BelleFlex® TechTips

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What is a Belleville Washer or Disc Spring?

The Basics
Flat Washers
Spring Rate and Stacking
Understanding Load, Stress, and Fatigue Life
Belleville Spring Specifications
Presetting

The Basics

A Belleville washer or disc spring is a conical-shaped spring with an open center. It is shaped much like a washer and is typically smaller than a coiled spring. Because Belleville washers can bear a much larger load relative to its deflection rate than a coiled spring, they are ideal for cushioning heavy loads with short motion.

Like all springs, a Belleville disc spring will deflect in response to a load. Belleville washers and disc springs exhibit low deflections relative to high loads. The relationship between the load and deflection is non-linear, particularly as load increases. This quality makes Belleville washers and disc springs well-suited to areas with constant thrust that must stand up to heavy wear.

Belleville washers and disc springs provide the following advantages:

• Conserve space
• Offer a long service life
• Can be used in conjunction with coiled springs
• Offer great versatility when stacked in series or in parallel
• Increase the reliability of machinery
• Prevent bolt failures
• Maintain the positioning accuracy of ball bearings
• Minimize thermal expansion
• Are self-damping
• Distribute loads evenly
• Absorb shocks

Our engineers can help you determine the washers or springs needed to meet the requirements of your specific application.
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Flat Washers

In some instances that must bear a heavy load, the addition of a flat washer increases the effectiveness of a Belleville washer or disc spring by helping to spread the load. In other applications, a flat washer can prevent a Belleville washer or disc spring from biting into softer metals. This is particularly important in preserving the integrity of bus bars, which are typically made from aluminum to withstand conditions of high current loading.

BelleFlex® engineers can help you to determine whether flat washers are needed for your specific application.
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Spring Rate and Stacking

The spring rate of a Belleville washer or disc spring is the amount of force associated with a given deflection measured in lb/in or N/mm. Every spring has its own spring rate, depending on its geometry and material. The formula to determine the load at a specific deflection uses Poisson&#;s ratio, Young&#;s modulus, as well as the outside diameter (De), inside diameter (Di), material thickness (t), and deflection-to-flat (ho).

The load/deflection ratio of a specific outer and inner diameter can be changed by using more than one Belleville washer or disc spring, stacked either in series or in parallel. Stacking Belleville washers and disc springs allows for precise customization of the load and/or deflection.

• Stacking in parallel (same direction) will increase load.
• Stacking in series (opposite directions) will increase deflection.
• Belleville disc springs can also be stacked as a combination of the two alignments.

The exact configuration of Belleville washers or disc springs depends on the requirements and limitations of the application. Our engineers can provide assistance in determining the configuration that best meets your needs.
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Understanding Load, Stress, and Fatigue Life

It is also important to know the limits of a given Belleville washer or disc spring before it is put into service in an industrial environment. Calculating load and stress is a way to determine the point of failure for a spring, including Belleville washers and disc springs. Simply put, it&#;s a way to determine how much force (load) and how much stretch (stress) the spring can bear before it fails.

Fatigue life refers to the number of cycles a spring can withstand before it fails in a particular application. The fatigue life is based on the dimensions of the spring or spring stack, the preload, the final load, the deflection, and the frequency. The goal of determining the fatigue life is to ensure that your Belleville washer or disc spring solution will be able to withstand the stress to which it will be exposed. In situations in which a single Belleville cannot withstand the level of stress, a well-designed stack of Bellevilles can alter the load and stress performance and increase the fatigue life.

Well-designed springs contribute to increased efficiency and prolonged service life for your equipment. Our engineers are always available to provide assistance with all facets of Belleville washer and disc spring design, including load and stress calculations.
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Belleville spring specifications

The term &#;tolerance&#; refers to the amount of deviation from specification that may occur in a disc spring without compromising its performance. For Belleville disc springs, allowable tolerances for diameter, thickness, height, and load are provided in the DIN specification. Deutsches Institut für Normung (DIN) is an international standards organization, based in Germany that governs specifications of many industrial and technical materials.

BelleFlex® utilizes the following DIN specifications to guide our design and manufacturing process:

• Our engineers employ the calculations of DIN to create Belleville disc springs with predictable deflection for a given load and a determinable minimum life cycle.
• BelleFlex® adheres to DIN for the type, dimensions, material, permissible stress, permissible set, guide clearance, and testing of Bellevilles. Although DIN applies only to specific limited applications and sizes, all disc springs produced by BelleFlex® are manufactured in accordance with the quality and testing requirements contained in this specification.
• BelleFlex® utilizes DIN in the manufacturing of heavy-duty Belleville washers.

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Presetting

Presetting takes place during the manufacturing process of a Belleville washer or disc spring when it is momentarily flattened. The process reduces the original unloaded height of the spring, as a result of the residual tensile stresses.

Preset Belleville washers and disc springs are typically used to maintain load or tension in bolted assemblies. This process is not always necessary and must be specified at the time the order is placed.
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In today's rapidly growing and highly competitive e-commerce industry, it is becoming increasingly important for sellers to effectively select products, improve customer experience, and ultimately be able to increase their market sales and strengthen their brand. Amazon review analysis and consumer research can provide key insights into customer sentiment, preferences and behaviors that can help sellers make informed decisions on product selection and marketing strategies. By utilizing tools such as sentiment analysis, voice of customer, feedback analysis, product research, audience research, competitor analysis and Amazon ratings & reviews data to gain a better understanding of the customer base it becomes possible to create more targeted campaigns that meet customer needs and drive customer satisfaction.

Total ASIN:

10

/01/19

Top 1

Top 2

Top 3

Top 4

Average Ratings

4.4

Total Reviews

317

This insight is based on the data from the best seller products. The top 5 of them are:

2 pcs 5/8" x 1-1/2" Tension Belleville Compression Spring Washers .155" Thickness

B07NVS993Q

FastCap HM- FC- Woodworking, Multi

B00XIKPHNE

FlexGear iPhone X XS Front and Back Glass Screen Protectors, HD Clear, Tempered, Compatible w iPhone X/XS (2-Pack)

B079K5NGDF

Hilitchi 128-Pcs [M3 - M12] Stainless Steel Washers Metric 304 Stainless Steel Belleville Spring Disc Washer Assortment Set

B07CSQ9K17

Hilitchi 215-Pcs [M3 - M12] Metric 304 Stainless Steel Belleville Spring Washer Assortment Set

B07CSQDS7F

Sales, a key metric of costs and profits for any business, is the most intuitive and accessible data. With established social media platforms and advertising channels providing detailed insight in regards to website traffic, understanding consumer sentiment--i.e., volume--is one of the more challenging areas to analyze. Volume refers how people express their opinions on our brand's products/services/marketing efforts via various touchpoints; these voices come together as an aggregate that can tell us what consumers need or expect from us &#; why consumers make purchases with us over others.

Based on the data provided, it seems that the Belleville Washers product in the Amazon BSR category has a relatively high customer satisfaction rating. With an average rating of 4.38 out of 5 and a total of 317 reviews, it suggests that customers are generally happy with the product. However, it's important to note that the data only provides a snapshot of customer satisfaction and may not be representative of all customers who have purchased the product. It's also possible that there may be some bias in the reviews, as customers who are extremely satisfied or dissatisfied may be more likely to leave a review. If you're considering purchasing the Belleville Washers product, it may be helpful to read through some of the reviews to get a better sense of what customers like and dislike about the product. Additionally, it's always a good idea to compare the product to similar products in the category to ensure that you're getting the best value for your money.

Target your customers through customer profile

Voice of customer analysis and audience research are key elements when targeting customers through customer profile. By leveraging Amazon review analysis and other data sources, sellers can gain insights into their customers preferences and behaviors, which can be used to craft targeted solutions and develop a successful product profile. Additionally, this data can also be used to create more effective campaigns that attract the right customers and boost sales.

Customer Profile

The consumer group most commonly mentioned is fiance, the most commonly moment of use is everyday, the most common location is breakfast bar, the most common behavior is amateur install . By focusing on these key consumer characteristics, it is possible to identify pain points associated with consumer usage scenarios.

Who

When

Where

What

X-axis:topic. Y-axis:mentions. Red:reviews of 1-3 stars. Green:reviews of 4-5 stars

Based on the data provided, it seems that the customers who are interested in Belleville Washers are likely to be individuals who are either engaged or married with at least one child. This suggests that they may be homeowners or have some sort of DIY project that requires the use of Belleville Washers. The top three places where customers are likely to use this product are the breakfast bar, car, and pocket. This suggests that customers may be using Belleville Washers for a variety of purposes, including home improvement projects, automotive repairs, and general DIY tasks. The top two usages of the product are amateur installation and application. This suggests that customers may be using Belleville Washers for a variety of applications, including home improvement projects, automotive repairs, and general DIY tasks. Based on this data, it may be helpful for companies that sell Belleville Washers to target their marketing efforts towards individuals who are engaged or married with children. Additionally, companies may want to focus on promoting the versatility of Belleville Washers and how they can be used in a variety of applications, including home improvement projects, automotive repairs, and general DIY tasks. Finally, companies may want to consider offering educational resources or tutorials to help customers learn how to use Belleville Washers effectively.

Ship products your customers love through sentiment analysis

Through sentiment analysis, businesses can uncover consumer dissatisfaction with products, automatically decompose NR and PR, and present product quality issues, packaging suggestions, marketing loopholes, and inadequate service in a digitalized format. By finding problems in VOC and combining them with a set of quality problem solving processes (CTQs), businesses can form a closed loop from problem to action, thereby achieving continuous iteration and optimization of product quality. In addition, analyzing customer emotion data can help companies foresee emerging trends ahead of competitors and tailor their products to meet customers' needs.

Customer Sentiment

The top 5 negative reviews are screen protector, glass, edge, bracket, case. The most mentioned elements about screen protector are crack(7.14%), have crack within the first day(3.57%).

The top 5 positive reviews are install, screen protector, glass, instruction, product. The most mentioned elements about install are easy(6.25%), breeze(4.17%).

Industrial & Scientific > Fasteners > Washers > Belleville Washers

Cons

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screen protector17.86%

crack7.14%

have crack within the first day3.57%

chip and1.79%

chip way too easily1.79%

crack within the same week of install1.79%

glass14.29%

edge12.50%

bracket1.79%

case1.79%

Pros

install14.58%

easy6.25%

breeze4.17%

fast2.08%

intuitive2.08%

no issue2.08%

screen protector12.50%

glass8.33%

instruction6.25%

product4.17%

Product pros and cons based on Amazon reviews. Consumers' sentiments which represent their opinions are identified using AI.

Based on the data provided, it seems that the top cons of Belleville Washers are related to the screen protector, glass, edge, bracket, and case. On the other hand, the top pro aspect is related to the installation process. It is important to note that the data provided is somewhat confusing as it mentions cons and pros of other products such as vacuum and tip, which are not related to Belleville Washers. However, assuming that the data is accurate, it appears that the main issues with Belleville Washers are related to the protective features such as the screen protector and glass. To improve the product, manufacturers could focus on developing better protective features that are more durable and effective. Additionally, providing clear and concise instructions for installation could help to address some of the cons related to the installation process. In terms of product selection, customers should consider the quality of the protective features when choosing Belleville Washers. It may also be helpful to read reviews from other customers to get a better understanding of the product's strengths and weaknesses.

Make the smartest sales decisions through Buyers Motivation

Making the smartest sales decisions requires understanding and responding to the voice of customer. This can be achieved by leveraging buyer motivation data, conducting competitor analysis, and engaging in thorough product research. Companies should seek to understand customer needs and preferences through surveys and feedback, analyze data from past purchases, and track market trends in order to develop effective pricing strategies. Additionally, businesses must focus on providing value to customers through competitive prices, relevant discounts, quality products, convenient services, and superior customer service. By taking into account buyer motivation and focusing on delivering value, businesses can make informed decisions that will lead to long-term success.

Buyers Motivation

Gain insight into the judgment of consumers (Top 5) when making purchase decisions, and optimize marketing strategies in a targeted manner.

TopicMentionsback cover1

Based on the data provided, it seems that customers are primarily motivated to buy Belleville Washers due to the advertising attraction and product description. The fact that both of these features were mentioned equally suggests that customers are drawn to the product through advertising, but then rely on the product description to make their final purchasing decision. One possible reason why product description is the top feature is that Belleville Washers are a specialized product that may require more explanation than other types of products. Customers may need to understand the specific dimensions, materials, and applications of the washers in order to determine if they are the right fit for their needs. To optimize an Amazon listing for Belleville Washers based on this data, it would be important to focus on creating a clear and detailed product description that highlights the key features and benefits of the product. This could include information about the dimensions, materials, and applications of the washers, as well as any unique selling points that set them apart from other similar products. Additionally, it may be helpful to invest in targeted advertising campaigns that can help draw customers to the product in the first place.

Understand customers need for prioritizing what to build next

Companies should prioritize what to build next by understanding their customers' needs. Amazon review analysis can help businesses better understand customer sentiment, while product research and competitor analysis can give insights into current and upcoming trends in the market. Moreover, customer expectations should be taken into account when developing new products or features. Ultimately, prioritizing what to build next based on an in-depth understanding of customer needs will enable a company to develop successful products that maintain customer satisfaction and loyalty.

Customer Expectations

By understanding the specific reasons, manufacturers and retailers can develop products and marketing strategies that effectively address these needs and wants.

TopicMentionsReview Snippetsdurable2

durable

last long2

last forever

last long

back screen protector provide more coverage1

back screen protector provide more coverage

big1

big

cover edge1

edge protect

cover fit1

replacement cover fit good

frame guide1

frame guide

full edge to edge coverage1

full edge to edge coverage

glass corner1

glass corner

glass thicker1

front glass thinner

Based on the information provided, it is unclear what specific customer expectations are for Belleville Washers. However, as a general analysis, customers who are interested in purchasing Belleville Washers may have certain expectations such as: 1. Quality: Customers expect Belleville Washers to be made of high-quality materials that are durable and long-lasting. 2. Performance: Customers expect Belleville Washers to perform their intended function effectively and efficiently. 3. Availability: Customers expect Belleville Washers to be readily available when needed, either through local suppliers or online retailers. To meet these expectations, sellers of Belleville Washers should prioritize product development efforts that focus on improving the quality and performance of their products. This may involve using higher-grade materials, improving the design of the washers, or incorporating new technologies that enhance their performance. In terms of marketing promotion factors, sellers should focus on highlighting the quality and performance of their Belleville Washers. This can be done through targeted advertising campaigns that emphasize the durability and effectiveness of the product. Additionally, sellers should ensure that their products are readily available through a variety of channels, including online marketplaces and local suppliers. Overall, by prioritizing product development efforts that focus on quality and performance, and by effectively marketing their products to potential customers, sellers of Belleville Washers can meet and exceed customer expectations in this category.

Shulex VOC is an AI-powered platform that helps companies gain valuable customer insights from Amazon review analysis. It works by providing users with core capabilities such as customer profiles, sentiment analysis, buyers motivation and customer expectations. This enables businesses to tap into the power of voice of customer, utilizing AI modeling for a comprehensive view of customer experience, product research & selection as well as optimizing quality and reputation. The insights gleaned from this data can then be implemented to foster a healthy relationship between customers and brand.

FAQs

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Amazon Reviews

teja

Purchased

Excellent

Dre

Purchased

Front screen was cool.. Back cracked after like a day

manohar

Purchased

this is good but the front glass protector installation is very hard to do that because the front screent glass is designed same exactly the size of the screen and if you miss it a very little it wont look nice the edge of the glass protector will illuminate the RGB colors which always get your attention, its better if provided withe side strapes to install and other side which we stick the glass to screen that side should be a transperent white removable paper should fix it. but it has both sides dark blue papers by this you cannot estimate exactly where you wanted to fit this in screen.

John

Purchased

Nice product. Easy to apply.

Jerin

Purchased

Very poor quality. Had it for less than a week and it started to peel and started to break off little by little.

Valentin

Purchased

I like the idea of the back glass protector. it fit pretty nice (the back one). The front part not so much. the cut of their front glass protector is not accurate. it is uneven. i was disappointed when i saw a lot of air bubbles after i installed it with their cleaning products. luckily after using the the air bubbles just sort of went away.

anuj

Purchased

I applied these screen guard on two phones both have started showing bubbles after couple of days

Janice

Purchased

I had the first one on my for a week and it cracked! The second one was on my for 2 days and cracked!! This has not ever been dropped so I am very disappointed in the quality of this product!&#;

Amazon Customer

Purchased

Good quality and easy to install with zero bubbles!

Heredia iran

Purchased

Easy to install

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