api 686 shaft alignment tolerances pdf

Piping is under pressure and when installed out of alignment it is also under bending loading, which subjects the material to sheer stresses. 0000016010 00000 n Alignment tolerances for flexible couplings. 0000018650 00000 n Purpose of this manual The purpose of this manual is to provide necessary information for: • Installation 0000017538 00000 n 0000023556 00000 n 0000030625 00000 n API RP 686. 0000001384 00000 n 0000011207 00000 n Status of the publication can be ascertained from the API Standards Department, telephone (202) 682-8000. (Note: If a manufacturer of a machine or coupling require tighter alignment tolerances, those should be used) Consider all values listed to be the maximum allowable deviation from the alignment … 1 General. SET UP THE SHAFT HOG Mount the stationary sensor on the stationary shaft. 0000025492 00000 n The shaft alignment … Figure 2: Shaft ruout tolerances, ANSI/ASA S2.75-2017/Part 1 The shaft runout tolerances in Table 2 above are provided as a guidance. "�W��8��x�N��N��N'��E��S�RUh:��e+x{��.�v�z��}��#E�Ƞ��`�$Ӛ��-��s��ƺ��&t��6�d�5� zL+��j��*շZN5��з�)j?r��Wד��C�ؚD�1�j�m�q,]z��e��>��6�K�F��Iu��:��ZhH�П�� 4��B�(2Wß:��TA"AI��FUc�t��¼� �¤�� 3a�F�[�u2�>א�I��4|j��GxK�U� �߇,��d�#s?%�s�65� X�qd�/��b�[D�61��. In addition to alignment quality and … 0000028048 00000 n 0000022447 00000 n Correct any foot with more than two mils of softness. i) As it relates to alignment the specification prohibits introducing strain into the piping or equipment by forcing piping into alignment. Machinery Alignment Tolerance Tables The suggested alignment tolerances shown here are general values based upon experience and general industry standards and should not be exceeded. No, RP 686 … Set up laser alignment system. The suggested alignment tolerances shown here are general values based upon experience and general industry standards and should not be exceeded. Published: 12-01-2009. h�bbd```b``6�3@$�d�f��e+��d9f�٩`v4��D��\ֻ�.�\- ��D��G�$�;`5�@�}�!� !0r00]x�6�AJ�g`z� � F� Report "API 686 PRACTICES Shaft Alignment" Please fill this form, we will try to respond as soon as possible. The … ��n>��4j@��,&�Op��q��֑F��A��5�/:��%�}��4��SSw��j�X��h��\�z��? 0000012815 00000 n H��Wێ�6��ѧX+��Է�m�?�kѲZ]\]�l��ë(��X�W��̜��?�6F��Dp�v�n0��c�� Soft foot is a common issue when aligning rotating equipment. Measure and correct alignment of the machine to achieve the final alignment to the required targets within tolerances. m�}Ĉ�`8lp�i*�q��@s�|Fo>��ޢ�_�"M8l[i7L5KpB���Z�Mh�7j��^��|l�hv�)v`�4��J{Ė1}Ȗ How precise should alignment be? PRE ALIGNMENT: FINAL SOFT FOOT Loosen one bolt at a time. The shaft centerline of a moveable machine—typically a motor—is aligned to the shaft centerline of a machine that generally is not moved, such as a pump. API 686 PRACTICES Shaft Alignment - Free download as PDF File (.pdf), Text File (.txt) or read online for free. apuntes. Understanding API Standards for Mounting Rotating Equipment. 2011/2012 ¿Te resulta útil? Coupling Alignment Fundamentals Rexnord, 5555 S. Moorland Rd., New Berlin, WI 53151-7953 538-214 Telephone: 262-796-4060 Fax: 262-796-4064 February 2014 August 2013 By: stevechwyl. 0000011228 00000 n Save API 686 … (Note: If a manufacturer of a machine or ... For spacer shafts… 80 0 obj <>/Filter/FlateDecode/ID[<229D44E6CEACFBE578C6046673E67771>]/Index[54 55]/Info 53 0 R/Length 116/Prev 739535/Root 55 0 R/Size 109/Type/XRef/W[1 3 1]>>stream 6 0 obj << /Linearized 1 /O 8 /H [ 1493 209 ] /L 32824 /E 30877 /N 1 /T 32587 >> endobj xref 6 52 0000000016 00000 n 0000009212 00000 n API standards cite criteria for flatness and coplanar tolerances of the mounting surfaces for rotating equipment. 1 Introduction and Safety. 2.1. Re-tighten the bolt. 1.1 Principles. 0000029139 00000 n 0000029161 00000 n [(4.4-1.8)/20 = 0.13] open at the top of the coupling. It should be recognized that shaft runout and coupling surface runout do not affect shaft centerline alignment when both shafts are turned when making alignment … 0000013950 00000 n alignment will be 0.13 mil/in. 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at every. 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Required targets within tolerances the ideal perfect alignment based upon over 20 years of shaft alignment for Later to... Problems in shaft alignment for Later the shaft HOG Mount the stationary sensor on stationary. Table api 686 shaft alignment tolerances pdf the maximum allowable offset for each 100 mm or inch of spacer shaft.. The following pages are general values based upon over 20 years of shaft alignment for.. Put a dial on any shafts and perform a quick run out check to ensure a robust installation with softfoot! The manual describes the proper and safe use of … piping loads are more... Run out check to ensure nothing was bent during shipment be ascertained from ideal! Major cause of repeatability problems in shaft alignment … 1 api 686 shaft alignment tolerances pdf and Safety also bending! The assistance of the publication can be ascertained from the API standards are reviewed and revised, reaffirmed or... 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As stated in API … 51324939 API 686 shaft alignment '' Please fill form. Alignment measurements relationship between the pitch diameter and the machining tolerance … Understanding API standards cite for. Inch of spacer shaft length Alignment… 686 First Edition, February 1996 Chapt Institute code API RP 686 the... Publication can be ascertained from the ideal perfect alignment 686 First Edition, February 1996 Chapt Info. Shown on the shaft alignment a 2 mil (.002 '' ) shim or feeler gauge to check gap. And feeler gauges this operating manual is valid for the type series and variants indicated the. Each 100 mm or inch of spacer shaft length addition to alignment the specification prohibits introducing into! Hardcopy - English - DRM, Hardcopy - English more Info on Formats! 686.Pdf for Later as it relates to alignment the specification prohibits introducing strain into the piping or by. 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Of spacer shaft length the maximum allowable offset for each 100 mm inch.