• ascnc@asianstarcnc.com

CNC Milling Machine Operator Job Description

In today's modern manufacturing industry, CNC milling machines play a crucial role in creating precise and intricate parts for various applications. As such, the demand for skilled CNC milling machine operators is high, with companies looking for professionals who can effectively operate these machines to produce high-quality components.

Job Title: CNC Milling Machine Operator

Job Description:

A CNC milling machine operator is responsible for the setup, operation, and maintenance of CNC milling machines. They work closely with engineers and programmers to ensure that the machines produce parts that meet the required specifications.


  • Set up and prepare CNC milling machines for operation by installing and aligning fixtures, tooling, and attachments according to the work instructions.
  • Load materials onto machines and position them for machining.
  • Review and understand blueprints, schematics, and technical drawings to determine the machining operations required.
  • Write basic programs for the CNC milling machines using G-code, and modify existing programs as needed.
  • Select appropriate cutting tools and machine parameters, such as speeds and feed rates, based on the material and specifications of the parts.
  • Monitor the machines during operation to ensure they are running properly and make necessary adjustments as required.
  • Inspect finished parts to ensure they meet the required quality standards.
  • Perform routine maintenance on machines, such as cleaning and lubricating, and troubleshoot any issues that may arise during the production process.
  • Document all production activities, including measurements and any problems encountered, and report them to supervisors.
  • Follow all safety guidelines and procedures to ensure a safe working environment.

Skills and Qualifications:

  • Prior experience operating CNC milling machines is required.
  • Strong knowledge of G-code programming and CAD/CAM software.
  • Ability to read and interpret technical drawings and blueprints.
  • Attention to detail and ability to maintain high-quality standards.
  • Strong problem-solving and troubleshooting skills.
  • Excellent communication and teamwork abilities.
  • Physical stamina and dexterity to perform machine setup and parts handling.
  • High school diploma or equivalent qualification.
  • Certification in CNC machining is a plus.


Becoming a CNC milling machine operator requires a combination of technical skills, experience, and attention to detail. With the increasing use of CNC machines in the manufacturing industry, there is a growing demand for skilled professionals in this field. If you have a passion for precision machining and enjoy working with advanced technology, a career as a CNC milling machine operator could be a rewarding choice.

cnc milling machine operator job description

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


CNC Turning Service

CNC Turning Service

Our CNC Turning Service provides different sizes of roll shape work-pieces, the diameter range is from 0.5mm to 480mm, reaching tolerance +/-0.003mm.

CNC Milling Service

CNC Milling Service

Our milling machines and CNC centers are able to produce complicated structure part, five-axis devices produce multi-sides at one-time jag which bring high precision result

Sheet Metal Fabrication

Sheet Metal Fabrication

Our Sheet Metal Fabrication provides slicing, punching, bending, welding, painting and assembling for set products, unique tooling for each project to raise production efficiency

Aluminum Extrusion

Aluminum Extrusion

Our Aluminum Extrusion brings clients various shapes of aluminum parts, high efficiency for mass quantity, our precision extrusion mold control tolerance within 0.01mm

Forging Service

Forging Service

For some steel serious products, we apply Forging Service to make out their outer shape and them use CNC devices to start drilling, forming, rolling, cutting, etc.

Finishing Service

Finishing Service

Our Surface Finishing Service uses chemical or electro post-treatments after machining tasks are finished, normally includes Oxide, Anodizing, Passivation, E-Plating, Painting,etc.


CNC Brass Machining


CNC Machining Brass material is used for wide range components, we support clients to produce a variety of parts such as gears, locks, electronics, pipe fittings, etc.

CNC Copper Machining


CNC Machining Copper material is soft and easy to machining on different shape of components. We mostly produce copper components for electric devices by machining and stamping

CNC Aluminum Machining


CNC Machining Aluminum materials is one of our most used materials. We support clients to turning, drilling or milling on aluminum material from size 0.5mm to 470mm

CNC Stainless Steel Machining

Stainless Steel

CNC Machining Stainless Steel are common material for wide range components, we produce Stainless Steel turning parts, milling parts, high smoothness components, etc.

CNC Titanium Machining


CNC Machining Titanium material brings components superb features, we use titanium to produce high precision work-piece for clients from aircraft, aerospace, medical devices

CNC Plastic Machining


Our CNC Machining Plastic materials includes ABS, HDPE, LDPE, Nylon, POM, Peek, Polycarbonate, etc. We produce them in high precision and high smoothness.


Experienced Skills

Asianstar have long term experience in CNC machining service and built up skillful team servicing clients from designing to product

High Quality

Asianstar QC system controls the production following internal quality protocol, which make sure every procedure are working under quality demands

High Efficiency

Asianstar abundant facilities allows multiple machining process, we can support clients in rapid sampling/prototyping and quick order lead-time

Competitive Price

Asianstar has enough in-house facilities for all machining processes, so we can choose the best machining solutions to make the production cost lowest


  • Q1.Do you support ODM/OEM?

    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

  • Q2.Do You Have Stock
  • Q3.What Is Your Production Capacity?
  • Q4.Where Is Your Factory?
  • Q5.Can You Provide Samples?
  • Q6.How About Your After-sales Service?
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