Linear Drives - VG Scienta

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Linear Drives Linear Drives Introduction to Linear Drives • Wide range of travels as standard • Fully bakeable to 250 ºC as standard (400 ºC if dismantled) • Different versions allow greater flexibility • Interchangeable between versions • 1x10 -11 mbar to 1 bar pressure range • Motorised types • Micrometer types • Pneumatic types • Push/pull types • Manual screw types There are many requirements to linearly move items inside vacuum. This movement is normally small in distance and can be of high or low accuracy. It can range from the opening and closing of a shutter to moving electron optics nearer to a loaded sample. VG Scienta has a wide range of products designed to overcome the problems associated with such simple translations. The devices in the LD series consist of a linear motion probe that can be moved in relation to its mounting flange from 25 mm to 150 mm with a smooth and reliable operation. The method of actuation used differs between the three ranges, each allows different accuracies and speeds of movement to be achieved. Edge welded high quality UHV bellows are used in the construction of the drives. There is a choice of either light or heavy duty probe mounts across the LD linear drive series which is determined by the choice of mounting flange, either 34 mm or 70 mm Conflat. All of the versions are bakeable up to 250 ºC as standard, but can be baked to a maximum of 400 ºC if further dismantling is undertaken. In addition, VG Scienta supply a range of other linear drive components for more specialist applications. These include longer precision linear travels, or the capability of moving large diameter objects into a vacuum chamber. These devices are also described in this section. 244 www.vgscienta.com
Introduction to the LPD Series Push Pull Drives • Manual knob actuator • Linear non-rotating probe • Position lock • Pneumatic versions available • Manual versions bakeable to 250 ºC standard, 400 ºC with some components removed • Pneumatic versions bakeable to 150 ºC • Limit switch kit (reed switches) available for pneumatic versions www.vgscienta.com Push Pull Drives - LDP Series LDP Series Push Pull Drives Flange OD Dimensions Shipping mm inch Travel Operation Position Scale L R E Weight kg Order Code 34 1.33 25 Manual YES 264 90 116 2.0 ZLDP925 34 1.33 50 Manual YES 323 90 141 2.5 ZLDP950 34 1.33 100 Manual YES 441 90 192 3.0 ZLDP910 34 1.33 150 Manual YES 559 90 242 3.5 ZLDP915 70 2.75 25 Manual NO 140 33 58 2.5 ZLDP225 70 2.75 50 Manual NO 174 41 92 3.0 ZLDP250 70 2.75 100 Manual NO 241 58 160 3.5 ZLDP210 70 2.75 150 Manual NO 308 74 226 4.0 ZLDP215 34 1.33 25 Pneumatic NO 269 90 116 3.0 ZLDP925P 34 1.33 50 Pneumatic NO 327 90 141 3.5 ZLDP950P 34 1.33 100 Pneumatic NO 445 90 192 4.0 ZLDP910P 70 2.75 25 Pneumatic NO 268 33 58 3.5 ZLDP225P 70 2.75 50 Pneumatic NO 326 41 92 4.0 ZLDP250P 70 2.75 100 Pneumatic NO 444 58 160 4.5 ZLDP210P Limit switch kit for all pneumatic versions (2 reed switches) ZLDPRSK2 All dimensions in mm unless otherwise stated. Please note that pneumatic versions over 100 mm in travel are not available. Dimensions are shown in the drawings on page 246 and 247. Linear Drives 245
Page 1: Linear Drives Item Page Introductio
Page 5 and 6: All dimensions in mm. ZLDP9xxP seri
Page 7 and 8: All dimensions in mm. Screw Drives
Page 9 and 10: Introduction to the LDM Micrometer
Page 11 and 12: LM Linear Motion Thimble • 34 mm
Page 13 and 14: Introduction to Z-only Translators
Page 15 and 16: Introduction to the Linear Translat

Linear Drives - VG Scienta

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