Product Features
√Rolling pairs are used, which have low friction and high precision during transmission
√High axial and radial stiffness, strong anti-deformation ability
√Transmission efficiency of more than 90%, high energy efficiency
√The bearing balls and guide rails of the ball screw have low wear during sliding and long service life
√The bearing balls roll freely and the noise is low
Specification parameter of FSDC ball screw rods
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Accuracy level
According to GB/T17587.3-1998 (same as ISO 3408-3:1992) standard: the accuracy of ball screw pair is divided into seven levels, 1~7, with level 1 being the highest.
Ball screw rod material
| Material | Grinding Grade | Rolling Grade | Heat Treatment Method |
| Screw | 50CrMo4 | S55C | High frequency quenching HRC58~62° |
| Nut | SCM420H | SCM420H | Carburizing treatment HRC58~62° |
FSDC Ball screw factory standard configuration
Dust seal
Grease nozzle
Oil pipe joint
Braking device
Since ball screws do not have a self-locking function, especially when installed vertically, a brake device must be set to prevent the load from sliding down. Common brake devices include
- Electromagnetic brakes:
Electromagnetic brakes apply braking force through electromagnetic force, usually automatically when the motor stops, ensuring that the screw remains in the current position.
- One-way overrunning clutch:
The one-way overrunning clutch allows the screw to rotate freely in one direction and locks in the opposite direction to prevent the screw from reversing.
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