Nose Cones For Sale, Service, Or Repair
Nose Cones Position and Stabilize the Jack During Tensioning Applications
During tensioning applications, the jack must remain steady during the process. Any unregulated movement could cause damage to the tendon or create safety issues.
However, that’s easier said than done. Post-tensioning is hard work, after all, and it’s typically done in high activity areas. Stabilizing the jack while applying intense force is difficult, but with a reliable nose cone guiding your post-tensioning jack, it can be handled safely and efficiently.
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What is the Nose Cone Responsible for During Post-Tensioning?
The nose cone sits at the front of the jack and is what interfaces with the concrete slab during the tensioning process. During post-tensioning, the jack must be secured to the tendon while applying tension. To do this, the jack is placed inside the anchorage zone. Specifically, it’s placed inside the tapered hole around the live end.
The nose cone is what goes inside the hole and braces against it. While the nose cone holds the jack in place, a wedge setter guides the wedge to the strand. The wedge penetrates the metal tendon and slots into the tapered hole, providing a durable anchor for the tendon.
Although most of the tensioning force is delivered to the strand, nose cones bear a good deal of force while maintaining the jack’s position. For this reason, you’ll want a nose cone fabricated from a reputable manufacturer.
What Kinds of Nose Cones Are Available?
There isn’t a big difference between different types of nose cones. That’s because nose cones are judged by one thing—can they access the anchorage zone, or not?
With only one box to check off, nose cones generally look the same and work the same way. If there are differences between a pair of nose cones, it’s because they’re designed to access different concrete slabs.
Here’s how nose cones may differ from one another:
Length
Nose cones are available in a wide range of lengths, though the standard is a 4-inch cone. Flickinger Machine offers several more nose cone lengths, from 6-inch to 12-inch models.
Extended nose cone lengths are helpful for accessing slabs with deep insets or concave surfaces.
Shape
The vast majority of nose cones are straight, but for particularly tight spaces, there are curved nose cones that can reach around corners. Curved nose cones are often multi-segmented, so they can be extended as necessary.
Is There a Difference Between Nose Cones, Nose Pieces and Nose Bodies?
You’ll hear post-tensioning experts sometimes refer to nose cones as nose pieces or nose bodies. The terms are mostly interchangeable, but the term nose body is typically used with power seating jacks, while nose piece or nose cone is reserved for spring seating jacks. The design is slightly different between the two, as a nose body is a single piece you’d find on a power seating jack. On a spring seating jack, the nose cone and body are separate components.
Flickinger Machine Has Nose Cones For Every Post-Tensioning Job
Flickinger Machine maintains a deep inventory of nose cones, designed for an array of post-tensioning jacks. Our nose cone selection is compatible with all leading manufacturer jack models, so no matter what brand you’re comfortable with, we have a nose cone that will fit.
We Also Offer a Complete Selection of Post-Tensioning and Foundation Repair Equipment
In addition to nose cones, Flickinger Machine also maintains an inventory of mission-critical post-tensioning and foundation repair hardware. Some of our products include:
Hydraulic Cylinders
Hydraulic cylinders convert fluid motion into linear movement, so they’re ideal for lifting and pushing applications. You’ll see them often in foundation repair, where they support piering applications.
Hydraulic cylinders are subjected to sustained compressive forces, though, so look for a cylinder with improved durability. That means a cylinder engineered from steel and finished with chrome components that resist corrosion.
Post-tensioning jacks are responsible for applying tension forces to tendons, so they’re the muscle behind strengthened concrete. Post-tensioning jacks are available in many models and offer an array of features. For instance, post-tensioning jacks can be spring-seated or power-seated, single-stroke or double-stroke, or designed for a single strand or multiple strands at once.
If you’re in the market for a post-tensioning jack, choosing one that’s lightweight and easily handled is important, as post-tensioning is frequently executed from elevated heights.
Whether you’re looking for a single nose cone or enough post-tensioning equipment to outfit an entire crew, our team can help select, source, and maintain your equipment.