Hollow Rotary Platforms/Rotary Motion/

Large Aperture Hollow Rotary Tables

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Large aperture hollow rotary tables are specifically designed to accommodate larger-sized workpieces or provide access to the inside of the table. Large Aperture Hollow Rotary Tables from TallMan Robotics Limited have series as follows:

Using a large aperture hollow rotary table offers several advantages over other types of rotary tables. Here are some of the benefits:

1. Ability to handle large workpieces: The large aperture allows for the processing of larger-sized components, enabling you to work with bigger and more complex workpieces.
2. Access to the inside of the workpiece: The hollow design provides access to the interior of the workpiece, which is useful in applications where internal machining or inspection is required.
3. Greater flexibility and versatility: With a large aperture, you have more options in terms of workpiece positioning and clamping, allowing for greater creativity and adaptability in your machining processes.
4. Improved accessibility and visibility: The increased space inside the rotary table makes it easier to access and view the workpiece, facilitating better monitoring and manipulation.
5. Reduced weight and material savings: Compared to solid rotary tables, a hollow design can result in weight reduction and material savings, making the table more manageable and cost-effective.
6. Better heat dissipation: The hollow structure can facilitate heat dissipation, which is beneficial in high-temperature or heavy-duty applications.
7. Compatibility with custom fixtures and tools: The large aperture enables the use of custom fixtures or tools inside the table, expanding the possibilities for specialized machining setups.
8. Enhanced productivity and efficiency: By accommodating larger workpieces and offering greater access, a large aperture hollow rotary table can potentially increase productivity and streamline manufacturing processes.
The specific advantages may vary depending on the nature of your application and the specific features and capabilities of the rotary table. It’s important to evaluate your specific needs and requirements to determine if a large aperture hollow rotary table is the best choice for your operations. Consulting with experts in the field or manufacturers can provide valuable insights and help you make an informed decision.

 

Model Selection code of Large Aperture Hollow Rotary Tables:

Technical parameters of Large Aperture Hollow Rotary Tables:

Series

Large Aperture Hollow Rotary Table

Model

TMN60

TMN85

TMN130

TMN200

TMN280

Photo

Hollow rotary tableMotion StageMotion StagesHollow rotary platformHollow rotary platforms

Reduction Ratio

5,10

5, 10,15,18

10, 18

10, 18

10

Repeated Accuracy

≤5 arcsec

≤5 arc-sec,

≤5 arc-sec,

≤5 arc-sec,

≤5 arc-sec,

Matched Motor

100W Servo

Stepper motor

100W,400W Servo

Stepper Motor

400W Servo

Stepper Motor

750W Servo

Stepper Motor

1000/1500W Servo

Stepper Motor

Hollow Aperture

28mm

33mm

62mm

100mm

150mm

Rated Output Torque

5/4 N.m

40/35/18 N.m

55/35 N.m,

90/60 N.m,

135 N.m

Series

TMN60-L-20/25/30

TMN85-L-20/25/30

TMN130-L-30

TMN200-L-30

TMN280-L-30

Photo (L)

Hollow rotary tables

Large Aperture Hollow Rotary Tables - Hollow Rotary Platforms - 8

Hollow rotary actuator

Hollow rotary actuators

Precisionm Hollow rotary Actuators

Reduction Ratio

15/20/25/30/35/50

15/20/25/30/35/50

15/20/25/30/35/50

15/20/25/30/35/50

15/20/25/30/35/50

Repeated Accuracy

≤5 arc-sec

≤5 arc-sec,

≤5 arc-sec,

≤5 arc-sec,

≤5 arc-sec,

Matched Motor

50/100W servo motor

50/100W servo motor

200/400W servo

750W Servo

1000/1500W Servo

Rated Output Torque

5

5

55

90

135

Control Method

PLC control indexing angle and speed

Indexing Angle

Any Angle

Servo Motor

Protocol Support Options: PT Mode Pulse Input, PR Mode, RS-485, Analog Voltage Control, CANopen, DMCNET, EtherCAT

Encoder Type Options: Absolute Magnetic Optical Encoder, Incremental Magnetic Optical Encoder, Absolute Magnetic Encoder, Incremental Magnetic Encoder

Stepper Motor

Open Loop Stepper Motor, Closed Loop Stepper Motor / Step Servo Motor (Encoder)NEMA17, NEMA23, NEMA34

Control Mode Options: CANOpen, EtherCAT, EtherNet/IP, Modbus RTU, Modebus TCP, Q Program, SCL, eSCL, Pulse Control, Speed Mode, Analog Control, Torque Mode.

Communication Port Options: CANOpen, EtherCAT, EtherNet/IP, EtherNet, RS-232, RS-485, USB Mini

Driver and Cable

Driver and cable provided if Motor provided by Tallman Robotics Limited

Dial Plate / Turntable

Provided if needed.(Drawing provided by clients)

Sensor

Photoelectric sensor, bracket, sensor plate provided NPN, PNP options

Large Aperture Hollow Rotary Tables - Hollow Rotary Platforms - 12

Model No

TMN60

TMN85

TMN130

TMN200

TMN280

Bearing structure

Cross roller bearing

Cross roller bearing

Cross roller bearing

Reduction Ratio available

5/10

5/10/15/18

10/18

10/18

10

Rated output torque(N.m)

5/4

40/35/18

55/35

90/60

135

Max output torque(N.m)

3 times rated torque

3 times rated torque

3 times rated torque

Positioning accuracy(arc-min)

≤1

≤1

≤1

≤1

≤1

Repeatability accuracy(arc-sec)

≤5

≤5

≤5

≤5

≤5

Allowable disk speed(rpm)

200 Intermittent operation

200 Intermittent operation

200 Intermittent operation

200 Intermittent operation

Servo motor (w)

100

400/100

200~400

750

1000~1500

Stepping motor

42 NEMA17

57 NEMA23

57/86 NEMA23/34

86/110 NEMA34/42

110 NEMA42

Allowable axial load (N)

300

800

2000

4000

8000

Allowable moment torque(N.m)

9/7

62/40/27

90/58

90/60

240

Torsion rigidity(N.m/arc min)

2.5

6

19

32

58

Backlash

0 (adjustable structure)

0 (adjustable structure)

0 (adjustable structure)

Accuracy life(h)

30000h Intermittent operation

30000h Intermittent operation

Level protection(IP)

50

50

50

Lubrication method

Long term effective lubricant

Long term effective lubricant

Long term effective lubricant

Installation method

Horizontal/Vertical/Suspension

Horizontal/Vertical/Suspension

Horizontal/Vertical/Suspension

Concentricity of rotating platform(mm)

≤0.01

≤0.01

≤0.01

≤0.01

≤0.015

Parallelism of rotating platform(mm)

≤0.01

≤0.01

≤0.013

≤0.02

≤0.03

Transmission efficiency (%)

95

95

95

95

95

Noise (db)

≤55

≤55

≤60

≤63

≤67

Weight (kg)

0.54

1.4

2.5

8.0

20

Production of Large Aperture Hollow Rotary Tables:

Rotary Indexing Tables

Hollow Rotary Tables, in other terms, automatic hollow rotary tables, hollow rotary actuators, hollow servo reducers, hollow stepping reducers, heavy duty hollow rotary tables,high precision hollow rotary tables. Hollow rotary table is a new rotating load equipment, which integrates high transmission efficiency, high precision, high rigidity and high cost performance.

Hollow rotary tables integrate servo motor, cam precision gear structure and radial bearing, improve torque and rigidity, and carry more stable load. It can be divided at any angle with servo motor or stepping motor, which can not only achieve full positioning accuracy, but also be comparable to direct drive motor, and can realize the positioning of inertial load in a short time. Tallman Robotics designer designed this standard structure to provide customers with a hollow rotary transmission mechanism that can be widely matched with various brands of servo motors or stepper motors for greater design freedom.

Advantages of our Hollow Rotary Tables:
1. Standard hollow structure: the platform body adopts hollow structure, which is convenient for wiring and pipe passing in mechanical design.       Corresponding clamping tools can also be installed through this hollow structure.

2. Our hollow rotary platform with high repeatability positioning accuracy adopts imported processing gears, the gear accuracy reaches level 2, and the repeatability positioning accuracy of the platform can reach ≤ 10arc sec. After the combination of the platform, the rotating disk surface of the platform and the ground mounting surface shall be grinded up and down at the same time to ensure the overall parallelism and concentricity.

3. Servo motor and stepping motor can match hollow rotating platform, which adopts open flange input, and can match with stepping and servo motors of any brand.

4. Our high rigidity hollow rotating platform with imported cross roller bearings can bear large axial and radial forces,making the overall rigidity of the platform greater.

5. Our hollow rotary platform can be installed horizontally, vertically and laterally to meet various design requirements. This platform adopts cross roller bearing, and the rotating working disk surface can be locked directly, so it is easy to use on the rotating output surface of the platform; Fully enclosed lubrication system is adopted inside the platform.

Deep groove ball bearings are used for models with installation size of 60mm, and cross roller shafts are used for models with installation size of 85mm and 130mm. The greater the allowable inertia load is, on the contrary, the displacement of inertia load can be reduced.

Direct connection:simple design lifting trust hollow rotary platform reducer, which can directly install the workbench and robot arm of the equipment. When the general equipment is positioned through the belt pulley and other mechanism parts, the accuracy of the transmission efficiency of the parts is reduced, or it is necessary to repair the mechanism parts. The HRT series can be installed directly without intermediate parts, so it can not only be used directly, but also avoid the trouble of maintenance.

Large aperture Hollow Rotary Tables: simple wiring and piping. Due to the adoption of a section of reduction gear mechanism to increase the diameter of the driven gear, the design of Large aperture Hollow Rotary Table hollow hole (penetration) is realized. Suitable line and piping and other occasions, so that the equipment design is more concise.

Large aperture Hollow Rotary Table/Hollow Rotary Platform is a high precision circular arc transmission product used for station segmentation, angle rotation, positioning and fine adjustment in industrial automation equipment. It is widely used in visual inspection, laser equipment, bonding, new energy and other fields. Our reducer has the advantages of high rigidity, high efficiency, low back clearance, low noise, long service life and lifelong maintenance free. It is widely used in robots, manipulators, CNC machine tools, CNC cutting machines, CNC pipe benders, printing and packaging equipment, textile equipment, transportation and storage equipment, food machinery, etc.

How Hollow Rotary Tables Benefit Machining and Production

Introduction
A hollow rotary table is a type of table that is used in machining and production. It consists of a rotating top plate with a hole in the center. The hole is used to hold a workpiece, or a tool, in place while it is being machined.
The main benefits of using a hollow rotary table are:
-They provide better support and stability for the workpiece.
-They allow for easy and precise placement of the workpiece.
-They can be used with a variety of different machining operations.

If you are looking for a table that can provide you with all of these benefits, then a hollow rotary table from Tallman Robotics is the perfect solution for you!

How Hollow Rotary Tables Benefit Machining:

Hollow rotary tables are used in machining operations to improve accuracy and speed. The hole in the center of the table provides better support and stability for the workpiece as it is machined, making it easier and more precise to place the workpiece in the correct position. It also prevents any flexing or wobbling of the workpiece as it is being machined, which can lead to inaccurate results. The added stability and precision of the hollow rotary table also allow for a variety of different machining operations to be performed. For example, the table can be used for drilling, reaming, counterboring, countersinking, faced milling and friction welding operations. With the table’s stability and accuracy, more complex machining operations can be achieved with greater efficiency and precision. Overall, the hollow rotary table is a great tool for machining operations. It helps to improve accuracy and speed, as well as providing the stability and precision necessary for more complex operations.

How Hollow Rotary Tables Benefit Production:

Hollow rotary tables not only provide better support and stability for the workpiece, but they also help to reduce production costs. The stability of the table allows for precise placement of the workpiece, which can reduce cycle times. This can in turn result in faster production, as well as increased production yields due to the improved accuracy of the machining process. The table also allows for a variety of different machining operations to be performed, which can help to reduce the need for additional fixtures and tooling. This can lead to cost savings as there is no need to purchase or maintain additional equipment. Additionally, the table’s design ensures that it takes up less space than traditional machining equipment, meaning there is no need to purchase additional floor space in order to install the table. This can help to save money on property costs. Overall, the hollow rotary table is a great tool for production operations. It helps to reduce production costs and cycle times, as well as allowing for a variety of machining operations to be performed.

Conclusion:

A hollow rotary table is an invaluable tool for machining and production operations. It provides better support and stability for the workpiece, as well as allowing for a variety of different machining operations to be performed. Additionally, the table helps to reduce production costs and cycle times, making it an excellent tool for any machining or production operation.

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