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Overcoming Obstacles in CNC Machining: Why You Can't Manufacture a Good Part

CNC Machining, an acronym for Computer Numeric Control, has revolutionized the world of manufacturing. Like any other technology, it's not immune to challenges. One of the most puzzling predicaments is being unable to manufacture a good part despite having all the resources and knowledge at one's disposal.

These obstacles can be frustrating, especially when you can't pinpoint where the problem is. This article is tailored to demystify the reasons behind this persistent issue and provide some insights for manufacturers who are challenged by this problem.

The Quality of the Raw Material

The type and quality of the raw material used can greatly affect the output of the CNC machining process. If you're constantly dealing with poor parts, your raw material could be the culprit. Verify the material's integrity by checking against its provided specifications. Understanding the properties and the behaviour of different materials can go a long way in achieving the perfect part.

Program Errors

Despite rigorous inspections and double-checks, program errors can contribute to the inability to create a good part. Codes dictate the machine's operations, and small mistakes can be detrimental. Developers need to be meticulous in writing and reading codes to avoid mishaps.

Machine Calibration

The functionality of any machine deteriorates over time, and a CNC machine is no exception. Regular calibration ensures the machine's actions remain precise over the course of its use. A slight error can throw off the machine's measurements, resulting in poor parts.

Operator's Skills and Knowledge

CNC machines might be automated, but the role of the operator is pivotal to producing a good part. The operator is responsible for machine maintenance, troubleshooting, interpreting CAD/CAM drawings, and loading or unloading parts correctly. Substandard skills and knowledge could result in the consistent manufacture of poor parts.

A Look at the Tooling

The tools used in CNC Machining play a vital role in assembling the final piece. Factors like tool wear, which often results from an extended period of use, can contribute to unsuccessful machining. Regular inspection and quality control of tools can help pinpoint and rectify the issues hindering the production of a good part.

Overlooking Regular Maintenance

A regular maintenance routine for the CNC machine can make a huge difference in manufacturing good parts. Neglecting maintenance can lead to major problems, including damaging parts or even the machine itself. Systematic care and servicing can help identify potential issues and keep the machine in optimal working condition.

Deviations in the Manufacturing Process

Deviations can occur anywhere in the manufacturing process and cause problems in the final piece's assembly. These could range from poor handling, improper raw material storage, or even deviation from the manufacturing plan. It's important to incorporate a strict process monitoring system to avoid these mishaps.

To bring it all together, being unable to manufacture a good part in CNC machining is often a consequence of overlooked details, neglected maintenance, or improper handling. Dedication to quality control, thorough checks, and regular maintenance are measures that could assist in eliminating this persistent problem without a necessity to draw a conventional conclusion. With patience, meticulousness, and consistent effort, imperfect parts can become a thing of the past.

unable to manufacture a good part with cnc machining

On demand manufacturing online CNC Machining Services

If you need custom machined parts with complex geometries, or get end-use products in the shortest possible time, sigma technik limited is good enough to break through all of that and achieve your idea immediately.

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Mission And Vision

OUR SERVICES

CNC Machining

Equipped with 3-4-5 axis CNC milling and CNC turning machines, which enable us to handle even more complex parts with high precision.

Rapid Injection molding

Low investment, fast lead time, perfect for your start-up business.

Sheet metal

Our talented sheet metal engineers and skilled craftsmen work together to provide high quality custom metal products.

3D Printing

We offer SLA/SLS technologies to transform your 3D files into physical parts.

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About Us

What can we do?

Sigma Technik Limited, as a prototype production company and rapid manufacturer focusing on rapid prototyping and low volume production of plastic and metal parts, has advanced manufacturing technology, one-stop service, diversified manufacturing methods, on-demand manufacturing services and efficient manufacturing processes, which can provide customers with high-quality, efficient and customized product manufacturing services and help customers improve product quality and market competitiveness.

CNC Machining Case Application Field

CNC machining is a versatile manufacturing technology that can be used for a wide range of applications. Common examples include components for the aerospace, automotive, medical industries and etc.

Automotive components

Aerospace components

Medical components

Metal and plastic processing

Clear optical prototype for CNC machining

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CNC Machining FAQs

Get the support you need on CNC machining and engineering information by reading the FAQ here.

It may be caused by unstable processing equipment or tool wear and other reasons, so it is necessary to check the equipment and tools in time and repair or replace them.

It may be due to severe wear of cutting tools or inappropriate cutting parameters, which require timely replacement or adjustment of cutting tools or adjustment of machining parameters.

It may be caused by programming errors, program transmission errors, or programming parameter settings, and it is necessary to check and modify the program in a timely manner.

It may be due to equipment imbalance or unstable cutting tools during the processing, and timely adjustment of equipment and tools is necessary.

The quality and usage method of cutting fluid can affect the surface quality of parts and tool life. It is necessary to choose a suitable cutting fluid based on the processing materials and cutting conditions, and use it according to the instructions.

It may be due to residual stress in the material and thermal deformation during processing, and it is necessary to consider the compatibility between the material and processing technology to reduce part deformation.