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Maximum Capabilities for CNC Turning

Part size limitations Metric units Imperial units
Maximum part diameter 431mm 17in
Maximum part length 990mm 39in
Maximum swing over the carriage 350mm 13.7in
Maximum spindle through-hole 40mm 1.5in

CNC Turning General Tolerances

Description General Tolerance
Distance Dimensions For features of size (Length, width, height, diameter) and location (position, concentricity, symmetry) +/- 0.1mm.
Orientation and Form Dimensions ±0.1~2mm depend on part size, Angularity 1/2 degree.
Edge Condition Sharp edges will be broken and deburred by default. Critical edges that must be left sharp should be noted and specified on a print.

How CNC Milling Works

The components of a CNC lathe include: workpiece, sleeve, spindle, cutting tool and tool holder, live machining, and tool tower.

During the CNC turning process, a metal rod is rotated while a cutting tool is held against the stock to remove material and create final parts. The lathe rapidly machines your parts in a subtractive turning process with additional live tooling. Outside diameter (OD) and inside diameter (ID) threading is also available.

Turned parts can then be left as-machined, with visible tool marks, or bead blasted. When the run is complete, parts are inspected, boxed and shipped shortly thereafter.

Understanding Injection Pressure in Injection Molding

Injection pressure in injection molding is a pivotal factor in the process, impacting everything from part quality to production efficiency. Understanding and controlling injection molding pressure is essential for optimizing the injection molding process, reducing defects, and producing high-quality parts efficiently. In this post, we will explore what injection pressure ...
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FAQs of CNC Milling

What are the limitations of CNC turning?

CNC turning has some limitations like design restrictions. CNC turning is ideal for creating rotational, symmetric parts. But other methods such as CNC milling might be more appropriate for non-cylindrical parts.

As the piece rotates, a cutting tool is fed to the piece, which works at the material, cutting away to create the desired shape. Unlike other cutting sytles where the cutting tools themselves move and spin, in this case, the workpiece is rotated during the cutting process.

The most common CNC turning materials include: aluminium, stainless steel, copper, brass, steel alloy, and various plastics.

There are two broad categories of CNC turning centers, which include horizontal turning centers and vertical turning centers. Horizontal turning centers are far more common than their vertical counterparts.

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