CNC Production: Overview of CNC Machining for Production

The idea of and uses for CNC machining are commonplace in contemporary production and are applied to the creation of goods with a variety of sizes and variable dimensions. CNC machining for production, however, depends on volume.
Learning to effectively use a CNC machine to generate lots of components is necessary to mastering CNC production. We provide a thorough guide that covers the various varieties of CNC production machining and elaborates on the top solutions for effortlessly scaling CNC machining production.

What Is CNC Machining?

CNC machining stands for Computer Numerical Control machining, a sophisticated manufacturing technique that relies on pre-programmed code and advanced software to oversee the operation of machinery, such as grinders, lathes, and turning machines. These versatile machines are capable of cutting, shaping, and fabricating components, whether for prototypes or finished products. CNC machinists bring together their expertise in mechanical systems, mathematics, and a profound understanding of technical drawings to create a diverse range of metal and plastic components.

What Is CNC Production Machining and How Does It Differ from CNC Machining?

CNC production machining harnesses the power of CNC machines to achieve high-volume production with stringent tolerances, exceptional dimensional precision, and a focus on high quality and reliability while meeting production deadlines. It represents a more intricate and advanced manufacturing process compared to standard CNC machining.

CNC machining for production prioritizes precision, minimization of internal waste, improved product quality, and increased efficiency, all of which contribute to enhanced profitability and customer satisfaction.

Types of CNC Production Machining

Low-Volume CNC Machining

Low-volume CNC machining refers to facilities specializing in the production of limited quantities of fully realized components. Typically, this involves producing fewer than ten to a thousand parts. Low-volume, or small-batch, CNC machining is becoming increasingly popular for several reasons:

• Bridging the gap between the initial product design and scaled prototype production.
• Cost reduction.
• Accessibility for early-stage companies in product development.
• Suitability for products with short lifecycles.
• Ease of customizing designs.

High-Volume CNC Machining

High-volume, or large-scale, CNC machining is used for mass production of high-quality materials, typically involving a thousand parts or more. Many businesses favor this production method because it enables cost savings while ensuring a robust supply of parts. High-volume CNC machining is widely adopted due to its cost-effectiveness, reduced labor requirements, and enhanced accessibility.

Custom or Prototype CNC Machining

Custom or prototype CNC machining is primarily employed for smaller quantities during new product development (NPD). Advances in CNC machining and custom manufacturing technology have made it possible for customers to use CNC machining for prototyping. This means that CNC-machined prototypes can be created earlier in the design process, providing functional prototypes that closely resemble the final product in terms of appearance, performance, and functionality.

Furthermore, CNC machining is a cost-effective choice for manufacturing custom and prototype machined parts, making it a popular option for these applications.

What Are the Advantages of CNC Production Machining?

CNC production machining offers numerous benefits, including:

Enhanced Productivity

CNC production machining significantly boosts productivity by relying on computer-controlled systems rather than manual labor. This automation streamlines manufacturing operations on a large scale, optimizing factors such as cutting speed, sequencing, and material usage with high intelligence and efficiency. Here are some tips for maximizing CNC machining productivity, whether in-house or through outsourcing:

• For complex CNC machined parts, consider machining only a few surfaces of the raw material to reduce the need for additional fixturing steps and save time.
• Employ high-pressure coolant systems or tool coatings to prolong tooling life when handling your own CNC machining.
• Organize the production line effectively, incorporating methodologies like kanban, 6S, or lean manufacturing to improve efficiency, even if implemented incrementally.
• Embrace design for manufacturability (DFM) feedback to expedite the CNC part manufacturing process, saving both time and money.

Minimal Material Waste

CNC technology, aided by CAD/CAM software, optimizes production machining by determining efficient tool paths, finishing procedures, and cycle times tailored to product requirements. CNC simulation programs help identify optimal machining techniques, reducing material waste and internal scrap. To align with sustainability goals and address climate change concerns, consider adopting environmentally-friendly CNC machining practices.

Reduced Labor Dependency

CNC machining demands significantly less manual labor compared to traditional production methods, whether for high or low-volume manufacturing. This leads to substantial cost savings in labor expenses. While skilled workers are necessary to oversee manufacturing operations, their roles are supervisory rather than hands-on. Consider these design strategies to minimize labor requirements for CNC parts:

• Simplify assemblies by machining parts from a single stock of material instead of assembling complex components.
• Reduce the complexity of fixtures needed for part setup, which in turn lowers labor requirements.
• Streamline manufacturing steps wherever possible to reduce the processing demands on CNC parts.
• Opt for larger production runs to lower per-part labor costs.

Increased Profitability

CNC machines are characterized by continuous, repeatable operations that greatly enhance production output. CNC machining is a low-oversight method, as these machines work without the need for breaks or frequent dimensional checks. Both low and high-volume production benefit from CNC machining’s economic advantages, including:

• Swift transitions between machining processes as CNC machines don’t require frequent equipment changes or tool swaps, reducing setup time and increasing throughput.
• Built-in sensors in CNC machines contribute to precision and reliability, allowing adjustments to be made for higher-quality components while controlling costs.

Precise CNC machine shops can reduce product delivery lead times and save on labor costs, thereby enhancing competitiveness, revenue, and profitability in the market.

Which Industries Can Reap the Greatest Benefits from CNC Production Machining?

The precision and consistency achieved through CNC machining make it an ideal choice for mass-producing nearly identical, high-quality components in industries that demand exacting precision. Some of the key sectors that benefit substantially include:

• Automotive:
  Machining extruded metal to create components such as gearboxes, cylinder blocks, axles, valves, and other vital parts for the automotive industry.
• Aerospace:
  Crafting critical components like fuel access panels, fuel flow components, and landing gear parts with precision and quality, meeting the stringent standards of the aerospace industry.
• Medical:
  Manufacturing surgical instruments, orthotics, electronic housings, and implants that meet the exacting requirements of the medical field, ensuring safety and performance.
• Robotics:
  The robotics industry places a premium on precision and accuracy in the production of parts. CNC machines are indispensable for meeting the tight tolerances and exacting standards required in this sector.
• Consumer Products:
  For the efficient design, development, prototyping, and production of consumer goods such as toys, household appliances, consumer electronics, and packaging prototypes, CNC machining provides a versatile and reliable solution.

CNC Production at Sungplastic

Sungplastic can meet all of your needs for creating custom CNC parts. We specialize in the CNC machining of any part in a range of materials, and our automated and intelligent workflows streamline the procurement of custom parts. We are your operating system for custom manufacturing, facilitating quicker, simpler, and more effective production of parts.

Low volume CNC production, high volume CNC production, custom prototype CNC production are all available.

Do not hesitate to start your projects with us.

Related Resources:

CNC Machining Services

Guide of CNC Manufacturing Custom Parts

CNC Automation Production Solutions

CNC Methods: How to Manufacture CNC Machined Parts