Precision hollow rotary indexing table
Maintains gapless characteristics and eliminates sliding friction.
THUM direct connection |
THUR corner |
THU Single Platform |
Platform installation
Installation method selection
1.Installation method of precision hollow rotary indexing table
Z-side installation |
D-Horizontal Installation |
U-ceiling installation |
BD-wall mount installation |
BP-wall-mounted ceiling installation |
2.Names of components of a precision hollow rotary indexing table
| |
| 1.Servo motor | |
2. ·Planetary gear reducer * Planetary gear reducer increases speed ratio according to operating conditions 3.-The input flange * The planetary reducer is connected to the rotating platform via a coupling. The coupling is selected directly based on the output end of the planetary reducer. | |
4. Hollow Rotary Platform Main Body |
Note: The standard is D-level installation. Please consult our company or distributor for other installation methods.
Mechanism characteristics of cam rollers
| needle roller bearings |
Precision Cam | |
Pre-compression state |
Preload status diagram
Zero gap, high precision
| 1.The cam profile and needle roller bearing mesh perfectly 2.The mechanism is constantly preloaded, eliminating backlash, ensuring perfect surface finishing even when the direction of rotation occurs during machining (zero backlash in both directions). | needle roller bearings Tower (output) | |
| Cam, (input) | |
| Contact to the left The two sides Contact to the right do not touch | ||
| The left and right sides are interlocked to ensure zero gap between forward and reverse rotation. |
Specifications
THU-50R-15
Performance parameters
Platform reduction ratio | 15 |
motor adapter | Servo motor + planetary |
Compatible servo motor power (KW) | 0.2/0.4 |
Permissible disk rotation speed (r/min) | <70 |
Permissible load torque (N.m) | 156 |
Permissible overturning moment (N.m) | 109 |
Permissible axial load - dynamic (N) | 3460 |
Permissible radial load - dynamic (N) | 2455 |
Moment of inertia (kg.m²) | 9.46X10 |
Indexing accuracy (arcsec) | ±15 |
Repeatability precision (arcsec) | ±5(0.0013) |
Rotary stage parallelism (mm) | ±0.005 |
Rotary stage concentricity (mm) | 土0.01 |
Service life (h) | 20000 |
Protection level | IP54 |
Weight (excluding motor) | 9.5kg |
THU-70R-20
Performance parameters
Platform reduction ratio | 20 |
motor adapter | Servo motor + planetary |
Compatible servo motor power (KW) | 0.75/1.0 |
Permissible disk rotation speed (r/min) | <50 |
Permissible load torque (N.m) | 286 |
Permissible overturning moment (N.m) | 200 |
Permissible axial load - dynamic (N) | 4020 |
Permissible radial load - dynamic (N) | 2650 |
Moment of inertia (kg.m²) | 43.73x10²* |
Indexing accuracy (arcsec) | ±20 |
Repeatability (arcsec) | ±10(0.0026℃) |
Rotary stage parallelism (mm) | ±0.005 |
Rotary stage concentricity (mm) | ±0.01 |
Service life (h) | 20000 |
Protection level | IP54 |
Weight (excluding motor) | 12kg |
THU-90R-20
Performance parameters
Platform reduction ratio | 20 |
motor adapter | Servo motor + planetary |
Compatible servo motor power (KW) | 0.75/1.0 |
Permissible disk rotation speed (r/min) | <75 |
Permissible load torque (N.m) | 954 |
Permissible overturning moment (N.m) | 668 |
Permissible axial load - dynamic (N) | 15270 |
Permissible radial load - dynamic (N) | 12435 |
Moment of inertia (kg.m²) | 195.85x10² |
Indexing accuracy (arcsec) | ±20 |
Repeatability precision (arcsec) | ±10(0.0026℃) |
Rotary stage parallelism (mm) | ±0.005 |
Rotary stage concentricity (mm) | 士0.01 |
Service life (h) | 20000 |
Protection level | IP54 |
Weight (excluding motor) | 39 kg |
THU-120R-30
Performance parameters
Platform reduction ratio | 30 |
Compatible motor | Servo motor + planetary |
Compatible servo motor power (KW) | 3.0/4.0/5.0 |
Permissible disk rotation speed (r/min) | <50 |
Permissible load torque (N.m) | 2276 |
Permissible overturning moment (N.m) | 1593 |
Permissible axial load - dynamic (N) | 25290 |
Permissible radial load - dynamic (N) | 16980 |
Moment of inertia (kg.m²) | 0.08 |
Indexing accuracy (arcsec) | ±20 |
Repeatability precision (arcsec) | ±10(0.0026℃) |
Rotary stage parallelism (mm) | ±0.005 |
Rotary stage concentricity (mm) | 士0.01 |
Service life (h) | 20000 |
Protection level | IP54 |
Weight (excluding motor) | 65kg |
THU-150R-30
Performance parameters
Platform reduction ratio | 30 |
motor adapter | Compatible servo motor power (KW) |
Compatible servo motor power (KW) | 1.0/1.5/2.0/2.5 |
Permissible disk rotation speed (r/min) | <50 |
Permissible load torque (N.m) | 2538 |
Permissible overturning moment (N.m) | 1777 |
Allowable axial load - dynamic (N) | 27690 |
Permissible radial load - dynamic (N) | 21120 |
Moment of inertia (kg.m²) | 0.24 |
Indexing accuracy (arcsec) | ±20 |
Repeatability precision (arcsec) | ±10(0.0026℃) |
Rotary stage parallelism (mm) | ±0.005 |
Rotary stage concentricity (mm) | ±0.01 |
Service life (h) | 20000 |
Protection level | IP54 |
Weight (excluding motor) | 85 kg |
THU-220R-40
Performance parameters
Platform reduction ratio | 40 |
Adapted motor | Servo motor + planetary |
Compatible servo motor power (KW) | 0.85/1.3/1.8 |
Permissible disk rotation speed (r/min) | <40 |
Permissible load torque (N.m) | 4480 |
Permissible overturning moment (N.m) | 3136 |
Permissible axial load - dynamic (N) | 56000 |
Permissible radial load - dynamic (N) | 37723 |
Moment of inertia (kg.m²) | 0.85 |
Indexing accuracy (arcsec) | ±20 |
Repeatability precision (arcsec) | ±10(0.0026℃) |
Rotary stage parallelism (mm) | ±0.005 |
Rotary stage concentricity (mm) | 士0.01 |
Service life (h) | 20000 |
Protection level | IP54 |
Weight (excluding motor) | 195 kg |
