Threads play a crucial role in maintaining the structural integrity of many components. Given the critical function they serve, it's not surprising that they sometimes need repair. Fortunately, damaged threads don't always mean you have to replace the entire part. Repairing internal threads can be simple, especially when you use the right tools. In this blog post, we introduce two professional solutions: BaerCoil® and BaerFix®—two reliable options for fixing internal thread issues.
When it comes to DIY thread repairs, it’s important to know that using household items or generic tools is not recommended. Precision and durability are key when working with threads, so it's best to rely on specialized products. With BaerCoil® and BaerFix®, repairing internal threads becomes fast, cost-effective, and easy enough for even beginners to handle.
BaerCoil® wire thread inserts are made from cold-formed wire with a diamond-shaped cross-section. This design ensures maximum strength while taking up minimal space, making them ideal for safely and efficiently repairing internal threads. These inserts come in three types: free-running, screw grip (screw-locking), and NoTang (without tang). The free-running version is available in various materials like stainless steel V2A, V4A, Inconel X750, and bronze, offering different levels of corrosion resistance and thermal performance.
The screw grip type features polygon-shaped turns that apply clamping force to the screw flanks, providing exceptional strength, especially under shock and vibration. However, this requires the use of high-strength screws. The NoTang version eliminates one installation step by not requiring a tang.
To install BaerCoil® inserts, you’ll need a twist drill bit, an STI tap, a countersink tool if needed, an installation tool, and a tang breaker. All these tools are available in convenient sets, making the process easier and more organized.
Here’s how it works:
1. Drill out the damaged thread or pre-drill the core hole.
2. Cut the receiving thread into the drilled hole.
3. Place the BaerCoil® insert on the installation tool and screw it into the thread.
4. Remove the tool, leaving the insert in place.
5. Break the tang with a tang breaker.
BaerFix® thread inserts offer a self-tapping mechanism, which means no pre-cutting is required. The threaded bush itself cuts the thread as it's inserted into the material. These inserts are available in different versions depending on the material being used, such as case-hardened steel, stainless steel, or brass with cutting slots or holes.
To install BaerFix® inserts, you'll need a twist drill, a countersink, and an installation tool. The process is straightforward and can be done manually or with a machine. For convenience, all necessary tools and inserts are available in practical sets.
The steps are simple:
1. Drill out the damaged thread or pre-drill the core hole.
2. Attach the BaerFix® insert to the installation tool.
3. Screw the insert into the hole using the tool.
4. Remove the installation tool.
When choosing between BaerCoil® and BaerFix®, consider your specific needs. BaerCoil® is a flexible solution suitable for most applications, including harder materials up to about 750 N/mm². It distributes load evenly across threads, increasing strength and durability. On the other hand, BaerFix® excels in soft or low-shear-strength materials, offering strong connections without the need for pre-cutting. However, it has limitations in very hard materials and requires more space due to its thick walls.
Both systems are user-friendly and ideal for home repairs. Whether you're dealing with general repairs or special cases, BaerCoil® and BaerFix® provide reliable solutions. You can find both systems in the BAER online shop, ready to help you restore your threads quickly and effectively.
YUKA Compressed Air Filter design in according with ISO8573.1-2010 standard. With die-casting integrated technology, housing with 15 years spanlife, internal & external anti-corrosion treatment, 100% leakage tested in three time for each air filter.With sodium borosilicate fiber glass element material which help filtration up 0.01 micron for particles dust removal, 0.001mg/m³ for oil vapor residual.
Compressed air filter type:
Coalescing Filters
Coalescing Filters are probably the most important items of purification requirements in a compressed air system,which are designed not only to filter oil vapor and water, but also to filter solid particulates to an acceptable level as small as 0.01micron in size. Usually, in the installation system, the first filter's purpose is to pre-filter, protect the highefficiency filters from bulk contamination so as to provide high quality compressed air. If the air filters worked under damp or full of water adsorption condition, it would prevent the compressed air from getting through the filter element and the air low would force the liquid to get through from the pores of the element media. Thus increase working pressure drop and reduce filtration performance.
Activated Carbon Filters
Oil vapor can easily get through the coalescing filters in a state of gaseous, so the adsorptive filter must provide large activated carbon adsorption bed. Because the damp air will reduce the adsorptive ability of the activated carbon, the adsorptive filter usually installed after the adsorptive dryer, in order to guarantee effective removal of oil vapor and peculiar odor. it's not used to remove the liquid oil or aerosols, thus poor maintenance and lack of pre-filter will accelerate its invalidation.
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