Air Spindle

SPM27H Type

Air spindle for the disk precision rotation of the disk inspection device

SPM27H Type


  • Compact, lightweight, and high speed.
  • Class 10 (0.1μm) cleanness.
  • Vacuum contact structure at the center of bearing allows for installing workpiece such as disk.


SPM27H Type Dimensions


Type SPM27H
Air supply pressure 0.4MPa(G)
Maximum rotation speed 20,000r/min
Rotation speed change*1 0.001% and below
(Encoder Z phase jitter)
Non-repeatable run-out
(NRRO) accuracy
Radial 0.01μm and below
Axial 0.01μm and below
Repeatable run-out
(TIR) accuracy
Radial 2μm and below
Axial 1μm and below
Rigidity Radial 7N/μm and above
Axial 30N/μm and above
Load capacity Radial 26N and above
Axial 90N and above
Air mass consumption 10Nl/min and below
Motor capacity 65W
(at 20,000r/min)
Cleanness Class 10 (0.1μm)
Unbalance force 0.05gmm and below
Mass 2.0kg
  • When our Non-Switching Driver NS20-A is applied.
  • Specifications and dimensions are subject to change without notice.

Catalog Download

Air Spindle SPM27H Type[PDF/295KB]


ShinMaywa Industries, Ltd.
Automatic Machinery Group, Wire Processing Systems Department
1-1 Shinmeiwa-cho, Takarazuka-shi, Hyogo 665-0052  Japan
Phone: +81-798-54-1834