Superior Mechanics
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Our hard cover design provides protection from sparking and other debris introduced in the machining process. The robust aluminum cover is protected with a TeflonTM impregnated coating that provides a Rockwell 62 hardness making it impervious to scratching. For applications not requiring a hard cover, a bellows cover can be used. HALAR (High Accuracy Linear Accuracy and Repeatability) and HALSF (High Accuracy Linear Straightness and Flatness) are available options. |
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Side seals keep dirt and particulates out of the stage, protecting bearing surfaces and linear encoders from contamination. The vertical orientation of the sealing surface deflects debris away from the stage. Competitor top-seal designs can collect this debris, requiring periodic maintenance and resulting in the eventual failure and replacement of the sealing mechanism. Stages can be air-purged for additional environmental protection. |
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Direct-drive linear motors provide the highest acceleration and velocity with the lowest maintenance and total cost-of-ownership of any competing drive technology. Direct drive technology has superior velocity control to ensure good edge quality on laser cutting and marking processes, while linear encoder feedback greatly improves overall system accuracy and repeatability. Stages and motors can be made vacuum compliant to 10-7 torr. |
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Aerotech’s advanced mechanics include direct-drive rotary stages. These stages come in many configurations to meet the price/performance goals of most manufacturing applications. Rotary stages use slotless, brushless motors for cog-free operation. Clear apertures up to 100 mm provide clearance for beam delivery or feed-through of pneumatic or electrical control signals. All rotary motors have low inertia rotors. For medium-to-high accuracy systems, ball screw and worm drive systems are available. Air-bearing stages provide maximum velocity, smoothness, flatness, accuracy, and repeatability. |
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