TJR Worm Gear Rotary Table - AR Ø255

Smooth seamless transmission with high reduction ratios for precision loads.

TJR CNC Rotary Table Product Details And Specifications

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.

Frequently Asked Questions

What is the AR-255RH rotary table?

The AR-255RH is a worm gear rotary table used for CNC machining. It has a 255 mm table diameter and helps rotate and position workpieces accurately.

What is the AR-255RH used for?

The AR-255RH is used for milling, drilling, indexing, and other CNC machining. It helps position the workpiece at the required angle.

Can the AR-255RH be used vertically and horizontally?

Yes. The AR-255RH can be used in both vertical and horizontal positions. This makes it suitable for different CNC machine setups.

What is the table diameter of the AR-255RH?

The AR-255RH has a 255 mm table diameter. It also has an 80 mm center through hole.

How accurate is the AR-255RH?

The AR-255RH has an indexing accuracy of 15 seconds and a repeatability of 6 seconds. The smallest indexing step is 0.001°.

What type of drive does the AR-255RH use?

The AR-255RH uses a worm gear drive with a 1:120 reduction ratio. This helps the table move smoothly and accurately.

What is the maximum speed of the AR-255RH?

The maximum rotation speed is 33.3 rpm. The working speed can change depending on the CNC machine and servo motor.

How much weight can the AR-255RH handle?

The AR-255RH can handle up to 100 kg when used vertically. With a support table, the load can reach 250 kg.

Does the AR-255RH have pneumatic clamping?

Yes. The AR-255RH has a pneumatic clamping system. It works at 0.6 MPa and provides clamping torque of up to 687 N·m.

Which servo motors can be used with the AR-255RH?

The AR-255RH is available with FANUC and Mitsubishi servo motor options. The motor choice depends on the CNC machine being used.

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.

Frequently Asked Questions

What is the AR-255HN rotary table?

The AR-255HN is a worm gear rotary table used with CNC machines. It helps rotate and position the workpiece during machining.

What is the size of the AR-255HN table?

The AR-255HN has a 255 mm table diameter and an 80 mm center hole.

Can the AR-255HN be used horizontally and vertically?

Yes. The AR-255HN can be installed in both horizontal and vertical positions.

What type of gear does the AR-255HN use?

The AR-255HN uses a worm gear system for smooth and accurate rotary movement.

How accurate is the AR-255HN?

The AR-255HN provides accurate indexing with 15-second indexing accuracy and 6-second repeatability.

How much weight can the AR-255HN handle?

The table can handle up to 100 kg in vertical use. With a support table, it can handle up to 250 kg.

What is the maximum speed of the AR-255HN?

The maximum rotation speed is 33.3 rpm.

What clamping system does the AR-255HN use?

The AR-255HN uses pneumatic clamping to hold the workpiece securely during machining.

Which servo motors can be used with the AR-255HN?

The AR-255HN is available with compatible FANUC and Mitsubishi servo motor options. The right motor depends on your CNC machine.

Where is the AR-255HN used?

The AR-255HN is used for CNC machining, rotary positioning, indexing, and 4th-axis applications.

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.

Frequently Asked Questions

What is the HR-255R rotary table?

The HR-255R is a CNC worm gear rotary table used for 4th-axis machining. It helps rotate the workpiece accurately during CNC machining.

What is the table size of the HR-255R?

The HR-255R has a table diameter of 255 mm. It also has an 80 mm center through hole.

Can the HR-255R be used vertically and horizontally?

Yes. The HR-255R can be installed in both vertical and horizontal positions, depending on the CNC machine and machining needs.

What type of drive does the HR-255R use?

The HR-255R uses a worm gear drive. This system provides smooth and stable rotary movement during machining.

What is the minimum indexing angle of the HR-255R?

The HR-255R has a minimum indexing angle of 0.001°. This allows for precise positioning of the workpiece.

What is the maximum speed of the HR-255R?

The maximum rotation speed of the HR-255R is 33.3 rpm.

How much weight can the HR-255R handle?

The HR-255R can handle up to 100 kg in vertical use. With a support table, the load capacity can reach 250 kg.

What type of clamping does the HR-255R use?

The HR-255R uses hydraulic clamping. It helps keep the workpiece stable during machining.

What is the HR-255R used for?

The HR-255R is used for CNC machining applications that need accurate rotary positioning. It is commonly used as a 4th-axis rotary table.

Why choose the HR-255R rotary table?

The HR-255R offers accurate positioning, stable worm gear movement, hydraulic clamping, and flexible vertical or horizontal installation. It is a suitable option for many CNC 4th-axis machining applications.

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.

Frequently Asked Questions

What is the HR-255G rotary table?

The HR-255G is a CNC worm gear rotary table used for 4th-axis machining. It helps rotate the workpiece accurately during CNC machining.

What is the table diameter of the HR-255G?

The HR-255G has a table diameter of 255 mm. It also has an 80 mm center through hole.

Can the HR-255G be used vertically and horizontally?

Yes. The HR-255G can be installed in both vertical and horizontal positions, depending on the CNC machine and application.

What type of drive does the HR-255G use?

The HR-255G uses a worm and worm gear drive. It provides smooth and stable movement for rotary machining.

What is the minimum indexing angle of the HR-255G?

The HR-255G has a minimum increment of 0.001°. This allows the workpiece to be positioned accurately.

What is the maximum speed of the HR-255G?

The maximum rotation speed of the HR-255G is 33.3 rpm.

How much weight can the HR-255G handle?

The HR-255G can handle up to 100 kg in vertical use. With a support table, it can handle up to 250 kg. The horizontal load capacity is also 250 kg.

What type of clamping system does the HR-255G use?

The HR-255G uses hydraulic clamping. It helps hold the rotary table firmly during machining.

What is the HR-255G used for?

The HR-255G is used for CNC machining applications that need accurate rotary positioning. It is suitable for 4th-axis machining.

Why choose the HR-255G rotary table?

The HR-255G offers accurate positioning, hydraulic clamping, worm gear transmission, and vertical or horizontal installation. It is a practical choice for CNC rotary machining.

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.

Frequently Asked Questions

What is the HR-255N rotary table?

The HR-255N is a CNC worm gear rotary table used for 4th-axis machining. It helps rotate the workpiece accurately during CNC machining.

What is the table diameter of the HR-255N?

The HR-255N has a table diameter of 255 mm. It also has an 80 mm center through hole.

Can the HR-255N be used vertically and horizontally?

Yes. The HR-255N can be installed in both vertical and horizontal positions, depending on the CNC machine and application.

What type of drive does the HR-255N use?

The HR-255N uses a worm and worm gear drive. It provides smooth and stable rotary movement during machining.

What is the minimum indexing angle of the HR-255N?

The HR-255N has a minimum increment of 0.001°. This helps position the workpiece accurately.

What is the maximum speed of the HR-255N?

The maximum rotation speed of the HR-255N is 33.3 rpm.

How much weight can the HR-255N handle?

The HR-255N can handle up to 100 kg in vertical use. With a support table, it can handle up to 250 kg.

What type of clamping system does the HR-255N use?

The HR-255N uses hydraulic clamping. It helps keep the rotary table firmly in position during machining.

What is the HR-255N used for?

The HR-255N is used for CNC machining applications that need accurate rotary positioning. It is suitable for 4th-axis machining.

Why choose the HR-255N rotary table?

The HR-255N offers accurate positioning, worm gear transmission, hydraulic clamping, and flexible vertical or horizontal installation. It is a practical choice for CNC machining applications that need an additional rotary axis.

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TJR Worm Gear Rotary Table - AR Ø255

AR-255RH

Product Dimension

AR-255RH Product Specifications

Frequently Asked Questions

Product Dimension

AR-255HN Product Specifications

Frequently Asked Questions

Product Dimension

HR-255R Product Specifications

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Product Dimension

HR-255G Product Specifications

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Product Dimension

HR-255N Product Specifications

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