Low Volume CNC Machining Precision and Efficiency in Aluminum Manufacturing

What Is Low-Volume Manufacturing?

In terms of cost, low-volume manufacturing typically has higher per-unit costs compared to high-volume manufacturing. There are several factors that contribute to this cost difference:

Our precision CNC Machining services make complex finished parts and components as well as tools for plastic injection molding or pressure die casting. In addition, CNC manufacturing is used for secondary drilling, tapping, and milling operations on machined parts or parts from other processes.

Tooling and Equipment Costs: High-volume manufacturing often involves the use of specialized tooling and equipment that may require significant upfront investment. These costs are distributed over a large production volume, reducing the cost per unit. In low-volume manufacturing, the cost of tooling and equipment is spread over a smaller quantity of units, leading to higher per-unit costs.

CNC machine tools come in many specialized types to perform all kinds of operations on raw stock. However, CNC mills are the most common and versatile multi-axis machines that we use at Barana Rapid every day.

Benefits of Aluminum CNC Machining:

Lightweight: Aluminum is known for its low density, making it an ideal choice for applications where weight reduction is crucial. CNC machining allows for the creation of lightweight aluminum components without compromising on strength or structural integrity.

Aluminum alloys are prized for their excellent strength-to-weight ratio, offering ample strength and structural integrity while maintaining a low weight for the final product. This characteristic renders them ideal for sectors like aerospace and automotive, where reducing weight without compromising strength is crucial.

Efficiency and Automation: High-volume manufacturing typically includes increased automation and refined production processes, resulting in enhanced efficiency and lower labor costs per unit. Conversely, low-volume manufacturing tends to involve more manual labor, longer setup times, and greater customization, which can result in higher labor costs per unit.

Aluminum alloys, such as 6061, are known for their excellent machinability. They can be readily shaped, cut, drilled, and milled with CNC machines, which facilitates efficient and cost-effective production processes.

Materials for Custom CNC Machining Parts
A wide range of materials is available for CNC machines, offering versatility for rapid prototyping and custom production of intricate parts. We offer instant quotes for over 150 metals and plastics to meet your manufacturing requirements, allowing you to compare costs across various processed materials.
	ALuminum Aluminum is a highly ductile metal, making it easy to machining. The material has a good strength-to-weight ratio and is available in many types for a range of applications.	Aluminum
		Machinable Material Types	AL6061-T6,AL6063-T6,AL6082 AL7075-T6,AL5052-H32
		Lead Time	3 days
		Tolerances	±0. 01mm
		Max part size	200 x 80 x 100 cm
	Copper Copper displays excellent thermal conductivity, electrical conductivity and plasticity. It is also highly ductile, corrosion resistant and can be easily welded.	Copper
		Wall Thickness	0. 75 mm
		Lead Time	3 days
		Tolerances	±0. 01mm
		Max part size	200 x 80 x 100 cm
	Brass Brass has desirable properties for a number of applications. It is low friction, has excellent electrical conductivity and has a golden (brass) appearance.	Brass
		Wall Thickness	0. 75 mm
		Lead Time	3 days
		Tolerances	±0. 01mm
		Max part size	200 x 80 x 100 cm
	Stainless Steel Stainless steel, a low carbon steel, possesses numerous properties desirable for industrial applications. It typically comprises at least 10% chromium by weight.	Stainless Steel
		Machinable Material Types	304 SS, 303 SS, 316 SS, SS 430F, 301 SS etc.
		Lead Time	3 days
		Tolerances	±0. 01mm
		Max part size	200 x 80 x 100 cm
	Titanium Titanium has a number of material properties that make it the ideal metal for demanding applications. These properties include excellent resistance to corrosion, chemicals and extreme temperatures. The metal also has an excellent strength-to-weight ratio.	Titanium
		Wall Thickness	0. 75 mm
		Lead Time	3 days
		Tolerances	±0. 01mm
		Max part size	200 x 80 x 100 cm
	Plastics Plastics are a highly favored material for CNC machining due to their vast variety, comparatively low cost, and the significantly reduced time required for machining. We offer a comprehensive range of common plastics for CNC machining services.	Plastics
		Machinable Material Types	Buff ABS, Black ABS, Clear ABS, 94V0 flame retarding ABS, ABS+PC, Black Polycarbonate, Transparent Polycarbonate, Acrylic, NYLON 6, NYLON 66, PA6+30%GF , HDPE, POM, PP, PP+20%GF, PE, TEFLON,PPS, PEEK, PPO, PPE, PEI
		Lead Time	3 days
		Tolerances	±0. 01mm
		Max part size	200 x 80 x 100 cm

Choosing the Right Rapid Prototyping Technique

Material costs vary between low-volume and high-volume manufacturing. In high-volume production, the benefits of bulk purchasing, negotiating lower material prices, and securing long-term supplier contracts can significantly reduce the cost per unit, unlike in low-volume manufacturing.

Efficiency and Automation: High-volume manufacturing often involves greater automation and optimized production processes, leading to higher efficiency and reduced labor costs per unit. Low-volume manufacturing may require more manual labor, setup time, and customization, leading to higher labor costs per unit.

Heat Treatable: Aluminum alloy 6061 is heat treatable, which means it can be strengthened through heat treatment processes such as solution heat treatment and aging. This allows for further enhancing the mechanical properties of the machined parts, including increased strength and hardness, while maintaining good machinability.

Versatility: Aluminum alloy 6061 is highly versatile and can be used in a wide range of applications. It is suitable for machining complex parts with intricate designs, making it a preferred choice for CNC machining processes. It can be easily formed, welded, and joined, providing flexibility in manufacturing and assembly.

How To Process Low-Volume Manufacturing

Success in low volume manufacturing hinges on the strategic production of small product batches, which may vary from a handful to tens of thousands. The main objective is to reduce expenses associated with tooling, labor, and materials, while not sacrificing the speed of production or the quality of the product. Achieving this balance involves optimizing processes and choosing cost-effective resources. Low volume manufacturing is ideal for specialized or custom products, as it allows for quick market introduction and design adaptability, all while cutting down on overhead costs.

In the realm of raw materials, low-volume manufacturing exhibits distinct preferences. Metals such as steel, aluminum, brass, and copper are chosen for their durability and resistance to wear, while plastics like ABS, nylon, and polycarbonate are selected for their lightweight, adaptability, and cost-effectiveness.

In terms of processing methods, technologies such as additive manufacturing (3D printing), CNC machining, and rapid tooling are advantageous for low-volume production due to their reduced costs and faster lead times. Moreover, low-volume manufacturing ensures the quality of the end product by cost-effectively producing high-quality parts, and it permits extensive customization to fulfill specific customer needs.

Clients frequently worry that low-volume manufacturing may affect the quality or precision compared to mass production. Nevertheless, we guarantee that our small-scale orders receive the same level of attention, using identical materials, equipment, and strict quality control protocols.

How do we manage this? Our expertise lies in high-mix, low-volume production, with scalable systems capable of handling anything from a single piece to several million. A reliable supply chain provides a consistent supply of materials, removing the restrictions of minimum order quantities. Moreover, our digital manufacturing platform unifies all machinery into a cohesive network, facilitating quick and effective distribution of resources among workstations, thus ensuring prompt processing of even the most intricate orders.

What Separates Barana Rapid’s Inspection Processes from the Rest?

Precise measurement, inspection, and testing are essential to guarantee the conformity of your components. We conduct multiple inspections at each stage of the product development process, from the verification of incoming materials to the final 3D scanning. You will be provided with comprehensive digital files and Certificates of Compliance to help you achieve your regulatory and performance objectives.

Inspections and Reviews at Every Production Stage

To maintain quality throughout the entire process, Star Rapid offers the following inspection and review services:

Thorough verification of incoming materials

Design for manufacturing reviews with every quote

Contract reviews following the receipt of purchase orders

First article and in-process inspections

Final inspections and testing, complete with detailed reports and necessary certifications

Since 2015, our expertise in the prototyping and production industry has aided both start-ups and established brands in crafting prototypes and products that stand out in the global market. Our commitment to quality and precision is reflected in our advanced machinery and the dedicated team of professionals who work diligently to deliver your products on time. We offer rapid prototyping services at competitive prices, ensuring you receive parts with exceptional precision through cutting-edge manufacturing processes such as CNC machining, 3D printing, vacuum casting, and sheet metal fabrication—all within short lead times.

With precision CNC machining services, Barana Rapid is your ideal partner to create precision machined prototypes and parts. Our standard CNC machining tolerances for metals is ISO 2768-f and for plastics is ISO 2768-m. We can also achieve special tolerances as long as you indicate your requirements for your drawing.

We also provide low-cost manufacturing of high-quality plastic parts. Our vacuum casting services offer short-cycle solutions for creating high-quality prototypes and low-volume production parts. Vacuum casting, or urethane casting, is a method that utilizes a silicone mold and a 3D printed master to produce vacuum-cast parts with consistent performance and production-grade quality. This technology does not require a costly initial investment, enables flexible and economical production, and hardens thermoplastic polyurethane in silicone or epoxy molds. The outcome is a vacuum-cast part that retains the shape of the original master model. The final dimensions of a vacuum-cast part are determined by the master model, the part's geometry, and the selected material.

Our sheet metal fabrication factory offers top-tier custom services, leveraging extensive capabilities in sheet metal stamping, cutting, bending, welding, precision CNC machining, and assembly to deliver superior quality parts. NOBLE's manufacturers employ cutting-edge technology and skilled engineers to guarantee sheet metal parts of unmatched quality, precision, and reliable performance.

Barana Rapid boasts over a decade of expertise in small-batch manufacturing, backed by a stellar team and robust suppliers to fulfill all your small-batch production requirements. Leveraging our extensive experience in small batch molding and our team of exceptional engineers, we are committed to efficiently managing all your small batch machining projects. Our strong supply chain and state-of-the-art equipment for various manufacturing technologies enable us to execute with precision. We guarantee that our wholesale prices will be competitive, we will uphold stringent quality standards, aid clients in design optimization, select the most suitable CNC processing techniques, minimize costs, and facilitate swift mass production. This ensures the delivery of cost-effective and high-precision products to you.

Regardless of the manufacturing process employed, high-quality surface finishing services can enhance both the appearance and functionality of your components. We provide a range of superior metal, composite, and plastic surface finishing services to realize the prototype or component you envision.

Our Goal is to continuously supply affordable high-quality prototypes and custom low-volume products for production intent. Our business model is based upon providing cost effective solution that benefits customers at all stages of their product development. Our biggest asset is our customer base, which has grown rapidly through customer’s word-of-mouth around the world; amongst them, it covers from independent inventors or designers to large scale Industrial, Commercial, Medical, Automotive and even Aerospace companies.