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INDUSTRIAL AUTOMATION FROM ONE PROVIDER EAST ELECTRIC 1 SYSTEMINTEGRATOR & SALES PARTNER
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2 INDUSTRIAL AUTOMATION FROM ONE PROVIDER Integrated measurement system for ball rail systems and roller rail systems
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3 PRODUCT DESCRIPTION The basis of the integrated measuring system for Bosch Rexroth profiled rail systems is a highly-accurate physical gage integrated into the guide rails. The physical gage is read using an adapted reader head on the runner block. Integrating a direct travel measurement system into the profiled rail system opens up new possibilities for machine design.
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4 FEATURES-ADVANTAGES-BENEFITS Features of guide rails with physical gage Photo-lithographically etched markings Spot-welded non-magnetic metal strip Laser-welded cover strip Integrated grid strip and reference marks Up to ± 3 µm “absolute accuracy“ ± 3 µm to 2500 mm measured length ± 5 µm to 4400 mm measured length ± 10 / 30 µm 4400 mm measured length Permanent pitch information Thermal behaviour of steel (11 µm / °C m) Temperature compensation due to different thermal behaviour not necessary IP 67 system of protection (absolutely sealed) Shock up to 200 g Easy to install No adjustment required no installation costs No additional room needed for installation simple design Customer-specific coding possible
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5 FEATURES-ADVANTAGES-BENEFITS Features of runner block with adapted reader head Analog and digital signals Inductive measurement principle Contactless reading Real-time signals Guidance and measurement form a single unit Runner blocks are adjusted on master rails Accurate replication ± 2 µm (all output signals 1 Vpp, TTL 10/5/1/0.25 direct from sensor) Not sensitive to dust, water, oil, chips Not sensitive to magnetic field disturbances Traversing speed of up to 5 m/s (dependent on block) Non-wearing no servicing required No time-delays Modest additional installation space simple design Machine faults are reduced to a minimum (no system errors due to reversal error, no deviations due to parallelism etc.) Interchangeable design Can be retrofitted
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6 FEATURES-ADVANTAGES-BENEFITS Contactless reading – No aging; maintenance-free; stable signal amplitude Installation Installation on guide rail as standard; no additional installation space for scale; optimal positioning Sensor All signal types 1 Vpp (analog) / TTL (digital to 0.25 µm); Physical gage Grid strip in steel; manufactured using photolithography; permanent pitch information; no aging Accuracy of scale comparable to a glass scale (+/- 3µm) Measured length = rail length (max. 4500 mm in one part)
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7 UNIQUE SELLING POSITION / SALES ARGUMENTS Excellent market opportunities for applications in “dirty” environments, e.g. laser-welding, laser cutting etc. The sought-after improvement in interpolation accuracy will enable use in machine tools going forward. Inductive measurement system, integrated into the profiled rail system Extremely robust due to the principle for measurement and the contactless readings. Physical gage is highly accurate, comparable with glass scales.
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8 TOGETHER WE ARE MORE POWERFULL Thank you for your attention!
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