low volume manufacturing

A Complete Guide to low volume manufacturing

Imagine a company is launching a new product but isn’t quite sure if it will work out. To avoid spending too much money on something that might not succeed, they start with low volume production. This means they make only a small number of products at first.

Low volume manufacturing has great benefits:

Less Risk: They don’t spend too much money upfront, so if the product needs changes or doesn’t work as planned, they don’t lose a lot.

Flexible Design: They can easily make changes to the product design based on feedback and tests without wasting resources.

Quick Feedback: They get feedback from customers faster and can improve the product quickly.

Cost-Efficient: It helps save money and resources, making it easier to manage finances while figuring out the best way to make the product.

In short, starting with low-volume production lets a company test its new idea with less risk and more flexibility.

The minimum level of production for low-volume manufacturing can vary by industry, product, and methods used. Typically, low-volume production ranges from a few units to several thousand, which is much less than high-volume production that can reach millions. Choosing low-volume manufacturing depends on factors like product demand, cost-effectiveness for small quantities, and the need for customization or quick market response.

To avoid spending too much money and resources upfront, they decide to start with low volume manufacturing. This means they’ll produce a small number of items first.

Here’s how different low volume manufacturing methods can help them make the best product efficiently:

Injection Molding

Injection molding involves creating a mold and injecting melted material into it to make precise parts. It’s great for producing small quantities of consistent and detailed components quickly.

CNC Machining

CNC machining uses a computer-controlled machine to carve out intricate parts from solid material. It provides high precision and is useful for making detailed components with exact specifications.

3D Printing (Additive Manufacturing)

3D printing builds objects layer by layer, like stacking blocks. It allows the company to create prototypes and test different designs quickly. Any needed adjustments can be made easily.

Urethane Casting

Urethane casting involves creating a mold and then pouring urethane material into it. It’s good for making flexible parts and is cost-effective for small runs of products.

Rapid Prototyping

Rapid prototyping quickly creates physical models from digital designs. This method helps the company test and refine designs quickly before moving to larger production.

Vacuum Casting

Vacuum casting uses a vacuum to fill molds with liquid material, producing high-quality parts with fine details. It’s suitable for low volume production and allows for easy changes to the design.

Laser Cutting and Engraving

Laser cutting and engraving use lasers to cut and etch materials with high precision. This method is perfect for creating detailed and complex shapes from various materials.

Die Casting

Die casting involves injecting molten metal into a mold under high pressure. It’s efficient for producing small quantities of metal parts with a high level of detail.

Extrusion

Extrusion pushes material through a shaped die to create long, consistent profiles. This method is useful for making continuous shapes and parts in low quantities.

Composite Fabrication

Composite fabrication involves combining materials, like fibers and resins, to create strong and lightweight parts. It’s ideal for parts that need to be both durable and light.

Silicon Molding

Silicon molding uses silicone rubber to create flexible molds for low volume production. It’s effective for making complex shapes and detailed parts.

By using these low volume manufacturing methods, the company can test and refine their product designs effectively, manage costs, and reduce risks. Each method offers unique advantages, making it easier to create high-quality products while keeping expenses in check.

Low-volume manufacturing is becoming more important in modern production because it offers benefits like customization, flexibility, and faster time-to-market. When considering low-volume production, you should think about factors like cost, time, quality, process type, and supplier choice.

Deciding between making products in-house or using contract manufacturing depends on your needs and resources.

Companies like Srushty Global Inc offer specialized low-volume manufacturing services, providing expert guidance and high-quality results.

As the manufacturing world changes, using different low-volume manufacturing methods can help businesses stay competitive and adaptable in fast-moving markets.

AUTHOR

Sriram Parthiban

Business Analyst, Srushty Global Solutions

Meet Sriram, a visionary business analyst in India’s dynamic contract manufacturing sector, dedicated to serving discerning clients throughout the USA. With strategic expertise and a sharp focus on optimizing supply chains, Sriram is driven to elevate India’s manufacturing prowess on the global stage. His goal is to position India not only as a leading manufacturer for the world but also as a pioneer in setting new benchmarks for quality and innovation, shaping a revolutionary industry landscape.

Battery Management System-1

Battery Management System for Electric Vehicle, Challenges and New Trends

The rise of electric vehicles (EVs) is seen as a promising step towards a greener future, offering a solution to the environmental issues caused by traditional cars. A key factor driving this change is the development of battery technology, which is facing both challenges and significant advancements.

Challenges and Advancements in BMS for EV:

Enhanced Energy Density and Extended Range:

One crucial aspect of this progress is the drive to increase the energy density of lithium-ion batteries, as the world transitions to EVs. A key technology contributing to this is the modern Battery Management System (BMS). BMS plays a vital role in optimizing how batteries are used through algorithms and predictive analytics. This optimization helps extend the range of EVs between charges, making them more practical for everyday use.

Charging Infrastructure:

The widespread adoption of electric vehicles depends heavily on having a strong charging infrastructure in place. Addressing challenges such as charging time, accessibility, and standardization is crucial for easing concerns about range among consumers.

Cost Considerations:

Despite notable cost reductions, the affordability of EV batteries remains a significant barrier to widespread adoption. Continued research efforts are indispensable to developing cost-effective battery materials and manufacturing processes.

Lifecycle and Recycling:

Mitigating environmental impact necessitates improving the lifecycle and recyclability of batteries. This entails enhancing battery longevity, devising efficient recycling methods, and reducing reliance on rare and environmentally harmful materials.

Safety Measures:

Ensuring the safety of EV batteries across diverse conditions remains a pivotal challenge. From extreme temperatures to unforeseen accidents, maintaining safety standards while upholding performance is indispensable for consumer trust and regulatory compliance.

Transitioning Away from Cobalt Dependence:

With the rise of EVs, ethical and sustainable considerations loom large across the value chain. Cobalt, a staple in lithium-ion batteries, presents ethical dilemmas due to its controversial mining practices, including issues like child labor and unsafe conditions. To address these concerns, a shift towards reduced-cobalt or cobalt-free battery materials like lithium iron phosphate (LFP) is gaining traction. While cobalt-based batteries boast higher energy density, LFP batteries offer advantages in terms of cost-effectiveness and safety.

BMS Advancements and Trends:

    1. AI and Machine Learning Integration: Artificial intelligence (AI) and machine learning (ML) are significantly transforming Battery Management Systems (BMS) by enabling advanced real-time data analysis, predictive maintenance, and adaptive control mechanisms. These technologies allow for the implementation of machine learning algorithms that can accurately predict battery degradation, thereby facilitating proactive maintenance and timely replacement of battery components, enhancing the overall reliability and efficiency of electric vehicles (EVs).

    2. Wireless and Cloud-Enhanced BMS Technologies: The integration of wireless communication protocols in BMS, known as wireless Battery Management Systems (wBMS), simplifies the design and installation processes, reduces weight, and enhances the modularity and scalability of battery systems. These systems are crucial in ensuring dependable and safe battery operations and are increasingly incorporating cybersecurity measures to protect against potential threats. Furthermore, cloud connectivity in BMS enables remote monitoring and management, allowing for over-the-air updates and real-time data analysis, which are essential for the autonomous operation of EVs.

    3. Advancements in Battery Technologies and Integration with Renewable Energy: Emerging trends also include the development and integration of solid-state batteries (SSBs) which use solid electrolytes to offer higher energy density, improved safety, and a broader operational temperature range. These batteries require innovative BMS strategies for effective charge and discharge management, cell balancing, and thermal regulation. Additionally, BMS are playing a pivotal role in integrating EV energy storage with renewable energy sources. This integration helps stabilize the renewable energy output, reduces reliance on traditional power grids, and supports grid services like frequency regulation, leveraging ML algorithms for enhanced predictive energy management

Case studies:

Srushty PD successfully developed and manufactured an all-inclusive IoT-enabled electric vehicle (EV) charger tailored for two-wheelers in the Indian market. The project involved mechanical design, electrical engineering, and low-volume manufacturing. Notable achievements include real-time energy monitoring, relay control, live data transmission of energy usage and GPS coordinates, and seamless integration with AWS cloud services using the MQTT protocol. The charger also features GSM and GPS connectivity for efficient communication.

We designed, developed, and supported the manufacturing of an electric vehicle (EV) that adheres to Indian EV standards. The project involved end-to-end design and development, including collaboration with eco partners to create custom vehicle parts (such as the motor and human-machine interface). The EV achieved quality ratings equivalent to ARAI and FAMES II certifications. With near-final material and finish, it is nearly ready for production transition.

The trajectory of EV battery technology is poised towards a future marked by enhanced efficiency, reliability, and accessibility. With evolving trends in BMS technology and a strategic move away from cobalt dependence, the electric mobility revolution is well underway. As these advancements continue to unfold, we inch closer to a sustainable and electrified future of transportation.

AUTHOR

Manoj Sampath M

Business Development Manager, Srushty Global Solutions

With a passion for transforming innovative concepts into tangible products, I specialize in guiding the entire engineering process from inception to productization. Leveraging comprehensive engineering services, I collaborate closely with clients to refine their initial ideas, ensuring a seamless transition from conceptualization to the final product. My expertise lies in bridging the gap between vision and execution, employing a holistic approach that encompasses design, development, and implementation. By fostering a collaborative and iterative environment, I strive to bring forth cutting-edge solutions that not only meet but exceed expectations in the dynamic world of engineering and innovation.

FAQs:

What is the current trend in the electric vehicle battery industry?

The electric vehicle battery industry is experiencing significant growth, particularly in the demand for automotive lithium-ion (Li-ion) batteries. In 2022, the demand for these batteries surged by approximately 65% to 550 GWh, up from about 330 GWh in 2021. This increase is largely driven by a 55% rise in new electric passenger car registrations compared to the previous year.

How does innovation in battery management systems contribute to the increased adoption of electric vehicles?

Innovations in battery management systems are crucial for enhancing the longevity, safety, and efficiency of electric vehicle batteries, which in turn supports broader EV adoption. The push for advanced BMS technologies is also supported by government initiatives aimed at reducing carbon emissions, improving air quality, and promoting the use of clean energy.

Why is a battery management system crucial for electric vehicles?

A Battery Management System (BMS) is essential in electric vehicles as it plays a critical role in protecting both the battery and the user. It ensures that the battery operates within its safe operating parameters, monitors the battery’s State Of Health (SOH), collects data, and controls environmental factors impacting the battery. Additionally, it balances the cells to maintain uniform voltage across them.

What current trends are shaping battery management systems?

Currently, battery management systems are evolving primarily through two significant trends. The first trend focuses on increasing battery capacity to enhance the driving range of electric vehicles. The second trend is the elevation of pack voltage to improve efficiency.