Control Spindle

This Control Spindle is a precision-machined shaft designed for motion-control assemblies, actuator mechanisms, and high-accuracy mechanical linkages. Manufactured from CRES 17-4PH (Condition H1150) per SAE-AMS5643 or ASTM A564, and compliant with BS970 S80 material standards, the spindle provides excellent strength, wear resistance, and dimensional stability. With a total length of 88 mm and a maximum body thickness of 13.9 mm, this Control Spindle is built for compact systems requiring durability and repeatable performance.

The spindle incorporates multiple stepped diameters and functional hole structures, including:

Ø6.5 mm hole with 12 mm depth

Ø2.5 mm hole with 45 mm depth

Ø2.5 mm through-hole
These features support precise fitment in control assemblies and ensure smooth interaction with bolts, pins, and mating components. All corners marked on the drawing are rounded and polished to prevent stress concentration and improve operational consistency. The design of this Control Spindle meets strict dimensional requirements for dynamic mechanisms.

All machined edges are deburred and broken to 0.23 ± 0.15 mm, ensuring safe handling and assembly. Fillet radii are maintained at 0.32 ± 0.19 mm for optimized strength distribution. Diameters located on the common axis maintain runout within 0.254 mm, while angular accuracy is held to ±0°30'. These specifications ensure that the Control Spindle maintains stable rotation, precise alignment, and consistent performance in high-cycle applications.

To enhance corrosion resistance and long-term durability, the spindle is passivated according to ASTM A967. This treatment improves the stainless steel's resistance to oxidation and environmental exposure, further ensuring the reliability of the Control Spindle in demanding industrial environments.