Title

Specification

Motor

Type

3-phase synchronous frameless torque motor

Continuous / Peak Torque

1.4 Nm / 3.0 Nm

Continuous / Peak Current

2.6 A RMS / 7.1 A RMS

Bearing

Model

OAVRL75M

Type

Air bearing, radial / axial

Bearing ID / OD / Width

75 mm / 140 mm / 50.8 mm

Housing & Side Material

7075 aircraft aluminum, mil-spec hard anodize

Porous Material

Carbon

Input Pressure

20–100 psi, clean, dry, oil-free

Pressure Port Threads

M5 × 0.8

Air Flow Rate

26 SCFH

Radial / Axial Load Capacity

555 N (125 lb) / 1157 N (260 lb)

Standard TIR

0.0002–0.0005 in (5–13 µm)

Ultra-Precision TIR

±9 µin (0.25 µm)

Axial / Radial Error Motion

1.1 µin (0.027 µm)

Lifetime

Infinite, non-contact

Encoder - Renishaw

Model

Renishaw

Type

Non-contact optical angle encoder ring

Readhead

Dual readhead configuration

Nominal External Diameter

115 mm

DO / DI Range

114.5–114.7 mm / 68 mm

Scale Pitch

20 µm

Line Count

18,000

Total Installed Accuracy

±1 arc second with dual readheads

Thermal Expansion Coefficient

15.5 ±0.5 µm/m/°C

Operating / Storage Temperature

140 lbs-in (16 N-m)