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What Aspects Do We Need to Consider when Choosing a Checkweigher?

What Aspects Do We Need to Consider when Choosing a Checkweigher?

Issue Time:2022/02/22
the factors to consider when choosing a checkweigher

Optimizing your packaging line doesn't always mean increasing speed. Sometimes, it's about accurate and precise product fills and weights. One way to optimize your operations and ensure accurate production is to integrate a checkweigher into your line.

A checkweigher will help ensure the correct weight of the product is filled in every package, every time. This helps save costs by eliminating costly product giveaways and helps you meet mandated product weight variances. In addition, checkweighers enable you to analyze your operations with fill and package rates and weight measurements, ultimately helping you to continuously fine-tune your operations over time.

At this time, it is particularly important to choose a high-quality checkweigher. The followings are the major factors that need to be considered when choosing a checkweigher.

Machine Design

Look at the overall design of the checkweigher as it determines how operators will use the machine. The design also determines the overall reliability and accuracy of the weight measurements. An ideal checkweigher will have a strong, stable design that is mechanically stiff to ensure weight control.

Next, look at the frame material and construction. A welded frame can have stress points that impact accuracy. A non-welded frame may be less sanitary depending on the application. A checkweigher without hollow bodies on the frame helps prevent bacteria from forming during production.

Last, consider the overall footprint of the checkweigher. Do you have room to add this size of machinery to your line? Checkweighers with a smaller or non-existent electrical cabinet are generally smaller and easier to add to the plant floor.

Controls and Ease of Use

Like other plant equipment, checkweighers should stand up to the varied conditions of a plant environment. Industrial-grade components should work accurately after repeated cleaning, maintenance, and general operating conditions over time.

In addition, the checkweigher should be easy to operate and control. Software that allows operators to create recipes on a variety of SKUs and packages is ideal. For complete ease-of-use, choose a checkweigher with non-proprietary controls that will allow you to easily customize the checkweigher's parameters for specific applications.

Some checkweighers, including PLC-based checkweighers, make it easy to communicate with other systems in the plant and provide easily accessible data, which is important to optimizing operations.

Secure Connectivity and Data Collection

Security is a concern for every operation. While you want security, you still want a checkweigher that is easy to connect. By design, PLC-based controls eliminate the need for special coding and permissions since it communicates with Ethernet. A dedicated Ethernet connection will help keep checkweigher data and production information safe behind the firewall.

Data collection helps improve fill accuracy. Once a checkweigher is connected to a plant network, it has the ability to collect thousands, or even millions, of data points. You can use this information to find variances to further improve accuracy. Look for a checkweigher that allows you to download data in a useable format. Ideally, it will provide a sortable file such as a CSV file via email or USB, or direct download.

Easy Calibration

A checkweigher isn't adding anything to your operations unless it's calibrated. Here, checkweighers fall into two categories: strain gauge and Electro-Magnetic Force Restoration (EMFR) technology. Strain gauge weigh cell calibration is a manual, time-consuming process that can drift over time, requiring routine maintenance by a service technician.

EMFR technology, however, has no moving parts or components that can drift, eliminating practically all maintenance. Calibration is completed by machine operators or plants maintenance staff via software in a few minutes.

Weigh Cell Technology

Strain gauge and EMFR checkweighers also differ in accuracy and how well the checkweigher measures package weight in motion. Typically, to determine a baseline weight, you take several weights over time to determine an average weight.

There are no moving parts with EMFR, checkweighers that utilize this technology stabilize faster and can exponentially obtain more measurements in the same period of time. This ultimately increases the accuracy of EMFR checkweighers overstrains gauge checkweighers.

In addition to the above considerations, choosing a high-quality checkweigher also needs to take into account other accessories information. If you want to know more specific information, Syndar is happy to provide you with professional solutions.

As a professional manufacturer of weighing and inspection systems, we have become a leader in the industry with our excellent R&D technology and leading manufacturing technology. We uphold the attitude of putting customers' needs first, and can continuously optimize and adjust our design schemes according to user needs and feedback to meet different production needs. If you are interested in our products, please contact us immediately!

Syndar has been focusing on innovations in food packaging, weighing, and quality inspection and control. Experienced and aggressive employees

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