CMM600 Mechanical Bearing Rotary Tables

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CMM600 Mechanical Bearing Rotary Tables

Product catalog summary

Specifications:

Table top diameter: Ø600mm
Base dimensions: 720mm x 1000mm
Height of table: 160mm (subject to encoder type)
Central location diameter: Ø50mm
Axial load capacity: 1700kgs
Net weight: 370kgs
Gear ratio: 530:1
Maximum rpm: 5rpm
Maximum acceleration at maximum inertia: 0.45rs²
Maximum polar inertia: 65kgm²
Maximum tilt moment: 1318Nm

Performance Metrics:

Rotation error of table top: 0.002mm (Grade 1), 0.005mm (Grade 2)
Flatness of table top: 0.003mm (Grade 1), 0.005mm (Grade 2)
Parallelism: 0.002mm (Grade 1), 0.005mm (Grade 2)
Angular positioning accuracy: 2 arc seconds
Radial runout of table axis: 0.0004mm (Grade 1), 0.0005mm (Grade 2)
Axial runout of table axis: 0.0002mm (Grade 1), 0.0005mm (Grade 2)
Coning of table axis: +/-0.25 arc seconds
Concentricity of location diameter: 0.0025mm

Company Overview:

Rotary Precision Instruments UK Ltd, established in the 1950s, is a leading supplier of precision rotary tables for various industries including Aerospace, Automotive, and Machine Tool sectors.

Product Features:

Mechanical Bearing (Type MB): High precision, high load capacity roller thrust bearing with pre-loaded double row journal bearing.
Combination Bearing (Type CB): Includes a high load capacity thin film air thrust bearing, ideal for heavy centred loads.
Air Bearing (Type AB): Combines thin film air thrust bearing with radial air bearing for high accuracy.
Table Top: Made from high-grade stabilised cast iron with customizable tapped holes.
Fibre Glass Cover: Available in various colors to match machine aesthetics.
Zero Backlash Servo Drive: Eliminates backlash for accurate positioning.
Zero Influence Drive: Negates axial and radial forces affecting table geometry.
Encoder Types: Various types available for high positional accuracy.

Optional Features:

Home Switch: Can be fitted for use as a home reference.
Air Floatation Base: Allows the table to glide over flat surfaces, useful in CMM applications.
Service Indicator: A visible indicator can be installed if required.

Catalog excerpts

CMM600 Mechanical Bearing Rotary Tables-1

CMM600MB (Mechanical Bearing) Grade 1 Grade 2 Table top diameter Base dimensions Height of table Central location diameter Axial load capacity Net weight Gear ratio Maximum rpm Maximum acceleration @ maximum inertia Maximum polar inertia Maximum tilt moment *Subject to encoder type Rotation error of table top Flatness of table top Parallelism Angular positioning accuracy Radial runout of table axis Axial runout of table axis Coning of table axis Concentricity of location diameter

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CMM600 Mechanical Bearing Rotary Tables-2

Rotary Precision Instruments UK Ltd has a long established reputation as a major supplier of high precision rotary table products. Since the formation in the 1950's as Optical Measuring Tools (OMT), Rotary Precision Instruments UK Ltd has become a leading supplier of precision rotary tables to the Aerospace, Automotive, Power Generation, Machine Tool, Scientific and General Engineering Industries, and is recognised as a world leader in innovation and design. The CMM series of rotary tables has been specifically designed to complement the highest quality Coordinate Measuring Machines and is based...

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