Hansheng Automation (Dongguan) Co., Ltd. is one of the most experienced manufacturers and suppliers of cnc milling in China. If you're going to wholesale bulk cost-effective cnc milling made in China, welcome to get pricelist and quotation from our factory. Also, customized service and OEM&ODM service are available.
What Is CNC Milling
CNC milling is a process that uses a computer-controlled, rotating, multi-edged tool (milling cutter) to incrementally remove material from a workpiece to create high-precision parts. Unlike traditional milling, CNC turning uses a computer program (G-code/M-code) to control all movements, including tool path, spindle speed, and feed rate. This also results in a more complex process.
CNC milling is well-suited for custom milling (Hansheng Automation's CNC milling centers can achieve an accuracy of ±0.005mm, and for more demanding customizations, we can control accuracy to ±0.002mm). It is widely used for small- to medium-volume production of metal and plastic parts requiring high strength and dimensional accuracy.
Hansheng Automation's CNC milling case - embossing roller
Let me first introduce to you what an embossing roller is. An embossing roller is a cylindrical industrial component used to press specific textures, patterns or concave-convex structures on the surface of materials. It is widely used in packaging, building materials, leather, metal processing and other fields.The following figure is an example of an embossing roller.
Our custom embossing roller project was for a client in the tobacco packaging field in Indonesia. Their requirement was to emboss the corresponding texture on the thin paper used to wrap cigarettes. We produced samples based on their requirements and the client was very satisfied with the accuracy of our embossing rollers. Finally, we successfully delivered the rollers to the client after mass production without any problems. The advantage of Hansheng Automation is the same high precision at a more affordable price.
What are our CNC milling methods
Plane milling (also called face milling)
This milling process uses a cutting tool to remove material along the workpiece surface. In plane milling, the axis of rotation is parallel to the workpiece.
Face milling
Face milling uses an axis of rotation perpendicular to the material surface. The cutting or grinding tool faces down against the workpiece surface to remove material.
Angular milling
This milling method uses the cutting tool's axis of rotation at an angle to the workpiece surface to produce a designed angular cut, such as a groove or dovetail.
Profile milling
Profile milling creates non-planar cuts, such as contours and curves. Each type of curve requires a specific cutting tool to create a precise profile cut.
What materials can Hansheng Automation process with CNC milling?
Hansheng Automation offers a wide variety of high-quality metals (aluminum, stainless steel, mild steel, copper, titanium, etc.), alloys, and high-performance engineering plastics (nylon, acrylic, PEEK, PTFE, POM, etc.).
Hansheng Automation's CNC milling processes range from prototype to production, from small batches to large quantities, for exquisite custom parts across various industries, including aerospace, automotive, medical, and electronics.
We maintain tight tolerances of ±0.005mm.
Our capabilities include 3-axis, 4-axis, and 5-axis machining.
We offer a wide range of metal and plastic materials.
We produce complex parts.
What Are The Steps Of The CNC Milling Process
To Get From The Cad Model To The Physical Part, Several Tasks Must Be Completed. The Steps Of The CNC Milling Process Are Described Below.
Crafting the CAD Model
Initiating the CNC milling journey, the first critical step is to meticulously craft a 3D CAD model of the component intended for production. This model encapsulates vital dimensions, intricate geometries, and the desired shape of the part. Designers must ensure that the CAD models are viable for CNC machining, avoiding complex undercuts or integrating them with consideration for the CNC machine's capabilities. The feasibility of machining undercuts hinges on the specific attributes of the CNC machinery, as they typically necessitate specialized tools or multi-axis capabilities, potentially escalating costs.
Translating CAD into CNC Motion
With an apt 3D CAD model in hand, the subsequent phase is to fabricate a CNC program that will govern the part's production on the CNC milling machine. CAM software is instrumental in this conversion, enabling designers to script the tool and cutter movements for the manufacturing process. These scripts are predominantly written in G-code or M-code; G-code dictates the operational parameters such as spindle speed, tool direction, and depth of cut, while M-code addresses auxiliary functions like tool changes and machine power management. CAM software often includes a simulation feature, providing a preview to affirm the CNC program's efficacy in creating the intended part.
Setting Up the CNC Milling Machine
Armed with a refined CAD model and a tailored CNC program, the CNC milling machine is then primed for part fabrication. The operator loads the CNC program into the machine, positions a pre-dimensioned blank into the machine's workholding apparatus, and configures the requisite tools, spindles, vises, and fixtures within the machine.
Running the CNC Program
With all preparatory steps in place-the CAD model perfected, the CNC program scripted, and the milling machine set up-the execution of the machining program can commence. As the CNC program runs, it operates autonomously, with minimal human oversight. The CNC milling machine systematically follows the program instructions, performing each specified operation on the workpiece. Upon completion of the program, the part proceeds to the next stages of manufacturing as outlined in the production plan.
Essential Components of CNC Milling Equipment
A successful CNC milling operation relies on a coordinated suite of machinery working in harmony. Below is an overview of the key equipment typically utilized in the CNC milling process:
Worktable
Serving as the foundational stage, the worktable securely fastens the workpiece, ensuring stability throughout the machining process.
Saddle
Positioned beneath the worktable, the saddle offers crucial support and facilitates the worktable's linear motion along the axis of the rotating tool, enabling precise control of tool approach and retraction.
Knee
Found beneath the saddle, the knee provides structural support to both the saddle and worktable. It features adjustable vertical movement, allowing for the accommodation of workpieces of varying thicknesses.
Spindle
The spindle plays a central role in the CNC milling process, clamping the cutting tool and controlling its intricate translational and rotational movements, which are vital for executing the programmed machining paths with exactitude.
Arbor
The arbor is a central shaft that extends through the spindle, serving as a mounting point for the cutting tools, which are securely affixed to it for the milling process.
Ram
The ram is an accessory component typically found in vertical or angular milling setups. It provides essential support to the spindle, ensuring stability and precision during the milling operation.
Machine Tools
A variety of cutting instruments are indispensable for CNC milling. These include end mills, drills, and other specialized tools designed to perform specific functions within the milling process.
Interface
The interface represents the critical link between the operator and the controlling computer of the CNC machinery. It typically comprises at least a keyboard and a display screen, enabling the operator to input commands, monitor operations, and interact with the system effectively.
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