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NACHI Bearings for Injection Molding Machines Supporting High Load Drive Screws
Hydraulic regulators have been widely used in high-load drives for injection molding machines and other equipment, but in recent years, the use of electric drives (ball screw drives) has increased year by year. TAF series is a bearing specially designed to support high-load drive screw, collected by Qingdao Ruijing Electromechanical Equipment Co., Ltd. The structure of the NACHI TAF series screw support bearing model. Example model: 25TAF06DF/GM P5 25u003dinner diameter size (mm) TAFu003dbearing form code 06u003dindicates the value of the outer diameter dimension divided by 10 (there are exceptions) DFu003dassembly code DB : Back to back assembly DF : Face-to-face assembly DT : Serial assembly GM u003d Preload class code / GM : Medium preload (standard) P5 u003d Accuracy class code P5 : Equivalent to JIS class 5 (standard) Compared with the machine tool, it has to bear high load, so the large diameter steel ball is used, the contact angle is increased, and the high axial load capacity is realized. ● The integrally formed cage ensures high precision and high strength, and can correspond to high-speed forward and reverse repeated rotation. The inner diameter of the contact angle bearing is 50 mm under 80 mm and 55 over 100 mm. Comparison of Axial Basic Dynamic Load Ratings Comparison of Axial Limit Loads The accuracy of NACHI Ball Screw Support Bearings is based on JIS class 5. Please refer to page 11 for details. The preload is based on the medium preload. Please refer to page 20. The cage is a ball-guided, polyamide resin cage as standard. Some dimensions feature brass machined cages.
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