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Thomas

®

 XTSR52 Installation and Maintenance 

 

(Page 1 of 13) 

Sizes 494-5258

CP3-002 

September 2017 

Supersedes 09-2016

Rexnord
5555 S. Moorland Rd., New Berlin, WI 53151-7953 
Phone: 262-796-4060  Fax: 262-796-4064  www.rexnord.com

1. General Information

1.1   Rexnord Thomas Couplings are designed to provide a mechanical connection between the rotating shafts of mechanical equipment, using flexible 

discs to accommodate inherent misalignment while transmitting the power and torque between the connected shafts.

1.2   These instructions are intended to help you to install and maintain your Rexnord Thomas coupling. Please read these instructions prior to 

installing the coupling, and prior to maintenance of the coupling and connected equipment. Keep these instructions near the coupling installation 
and available for review by maintenance personnel. For special engineered couplings, Rexnord may provide an engineering drawing containing 
installation instructions that take precedence over this document.

1.3   Rexnord owns the copyright of this material. These Installation and Maintenance instructions may not be reproduced in whole or in part for 

competitive purposes.

1.4   Symbol descriptions:

 

 

Danger of injury to persons.

 

 

Damages on the machine possible.

 

 

Pointing to important items.

 

 

Hints concerning explosion protection.

Type XTSR52
Sizes 494-5258

Figure 1 – Thomas XTSR52 Coupling without Adapter and with Adapter and Large Hub

Содержание Thomas XTSR52

Страница 1: ...se read these instructions prior to installing the coupling and prior to maintenance of the coupling and connected equipment Keep these instructions near the coupling installation and available for review by maintenance personnel For special engineered couplings Rexnord may provide an engineering drawing containing installation instructions that take precedence over this document 1 3 Rexnord owns ...

Страница 2: ...oupling should be stored in a dry corrosion protected environment free from external loads for example by stacking to prevent damage which may cause a hazard when the coupling is put into service 2 7 For ATEX requirements the guard must have a minimum of 12 7 mm 1 2 in radial clearance to the coupling outside diameter and allow for proper ventilation 2 8 All conductive parts of the equipment shoul...

Страница 3: ...Rd New Berlin WI 53151 7953 Phone 262 796 4060 Fax 262 796 4064 www rexnord com Figure 2 Rexnord Thomas XTSR52 Coupling Components Figure 3 Disc Pack Hardware Kit Consisting of and above Note Coupling component numbers above correspond to the component numbers in the column headers of Tables 1 and 2 12 4 3 1 Cap Screws 6 2 5 9 8 7 1 3 4 ...

Страница 4: ...25 4 38 10000912 100 10000926 5 00 10000833 140 10399148 140 10000913 180 10397204 180 1088 10001194 10001614 10000927 4 38 10000834 140 10399150 140 10000928 5 00 10000914 180 10397205 180 1298 10001195 10001615 10000929 4 38 10000835 140 10000930 5 00 10000915 180 10397206 180 1548 10001196 10001616 10000931 5 00 10000916 140 10000932 7 50 10000836 180 1039155 180 10000933 8 00 10000917 250 1698...

Страница 5: ...001163 10002623 10000093 10001563 6 6 6 1088 10000244 10001164 10002624 10000094 10001564 8 8 8 1298 10000245 10001165 10002625 10000095 10001565 8 8 8 1548 10000246 10001166 10002626 10000096 10001566 8 8 8 1698 10000247 10001167 10002627 10000097 10001567 8 8 8 1928 10000248 10001168 10002628 10000098 10001568 8 8 8 2068 10000249 10001169 10002629 10000099 10001569 8 8 8 2278 10000250 10001170 1...

Страница 6: ... to provide uniform heating to avoid distortion and excessive temperature A thermal stick applied to the hub surface will help determine the hub temperature DANGER Touching hot hubs causes burns Wear safety gloves to avoid contact with hot surfaces 4 Straight Bore with Clearance Slip Fit 4 1 Install the key s in the shaft 4 2 Check to be sure that the set screw s in the hub does not protrude into ...

Страница 7: ...fficiently larger than the shaft 6 8 350 F 177 C is usually sufficient for carbon steel hubs Do not exceed 500 F 260 C 6 9 Higher temperatures may be required for higher interference fit levels where alloy steel hubs may be encountered A general rule to consider is that for every 160 F increase in temperature steel will expand 0 001 inch for every inch of shaft diameter or 0 029 mm 100 C When calc...

Страница 8: ...uipment to achieve acceptable alignment When well aligned the disc packs will be centered and approximately parallel to their mating flange faces and the flexing elements will have little visible waviness when viewed from the side As a guide the maximum and minimum values for dimension N shown in Figure 7 are given in Table 4 These dimensions are suggested for initial installation Additional capac...

Страница 9: ...0 31 0 006 0 15 9 84 250 0 0 017 0 43 0 008 0 21 2068 10 39 264 0 0 71 0 74 18 0 18 8 7 50 190 5 0 049 1 23 0 097 2 5 0 013 0 32 0 006 0 16 0 010 0 25 8 00 203 2 0 014 0 35 0 007 0 17 9 00 228 6 0 015 0 39 0 008 0 19 7 09 180 0 0 012 0 31 0 006 0 15 9 84 250 0 0 017 0 43 0 008 0 21 2278 11 44 290 5 0 74 0 77 18 8 19 5 9 00 228 6 0 054 1 36 0 107 2 7 0 015 0 39 0 008 0 19 0 011 0 28 9 84 250 0 0 01...

Страница 10: ...s in the adapter or hub if no adapter and spacer 8 6 Lubricate the cap screw threads and insert the cap screws through the hub flange clearance holes and into the mating threaded holes in the adapter Tighten each cap screw to the torque as listed in Table 5 8 7 Remove the cap screws from the spacer flange to adapter allowing the hub outside diameter to make contact with the pilot diameter of the a...

Страница 11: ... If your coupling utilizes a short center member with scalloped flanges clearance hole area removed follow these supplemental instructions to aid in assembly 8 14 In the event the coupling utilizes a scalloped version center member you will need to pre assemble the disc packs to the center member before installing it between the mounted hubs as shown in Figure 12 8 15 Place Disc against the scallo...

Страница 12: ...0 218 295 21 3668 18 98 482 M16x80 218 295 21 19 80 503 M16x80 218 295 21 20 83 529 M16x80 218 295 21 3908 19 80 503 M16x80 218 295 21 20 83 529 M16x80 218 295 21 23 94 608 M20x90 427 579 27 4178 20 83 529 M16x80 218 295 21 23 94 608 M20x90 427 579 27 25 51 648 M20x100 427 579 27 4588 23 94 608 M20x90 427 579 27 25 51 648 M20x100 427 579 27 26 69 678 M20x110 427 579 27 4918 25 51 648 M20x100 427 5...

Страница 13: ...4 14 1088 5 51 140 0 M8 18 24 15 1298 6 54 166 0 M10 39 53 18 1548 7 76 197 0 M12 66 90 21 1698 8 58 218 0 M14 110 150 22 1928 9 66 245 4 M16 162 220 24 2068 10 39 264 0 M18 236 320 27 2278 11 44 290 5 M20 266 360 30 2468 12 32 313 0 M22 384 520 32 2698 13 50 343 0 M24 575 780 36 2888 14 61 371 0 M27 885 1200 41 3058 15 55 395 0 M27 885 1200 41 3358 16 81 427 0 M30 1200 1600 46 3668 18 35 466 0 M3...

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