Miller Ingenuity empowers safe and profitable railroad operations like no one else in the market. With ingenious technology application, we develop groundbreaking products and modernize existing products for roadway workers, railroad companies, and their customers.
We have developed a suite of products to prevent fatal railroad accidents by utilizing fail-safe technology architecture. For roadway workers, railroad companies, and their clients; safety starts here at Miller Ingenuity.
We love to surprise our clients with ideas that improve performance and take a difficult challenge off of our clients' shoulders. We never stop innovating new solutions and that's our competitive edge. Give us a call and leverage our passion for your advantage.
Miller Ingenuity is the rail industry's exclusive distributor for DuraForce Fastners.
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ReLok™ fastener by DuraForce is the most revolutionary technological improvement to the global fastener industry in the last 85 years! The ReLok™ fastener is a self-locking nut with a tapered annulus extending from its base which works in conjunction with a corresponding compression collar, or a tapered blind hole, to form a vibration-proof fastener system. When assembled with a standard threaded bolt, compression between the tapered annular extension and the corresponding contoured cavity creates an enhanced spring which acts as a lateral force within the assembled joint that will capture, retain & deliver greater energy back to the joint to ultimately deflect shock & vibration.
ReLok™ solves assembly problems for the following applications:
By having a smoother interior, ReLok annulus slides over bolt threads and does not lock out to thread interference. The same torque that is required to install ReLok nut/collar is used to dismantle the joint. It is re-usable for multiple installations with similar vibration test results and there is no limits to bolt pre-load. ReLok consistently holds clamp load at various torque settings.
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ReLok™ delivers an improved realm of science for these reasons:
Two different studies by North Carolina State University (NSCU) department of mechanical & aerospace engineering prove the science behind ReLok™
It is commonly observed that nuts and bolts when used on vibrating structure are subjected to a phenomenon called 'vibrational loosening'. The main cause for this is the side sliding of nut or bolt head relative to the joint.
This movement causes relative motion between the threads of the nut and bolt. The self-loosening causes a reduction in the clamp force which results in joint slip. As a consequence of this, the bolt is subjected to bending loads and finally fails by fatigue.
The main reasons of relative motion are: bending of parts that causes induction of forces at the friction surface, differential thermal effects caused by temperature or material difference, applied forces on the joint can lead to shifting of the joint surfaces leading to relative motion and hence loosening.
To address this problem of self-loosening, a new mechanism is proposed where a bolt with annulus is surrounded by a collar circumferentially. When the bolt is pushed into the collar, the annulus will deflect inward while the collar would deflect outward. This way both the annulus and the collar will store energy in them. Now, when there is motion of the two surfaces being held together by the bolt and collar which might lead to loosening, the stored strain energy would help to keep the joint tight.
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