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Cranf ield Precision OGM

Product catalog summary

Overview: The document provides technical specifications and features of the Cranfield Precision Off Axis Grinding Machine, designed for high precision freeform grinding of components up to 2,500 mm in diameter. It highlights the machine's capabilities, components, and operational modes.

Specifications:

Models: OGM1200, OGM1600, OGM2500
Machining Capacity: Max diameter of 1,200 mm, 1,600 mm, and 2,500 mm respectively; Max workpiece height of 200 mm, 600 mm, and 800 mm; Max workpiece mass of 1,200 kg, 1,600 kg, and 2,000 kg.
Y Axis: Horizontal workpiece travel with axis stroke of 1,430 mm, 2,000 mm, and 2,200 mm; Min command resolution of 0.05 µm; Max linear motor force of 1,640 N; Max feed rate velocity of 3,000 mm/min.
Z Axis: Vertical grinding wheel infeed with axis stroke of 275 mm, 455 mm, and 655 mm; Min command resolution of 0.05 µm; Max feed rate velocity of 3,000 mm/min.
C Axis: Component work table with continuous axis rotation of +/- 360°; Max axis velocity of 60 rev/min; Encoder resolution of 0.0001°.
S1 Grinding Spindle: Spindle speed of 100 - 3,055 rev/min; Theoretical stiffness of 950 N/µm; Rated spindle power of 20 kW.
Dimensions: Varying dimensions and machine weights for each model, with the largest being 3,600 x 8,750 x 4,100 mm and 55,000 kg.

Features:

Hydrostatic rotary and linear bearings
Twin linear motors and linear encoders
Patented vertical axis counterbalance
FEA optimized base and bridge
Optional 5,000 rev/min work spindle
60 rev/min 800 Nm rotary table

Grinding Modes:

Spheric, aspheric, and freeform mode
Spiral and raster grinding path modes
Edging with circular boundary and non-symmetrical edge profiling
Chamfering and light weighting

Additional Information: The document includes a disclaimer stating that the information is for informational purposes only and does not constitute a legal obligation or warranty. Contact information and associated brands are also provided.

Catalog excerpts

Off axis grinding machine High precision freeform grinding machine for components up to 2,500 mm diameter • Hydrostatic rotary and linear bearings • Linear motor drives • In-situ measuring probe • Patented vertical axis counterbalance GRINDING | ULTRA PRECISION Cranf ield Precis

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Diamond turning machine for the production of ultra-precision optical film The Cranfield Precision Off Axis Grinding Machine has the capacity to produce components up to Ø2500 mm. In-situ metrology MACHINE GRINDING MODES Hydrostatic bearings Twin linear motors Linear encoders Patented vertical axis counterbalance FEA optimised base and bridge 3,050 rev/min work spindle (5,000 rev/min optional) 60 rev/min 800 Nm rotary table Machining capacity Max. diameter Max. workpiece height capacity Max. workpiece mass Y axis (horizontal workpiece travel) Axis stroke Min. command resolution Max. linear motor...

Open the catalog to page 2

Cranf ield Precision OGM

Cranf ield Precision OGM

Catalog excerpts

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