√High precision, FSDC series ball screw rod adopts precision machining technology
√Low friction, using balls as transmission medium, effectively reducing energy loss
√High load capacity, designed to withstand large axial and radial loads
√Strong wear resistance, using high-strength materials and surface treatment technology
√Provide a variety of diameters and pitches
√Easy to install, reasonable design
√Low noise, smooth operation, suitable for environments with strict noise requirements
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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.
Material | Grinding Grade | Rolling Grade | Heat Treatment Method |
Screw | 50CrMo4 | S55C | High frequency quenching HRC58~62° |
Nut | SCM420H | SCM420H | Carburizing treatment HRC58~62° |
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 apply braking force through electromagnetic force, usually automatically when the motor stops, ensuring that the screw remains in the current position.
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.