Model | Unit | AR-320 | |
---|---|---|---|
TABLE DIAMETER | Ømm | 320 | |
CENTER HEIGHT | mm | 210 | |
SPINDLE HOLE | Ømm | Ø75H7 / Ø70 |
|
T SLOT WIDTH | mm | 14H7 | |
GUIDE KEY WIDTH | mm | 18H7 | |
SERVO MOTOR | FANACU | α12iF | |
MITSUBISHI | HF(HG)204S | ||
SIEMENS | 1FK7083 | ||
HEIDENHAIN | QSY-155B | ||
TOTAL SPEED REDUCTION RATIO | 60 | ||
MAX. ROTATION SPEED (3,000 rpm) |
rpm | 50 | |
RESOURCE (PNEUMATIC) | kgf/cm² | 30 | |
OUTPUT BRAKING TORQUE | kg/m | 150 | |
INDEXING ACCURACY | sec | 20 | |
REPEATABILITY | sec | 4 | |
MIN. INCREMENT | 0.001° | 0.001° | |
ALLOWABLE WORK WEIGHT | VERTICAL | kg | 150 |
HORIZONTAL | kg | 350 | |
ALLOWABLE LOAD (WHEN TABLE IS CLAMPED) |
kgf | 2000 | |
Fxl kgf-m |
260 | ||
Fxl kgf-m |
200 | ||
ALLOWABLE WORK INERTIA | kg/cm² | 3.7 | |
WEIGHT | kg | 168 |
TYPE | HYDEX ROLLER CAM | WORM / WORM GEAR | DIRECT – DRIVE TORQUE MOTOR |
Engaging Parts Material and Hardness | Cam Shaft: Carburized Steel, HRC 58°~60° | Worm: Carburized Steel, HRC60 | Direct Drive by Motor |
Cam Follower: Bearing Steel, HRC 58°~60° | Worm Gear: Phosphor Bronze, HB90 | ||
Contact Type | Rolling Contact | Sliding Contact | - |
Backlash | Nearly Zero-backlash (Within 5 arc - sec) | Backlash Required | - |
Table Surface Accuracy Repeatability | Good | Low | Good |
Engaging Parts Preload | Required | Not Available | Without |
Transmission Efficiency | High | Low | High |
Indexing Accuracy | Within 20 arc-sec | 15 ~ 20 arc-sec | Within 30 arc-sec |
Thermal Growth | Low (Slightly higher than normal Temperature) | High | Low |
High Speed | Good | Poor | Good |
Dynamic Cutting Rigidity | High | Low | Low |
Durability | Good | Poor | Moderate |
Backlash Adjustment | No Need | Required | - |
RADIAL AND AXIAL BEARING LAYOUT
AR-135 / AR-160 / AR-200
FIGURE OF ROLLER AND CAM ENGAGEMENT
交叉滾子軸承
AR-250 / AR-320 / AR-500