api 686 shaft alignment tolerances pdf

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and the machining tolerance for m = 1 0 0,02 0,04 0,06 0,08 0,1 0,12 0,14 0,16 0,18 0,2 0 2040 6080 100 Pitch diameter dp (mm) Machining tolerance T (mm) IT 4IT 5 IT 6 IT 7 Fig. SET UP THE SHAFT HOG Mount the stationary sensor on the stationary shaft. 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… 0000001493 00000 n API-686 PRACTICES shaft-alignment … Purpose of this manual The purpose of this manual is to provide necessary information for: • Installation The suggested alignment tolerances shown here are general values based upon experience and general industry standards and should not be exceeded. Check … 2.1. 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 0000026562 00000 n 0000020871 00000 n Compartir. Table of Contents ... Chapter 7 - Shaft Alignment … 0000003166 00000 n 0000018629 00000 n It is a major cause of repeatability problems in shaft alignment measurements. h��Xmo�8�+��jE��8�j% Description. alignment will be 0.13 mil/in. In addition to alignment quality and … 0000011976 00000 n (Note: If a manufacturer of a machine or ... For spacer shafts… Reason. 0000016010 00000 n API 686 : 2009. 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 … 0000022447 00000 n DOWNLOAD PDF . As per the code if the vertical and horizontal deviation of piping flange and rotary equipment flange centerline is within 1.5 mm and parallelism (rotation) is within 0.0573 degrees then the alignment … 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? (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 … Published: 12-01-2009. Fundamentos de Física II (16386) Año académico. 0000003719 00000 n 0000003439 00000 n Universidad Autónoma de Madrid. 0000004823 00000 n Re-tighten the bolt. 0000005101 00000 n apuntes. Prueftechnik and should not be exceeded. 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 51324939 API 686 shaft alignment. 0000009212 00000 n �0A�}�!\�IJ���;*4�U��I�H4�G3��؟;tT�B~+e���f�a�|�;����P+MAv�����y�W�˖P���{��e�z�#뮜� �;Np��Qd�!�����ې�p�"sS���У�{�JU&n=�q� ��]����bQ:)���Ժ��O�g�>����[�� � ^Q���nyBr8OS� � 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? 2011/2012 ¿Te resulta útil? Description Download API 686 PRACTICES Shaft Alignment Comments. piping loads are much more complex. 0000022468 00000 n 0000019780 00000 n �=@��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� 1 General. Save API 686 … 0000030625 00000 n 0000012815 00000 n 0000015988 00000 n 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. 108 0 obj <>stream 1.1 Introduction. API 686 PRACTICES Shaft Alignment - Free download as PDF File (.pdf), Text File (.txt) or read online for free. 0000023534 00000 n Api 686-96. 0000011207 00000 n 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 0000007330 00000 n 0000029139 00000 n A summary of the guidance in regards to pipe strain is as follows: 1.1 ASME B31.3 PROCESS PIPING Section 335 describes the requirements for assembly and erecting. Alignment tolerances for flexible couplings. 0 API 686 – Best Practice for installation. 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 … H��Wێ�6��ѧX+���Է�m�?�kѲZ]\]�l��ë(����X�W���̜��?�6F��Dp�v�n0���c�� Download Api 686-96. 0000028069 00000 n ���n>��4j@���,&�Op��q��֑F��A��5�/:���%�}����4���SSw��j�X��h��\�z���? These changes in the shaft alignment … Share & Embed "API 686 PRACTICES Shaft Alignment… i) As it relates to alignment the specification prohibits introducing strain into the piping or equipment by forcing piping into alignment. 0000018650 00000 n 0000023556 00000 n Measure, diagnose, and correct Soft Foot with the assistance of the laser system and feeler gauges. For spacer shafts, the table gives the maximum allowable offset for each 100 mm or inch of spacer shaft length. Universidad. … Use a 2 mil (.002") shim or feeler gauge to check the gap under the foot. As stated in API … ��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��� )��] 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 … Set up laser alignment system. The sensors may be mounted on the shafts … Your name. bearings, orientation is an important alignment feature. ... Save API 686 PRACTICES Shaft Alignment For Later. 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… The alignment in this article is typically referred to as coupling alignment. 0000012836 00000 n 1 Introduction and Safety. 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. h�b```g``�����01�A�D�b�,� � nasser.saldana. 0000001384 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. 0000006229 00000 n 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 0000010328 00000 n 0000014241 00000 n Status of the publication can be ascertained from the API Standards Department, telephone (202) 682-8000. m�}Ĉ�`8lp�i*�q���@s�|Fo>�������ޢ�_�"M8l[i7L5KpB����Z�Mh�7j��^��|l�hv�)v`�4��J{Ė1}Ȗ endstream endobj startxref This operating manual is valid for the type series and variants indicated on the front cover. Current. In its first 100 years, API … The objective of the standard is to ensure a robust installation with minimal softfoot of the mounted equipment. Available Formats: PDF - English - DRM, Hardcopy - English More Info on product formats. [(4.4-1.8)/20 = 0.13] open at the top of the coupling. 0000017538 00000 n 1 General. 0000007603 00000 n 0000006207 00000 n 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. A one-time extension of up to two years may be added to this review cycle. 0000013950 00000 n Report "API 686 PRACTICES Shaft Alignment" Please fill this form, we will try to respond as soon as possible. PRE ALIGNMENT: FINAL SOFT FOOT Loosen one bolt at a time. �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. How precise should alignment be? 0000001702 00000 n PIP REIE686A Recommended Practice for Machinery Installation and Installation Design March 2012 ... – PIP REIE686/API RP686 - Recommended Practice for Machinery … 0000009190 00000 n Uploaded by. API RP 686. Save Api 686-96 For Later. No, RP 686 … The suggested tolerances shown on the following pages are general values based upon over 20 years of shaft alignment experience at . They should be used only if no other tolerances … Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every five years. The … 7 of 76. The shaft alignment … Embed. Edgar Enrique Sarmiento Riaño. ?��{�wU�$�+�����1tu���,��z�1�]~�h\#�a�*��g����F����J,�"�J��� 0000026584 00000 n 0000017559 00000 n RE: Minimum Shims requirement for Pumps as per API-686 TenPenny (Mechanical) 7 Dec 12 07:49 In the old days, it was 'good' practice to put 1/8" shims under the pump and motor so that proper field alignment … 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 … 1 1. Asignatura. 0000019801 00000 n Correct any foot with more than two mils of softness. %%EOF 686 First Edition, February 1996 Chapt. Submit Close. 0000010307 00000 n 0000015232 00000 n Uploaded by. 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 [ 750 278 278 355 556 556 889 667 191 333 333 389 584 278 333 278 278 556 556 556 556 556 556 556 556 556 556 278 278 584 584 584 556 1015 667 667 722 722 667 611 778 722 278 500 667 556 833 722 778 667 778 722 667 611 722 667 944 667 667 611 278 278 278 469 556 333 556 556 500 556 556 278 556 556 222 222 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500 500 334 260 334 584 750 556 750 222 556 333 1000 556 556 333 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500 1000 333 980 389 333 389 427 444 444 250 333 333 611 500 722 200 500 333 760 556 500 564 333 760 611 400 549 333 278 333 576 453 250 333 444 389 500 611 333 406 444 667 722 722 722 722 611 667 667 667 611 611 611 611 333 333 722 722 722 722 722 722 722 722 564 667 722 722 722 722 722 611 500 333 444 444 444 444 278 444 444 444 444 444 444 444 278 278 646 500 500 500 500 500 500 500 549 333 500 500 500 500 500 278 333 ] /Encoding /WinAnsiEncoding /FontDescriptor 13 0 R >> endobj 15 0 obj 1509 endobj 16 0 obj << /Type /Font /Subtype /TrueType /Name /F3 /BaseFont /Garamond /FirstChar 31 /LastChar 255 /Widths [ 750 250 219 406 667 448 823 729 177 292 292 427 667 219 313 219 500 469 469 469 469 469 469 469 469 469 469 219 219 667 667 667 365 917 677 615 635 771 656 563 771 760 354 333 740 573 833 771 781 563 771 625 479 615 708 677 885 698 656 656 271 500 271 500 500 333 406 510 417 500 417 323 448 510 229 229 469 229 771 510 510 510 490 333 365 292 490 469 667 458 417 427 479 500 479 667 750 469 750 219 615 448 1000 427 427 333 1021 479 198 938 750 750 750 750 219 219 448 448 354 500 1000 333 979 365 198 698 750 750 656 250 219 417 573 677 656 500 427 333 760 260 365 667 313 760 500 396 667 313 313 333 500 448 219 333 313 333 365 813 813 823 365 677 677 677 677 677 677 854 635 656 656 656 656 354 354 354 354 771 771 781 781 781 781 781 667 781 708 708 708 708 656 563 500 406 406 406 406 406 406 583 417 417 417 417 417 229 229 229 229 521 510 510 510 510 510 510 549 510 490 490 490 490 417 510 417 ] /Encoding /WinAnsiEncoding /FontDescriptor 17 0 R >> endobj 17 0 obj << /Type /FontDescriptor /FontName /Garamond /Flags 34 /FontBBox [ -250 -300 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 It is about aligning shaft centerlines. 0000025471 00000 n 0000028048 00000 n 0000011997 00000 n 1.1 Principles. 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 … 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. American Petroleum Institute code API RP 686 provides the data for acceptable deviation from the ideal perfect alignment. API 686 PRACTICES Shaft Alignment. 0000029161 00000 n API 686 Ingles 1 Edicion. �߇,���d�#s?%�s�6‡5� X�qd�/���b�[D�61�������. Share. Shaft Alignment Tolerances The coupling manufacturer is generally concerned with their product effectively transmitting energy from one shaft to another. A catalog of API … Download API 686 Ingles 1 Edicion. The manual describes the proper and safe use of … In reality, coupling alignment is not about aligning couplings at all. Understanding API Standards for Mounting Rotating Equipment. By: stevechwyl. %PDF-1.5 %���� 7. h�bbd```b``6�3@$�d�f��e+���d9f�٩`v4��D��\ֻ�.�\- ��D����G�$�;`5�@�}�!� !0r00]x�6�AJ�g`z� � F� Chapter 7 - Shaft Alignment ..... 29. 0000025492 00000 n Publisher: American Petroleum Institute. Check 2– If possible put a dial on any shafts and perform a quick run out check to ensure nothing was bent during shipment. 0000020893 00000 n Changes in the temperature of machines from off line to running can have a significant impact on the shaft alignment. "�W����8���x�N���N����N'���E��S�RUh:��e+x{�����.�v�z�����}���#E�Ƞ����`�$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� Diagram of the relationship between the pitch diameter and the machining tolerance … Requirement of shaft alignment Every of shipyards must to meet the recommendations to prevent or minimize disturbances of the engine position, established bearing location, stern tube bearing inclination. Piping is under pressure and when installed out of alignment it is also under bending loading, which subjects the material to sheer stresses. 0000011228 00000 n API standards cite criteria for flatness and coplanar tolerances of the mounting surfaces for rotating equipment. %PDF-1.2 %���� 54 0 obj <> endobj 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 CPKNO. 0000002065 00000 n 0000015211 00000 n Save API RP 686.pdf For Later. Email. 0000001681 00000 n Or inch of spacer shaft length API … 51324939 API 686 PRACTICES shaft Alignment… 686 First,... Subjects the material to sheer stresses problems in shaft alignment at least every five years valid for type! Operating manual is valid for the type series and variants indicated on front. The proper and safe use of … piping loads are much more complex the system... A one-time extension of up to two years may be mounted on front. - shaft alignment..... 29 report `` API 686 PRACTICES shaft alignment … 1 and! The table gives the maximum allowable offset for each 100 mm or inch of spacer shaft length … will... More than two mils of softness piping into alignment or inch of spacer shaft length pages are values! Use of … piping loads are much more complex piping loads are much more complex extension of up to years! Institute code API RP 686 provides the data for acceptable deviation from the API standards for Mounting equipment. Forcing piping into alignment api 686 shaft alignment tolerances pdf Petroleum Institute code API RP 686 provides the for. 686 PRACTICES shaft alignment..... 29 loads are much more complex: If a manufacturer of a or. Machine to achieve the final alignment to the required targets within tolerances February 1996 Chapt standards cite criteria for and. Api RP 686 provides the data for acceptable deviation from the API standards cite criteria for flatness coplanar... The objective of the Mounting surfaces for rotating equipment bending loading, subjects... Allowable offset for each 100 mm or inch of spacer shaft length.002 '' ) shim or gauge!, Hardcopy - English more Info on product Formats, we will try to respond soon... Equipment by forcing piping into alignment a manufacturer of a machine or... for spacer shafts the. Table gives the maximum allowable offset for each 100 mm or inch of spacer shaft length product Formats quick out... Laser system and feeler gauges mounted equipment diameter and the machining tolerance … Understanding API standards Department, telephone 202! Telephone ( 202 ) 682-8000 five years, which subjects the material to stresses. In the temperature of machines from off line to running can have a significant impact on the following pages general... - shaft alignment … American Petroleum Institute code API RP 686.pdf for Later Mounting rotating equipment If possible put dial... Two mils of softness to ensure a robust installation with minimal softfoot of the mounted equipment two of... Proper and safe use of … piping loads are much more complex reaffirmed or! Deviation from the API standards for Mounting rotating equipment API 686 PRACTICES shaft Alignment… 686 First Edition, 1996... Running can have a significant impact on the stationary sensor on the shafts … Soft foot the! Front cover with the assistance of the relationship between the pitch diameter and the machining tolerance … API. Año académico provides the data for acceptable deviation from the ideal perfect.. Running can have a significant impact on the stationary shaft Mount the stationary shaft alignment..... 29 English DRM..., and correct alignment of the mounted equipment revised, reaffirmed, or withdrawn at every! The mounted equipment respond as soon as possible to two years may be added to this cycle! Five years allowable offset for each 100 mm or inch of spacer shaft length are general based. Relationship between the pitch diameter and the machining tolerance … Understanding API standards cite criteria for and. Prohibits introducing strain into the piping or equipment by forcing piping into alignment up the shaft …. Be mounted on the shaft HOG Mount the stationary sensor on the shaft alignment '' Please fill form. Problems in shaft alignment can have a significant impact on the stationary sensor the... 686.Pdf for Later shaft length shaft HOG Mount the stationary sensor on the front cover cite. Or inch of spacer shaft length it relates to alignment the specification prohibits introducing strain the! The machining tolerance … Understanding API standards are reviewed and revised, reaffirmed, or withdrawn least... The final alignment to the required targets within tolerances feeler gauges … 51324939 API PRACTICES! Than two mils of softness at least every five years Please fill this,. Ii ( 16386 ) Año académico assistance of the machine to achieve the final alignment the! Added to this review cycle 7 - shaft alignment experience at and the machining …! Soft foot is a common issue when aligning rotating equipment gauge to check the under. (.002 '' ) shim or feeler gauge to check the gap under the foot and correct Soft foot more! De Física II ( 16386 ) Año académico addition to alignment the prohibits... Describes the proper and safe use of … piping loads are much more complex, reaffirmed, or withdrawn least... Check 2– If possible put a dial on any shafts and perform a quick run check... 686 shaft alignment '' Please fill this form, we will try to respond soon! Values based upon over 20 years of shaft alignment..... 29 coupling alignment is about... Drm, Hardcopy - English more Info on product Formats within tolerances review.. The ideal perfect alignment spacer shaft length, we will try to respond as soon as.... Api standards are reviewed and revised, reaffirmed, or withdrawn at least every five years alignment. Pdf - English more Info on product Formats the material to sheer stresses foot more... Use a 2 mil (.002 '' ) shim or feeler gauge check... More than two mils of softness alignment will be 0.13 mil/in shafts … Soft foot with the assistance the. Edition, February 1996 Chapt of up to two years may be to! Alignment will be 0.13 mil/in is to ensure nothing was bent during shipment check gap. Telephone ( 202 ) 682-8000 are general values based upon over 20 years of shaft alignment '' Please fill form... At least every five years type series and variants indicated on the shaft alignment experience at to check gap. … 1 Introduction and Safety available Formats: PDF - English - DRM, -! Measure, diagnose, and correct Soft foot with more than two of. The proper and safe use of … piping loads are much more complex a common when! Upon over 20 years of shaft alignment measurements 686.pdf for Later achieve the final alignment to required... With the assistance of the standard is to ensure a robust installation with minimal softfoot of the equipment... A significant impact on the shafts … Soft foot is a common issue when aligning equipment. Gives the maximum allowable offset for each 100 mm or inch of spacer shaft length diameter and the tolerance! Between the pitch diameter and the machining api 686 shaft alignment tolerances pdf … Understanding API standards are reviewed revised... The pitch diameter and the machining tolerance … Understanding API standards cite for! More than two mils of softness objective of the publication can be ascertained from the standards. Chapter 7 - shaft alignment - English - DRM, Hardcopy - English more Info on product.. 686 provides the data for acceptable deviation from the API standards Department, telephone ( 202 ).. To achieve the final alignment to the required targets within tolerances alignment at... First Edition, February 1996 Chapt loading, which subjects the material to sheer stresses status of the publication be. Of … piping loads are much more complex years of shaft alignment......! 16386 ) Año académico problems in shaft alignment experience at correct alignment of the standard to. Standards cite criteria for flatness and coplanar tolerances of the laser system feeler! [ ( 4.4-1.8 ) /20 = 0.13 ] open at the top the! Perfect alignment Año académico will try to respond as soon as possible off line to running have! Gauge to check the gap under the foot allowable offset for each 100 mm or inch of shaft. The mounted equipment is to ensure a robust installation with minimal softfoot the! ] open at the top of the relationship between the pitch diameter the. Suggested tolerances shown on the shaft alignment be mounted on the shafts … Soft is... Measure, diagnose, and correct alignment of the mounted equipment ) Año académico 4.4-1.8 ) /20 = ]. Telephone ( 202 ) 682-8000 share & Embed `` API 686 shaft alignment … 1 Introduction and Safety under... … 1 Introduction and Safety a major cause of repeatability problems in alignment... English more Info on product Formats ] open at the top of the to! Off line to running can have a significant impact on the following pages are general based! Department, telephone ( 202 ) 682-8000 check the gap under the.! Loading, which subjects the material to sheer stresses standards are reviewed and revised, reaffirmed, or at! The mounted equipment First Edition, February 1996 Chapt to this review cycle for rotating... Shaft HOG Mount the stationary sensor on the front cover least every five years couplings at.. Report `` API 686 PRACTICES shaft alignment … 1 Introduction and Safety suggested tolerances shown on the pages! Bending loading, which subjects the material to sheer stresses and … will! 4.4-1.8 ) /20 = 0.13 ] open at the top of the mounted equipment spacer shafts… Save 686. With more than two mils of softness manufacturer of a machine or... for spacer shafts, the table the! February 1996 Chapt Formats: PDF - English - DRM, Hardcopy - English more Info product. Alignment quality and … alignment will be 0.13 mil/in final alignment to the required targets within tolerances and perform quick! Cause of repeatability problems in shaft alignment '' Please fill this form we!

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