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Rotary Motion/Hollow Rotary Platforms/

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Heavy Duty Hollow Rotary Tables feature a large central through-hole. The hole passes cables, coolants, or long workpieces. A crossed roller bearing supports the hollow shaft directly. The drive uses a roller gear cam or high-torque worm.

Heavy Duty Hollow Rotary Tables are specialized pieces of equipment used in various industrial applications to provide precise rotational positioning. These Heavy Duty Hollow Rotary Tables are integral in settings such as machining centers, automated assembly lines, and inspection systems.

Here we introduce our Heavy Duty Hollow Rotary Table TMW68 as follows

Heavy Duty Hollow Rotary Tables Heavy Duty Hollow Rotary Tables

Technical Parameters of High payload Hollow Rotary Actuator:

Series

CAM roller type hollow rotating platform

Model

TMW68

TMW90TMW115TMW215TMW315

TMW415

PhotoCam Roller Hollow Rotary TablesCam Roller Hollow Rotary TablesCam Roller Hollow Rotary TablesCam Roller Hollow Rotary Tables
Design load (kgs)

≤80kgs

≤280kgs≤500kgs≤1600kgs≤2.5Tons

≤4.5Tons

Max dia of rotating plate(mm)

≤ 500 mm

≤ 900 mm≤ 1200mm≤ 2000mm≤ 2500mm

≤ 3000mm

Motor type

Planetary gear+Servo motor

Planetary gear+Servo motorPlanetary gear+Servo motorPlanetary gear+Servo motorPlanetary gear+Servo motor

Planetary gear+Servo motor

Motor in configuration

0.4kw/0.75kw

80 flange Servo80/130 flange Servo130/180 flange Servo180 flange Servo

180 flange Servo

Reduction ratio of rotating body

1:20i

1:20i1:20i1:40i1:60i

1:60i

Overturning moment

400 N.m

625N.m1028N.m3500N.m14000 N.m

30000 N.m

Allowable input torque

≤30 Nm

≤72 Nm≤90 Nm≤500 Nm≤500 Nm

≤500 Nm

Rated output torque

≤600 N.m

≤1440 N.m≤1800 N.m≤20000 N.m≤30000 N.m

≤30000 N.m

Allowable moment of inertia

75N.m

220 N.m260 N.m

18000 N.m

  
Allowable input speed

2000 R/min

2000 R/min2000 R/min1200 R/min2000 R/min

2000 R/min

Repeat positioning accuracy

±5 arc-sec±5 arc-sec±5 arc-sec±5 arc-sec±5 arc-sec

±5 arc-sec

Positioning accuracy

±10 arc-sec

±10 arc-sec±10 arc-sec±10 arc-sec±10 arc-sec

±10 arc-sec

Platform concentricity

0.02mm

0.02mm0.02mm0.02mm0.02mm

0.02mm

Platform Parallelism

0.02mm

0.02mm0.02mm0.02mm0.02mm

0.02mm

Accuracy life

20000 ( intermittent motion )

Structure type

Cam roller+cross roller bearing

Protection Grade

IP50

IP50IP50IP50IP50

IP50

Weight (kg)

16kgs

24kgs45kgs120kgs200kgs

300kgs

Options

Driver and CableDriver and cable provided if Motor provided by Tallman Robotics Limited (Usually, we configure Delta, Inovance )
Face rotating PlateProvided if needed.(Drawing provided by the clients)
SensorsPhotoelectric sensor, brackets, sensor plates, screws are for options.

Production of Cam Roller Hollow Rotary Actuators:

Rotary Indexing Tables

FAQs about Heavy Duty Hollow Rotary Tables

  • Do hollow tables need a separate brake for heavy cuts?

     Yes. Cutting torque often exceeds the drive torque. Engage the brake before milling. The brake holds the position rigidly.

  • What cooling method works best for heavy duty hollow tables?

    Oil circulation cooling works best. Air cooling works for light duty. Water cooling requires sealed bearings.

  • How do I seal the through-hole against coolant ingress?

    Use a rotating labyrinth seal for Heavy Duty Hollow Rotary Tables. Add an air purge connection. Replace seals every 3000 operating hours.

  • What causes runout at the hollow table face?

     Dirty mounting surface causes runout. Loose bearing preload nut causes runout. Damaged roller bearing causes runout.

  • Why does my hollow table lose position during milling?

     The brake may not engage fully. The encoder coupling may slip. The drive belt may stretch. Check each system separately.

  • What material suits a heavy duty hollow table housing?

     High tensile cast iron absorbs vibration. Ductile iron resists cracking. Aluminum reduces weight but lacks stiffness.

  • How do I clean chips from the hollow bore after machining?

     Use a nylon brush through the hole of Heavy Duty Hollow Rotary Tables. Blow compressed air from the back side. Never use a metal scraper inside the bore.

You are welcome to watch more projects or visit our website to check other series or load down e-catalogues for further technical data. 

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