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Force Measurement Solutions for Bolt and Screw Fastening

Among the many applications of force measurement devices, one that appears to be a simple application can have a big impact on worker safety, productivity, waste reduction, assembly and product performance. In this new animated application note highlight, we take a look at the tools used for bolt fastening measurement.

Bolts and screws are used to secure different pieces or components together for nearly every product imaginable, especially when it comes to large machinery and even automobiles. The success of these products and the manufacturing of these components requires a strict level of detail that goes into the tightness of a bolt. It’s not like your typical “do it yourself” furniture where you just tighten a screw or bolt until you can’t anymore. The precision needed for certain objects to be tightened to the exact measurement is mandatory.

Interface provides measurement solutions for all types of industrial automation and toolset testing used in thousands of applications that ultimately are utilized in the building of products. In the example below, we provided devices that are used to determine the exact bolt force and tightness necessary. The goal of measuring the tightness is to avoid under or overtightening. As you can imagine, under tightening can cause components to come apart. However, over tightness can also cause significant damage to the pieces being bolted together.

Bolt Fastening Application

To show the process of measuring bolt tightness, check out this latest use case video demonstration.

For this bolt fastening application, the customer used an Interface Model LWCF Load Washer along with an Interface Model INF-USB3 Single Channel PC Interface Module to monitor force being applied during bolt tightening. The data transferred from the bolt clamping force load cell load washer with a thru-hole, to the instrumentation is displayed, logged and graphed directly onto a computer for analysis and performance testing.

This is a basic example of the test and measurement process, however, Interface also contributed to a number of real-world projects and created applications notes to provide an illustration. One of our favorites is when an industrial automation company was building an automated assembly machine for an automotive manufactur­ing plant.

The product engineers and testing team needed to tighten all of the head bolts on an engine on their assembly line to a specific torque value. Having the head bolts precisely and consistently tightened to the engine block is critical to the operation of the engine.

To measure this force, several Interface Model T33 Spindle Torque Transducers were installed in their new machine to control torque and angle and ensure the head bolt was properly tight­ened. The square drive of the T33 allowed the customer to fix their tool directly to the end of the torque sensor, streamlining the installation.

Using this solution, the head bolts were correctly installed according to manufacturer specifications, producing an engine that meets performance and reliability expectations of the auto manufacturing plant.

Here are additional solutions that showcase how Interface load cells, torque transducers, instrumentation and custom solutions are used for various tools and manufacturing processes across various industries.

Aircraft Screwdriver Fastening Control

Fastening Work Bench

Bolt Fastening Force and Torque

Interface Solutions for Robotics and Industrial Automation

Contact us to learn more how we can help you ensure the right fastening and machine control for your next projects.

 

 

 

Robotics and Automation are Changing Modern Manufacturing at Interface

As the leader in manufacturing force measurement solutions for more than 51 years, the day of carrying out monotonous tasks on the manufacturing line by hand is a history not worth repeating.

Innovation is a core value at Interface. It is essential in helping us advance and grow our production experience and responsiveness to our customer’s advanced application use of our load cells, torque transducers, and thousands of other products that we manufacture.

Continuous Improvement SME Lance Gerdes shares his insight into how a focus on innovation is leading to the introduction of automation tools and robotics onto the manufacturing floor at Interface’s 50,000 square foot headquarters in Arizona.

It is difficult to look back fondly on the days that lacked automation of production line tasks. Line work was straining and tedious during those days, as most technicians would agree. Fast-forward to today, companies who are incorporating new technology are typically experiencing process improvements, increased efficiency, reduced overhead, improved quality output and better run facilities overall.

Results speak for themselves. Manufacturing facilities equipped with automation can significantly reduce time spent on repetitive work, freeing up time for technicians to focus on other areas that advance production and get products to market.

Interface recently invested in a line of collaborative robots to upgrade our facilities. With responsibility for the specialized 1923 Wireless Load Cell product line at Interface, looking back there are many of the typical tasks our technicians used to carry out that involved full days of certain repetitive tasks by hand. The days where my technicians were forced to focus on these tasks represented a significant barrier to peak productivity. Times have changed and so has Interface!

Today with the introduction of automation, we are operating more efficiently than in those dark ages without robotics. We are using collaborative robots to handle tasks, including the application of RTV, which is a silicone sealant used on load cells to protect them from environmental factors. In the past, the technician would be responsible for applying this adhesive in addition to hand-tooling. By automating the adhesive step of this task, those technicians are averaging 50% more efficiency in their workflow.

“Robotics used to facilitate automation is a “must-have” addition to every manufacturing floor.” Lance Gerdes

The return on investment is easily achievable in a year or less. Interface has seen as high as a 15% production increases across the board. As a champion of continuous improvements in our manufacturing, I am excited to see our production results. This success is now leading us to look into more tasks that can be automated using collaborative robotics.

One concern regarding the rise of robotics in the industrial sector we constantly get questions about is the use of robotics as a replacement for our human workforce. This could not be further from the truth at Interface. If anything, robotics will eventually increase the skill set of our current technicians and open up new job openings for Interface as we grow. As we get more advanced collaborative robotics integrated into our work, it improves our capabilities. We will need operators for this automation equipment. And, as we become more efficient and increase profit margins, we’ll have the capacity to grow Interface’s products and services. A win for more jobs, more solutions, and more happy customers!

Robotics and automation are changing the way manufacturing floors operate for the better. At Interface, we look forward to researching and applying new ways that each department can implement automation and robotics technology.

Contributor:  Lance Gerdes, Continuous Improvement SME, Interface

More than half of Interface’s team members work in production. The average tenure for our team is nearly a decade. Our diverse talent in skill and capabilities serve more than 4,500 global customers in various markets each year. For more detailed insights on the inner-working of the Interface manufacturing floor, Interface’s revolutionary products and profiles on our excellent team subscribe to the InterfaceIQ blog at /blog/.