CBN abrasive is mainly used for steel parts, such as high speed steel, die steel, 45 steel, etc., can be made into electroplating CBN, resin CBN, sintered CBN. Can be made into grinding wheel, cutting pieces, grinding head. Abrasive sharp, high temperature resistance, good thermal stability, wear resistance. The hardness of CBN is higher than that of ordinary abrasives and the ability to maintain shape is one of the main characteristics of high performance abrasives. CBN is very resistant to pressure. CBN has good thermal conductivity and can achieve cold cutting during grinding.
strong wear resistance, long life
The grinding ratio of CBN wheel can reach 3500-5500, which is 100 times higher than that of ordinary corundum wheel and 3-5 times higher than that of diamond wheel.
environmental protection, no pollution, energy saving and consumption reduction
No too much powder dust.
High work efficiency and good comprehensive economic benefits
The grinding is sharp, the grinding force is small, the dressing cycle of CBN wheel is long, the dressing amount is less, and the replacement time is long. Long service cycle, high grinding ratio, can obtain better economy, good shape retention in use, do not need to change and trim grinding wheel often, save working hours, improve working conditions, is conducive to machining operation.
Cubic boron nitride is not suitable for grinding hard metals and non-metallic materials. At high grinding temperature, CBN will react with alkaline aqueous solution. CBN grinding wheel will decompose in alkaline solution at 300℃, and can decompose in trace amount in boiling water, which will destroy the crystal shape of grinding grains. Therefore, oily coolant should be used instead of water-based coolant during grinding.
Cbn Cutting Discs,Flap Disc,Grinding Disc,Cbn Cutting Blade Henan Jinlun Superhard Material Co., Ltd , https://www.jinlunsuperhard.com
How to use 41% glyphosate isopropylamine saline to improve efficacy
The 41% glyphosate isopropylamine salt solution is a powerful, broad-spectrum systemic herbicide that is highly effective in controlling both annual and perennial weeds. Once applied, it is absorbed through the green parts of the plant and then translocated throughout the entire plant, disrupting photosynthesis and ultimately leading to the death of the weed. This product is especially effective against monocotyledonous weeds and has a strong impact on the underground structures of deep-rooted perennial weeds. To achieve optimal results, it’s important to follow best practices as outlined by the China Pesticide Network.
Although this herbicide is a commonly used product, there are several key factors that can significantly improve its performance. First, the choice of nozzle plays an important role in application efficiency. Using a nozzle with a smaller aperture, such as 0.8mm, allows for a finer mist, which enhances absorption by the weeds. Compared to the standard 1.0mm nozzle, this can lead to better coverage and effectiveness. However, care must be taken to avoid drift, especially when applying in windy conditions, to prevent damage to nearby crops.
Second, timing of application is crucial. It's best to apply the herbicide after rain, during the late afternoon on sunny days, or on cloudy days. At these times, the air and soil temperatures are favorable, and high humidity promotes faster growth and metabolic activity in weeds, making them more susceptible to the herbicide. Avoid applying during dry periods, just before rain, or under intense sunlight, as this can reduce effectiveness.
Third, for perennial weeds, the most effective time to spray is during their mid to late growth stages. In the early stages, the plant channels nutrients from the roots upward, but in the later stages, the leaves become more efficient at photosynthesis, and nutrients are transported downward. Applying the herbicide at this point ensures that the maximum amount of glyphosate is absorbed and transported to the roots, leading to better control of both the above-ground and underground parts of the weed.
Fourth, water volume and concentration matter. Recent studies have shown that using high-concentration spraying techniques—applying about 15 kg of water per acre with approximately 200 g of 41% glyphosate isopropylamine salt—can result in better performance than traditional methods. It’s important to adjust the amount based on the type of weed: more water for dense vegetation, less for sparse areas. Spraying only the foliage may not be as effective as targeting the stems and leaves directly.
Lastly, adding ammonium sulfate can enhance the performance of the herbicide. It is recommended to add 0.5 kg of ammonium sulfate per 15 kg of water. However, avoid using ammonium bicarbonate or urea, as they can interfere with the herbicide’s effectiveness. Always follow the manufacturer’s guidelines and safety precautions when handling any pesticide.
By following these practical tips, farmers and gardeners can maximize the efficacy of 41% glyphosate isopropylamine salt solution while minimizing environmental impact and crop damage.