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Micron  TRUE Planetary  Gearbox
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   Planetary Gearbox Technology     NEMA TRUE ™   True planetary gearbox, flange mount design with anodized aluminum housing employing RediMount  system.
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                                             Frame Size   Max T Peak (lb-in)                             Backlash
                                    Inline                              All Sizes  Gear Ratios Available  Efficiency
 Helical gears are known for their quiet and smooth operation along with their ability to transmit higher loads than   English  Metric  1 Stage  2 Stage  (arc-min)
 spur gears. Both of these features of helical gearing result from the improved contact ratio (effective teeth in mesh)   Size 17  NEMA 17  42 mm  170  170
 over spur gears.                                                        1 Stage   3, 4, 5, 7, 10  93%    13 (8)*
                                   Size 23 / 60  NEMA 23  60 mm  250  275
 A high torque, whisper quiet helical gearbox has been designed by combining the positive attributes of gear crowning   Size 34 / 90  NEMA 34  90 mm  700  850  MICRON
 and helical gearing with the planetary construction to create the smoothest operating gearbox on the market.  Size 42 / 115  NEMA 42  115 mm  1000  1600  2 Stage  15, 20, 25, 30, 40, 50, 70, 100  88%  15 (9)*
 AKD SER
 •  Broadest product range of gearboxes in the industry  ™                                                                 ®
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 •   Innovative gear technology offers size and performance advantages     NEMA TRUE   True planetary gearbox, flange mount design with anodized aluminum housing employing RediMount  system.
                                             Frame Size
                                                          Max T Peak (lb-in)
                                    Right
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 •   RediMount  system provides error-free and reliable installations  Angle  English  Metric 1 Stage 2 Stage 3 Stage  All Sizes  Gear Ratios Available  Efficiency  Backlash           TRUE PLANET
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                                                                                                         (arc-min)
 Helical Crowned TRUE Planetary  Gearing  PowerTRUE  Right Angle Gearboxes  Size 23 / 60  NEMA 23  60 mm  360  366  366  1 Stage  1, 2, 3, 4, 5P  98%  13
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 STEMS
 Features  •   Lower backlash from single axis mesh adjustment  Size 34 / 90  NEMA 34  90 mm  1110  1110  1110  2 Stage  5T, 6, 9, 10, 12, 15, 20, 25,   93%  15
                                                                                    30, 40, 50
 •  High torque capacity  •  Greater load sharing  •   A compact design using face gear technology                      AR
                                   Size 42 / 115  NEMA 42  115 mm  2250  2250  2250  3 Stage  60, 75, 90, 100, 120, 125, 150,   88%  15  Y
 •  Low backlash  •  Whisper quiet  •  Whisper quiet operation due to high contact ratio  200, 250, 300, 400, 500        TM
 •  Smooth operation  •  Mesh ratios from 1:1 to 5:1   The XTRUE Series is a new precision gearbox employing RediMount  system that compliments our TRUE planetary
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 •  Extremely efficient (98%)    XTRUE ™   gearbox line – already the largest selection of planetary gearboxes in the world.   GEARBO
                                    Inline   Frame Size   Max T Peak (lb-in)  All Sizes  Gear Ratios Available  Efficiency  Backlash
                                              Metric
                                                                                                         (arc-min)
 Spur vs. Helical Gearing                                1 Stage  2 Stage                                               X
 TRUE PLANET
                                    XT040      40 mm      162      299
 Typical contact ratio is 1.5 for spur gearing.
 AR
                                    XT060      60 mm      483      483
 Contact ratio for equivalent helical gear is 3.3 –                      1 Stage   3, 4, 5, 7, 8, 10  93%  13
 more than double the contact ratio.  XT080    80 mm      1460    1550
                                    XT120      120 mm     2640    2640
                                    XT160      160 mm     7750    7750
 Y GEARBO
 Crowned vs. Non-Crowned  PowerTRUE™ gear technology  Computerized mapping of gear tooth profile  XTA050  50 mm  162  299
 X
 Crowning optimizes the gear mesh alignment within a gear train to   All Micron right angle   XTA070  70 mm  483  483  2 Stage  15, 20, 25, 30, 40, 50, 70,
 increase the torque capacity and reduce noise. It also enhances load   gearboxes use the   XTA090  90 mm  1460  1552  80, 100  88%  15
 distribution on the tooth flank to reduce high stress regions.
 PowerTRUE technology               XTA120     120 mm     2639    2639
 which increases the mesh
 High stress region  Even load distribution  ratio to 5:1 compared to      EverTRUE ™   EverTRUE, employing RediMount  system, is specifically designed for 24/7 continuous running applications providing
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 a maximum of 3:1 typical          3 times (30,000 hours) service life.  Max T Peak (lb-in)              Backlash
                                             Frame Size
 in bevel gears.                    Inline    Metric     1 Stage  2 Stage  All Sizes  Gear Ratios Available  Efficiency  (arc-min)
                                    ET010      101 mm     4093    4794
                                                                         1 Stage    4, 5, 7, 10  95%       4
 Non-Crowned  Crowned  Multiple teeth in the face
 gear simultaneously mesh           ET014      141 mm     9430    11,250
 with a standard involute           ET018      182 mm    21,600   26,280  2 Stage  16, 20, 25, 28, 35, 40, 50, 70, 100  90%  5
 pinion. The continuous tooth    ntinuous duty operation. Superior thermal management. Tapered roller bearings.
 engagement yields a high
               * High Precision, low backlash versions available, low backlash value in parenthesis (Not available in size 17).
 contact ratio between the   Note 1: Torque capacity is maximum of frame size stage design, not all ratios have the same rated torque capacity.
               Note 1: Torque capacity is maximum of frame size stage design, not all ratios have the same rated torque capacity.
               Note 2: Torque capacity is the maximum allowable momentary torque for emergency stopping or heavy shock loading.
               Note 2: Torque capacity is the maximum allowable momentary torque for emergency stopping or heavy shock loading.
 gear and the pinion, increasing   Note 3: Ratio 5P is designed using the compact PowerTrue face gearing technology.
               Note 3: Ratio 5P is designed using the compact PowerTrue face gearing technology.
 torque and efficiency.  Note 4: Ratio 5T is designed using a True planetary gear stage for increased torque capacity.
               Note 4: Ratio 5T is designed using a True planetary gear stage for increased torque capacity.
               Note 5: For complete gearbox model nomenclature, refer to page 196.
               Note 5: For complete gearbox model nomenclature, refer to page 95.
 1-540-633-3545
 2 1  1-540-633-3545  www.kollmorgen.com.kollmorgen.com                                                         TM TM  125 5
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