SCG 250
6Pages

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Catalog excerpts

SCG 250 - 1

Excellent grinding of large optics

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SCG 250 - 2

Introducing the Surfacing Center SCG 250 Working with larger optics in the 250 mm range you are confronted with various geometries and demanding specifications that require sophisticated grinding solutions. The SCG 250’s unique mechanical design combines ideal axis configurations for excellent grinding of large spherical, aspherical, and freeform optics in one machine. Its innovative kinematics and spindle setup allow for both cup and peripheral wheel grinding in one process cycle resulting in superb form accuracy and minimized surface roughness. The optional packages include fast...

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SCG 250 - 3

Innovative frame concept The SCG 250 has been designed with your requirements for perfect grinding in mind. The new frame concept is the basis for completely independent vertical and horizontal spindle arrangements as well as tool configurations. It unites perfect preconditions for the very different grinding tasks like spherical and aspherical machining in one innovative mechanical design. An independent placement of the working positions allows high flexibility in tool size and process design – with virtually no limits. Optionally, the versatile surfacing center can be equipped with a...

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SCG 250 - 4

Data communication The system interfaces to an Ethernet network connection and to the SCHNEIDER Optical Technology (SOT) software enab­ ling smooth and effective data exchange for setup and operation. The service is sup­ orted by an intelligent analysis system p with remote diagnostic. High stock removal and excellent contour accuracy is accomplished in the wheel grinding mode for aspheres. A graphical user interface assists the operator for simple and fast communication tasks. Cup wheel grinding of concave aspheres with standard tools. The SCG 250 supports data exchange with external...

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SCG 250 - 5

Work space features of the SCG 250 Optional third spindle R — educed need of disruptive tool changes Higher flexibility in defining — grinding steps and corresponding grain size of the tools CT Control — CNC-controlled measurements ensure precise center thickness control — Reduction of setup times — Process control Feed Control — First-touch technology ensures minimal air cutting passes — Load-dependent feed-rate control Kinematics — Manufactured on a stiff cast iron base for kinematics of up to 6 axes and 5 spindles Tool Control — CNC-controlled recognition of the grinding tools —...

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SCG 250 - 6

technical data max. working range diameter (mm) machine * Edge processing up to 140 mm (250 mm only with restrictions and special tool) with automation working range 3+3 (X, Z, B, optional fast X-axes, optional C-axis) feed rate X-axis Z-axis fast X-axes (FF) positioning and repeat accuracy feed rate positioning and repeat accuracy tool spindle connection cup wheels peripheral wheels speed range grinding tool spindle (cup wheel) grinding tool spindle (peripheral wheel) workpiece spindle connection flange speed range workpiece spindle power consumption dimensions without control panel (width...

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