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Fast Dynamic Response Forward/Reverse Transmission High-Precision Ball Screw Pairs1
Ball Screw, Precision Ball Screw, Precision Screw Pair, Ball Screw Pair
Guizhou Aerospace Qunjian Precision Machinery Co., Ltd.
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Product Description Product Description Precision Screw PairAs a typical screw transmission, screw pair has the characteristics of mutual conversion between rotational motion and linear motion. According to the circulation mode, it is divided into internal circulation screw pair and external circulation screw pair. Internal circulation screw pair refers to a screw pair in which the ball never leaves the surface of the screw during the circulation process, and has the characteristics of compact structure, less friction loss, high transmission efficiency, good rigidity, etc.; external circulation screw pair refers to a screw pair in which the ball leaves the surface of the screw when the circulation is reversed, and has the characteristics of simple structure, good processability, and reliable operation.Ball screw transmission is to place a proper amount of balls as intermediate transmission bodies between the screw and the screw nut spiral groove, and use the return device to make the balls form a spiral motion chain that circulates repeatedly in the closed loop. The relative motion of the screw and the nut is transformed into rolling contact by the action of the ball chain. The ball screw pairs manufactured by our company have been serialized and standardized. We have built a ball screw pair design, manufacturing, assembly, and testing center with an annual production capacity of 50,000 sets, and can provide users with high-quality and efficient services.Product ParametersPRECISION BALL SCREW PAIR SPECIFICATIONProduct NameBall Screw PairKeywordsPrecision Screw PairNominal Diameter6MMLead1MMSteel Ball Diameter0.8MMNumber of Cycles3Accuracy Levelp2-p3Dynamic Load Rating600NRated Dynamic Static Load1200NDynamic Preload0-0.015N.MAxial Clearance0-0.005MMScrew MaterialGCr15Nut MaterialGCr15OEMAcceptCustom MadeSupportHIGH TRANSMISSION EFFICIENCYTraditional sliding screw transmission has large friction resistance and low transmission efficiency, generally less than 40%. However, the ball screw pair uses rolling friction instead of sliding friction, which greatly improves the transmission efficiency, generally greater than 80%, and as the lead angle increases, the transmission efficiency will also increase, theoretically up to 98%REVERSE TRANSMISSION IS POSSIBLEThe ball screw pair not only has high forward transmission efficiency but also can transmit in the reverse direction with high efficiency. It can convert rotary motion into linear motion.It can also convert linear motion into rotary motion.GOOD SYNCHRONIZATION PERFORMANCESince the friction coefficient of the ball screw pair is small, the starting friction resistance is almost the same as the movement friction resistance. Therefore, there is no vibration at startup, and no creep occurs at low speed. This not only shortens the startup time but also eliminates the slip phenomenon in sliding friction. The sensitivity and accuracy of the transmission are greatly improved, and it has the characteristics of continuous and smooth movement.HIGH TRANSMISSION ACCURACYTransmission accuracy mainly refers to positioning accuracy and repeated positioning accuracy. The ball screw with hardened thread grinding has good lead accuracy. When preloaded, the gap can be completely eliminated. If the preload force is appropriate, the rigidity of the transmission system can be improved and high positioning accuracy can be obtained without increasing the driving torque or reducing the efficiency.LONG SERVICE LIFEThe screw, nut, and ball of the ball screw pair are all hardened, and the wear caused by rolling friction is extremely small. Therefore, the ball screw pair can still maintain good accuracy after long-term use and has a long service life, which is difficult to match with the sliding friction pair.ApplicationFAQQ1: Will you make custom products according to our design drawings?A1: Yes, we are a professional manufacturer with an experienced engineering team to make custom products according to customers' drawings.Q2: Is the drawing safe after receiving it?A2: Yes, we will not release your design to any third party unless we get your permission. We can sign a confidentiality agreement before you send the drawing.Q3: What is the minimum order quantity?A3: We require samples <20 and batches >100, but the more quantity, the better the price. In addition, we are happy to make prototypes or samples for customers to ensure quality standards.Q4: Do you provide some samples?A4: Yes, it only takes some sample cost and we will return it when we go to mass production.Q5: If it is found that the received parts are not of good quality, how to deal with it?A5: Please rest assured that all our products are QC inspected and accompanied by inspection reports before delivery, and generally there will be no unqualified conditions: if there are any unqualified conditions, please contact us immediately and take photos. We will check the problem and rework or repair it the first time, and the resulting transportation costs will be borne by us.
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