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  Precision and efficiency for advanced CNC machining, achieving zero backlash.
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  The TJR Worm Gear Rotary Table is made for CNC 4th-axis machining with rigidity and accurate rotary positioning.
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  Precision worm gear drive meets the drive torque motor, built for tough CNC 4th axis.
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  Hirth coupling technology for CNC indexing, superior rigidity and repeatable rotary positioning.
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TJR Worm Gear Rotary Table - AR Ø255

Smooth seamless transmission with high reduction ratios for precision loads.

AR-255RH

AR-255RH Product Specifications

AR-255RH Product Specifications
Item	Data
Application	Vertical and Horizontal
Installation Mode	Add-on
Table diameter(mm)	Ø255
Inner diameter of mandrel sleeve(mm)	Ø80H7
Diameter of center through hole(mm)	Ø80
Center height (Vertical)(mm)	160
Table height (Horizontal)(mm)	200
Table T-slot width(mm)	12H7
Guide block width(mm)	18h7
Transmission Mechanisms	Worm and Worm Gear
Min. increment(deg.)	0.001
Indexing precision(sec.)	15
Repeatability(sec.)	6
Clamping system (MPa / kg/cm²)	Pneumatic (0.6 / 6)
Clamping torque(N.m / kgf · m)	687 / 70
Servo motor model(FANUC)(Straight shaft without key)	αiF8 / βis12
Servo motor model(MITSUBISHI) (Straight shaft without key)	HG - 154
Speed reduction ratio	1 / 120
Max. rotation rate of table(min-1)	33.3
Allowable inertia load capacity (vertical)(kg-m²)	1.2
Allowable workpiece load (Vertical)(kg)	100
Allowable workpiece load (with support table)(kg)	250
Allowable workpiece load (Horizontal)(kg)	250
Allowable thrust load (with rotary table clamping) F (N / kgf)	19620 / 2000
(Axial)＊1 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	1472 / 150
(Radial)＊2 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	687 / 70
Driving torque(N.m / kgf·m)	540 / 55
Net weight ( sever motor excluded)(kg)	118
＊1	If a mechanical brake is not used, this value will correspond to the motor's holding torque.
＊2	The structural limit value, while the actual operating speed will vary depending on the motor.

AR-255HN Product Specifications

AR-255HN Product Specifications
Item	Data
Application	Vertical and Horizontal
Installation Mode	Add-on
Table diameter(mm)	Ø255
Inner diameter of mandrel sleeve(mm)	Ø80H7
Diameter of center through hole(mm)	Ø80
Center height (Vertical)(mm)	160
Table T-slot width(mm)	12H7
Guide block width(mm)	18h7
Transmission Mechanisms	Worm and Worm Gear
Min. increment(deg.)	0.001
Indexing precision(sec.)	15
Repeatability(sec.)	6
Clamping system (MPa / kg/cm²)	Pneumatic (0.6 / 6)
Clamping torque(N.m / kgf · m)	687 / 70
Servo motor model(FANUC)(Straight shaft without key)	αiF8 / βis12
Servo motor model(MITSUBISHI) (Straight shaft without key)	HG - 154
Speed reduction ratio	1 / 120
Max. rotation rate of table(min-1)	33.3
Allowable inertia load capacity (vertical)(kg-m²)	1.2
Allowable workpiece load (Vertical)(kg)	100
Allowable workpiece load (with support table)(kg)	250
Allowable thrust load (with rotary table clamping) F (N / kgf)	19620 / 2000
(Axial)＊1 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	1472 / 150
(Radial)＊2 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	687 / 70
Driving torque(N.m / kgf·m)	540 / 55
Net weight ( sever motor excluded)(kg)	118
＊1	If a mechanical brake is not used, this value will correspond to the motor's holding torque.
＊2	The structural limit value, while the actual operating speed will vary depending on the motor.

HR-255R Product Specifications

HR-255R Product Specifications
Item	Data
Application	Vertical or Horizontal
Installation Mode	Add-on
Table diameter(mm)	Ø255
Inner diameter of mandrel sleeve(mm)	Ø80H7
Diameter of center through hole(mm)	Ø80
Center height (Vertical)(mm)	160
Table height (Horizontal)(mm)	200
Table T-slot width(mm)	12H7
Guide block width(mm)	18h7
Transmission Mechanisms	Worm and Worm Gear
Min. increment(deg.)	0.001
Indexing precision(sec.)	15
Repeatability(sec.)	6
Clamping system (MPa / kg/cm²)	Hydraulic (3.5 / 35)
Clamping torque(N.m / kgf · m)	687 / 70
Servo motor model(FANUC)(Straight shaft without key)	αiF8 / βis12
Servo motor model(MITSUBISHI) (Straight shaft without key)	HG - 154
Speed reduction ratio	1:120
Max. rotation rate of table(min-1)	33.3
Allowable inertia load capacity (vertical)(kg-m²)	1.2
Allowable workpiece load (Vertical)(kg)	100
Allowable workpiece load (with support table)(kg)	250
Allowable workpiece load (Horizontal)(kg)	250
Allowable thrust load (with rotary table clamping) F (N / kgf)	19620 / 2000
(Axial)＊1 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	1472 / 150
(Radial)＊2 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	687 / 70
Driving torque(N.m / kgf·m)	540 / 55
Net weight ( sever motor excluded)(kg)	109
＊1	If a mechanical brake is not used, this value will correspond to the motor's holding torque.
＊2	The structural limit value, while the actual operating speed will vary depending on the motor.

HR-255G Product Specifications

HR-255G Product Specifications
Item	Data
Application	Vertical or Horizontal
Installation Mode	Add-on
Table diameter(mm)	Ø255
Inner diameter of mandrel sleeve(mm)	Ø80H7
Diameter of center through hole(mm)	Ø80
Center height (Vertical)(mm)	190
Table height (Horizontal)(mm)	200
Table T-slot width(mm)	12H7
Guide block width(mm)	18h7
Transmission Mechanisms	Worm and Worm Gear
Min. increment(deg.)	0.001
Indexing precision(sec.)	15
Repeatability(sec.)	6
Clamping system (MPa / kg/cm²)	Hydraulic (3.5 / 35)
Clamping torque(N.m / kgf · m)	687 / 70
Servo motor model(FANUC)(Straight shaft without key)	αiF8 / βis12
Servo motor model(MITSUBISHI) (Straight shaft without key)	HG - 154
Speed reduction ratio	1:120
Max. rotation rate of table(min-1)	33.3
Allowable inertia load capacity (vertical)(kg-m²)	1.2
Allowable workpiece load (Vertical)(kg)	100
Allowable workpiece load (with support table)(kg)	250
Allowable workpiece load (Horizontal)(kg)	250
Allowable thrust load (with rotary table clamping) F (N / kgf)	19620 / 2000
(Axial)＊1 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	1472 / 150
(Radial)＊2 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	687 / 70
Driving torque(N.m / kgf·m)	540 / 55
Net weight ( sever motor excluded)(kg)	115
＊1	If a mechanical brake is not used, this value will correspond to the motor's holding torque.
＊2	The structural limit value, while the actual operating speed will vary depending on the motor.

HR-255N Product Specifications

HR-255N Product Specifications
Item	Data
Application	Vertical or Horizontal
Installation Mode	Add-on
Table diameter(mm)	Ø255
Inner diameter of mandrel sleeve(mm)	Ø80H7
Diameter of center through hole(mm)	Ø80
Center height (Vertical)(mm)	160
Table T-slot width(mm)	12H7
Guide block width(mm)	18h7
Transmission Mechanisms	Worm and Worm Gear
Min. increment(deg.)	0.001
Indexing precision(sec.)	15
Repeatability(sec.)	6
Clamping system (MPa / kg/cm²)	Hydraulic (3.5 / 35)
Clamping torque(N.m / kgf · m)	687 / 70
Servo motor model(FANUC)(Straight shaft without key)	αiF8 / βis12
Servo motor model(MITSUBISHI) (Straight shaft without key)	HG - 154
Speed reduction ratio	1:120
Max. rotation rate of table(min-1)	33.3
Allowable inertia load capacity (vertical)(kg-m²)	1.2
Allowable workpiece load (Vertical)(kg)	100
Allowable workpiece load (with support table)(kg)	250
Allowable thrust load (with rotary table clamping) F (N / kgf)	19620 / 2000
(Axial)＊1 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	1472 / 150
(Radial)＊2 Allowable thrust load (with rotary table clamping) FxL (N.m / kgf·m)	687 / 70
Driving torque(N.m / kgf·m)	540 / 55
Net weight ( sever motor excluded)(kg)	109
＊1	If a mechanical brake is not used, this value will correspond to the motor's holding torque.
＊2	The structural limit value, while the actual operating speed will vary depending on the motor.

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TJR Worm Gear Rotary Table - AR Ø255

AR-255RH

Product Dimension

AR-255RH Product Specifications

Product Dimension

AR-255HN Product Specifications

Product Dimension

HR-255R Product Specifications

Product Dimension

HR-255G Product Specifications

Product Dimension

HR-255N Product Specifications

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Download Digital Product Catalogue

Built on Innovation and engineered for Excellence.

4th Axis Rotary Table

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