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With a horizontal boring mill or a vertical boring mill machine available, when would you need a boring mill machine? Let’s consider the reasons.
Large Parts
When you have very large workpieces, a boring mill is exactly the machine you need. With its larger configurable space, a boring mill can mount larger workpieces than a horizontal milling machine.
The boring process takes place after other hole making operations, such as drilling or reaming, make the initial hole. Using the existing pre-drilled hole, boring produces more accurate size holes to meet the specific tolerance specifications. Because of the exacting requirements of the boring process, operators should adhere to the following best practices.
When operating a boring bar excessive machining vibrations or chatter can occur because of several issues. To assure you’re maximizing efficiency and producing the best quality part finish, you must avoid basic mistakes that could be causing tool chatter in the boring process. In this blog we will discuss several tips to reduce and eliminate tool chatter.
Dull Cutters
When using a dull cutting tool, chatter will occur because the cutting force necessary is greater. The more a cutter is in operation, the more it will have galling or built-up edge (BUE). To avoid this problem, inspect your tool before operation to determine it has a a sharp cutting edge and fits your exact application.
Incorrect Speeds & Feeds
Using too high of a chip load in the boring process causes deflection, which increases the chances of tool failure. A chip load that is too low causes the tool to bounce off the material because it doesn’t allow the tool to cut enough. Both errors cause chatter and poor quality. It is critical to use the speeds and feeds recommended for the tool when running a boring bar.
No Workpiece Support
Poor or no support on the workpiece in the boring application will result in chatter. Be certain the correct workholding device is solidly set in place to ensure your setup is as rigid as possible. Secure tool holding is also essential for the proper boring performance.
Poor Starter Hole
Beginning a boring project by drilling a proper starter hole ensures the boring bar has sufficient contact with the workpiece for a stabilized cut. The boring bar could deflect off the workpiece if the starter hole is too large and will not have enough clearance if the hole is too small, leading to tool wear and eventual failure. The two critical dimensions to consider when selecting a drill to prepare the workpiece are the head width and minimum bore diameter.
Universal DeVlieg provides innovative and cost-cutting tool holding and high precision boring solutions to the machine tool industry, servicing a diversified customer base. The combination of over 32,000 active part numbers, over 10,000 standard items, and our technical support staff deliver design engineering expertise that is unmatched in the industry. To learn more about Universal DeVlieg, contact us This email address is being protected from spambots. You need JavaScript enabled to view it. or 877.308.3077 or visit at universaldevlieg.com.
While the process of boring enlarges generally pre-drilled holes, there are several machines that can accomplish this operation. In this blog, we will review the most common types of boring machines.
The CNC boring process has many industrial applications, such as boring holes in screws, making engine cylinders, and to bore holes into bearings, dowels, and other material that require hollow components.
Various industrial machining processes are similar to boring. However, the boring process delivers the best results when large holes require high precision and tight tolerances. To choose the correct method, it is essential to know the similarities and differences between boring and other machining techniques.
Poor quality in the boring process can adversely affect the quality of the finished product and cause future safety issues. To produce the proper bore, you need to understand the factors involved to avoid any issues that could occur during the process. Here are three of the most common boring issues you need to avoid assuring quality.
The process of boring is the perfect application to drill accurate and precise holes in various materials. While boring offers several benefits to machinists, it can also present challenges. As with any manufacturing technique, it is best to understand the challenges a process could involve before beginning a project. This blog will identify and discuss several of the main boring operational challenges.
The boring process requires attention to the details of the machining process to produce a successful outcome. The following are tips to achieve the best outcome when boring a hole into a workpiece.
The boring process of enlarging pre-drilled holes utilizes various machines to suit different parameters. In this blog, we will discuss the types of boring machines.
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It is common in manufacturing for parts and materials to go through multiple cutting processes to meet the product's exact specifications. This production includes producing holes in the material. While operations such as drilling create holes, boring works best for holes of different diameters, precision requirements, and positional specifications.
The process of finish boring requires an existing hole, and it is the perfect process for short-run jobs to remove the remaining stock in the hole. Finish boring offers more flexibility when machining different hole sizes using the same tool. Adjusting the boring head can compensate for the runout if the machine tool has more runout at the spindle. Also, a finish boring head can true up a hole more accurately than other applications.
Chatter or vibrations during boring operations is generally because of instability between the cutting tool ad workpiece. Often applying a larger-diameter boring bar will eliminate the problem. However, when a larger bar is not an option, there are options to reduce chatter that can reduce productivity and affect workpiece quality.
Boring is a different process from other hole making machining operations, such as drilling and reaming. Drilling is making an initial hole and reaming smooths out the walls of an existing hole. Boring is used to produce accurate size holes within required tolerance specifications using an existing pre-drilled hole. The following are some tips to assure your boring project meets your specifications.