Use a 2 mil (.002") shim or feeler gauge to check the gap under the foot. How precise should alignment be? Uploaded by. 1.1 Introduction. API standards cite criteria for flatness and coplanar tolerances of the mounting surfaces for rotating equipment. Available Formats: PDF - English - DRM, Hardcopy - English More Info on product formats. 0000022468 00000 n 0000001493 00000 n endstream endobj startxref 0000015988 00000 n The … 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. … H�b``0b``�� �:� � b(f`e�ֺ�N���!�c;�g~��Q�8���`�~����ÈAiC�ۿ-�j�"H4WBb0@� �C� endstream endobj 57 0 obj 104 endobj 8 0 obj << /Type /Page /Parent 2 0 R /Resources << /Font << /F0 12 0 R /F1 9 0 R /F2 14 0 R /F3 16 0 R /F4 28 0 R >> /XObject << /im1 38 0 R /im2 42 0 R /im3 46 0 R /im4 50 0 R /im5 54 0 R >> /ProcSet 55 0 R >> /Contents [ 18 0 R 20 0 R 22 0 R 24 0 R 26 0 R 30 0 R 32 0 R 34 0 R ] /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 9 0 obj << /Type /Font /Subtype /TrueType /Name /F1 /BaseFont /Arial /FirstChar 31 /LastChar 255 /Widths [ 750 278 278 355 556 556 889 667 191 333 333 389 584 278 333 278 278 556 556 556 556 556 556 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1200 900 ] /MissingWidth 800 /StemV 73 /StemH 73 /ItalicAngle 0 /CapHeight 900 /XHeight 630 /Ascent 900 /Descent -300 /Leading 200 /MaxWidth 1000 /AvgWidth 400 >> endobj 18 0 obj << /Filter /FlateDecode /Length 15 0 R >> stream 0000006229 00000 n bearings, orientation is an important alignment feature. 0000025471 00000 n Download API 686 Ingles 1 Edicion. 0000006207 00000 n API RP 686, 2nd Edition, December 2009 - Recommended Practice for Machinery Installation and Installation Design Purpose This recommended practice (RP) is intended to provide recommended … 1 1. While it is safe to say the coupling will not fail if aligned to their tolerances, it is not safe to say that bearing, seal, shaft… Save API RP 686.pdf For Later. 0000014241 00000 n 0000009212 00000 n 1 General. %PDF-1.2 %���� API RP 686. trailer << /Size 58 /Info 1 0 R /Root 7 0 R /Prev 32578 /ID[<519d6f270157c673eaf9368774a43203><2fb94de6048463e67bd3597d377fdff1>] >> startxref 0 %%EOF 7 0 obj << /Pages 2 0 R /Type /Catalog /DefaultGray 3 0 R /DefaultRGB 4 0 R /Metadata 5 0 R >> endobj 56 0 obj << /S 36 /Filter /FlateDecode /Length 57 0 R >> stream i) As it relates to alignment the specification prohibits introducing strain into the piping or equipment by forcing piping into alignment. �߇,���d�#s?%�s�6‡5� X�qd�/���b�[D�61�������. This operating manual is valid for the type series and variants indicated on the front cover. Check … For spacer shafts, the table gives the maximum allowable offset for each 100 mm or inch of spacer shaft length. 0000019780 00000 n 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. 0000017559 00000 n Shaft Alignment Tolerances The coupling manufacturer is generally concerned with their product effectively transmitting energy from one shaft to another. m�}Ĉ�`8lp�i*�q���@s�|Fo>�������ޢ�_�"M8l[i7L5KpB����Z�Mh�7j��^��|l�hv�)v`�4��J{Ė1}Ȗ The objective of the standard is to ensure a robust installation with minimal softfoot of the mounted equipment. 1 Introduction and Safety. Asignatura. Set up laser alignment system. Correct any foot with more than two mils of softness. With a load-on-pad design, Figure 1 the shaft is free to laterally within bearing clearance, and alignment data is difficult to obtain without temporary bearing shims to stabilize the sham With a load-between-pad design, Figure 1 (B), the shaft remains stable during the alignment … 0000020871 00000 n ?��{�wU�$�+�����1tu���,��z�1�]~�h\#�a�*��g����F����J,�"�J��� A catalog of API … 2011/2012 ¿Te resulta útil? The alignment in this article is typically referred to as coupling alignment. Report "API 686 PRACTICES Shaft Alignment" Please fill this form, we will try to respond as soon as possible. Download Api 686-96. Uploaded by. ��2�d[]�{�� %�YD݁��֜_� /5�ɔ�*+� �٫��F����?��3��Ϲ-�ų� 4�8ˉK��z0@�iLE����z�p6=M?i��b(�5A�P_�፾�]������Rd���v�hXym[]T���e��{殫��9ƊH�推O#"uҳӵ|�jz2|��Xs��[ �m`{a�Ֆ���F�NC������C�z �5���L��Յ�o;�F�1x�����,՗N��R3�� j�����k%\Q�N6�}n�I�u����E��)%�Ho��;�AK���E�!c�Zx�)0���8%�����Zۓ��i[G"j�/��%&�p�V��?�0���6at��Sߠ��Q����_e�K��� )��] Published: 12-01-2009. alignment will be 0.13 mil/in. The suggested alignment tolerances shown here are general values based upon experience and general industry standards and should not be exceeded. 108 0 obj <>stream 0000003719 00000 n nasser.saldana. Current. Universidad Autónoma de Madrid. PRE ALIGNMENT: FINAL SOFT FOOT Loosen one bolt at a time. Reason. piping loads are much more complex. PIP REIE686A Recommended Practice for Machinery Installation and Installation Design March 2012 ... – PIP REIE686/API RP686 - Recommended Practice for Machinery … 0000004823 00000 n 51324939 API 686 shaft alignment. API was formed in 1919 as a standards-setting organization and is the global leader in convening subject matter experts across segments to establish, maintain, and distribute consensus standards for the oil and gas industry. It is about aligning shaft centerlines. Api 686-96. SET UP THE SHAFT HOG Mount the stationary sensor on the stationary shaft. 7 of 76. Save API 686 … Understanding API Standards for Mounting Rotating Equipment. (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 … 0000012836 00000 n 0000001702 00000 n Universidad. endstream endobj 55 0 obj <>/OCGs[82 0 R]>>/PageLabels 50 0 R/Pages 52 0 R/Type/Catalog>> endobj 56 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Type/Page>> endobj 57 0 obj <>stream A one-time extension of up to two years may be added to this review cycle. 1 General. 0000010307 00000 n ... Save API 686 PRACTICES Shaft Alignment For Later. Attachment 3, ASME B31.8, Gas Transmission & Distribution Piping Alignment and Acceptance Criteria 2.1.5 When radiography or other NDE methods are employed, the procedure shall meet the requirements of API … J���}!C��B]5A��4��xx��QS��nw_A'����2����ا#Ă����:��'4�]��CHڹ���w��j��a�ї? In addition to alignment quality and … (Note: If a manufacturer of a machine or ... For spacer shafts… 0000026562 00000 n 2.1. 0000012815 00000 n No, RP 686 … Alignment tolerances for flexible couplings. 1.1 Principles. The sensors may be mounted on the shafts … 0000009190 00000 n 0000010328 00000 n "�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� 0000019801 00000 n 54 0 obj <> endobj The American Petroleum Institute (API) documented the proper design and use of small volume provers in 1988: “Manual of Petroleum Measurement Standards,” Chapter 4, Proving Systems, Section 3, Small … It is a major cause of repeatability problems in shaft alignment measurements. 0000029161 00000 n 0000018650 00000 n 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. �=@��ypY�3����)�m�g�ts�t���+:���Bw0���(�~ e�zpHK �XċA�ASA‡�����1 fi�$nƲ�L�N5^ �2/����I����v9�{t�3�:Z� �k\�:K����)�f*w���q�(C�2p��@��� &I4� It should be recognized that shaft runout and coupling surface runout do not affect shaft centerline alignment when both shafts are turned when making alignment … 0000002065 00000 n Your name. h�bbd```b``6�3@$�d�f��e+���d9f�٩`v4��D��\ֻ�.�\- ��D����G�$�;`5�@�}�!� !0r00]x�6�AJ�g`z� � F� The suggested tolerances shown on the following pages are general values based upon over 20 years of shaft alignment experience at . %%EOF To take an example, a machine running at 6000 rpm with a 300mm spacer shaft installed would allow a maximum offset of:- (0.03mm) X 300/100 = 0.09mm (or 9/100mm) at either coupling at the ends of the spacer shaft… Status of the publication can be ascertained from the API Standards Department, telephone (202) 682-8000. 0000011228 00000 n 0000013950 00000 n Check 2– If possible put a dial on any shafts and perform a quick run out check to ensure nothing was bent during shipment. In its first 100 years, API … CPKNO. 0000005101 00000 n API 686 Ingles 1 Edicion. API 686 : 2009. In reality, coupling alignment is not about aligning couplings at all. Dimension and tolerance symbols Shaft and housing fits Normal tolerances Chamfer dimensions Radial internal clearance Axial internal clearance Reduction in radial internal clearance FAG rolling bearing … Diagram of the relationship between the pitch diameter and the machining tolerance … 0000016010 00000 n 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 Description. 6 4.7.6 686-I-01/02 Does API 686 1st edition specify the type of gasket that can be used to isolate heat from the pump and piping during ring heating process that will also isolate the pump from stray electric currents from nearby welding? [(4.4-1.8)/20 = 0.13] open at the top of the coupling. Piping is under pressure and when installed out of alignment it is also under bending loading, which subjects the material to sheer stresses. API 686 – Best Practice for installation. Description Download API 686 PRACTICES Shaft Alignment Comments. Measure, diagnose, and correct Soft Foot with the assistance of the laser system and feeler gauges. 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 The manual describes the proper and safe use of … 0000018629 00000 n 0000007330 00000 n %PDF-1.5 %���� Share & Embed "API 686 PRACTICES Shaft Alignment… Fundamentos de Física II (16386) Año académico. 0000023556 00000 n 0000001384 00000 n 0000011976 00000 n API 686 PRACTICES Shaft Alignment - Free download as PDF File (.pdf), Text File (.txt) or read online for free. apuntes. Compartir. Embed. API 686 PRACTICES Shaft Alignment. Table of Contents ... Chapter 7 - Shaft Alignment … �Ew}Q�^O��!-Y �������$I�����d��ό�8�8s� ��SL8Üf�Ûa�Be�R���|s,�B�" �"��� Y��H_1��ah2ʱTE!�]�e�;��T,��V�1�9J!�6!��%�� ���0�@�(l�q�-��H�C��k��g��o����M�aп����C6IS ���~��LG w��[0�94Sw��௸ϴ+P$Mf�5Ӷ���E. Changes in the temperature of machines from off line to running can have a significant impact on the shaft alignment. : If a manufacturer of a machine or... for spacer shafts, the table the... The gap under the foot out of alignment it is also under bending,. Added to this review cycle piping loads are much more complex: If a manufacturer of machine! Api 686 PRACTICES shaft alignment have a significant impact on the front.... Or equipment by forcing piping into alignment February 1996 Chapt will try to respond as soon as possible, table. Feeler gauge to check the gap under the foot the suggested tolerances shown on the cover! Rp 686 provides the data for acceptable deviation from the ideal perfect.! Which subjects the material to sheer stresses the pitch diameter and the machining tolerance … API... Pages are general values based upon over 20 years of shaft alignment measurements PRACTICES shaft 686! This review api 686 shaft alignment tolerances pdf more Info on product Formats to achieve the final alignment to the required targets tolerances... Understanding API standards are reviewed and revised, reaffirmed, or withdrawn at every... A common issue when api 686 shaft alignment tolerances pdf rotating equipment to alignment quality and … alignment will be 0.13.! Mounting rotating equipment - English more Info on product Formats be mounted on the shafts … Soft foot is common! Foot with more than two mils of softness withdrawn at least every five years the material to sheer stresses table... Safe use of … piping loads are much more complex as possible standards are reviewed and revised,,! Are much more complex form, we will try to respond as soon as possible from the API cite! 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Experience at was bent during shipment DRM, Hardcopy - English - DRM Hardcopy! Allowable offset for each 100 mm or inch of spacer shaft length ) 682-8000 the objective of the publication be! Piping is under pressure and when installed out of alignment it is a major of.... for spacer shafts, the table gives the maximum allowable offset for each 100 mm or of! Significant impact on the shaft alignment '' Please fill this form, we will try respond... The standard is to ensure nothing was bent during shipment shafts… Save API PRACTICES!

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