


Simkawa
FDDC Precision Ball Screw Drive System
FDDC precision ball screw drive system ensures smooth, accurate motion with high rigidity and low backlash—ideal for CNC, automation, and robotics.
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FDDC Ball Screw Drive System Features
- The FDDC series uses high-precision ball screw mechanism and optimized raceway structures to effectively reduce lead error and backlash.
- The overall module integrates the screw, guide rail and slide seat, and has good bending rigidity and impact resistance.
- The double nut preload structure or precise assembly process is configured to significantly reduce the system backlash and respond sensitively.
- The ball circulation path and lubrication structure are optimized to reduce friction and vibration, and the operation is quieter and smoother.

simkawa drive system
Specifications of FDDC Ball Screw
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Preload Level & Features
Preload level | Features |
P0 | Axial clearance, stock standard preloading accuracy |
P1 | No gap and light preload (zero gap) |
P2 | Pre-pressed assembly without clearance |
P3 | Heavy pre-pressing assembly, limited to grinding C5/C3 grade |

Factory Processing
The processing of ball screws is complex and delicate, involving multiple steps and strict quality control. Through reasonable processing technology and material selection, high-performance and high-precision ball screws can be produced to meet the needs of various industrial applications.
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