FSDC Series Ball Screw Rod

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Product Information

FSDC series ball screw rods use precision machining technology to ensure high positioning accuracy and repeatability. Since balls are used as the transmission medium, the friction coefficient is low, which can effectively reduce energy loss and improve transmission efficiency.
FSDC series ball screws use high-strength materials and surface treatment technology to enhance wear resistance and extend service life.
A variety of diameters and pitches are available to meet different application requirements.

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Product Features

√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

Specification parameter of FSDC ball screw rods

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Specification parameter of FSDC ball screw rods

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°

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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