riveting and tack welding are now firmly rooted within the realms of advanced automation and state-of-the-art engineering.

Want.Net Technical Team

Want.Net Technical Team

The Want.Net Technical Team has diverse members with extensive education and training in CNC machining. They prioritize precision, efficiency, and innovation to provide high-quality manufacturing solutions globally.

Push Your Order into Production Today!

Table of Contents


You’re one step from the  factory-direct price of part manufacturing services.