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How Load Cells Are Transforming the Construction Industry

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The construction industry is one the most universal, growing, and dangerous industries in the world. Interface force measurement solutions are used for all types of construction applications from bridge and high-rise building projects to foundation load tests and structural monitoring. Our sensors and instrumentation are used in crane and heavy lifting operations, material testing and equipment calibration.

Accuracy and quality of all measurement products used for design, testing, monitoring, and equipment evaluations is imperative in protecting the project’s assets and workers. One of the leading causes of construction accidents is overloading equipment. When equipment is overloaded, it can fail, leading to serious injuries. It is essential to utilize high accuracy load cell technologies to measure the amount of force being applied to construction equipment.

Interface force measurement solutions can help to prevent overloading accidents by using the measurement data to ensure that equipment is not being extended beyond its safety capabilities. Force measurement solutions can also be used to monitor the performance of equipment and identify potential problems before they lead to an accident.

Interface offers a wide variety of sensor solutions for construction equipment and material testing. Our load cells offer precise measurements of applied forces, furnishing essential data regarding the structural response under various load circumstances. This data plays a critical role in evaluating structural integrity, detecting potential vulnerabilities, and optimizing design to guarantee the safety and dependability of infrastructure.

Interface force measurement solutions can help to improve efficiency and productivity in the construction industry in all areas including engineering, testing and maintenance. By monitoring the performance of equipment, construction companies can identify areas where they can improve efficiency.

It is common to find Interface load cells, including load pins, load shackles, miniature and even jumbo load cells in use for various forms of construction projects, equipment and tools. These products, as well as torque transducers, instrumentation and wireless systems are frequently used in the testing and monitoring of the machinery, rigging and lifting devices, gear, and heavy duty vehicles that are used in various stages of building.

Interface provides various sensors for a range of construction use cases around the world, including:

  • Residential and commercial buildings
  • Infrastructure programs
  • Industrial construction
  • Material testing machines
  • Civil engineering projects
  • Mining and tunneling
  • Environmental remediation
  • Heavy equipment manufacturing
  • Vehicle OEMS
  • Cranes and lifting equipment


Construction is an ever-present and ever-growing industry estimated to reach nearly $13T in global spending with broad and diverse use of measurement solutions. From single dwelling construction tools to heavy machines used to move concrete slabs, measurement is fundamental in construction. Included below we have provided a few examples of how our sensors are being used in construction.

Construction Reach Stacker

A reach stacker is a vehicle used in construction site to lift, move, and stack heavy containers. A force monitoring system was needed to ensure the safety of surrounding personnel, and if the reach stacker can lift heavy loads. Interface’s WTSLP Wireless Stainless Steel Load Pins were installed into the corners of the lifting mechanism of the reach stacker, where heavy loaded containers are lifted and moved. The force results were then wirelessly transmitted to both the WTS-BS-1-HS Wireless Handheld Display for Single Transmitters, or directly to the customer’s PC with the WTS-BS-6 Wireless Telemetry Dongle Base Station. Using this solution, the customer was able to monitor their reach stacker with Interface’s Wireless Telemetry System and ensure its ability to lift heavy loads on site.

Bridge Construction Wind Monitoring

Wind monitoring is a necessary operation during bridge constructions. Strong winds can destroy a bridge under construction since it is a work in progress with poor structural design. Monitoring these winds in real time is much more accurate than using predicted weather forecasts. Interface suggested installing the WTS-WSS Wireless Wind Speed Transmitter Module on the highest point of construction, such as a crane. Wind speed results were wirelessly transmitted to the customer’s PC through WTS-BS-4 Wireless Base Station with USB Interface in Industrial Enclosure. It was transmitted to the WTS-BS-1 Wireless Handheld Display for Unlimited Transmitters Data can be displayed, logged, and graphed with supplied Log100 software. Interface’s WTS-WSS Wireless Wind Speed Transmitter Module combined with Interface’s Wireless Telemetry System was perfect to monitor the wind speed in real-time during the bridge’s construction.

Metal Bending Force Material Testing for Construction

A construction material supplier wanted to know how much force it takes to bend different grades of steel metal used for building and infrastructure projects. They use their metal bending machine to create different metal hardware and wanted to record the amounts of force it takes to bend the metal used for their projects. Interface suggested using a wireless method, so cables do not interfere with the machine. The WTS 1200 Standard Precision LowProfile® Wireless Load Cell was attached to the head of the hydraulic operated steel bender. Results were wirelessly transmit to the customers PC through the WTS-BS-4 Wireless Base Station with USB Interface, where data can be displayed, logged, and graphed with supplied Log100 software. Using this solution, the customer was able to record the force results of his metal bending machine with Interface’s Wireless Telemetry System.

Interface is adept at providing solutions suited for use in construction projects, equipment and ongoing monitoring programs.  If you have questions about what products are suited for your specific project, equipment or testing programs, contact us. We are here to help.

ADDITIONAL RESOURCES

Force Measurement Solutions for the Construction Industry

Interface Solutions for Heavy Equipment

Gantry Crane Weighing

Lifting Heavy Objects

Rigging Engineers Choose Interface Measurement Solutions

Innovative Interface Lifting Solutions

Modernizing Infrastructure with Interface Sensor Technologies

Interface Solutions for Structural Testing

Why Civil Engineers Prefer Interface Products

Innovative Interface Load Pin Applications

 

 

Interface Solutions for Heavy Equipment

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Interface has collaborated with heavy equipment design engineers and OEMs for many years by providing sensors to measure weight, torque, and force. Heavy equipment, also known as heavy machinery, is used to describe the heavy-duty machines that are vastly utilized in infrastructure, construction, transportation, maritime, forestry, agriculture, and mining industries.

Force measurement plays a crucial role in the design, testing, and use of heavy equipment and vehicles including excavators, bulldozers, loaders, cranes, lifts, mixers, pavers, and compactors. Many of the considerations in designing heavy machinery are mandated by force limitations and equipment performance testing. Reference our Cranes and Lifting case study for examples.

Top Five Heavy Equipment Use Cases for Force Measurement

  1. Performance Valuation: Force measurement is used to evaluate the performance of heavy equipment. It allows engineers and designers to assess the forces and loads experienced by different components, such as hydraulic systems, structural elements, and moving parts. Measuring forces with high accuracy ensures that the equipment is built to operate within safe and efficient limits.
  2. Safety Confidence: Heavy equipment operates in demanding and challenging environments where safety is fundamental. Force measurement solutions from Interface help to identify potential safety risks by monitoring the forces exerted on various components in both testing and actual real-time use. Load cells and other sensor technologies enable engineers to design equipment with appropriate safety factors, ensuring that it can withstand the expected forces without failure or compromising operator safety.
  3. Design Optimization: Force measurement assists engineers to enhance the design of heavy equipment. By accurately measuring forces and loads during operation, and will identify areas of high stress or potential weak points. This information is valuable in refining the design, selecting appropriate materials, and implementing structural modifications to improve durability, efficiency, and overall performance.
  4. Regulatory Standards and Compliance: Heavy equipment is subject to strict industry standards and regulations, globally, nationally, and locally that specify performance and safety requirements. Force measurement is used for measuring and monitoring compliance. By accurately measuring and documenting forces, engineers can demonstrate that the equipment meets the specified criteria, aiding in regulatory approvals and certifications.
  5. Troubleshooting and Maintenance: Periodically measuring forces to monitor the condition of critical components and identify any abnormal or excessive forces is useful for identifying issues or wear. This information is critical for preventive maintenance, identifying the root causes of problems, and extending the equipment’s lifespan.

In the construction industry, heavy equipment is extensively used for retail, commercial and civic construction projects. Interface supplies load cells, tension links, load shackles, load pins and other measurement solutions for testing and monitoring.

Excavators are equipped with a hydraulic arm and a bucket, allowing them to dig, excavate, and move enormous amounts of earth, debris, or materials. Sensors are used in design, performance monitoring and maintenance of this type of machinery.

Loaders are powerful machines used for loading materials onto trucks, stockpiling, and general material handling. Overloading is the most common failure. Testing loads for these machines used in construction sites, quarries, and mining operations ensures safety and compliance.

Bulldozers need to be evaluated for earthmoving and grading projects. Rigorous force measurement evaluations help to validate power and maneuverability.

Cranes extensively utilize sensors, including load pins and tension links. During crane lifting capacity tests, force sensors are used to verify if a design for the crane can handle the loads it is required to lift and carry while in movement. This can be done with a variety of different force sensors. Interface tension link sensors are a smart choice as it can be used inbetween the crane hook and the load to provide a more accurate reading on the force. This example of force testing is critical to not only moving the required load, but also in verifying that the crane is safe to operate around workers below. If the crane lift capacity cannot be verified, individuals below the crane are at risk of massive loads dropping from great heights.

Lifts depend on sensors. In the shipping and transportation industry, heavy equipment must have carrying capacities verified or the machines and vehicles may break down or lose control due to excessive loading. In addition, operators need to be cognizant of their load limits and current use in cases. This verification is done using load cells in the testing of the vehicle, but load cells are also used at truck stops with weigh stations. Interface load cells can provide fully accurate data at extremely high weight. In addition, the engines on these trucks need to be able to move the vehicle while under large loads. For this challenge, torque transducers can be used to evaluate and refine an engine’s capability to move vehicles at required loads.

Interface sensors are used in the test and monitoring of maritime heavy equipment, both onshore and near-shore. Cranes and forklifts used in moving cargo plus maritime equipment used for securing lines often use sensor technologies. We also supply measurement devices used for heavy equipment that is submersible. This includes engine testing, mooring and fishing lines, boat hoists and more. Interface offers a complete lineup of sealed sensors that excel while submerged, allowing maritime users to test equipment in real time.

Included below, we have outlined a few heavy machinery testing examples in which Interface products were used:

Gantry Crane Weighing

Gantry cranes are used for several mobile and lifting applications within industrial or construction environments. A weighing system is needed to see if the gantry crane can manage lifting heavy containers or loads, preventing crane failure or accidents. Interface’s WTSLP Wireless Stainless Steel Load Pins can be installed into the corners of the lifting mechanism of the gantry crane, where heavy loaded containers are lifted and moved. The force results are then wireless transmitted to both the WTS-BS-1-HS Wireless Handheld Display for Single Transmitters, or directly to the customer’s PC with the WTS-BS-6 Wireless Telemetry Dongle Base Station. Using this solution, a customer can monitor the loads lifted from their gantry crane with Interface’s Wireless Telemetry System and determine whether their gantry crane was able to manage lifting heavy loads.

Overall, force measurement provides valuable insights into the performance, safety, and reliability of heavy equipment, enabling designers, manufacturers, and operators to make informed decisions and ensure efficient and safe operation.

We have a wide range of solutions for the design and testing challenges of heavy equipment used for lifting, weighing, and measuring force and torque. Contact us for any help you need with heavy equipment solutions.

ADDITIONAL RESOURCES

Infrastructure Projects Rely on Interface

Lifting Solutions

Weighing Solutions Brochure

Heavy Truck Test and Measurement Solutions

Force Measurement Solutions for the Construction Industry

Bridge Construction Wind Monitoring

Solutions to Advance Agriculture Smart Farming and Equipment

Why Machine and Equipment Manufacturers Choose Interface

LIFTING: Lifting Heavy Objects

LIFTING: Crane Block Safety Check

LIFTING: Crane Force Regulation

Interface Solutions in the World of Sports

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With our headquarters in the golf capitol of the U.S., it is easy to see why Interface test and measurement solutions rank top for engineers and golf manufacturers to test the force of golf balls, range equipment, clubs, and even the carts that roam the course. But our sensor technologies have a much broader reach, in both sport and geography.

Why is force measurement so heavily involved in the making and designing of sports equipment? It is obvious even by definition; sports are considered an activity involving physical exertion and skill in which an individual or team competes against another or others for entertainment.

The physical exertion often utilizes some type of apparatus, device, tool, material, equipment, or gear that requires measurement of tension, compression, or rotation. Every sport differs and type of testing also will vary, whether from initial fatigue testing or actual designing sensors into the fitness equipment like a treadmill.

Our force measurement sensors are used across a wide variety of sports equipment to evaluate performance, lifecycle, durability, and quality.

Our specialty is building high accuracy solutions for the testing and monitoring of parts and total systems that move and create force, which is vital to makers and product designers of sports equipment and machines. Our force measurement solutions are ideal for stand-alone testing rigs, production equipment, as well as to embed in sports products in order to increase operability and reliability for end users.

Interface force measurement solutions are commonplace in sports gear and equipment R&D labs, design houses, manufacturer test and production facilities. The range of products we provide is as broad as the variety of sport categories, both individual and team. This applies to products used by consumers, as well as by professional athletes, trainers, and pro sport teams. We also collaborate with several engineers and manufacturers that build exercise and training equipment.

Interface has a history of providing our low profiles, s-types and miniature load cells for testing products used in individual sports such as running, weightlifting, mountain climbing, skiing, skating, bowling, fishing and cycling. We have created solutions that measure force and torque for gear used by competitive team sports including football, soccer, hockey, rugby, tennis, baseball, water sports and more. We have even seen an extended use in tools and equipment used in auto racing and even esports, who are using our sensors to test the actual gaming devices like brake pedals, driving gear and touch screens.

Interface is a global supplier of load cells, torque transducers, multi-axis sensors, and instrumentation for sport and fitness equipment. Here a few examples of where Interface solutions were used to influence the design, test, quality, and user experience.


Fitness Equipment Testing

A premiere maker of machines used in training and gyms around the world needs multiple load measurement systems for their different fitness machines. These machines included elliptical, leg press, rowing machine, and the cable machine to start. They want to ensure the machines functioning properly to prevent injuries. It can also be used for trainers who want to conduct strength and endurance tests.  A combination of products such as the WMCFP Overload Protected Sealed Stainless Steel Miniature Load Cell, SSB Sealed Beam Load Cells, and AT103 Axial Torsion Force and Torque Transducers. Paired with Interface’s proper instrumentation, the forces can be measured, graphed, and displayed during the testing stage. Read more about these solutions here.

Golf Club Swing Accuracy

Golfers undergoing training or practice wanted a system that will monitor and record their striking accuracy and swing movement. Interface created a custom made SSB Sealed Beam Load Cell that can be attached in line with the golf handle. When a golf ball is struck, force measurements are recorded, logged, and graphed using the WTS-AM-1E Wireless Strain Bridge Transmitter. The results transmit directly to the WTS-BS-6 Wireless Telemetry Dongle Base Station when connected to the customer’s PC or laptop. Using this solution, the customer was able to successfully record, graph, and log a golf player’s striking accuracy and swing movement with Interface’s wireless force system. Read more here.

Mountain Bike Load Testing

A mountain bike manufacturing company wanted a system that measures their bike frames load capacities and vibrations on the frame. They want to ensure the bike’s high quality and frame load durability during this final step of the product testing process for their future consumers. Interface suggested installing Model SSMF Fatigue Rated S-Type Load Cell, connected to the WTS-AM-1E Wireless Strain Bridge, between the mountain bike’s seat and the bike frame. This will measure the vibrations and load forces applied onto the bike frame. The results will be captured by the WTS-AM-1E and transmitted to the customer’s PC using the WTS-BS-6 Wireless Telemetry Dongle Base Station. With this system, the mountain bike manufacturing company was able to gather highly accurate data to determine that their bikes met performance standards through this final testing. Learn more here.

 

Golf Ball Tee Testing Machine

A customer wanted to ensure their golf ball automatic tee mechanism is working for their consumers- both buying their tee’s for home use or for golfing ranges. They needed a system that will sense the presence of a golf ball, which will trigger and automatically dispense new golf ball to the tee. Interface’s WMC Sealed Stainless Steel Miniature Load Cell was installed within the golf tee, which would measure the golf balls pressure on the tee when loaded or unloaded. This load cell is electrically connected to the motor which initiates the cycle to release another ball onto the tee. Force measurements can be measured using the 9330 High Speed Data Logger when connected to the customer’s PC or laptop. With Interface’s products, the customer was provided a force solution that was able to measure the presence of a golf ball on their auto-tee machine. Get more information here.

These are just a few examples of Interface’s work in the sporting goods and fitness industry. If it moves, rotates, pushes, or pulls, chances are that Interface has a solution that can help perfect the performance. To learn more about our work in sports and consumer goods.

ADDITIONAL RESOURCES

Interface Measures Fitness Equipment with Extreme Accuracy – Case Study

Why Product Design Engineers Choose Interface

Race Car Suspension Testing

CPG Treadmill Force Measurement

CPG Gaming Simulation Brake Pedal

CPG Bike Power Pedals

CPG Bike Helmet Impact Test

Mountain Bike Shocks Testing

Fine-Tuning Testing Solutions for Championship Racing Vehicles

Force Solutions for Testing Machines

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In test and measurement, one of the most common application for force sensors is industrial-scale testing machines of all kinds. Force and torque data is used in several ways with these types of applications. They can be used in the design phase to help perfect a product or component as it relates to force input or output. They can also be used as a monitoring device to tell users when a machine or its accessories need to be repaired or replaced.

For machine makers, product engineers and test lab equipment users, Interface supplies precision load cells, torque transducers, data acquisition devices and accessories.

Machine testing is one of our most prominent use cases for measurement sensors. Interface has seen quite a few different applications across industries. We’ve noted a few of our application notes that highlight these use cases by outlining how force measurement solutions are used in various machines.

Proving Theoretical Cutting Forces of Rotary Ultrasonic Machining

Rotary ultrasonic machining is a hybrid process that combines diamond grinding with ultrasonic machining to provide fast, high-quality drilling of many ceramic and glass applications. This new method has been theoretically proven using computer models. Rotary ultrasonic machining generates forces of a very small magnitude. To prove this theory, any load cell used for measurement must be sensitive, while at the same time retaining high structural stiffness within a compact, low-profile envelope. Interface suggest using its 3A120 3-Axis load cell installed in the rotary ultrasonic machine to measure the forces being applied to a sample part. With clear signals and minimal crosstalk, the applied forces are recorded and stored using an the BSC4D Multi-Channel PC Interface Module. The 3-Axis load cell provides excellent data helping uncover the relationship between machine cutting parameters and the forces applied on the component. Using this knowledge, the machining process can be reliably optimized for new materials and operations. Review the complete cutting forces of rotary ultrasonic machine application note.

Friction Testing Machine

A testing laboratory was looking to replace two single axis load cells used in their friction testing machine with one sensor that could measure force on the x, y, and z axis simultaneously. Interface’s 3A60 3-Axis load cell was installed on their existing machine with an Interface BSC4D-USB Multi-Channel PC Interface hooked directly to a PC laptop to monitor and log the data in real time. The testing laboratory was able to simplify their sensor set-up and improve their data collection, creating more value for their end customer. Friction testing is a common use case.  To learn more about this application for a friction testing machine, go here.

Spring Compression Testing Machine

In an upgrade in machinery and testing equipment, a customer sought a solution to test the performance of their springs in their specially designed spring test stand using a new wireless solution. Interface suggests using the WTS-5200XYZ 3-Axis Force Moment Load Cell which has 3 integral WTSAM-1E Wireless Transmitters and installing it into the customer’s spring compression frame. The WTS-5200XYZ 3-Axis Force Moment Load Cell will measure the force compression of the spring. The integral WTS-AM-1E Wireless Strain Bridge Transmitter Modules will transmit and display the information wirelessly to the LCCA Wireless Instrument enclosure. It can also be programmed to trigger an alarm.  You can read about the spring testing machine here.

Weighing and Packaging Machine

A food brand wanted to weigh the amount of their snacks that is automatically dispersed into the bags during the packaging process. In this case, they also want to weigh their potato chips being packaged and ensure the potato chips are at the exact weight needed due to regulatory standards. Interface’s suggested using multiple SPI Platform Scale Load Cells and install them to the potato multi-head weigher and packaging machine. The SPI Platform Scale Load cells were installed inside of the mount that attaches the head weigher to the packaging machine. Force results from the potato chips were read by the load cells and sent to the ISG Isolated DIN Rail Mount Signal Conditioner, where the customer could control the automated production from their command center. With these products, the customer was able to determine the weight of the potato chips being distributed into their bags with highly accurate results. They also were able to control the automated production process with the provided instrumentation. They will use this same weighing method for other snacks that need to be packaged. Learn more about the packaging machine here.

Interface sensors are used across industries to test advanced machinery because our products provide the most accurate data on the market to help improve the efficiency and quality of equipment and testing machines. To learn more about Interface solutions for testing machines, check out our application notes page at www.interfaceforce.com/application-notes/.

New Interface White Paper Highlights Turning an Active Component into a Sensor

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The most common uses of force measurement in OEM (original equipment manufacturer) applications are when a force sensor is designed into a product that will be produced at mid to high volumes and provides real-time force feedback on certain product functions in use. Utilizing sensors as a feature enables data acquisition over time to monitor forces and understand how those forces effect product efficiency, safety, quality or all of these performance metrics. This ultimately is used to design a better product, in the current state and for future enhancements or to know when a product is performing best or risks breaking down.

Did you know that there is another application of force sensors in OEM applications that is playing a large role in the factory of the future? This is when we turn an active component into a sensor and use that data to create automated actions. This solution is used when there is a desire to take a moving component within a system and make it smarter, ultimately allowing it to make data-based decisions on its own.

For example, the manufacturing industry is using force sensors on machines within a production line that are responsible for picking components up for visual inspection. The sensor is integrated into the grabbing component and can tell the machine the exact force to use when picking up the component as not to damage it. This is a critical capability when dealing with expensive and delicate components that can break under too much force. In the past, a force measurement sensor would have been used only to test this functionality. When the sensor is designed directly into the machine, the user can both test beforehand and monitor and automate processes in real-time.

The need for this type of capability is growing rapidly amongst manufacturers across a wide variety of industry including aerospace and defense, industrial, medical, automotive, industrial automation, assembly and more. To further outline the potential for these types of solutions, Interface developed a new white paper that details  how sensor solutions for OEMs work with specific examples of the benefit of turning an active component into a sensor.

Included below is a brief intro to the recently released white paper. Get your copy by clicking on the link here. Additionally, if you’re interested in learning more about Interface solutions for OEM applications go here, or call us to speak to our OEM application experts at 480-948-5555. Ready to get started, let us know how we can help here.

WHITE PAPER EXCERPT

OEM SOLUTIONS: TURNING AN ACTIVE COMPONENT INTO A SENSOR

The age of industrial automation and big data is upon us. Manufacturers that fall behind in equipping their facilities and products with innovation that allows for automated processes, remote monitoring and better efficiency through technology, will quickly fall behind. This is due to the fact that automation helps to significantly improve process quality because it eliminates human error. It also creates long-term cost savings by speeding up several processes, or by helping to monitor products in use and in real-time to optimize performance and stability over time through better data collection.

Get your copy of the white paper to read more.

Special note, contributors to the white paper are Interface and sensor engineering experts, Brian Peters and Rob Fuge.

Additional Resources for OEM

Interface is a Critical Solutions Provider for OEMs

Making the Case for Custom Solutions Webinar Recap

 

Force Solutions for Medical Tablet Forming Machines

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In the medical and healthcare industry, accuracy is an absolute imperative in the devices used in every stage including diagnosis, surgery, health monitoring and even after care. This also applies to the specialized equipment used by pharmaceutical manufacturers, in both design and maintenance, when producing medicine and other healthcare related products.

When it comes to product development in the United States, not only do med devices and pharmaceuticals need to pass rigorous FDA regulations, but they must also be proven to serve patients and doctors safely. This results from robust test and measurement data requirements before seeking clearance. These same types of fundamental safety requirements of testing are also standard in most developed countries when seeking approvals before release.

Medical industry manufacturers turn to Interface because our force measurement solutions are designed for high performance test and measurement, in both accuracy and reliability. There is also a high demand for Interface’s ability to customize solutions to meet the exact requirements of these sensitive applications.

In a variety of medical device applications, one noted example is Interface’s role in providing various miniature beam and in-line load cell solutions with ten times the overload protection to protect against accidental shock loads. Our torque transducers provide rotary and reactive measurement to accurately track light movements required to control prosthetic fatigue testing, surgical equipment, knee or hip replacement and other medical devices. Other Interface solutions include multi-axis sensors for multiple channels of measurement in one housing. Read more about these types of medical applications here.

Interface provides force measurement solutions for a wide variety of products and machines that help biotechnology and pharmaceutical product engineers to design, test and manufacturer devices of all shapes and sizes. When it comes to equipment used in the manufacturing of medicine, Interface products are used to optimize production and reduce waste.

TABLET HARDNESS TESTING

In this application, a pharmaceutical tablet producer wanted to test and monitor the hardness of the tablets being created in their tablet forming machine. Interface’s SML Low Height S-Type Load Cell was mounted to the hardness device inside the tablet forming machine. The SML Low Height S-Type Load Cell was then connected to the 9870 High-Speed High Performance TEDS Ready Indicator to record the force measurements.

TABLET FORMING MACHINE OPTIMIZATION

For a tablet forming machine optimization project in Europe, a pharmaceutical tablet producer wanted to monitor the forces applied by the tablet forming machine in an effort to understand the relationship between raw material, die set, forming force, and motor cycle speed. The goal was to improve productivity and efficiency of the tablet forming process, while reducing losses such as cracked tablets or voids, by adding a dimension of feedback that could be used to assign specific press adjustment criterion for given inputs. An Interface Model WMC Sealed Stainless Steel Mini Load Cell 10K lbf was mounted in the section of the downward press bar. The machine was modified to accomplish this. The load cell was then connected to a Model 9320 Portable Load Cell Indicator to collect the needed data.

TABLET MACHINE HARDNESS CALIBRATION

Our partners in Germany also had the opportunity to work on a calibration project for a device that tested the hardness of tablets, such as a medicine in tablet form. The reason for this type of device is because medical tablets are overly sensitive to compression force when being formed and when ready to be shipped. If the tablets hardness isn’t tested properly, consistency in size and shape is nearly impossible. The need for force testing is because the device must provide very minimal and accurate forces to the tablet for product consistency. When this is applied to tablets that are used in medicine, accuracy in dosage is fundamental and an absolute necessity.

The customer required a unique solution to properly re-calibrate the device. They needed a mini-load cell the size of a sugar cube that replaces the tablets and fits horizontally in the tablet test-box. A special cable exit was also critical for the compression only calibration application.

Interface provided an MCC Miniature Compression Load Cell which can measure forces on its side with a special cable exit on the flat side that attaches to a calibration indicator, such as the Interface battery powered handheld indicator and datalogger Model 9330. The MCC load cell calibration set compares the applied forces with the hardness tester to make sure that the tablet hardness tester uses the correct force for future tablet hardness tests. The BlueDAQ software included in our indicator helps to log and compare the data of the MCC reference load cell.

In the past, the customer’s medical tablet machines had to be rebuilt for calibrations, or a complex mechanism had to be integrated to enable vertical calibration. With Interface’s new solution, the customer successfully verified and calibrated the tablet hardness tester machine horizontally to conduct accurate hardness testing on tablets in the future. Interface’s MCC Miniature Compression Load Cell was perfect due to its small size, and convenience in measuring the forces on its side.

Read more about these healthcare and medical applications in these posts:

Interface Solutions for Medical Devices and Healthcare

Interface Load Cells in Medical Applications

Interface Ensures Premium Accuracy and Reliability for Medical Applications

To see more of Interface’s solutions designed for the medical device industry, visit our solutions page at www.interfaceforce.com/solutions/medical-healthcare/.

Interface Crane Use Cases and Application Notes

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Manufacturers and engineers of heavy equipment are rigorous about the design quality, performance and most importantly preserving safety. Having tools to test and monitor this type of equipment allows equipment producers and users to review performance at all stages, ultimately maintaining a safe working environment which is critical to any construction, transportation, or infrastructure project job site. That’s why Interface provides quality force measurement products for a host of industrial equipment machines to accurately measure force, load capacity, weight, tension and more.

Interface has been a long-time supplier of force and torque sensors along with instrumentation products for projects involving all types of cranes and lifting machines. We are frequently asked to provide crane force measurement solutions for applications used in hoisting, lifting, moving, and transporting heavy objects. These use cases range across all types of environments, from constructing high rises in metropolitan centers around the world to maritime industry users loading docks and lifting watercraft.

To outline how force measurement is used to monitor cranes, we developed a series of application notes explaining the components Interface provided to allow our customer to measure safety, reliability, and efficiency of their equipment.

Crane Capacity Verification

The first application note outlines a project in which the customer wanted to verify that their crane was strong enough to safely lift a heavy load at its rated maximum load capacity. It was determined that because of the size of the crane, a wireless solution was needed to avoid long wires and burdensome installation. Interface provided a WTSTL Lightweight Wireless Tension Link Load Cell to measure the load’s maximum capacity. WTS-RM1 Wireless Relay Output Receiver Modules were also used to trigger an alarm that can be set when the maximum capacity of weight/force has been reached. To review the data the customer could transmit the data to a PC or laptop with a WTS-BS-4 USB base station. The data can also be reviewed through a WTS-BS-1-HS Wireless Handheld Display. With this solution, the customer was able to verify if the crane is safe and functional enough to lift it’s working load limit (WLL), or safe working load (SWL) capacity.

Read the full Crane Capacity Verification Application Note here.

Crane Block Safety Check

The next example features a crane application in which the customer wanted to detect whether a crane block could lift a heavy load securely to keep working conditions safe for personnel. The customer specifically wanted the solution to include an alarm feature that notified them if lifting capacity was exceeded in real-time. Using a WTSLP Wireless Stainless Steel Load Pin in place of a load bearing pin in the crane block, they could measure the force being applied by the heavy load. Data will be transmitted and displayed through both the WTS-BS-4 USB Base Station. It can also be paired with the WTS-BS-1-HA Wireless Handheld for real-time safety monitoring. The WTS-RM1 Wireless Relay Output Receiver Module triggers an alarm when maximum capacity has been reached. The customer was able to verify if the crane was operating safely and was always functional enough to lift it’s working load limit (WLL) or safe working load (SWL) capacity. The added alarm feature is critical for notifying users when the crane reaches unsafe limits during operations.

Read the entire Crane Block Safety Check Application note here.

Crane Force Regulation 

In the final application note, a customer wanted to regulate the maximum number of heavy loads being lifted, so that production time was both safe for workers and efficient. The goal was to complete lifting duties faster and with little or no expense. A wireless solution was also preferred, so that there would be no long cable interference during production. Interface supplied a WTSLP Wireless Stainless Steel Load Pin, which can be custom made to be used for any and all types of cranes. It is also great for lifting both short and long distances. The load pin was paired with the WTS Wireless Telemetry System, where force could be measured and logged. The customer was able to monitor the continuous force from the crane, and gather information on loads being lifted for continuous safety and production reporting requirements.

Read the complete Crane Force Regulation Application Note here.

You can read more about heavy equipment testing and use cases in our post, Force Measurement Solutions for the Construction Industry.