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The rotary ball screw is an extremely innovative nut-rotating ball screw device. It cleverly integrates the nut and the support bearing and is divided into two types: precision ball screw and rolling ball screw. The precision ball screw, with its extremely high precision, is suitable for scenarios with extremely strict requirements for motion control, such as the transmission of high-end precision instruments. The rolling ball screw has good load-bearing capacity and stability and performs outstandingly in industrial automation equipment. This innovative device reduces installation space and improves the compactness and reliability of the system, providing strong support for the efficient operation of various mechanical equipment.
model | Outer diameter of screw shaft | Groove diameter | Lead the way | Center diameter of steel ball | Basic rated load | external diameter | Flange diameter | overall length | |
Ca | C0a | ||||||||
BLR 1616-3.6 | 16 | 13.7 | 16 | 16.65 | 5.8 | 12.9 | 52 | 68 | 43.5 |
BLR 2020-3.6 | 20 | 17.5 | 20 | 20.75 | 7.7 | 22.3 | 62 | 78 | 54 |
BLR 2525-3.6 | 25 | 22 | 25 | 26 | 12.1 | 35 | 72 | 92 | 65 |
BLR 3232-3.6 | 32 | 28.3 | 32 | 33.25 | 17.3 | 53.9 | 80 | 105 | 80 |
BLR 3636-3.6 | 36 | 31.7 | 36 | 37.4 | 22.4 | 70.5 | 100 | 130 | 93 |
BLR 4040-3.6 | 40 | 35.2 | 40 | 41.75 | 28.1 | 89.8 | 110 | 140 | 98 |
BLR 5050-3.6 | 50 | 44.1 | 50 | 52.2 | 42.1 | 140.4 | 120 | 156 | 126 |
The rotary ball screw is widely used in multiple important fields. In automated machinery, it provides key support for the precise linear movement of equipment, ensuring the efficiency and accuracy of the production process. In the field of precision instruments, extremely high precision is required for motion control. The rotary ball screw meets this demand with its excellent performance, ensuring the accurate measurement and reliable operation of instruments. In industrial robotics, this device helps robots achieve precise linear movements, enabling them to complete various difficult tasks in complex working environments. In short, the rotary ball screw plays an irreplaceable and important role in these fields.
High axial rigidity: The contact angle of the support bearing is 60°, and the number of steel balls is increased, making it an angular contact bearing with high axial rigidity.
Smooth motion: Compared with linear motion devices that utilize racks and pinion gears, it can achieve smooth and fluid motion. When driven by the nut, the screw shaft does not rotate, so there is no jumping phenomenon, with low noise and less heat generation.
Low noise at high speed: The use of end caps makes the sound of steel balls being sucked into the nut extremely low. Moreover, the steel balls circulate inside the nut, resulting in very low noise even during high-speed operation.
High rigidity: The support bearing is larger than the support bearing when the screw shaft rotates, significantly improving axial rigidity.
Miniaturization: The integrated structure of the nut and support bearing realizes high precision and compact design.
Easy installation: Simply install the bolt on the support base to obtain the nut rotation mechanism. It is recommended to use H7 for the inner diameter tolerance of the support seat.
Ball screw BLR type large lead nut rotary rolling ball screw is packaged and shipped in a cardboard box that is designed to keep the product safe and secure during transit. The box has a custom-sized insert to fit the product securely, and is sealed with tape. Inside the box, the product is wrapped in bubble wrap and foam padding to provide additional cushioning and protection. A packing slip and any promotional materials are included in the package.The package is then shipped via a reliable carrier such as UPS or FedEx. Tracking information is provided to the customer to follow the package's progress. Delivery time will vary depending on the chosen shipping method and destination.
The package is then shipped via a reliable carrier such as UPS or FedEx. Tracking information is provided to the customer to follow the package's progress. Delivery time will vary depending on the chosen shipping method and destination.