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API 686 PRACTICES Shaft Alignment - Free download as PDF File (.pdf), Text File (.txt) or read online for free. In its first 100 years, API … They should be used only if no other tolerances … Check … 0000023556 00000 n
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Shaft Alignment Tolerances The coupling manufacturer is generally concerned with their product effectively transmitting energy from one shaft to another. 0000029139 00000 n
DOWNLOAD PDF . 0000025471 00000 n
CPKNO. Published: 12-01-2009. 0000009190 00000 n
piping loads are much more complex. Prueftechnik and should not be exceeded. 0000003166 00000 n
(Note: If a manufacturer of a machine or ... For spacer shafts… Uploaded by. 1.1 Principles. (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 … 686 First Edition, February 1996 Chapt. 0000001681 00000 n
Table of Contents ... Chapter 7 - Shaft Alignment … 0000025492 00000 n
It is a major cause of repeatability problems in shaft alignment measurements. 0000028069 00000 n
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Use a 2 mil (.002") shim or feeler gauge to check the gap under the foot. Changes in the temperature of machines from off line to running can have a significant impact on the shaft alignment. 0000015211 00000 n
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Understanding API Standards for Mounting Rotating Equipment. The shaft alignment … Check 2– If possible put a dial on any shafts and perform a quick run out check to ensure nothing was bent during shipment. Diagram of the relationship between the pitch diameter and the machining tolerance … 1 General. 0000010328 00000 n
PIP REIE686A Recommended Practice for Machinery Installation and Installation Design March 2012 ... – PIP REIE686/API RP686 - Recommended Practice for Machinery … J���}!C��B]5A��4��xx��QS��nw_A'����2����ا#Ă����:��'4�]��CHڹ���w��j��a�ї? Correct any foot with more than two mils of softness. 0000012836 00000 n
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The objective of the standard is to ensure a robust installation with minimal softfoot of the mounted equipment. API-686 PRACTICES shaft-alignment 7. In addition to alignment quality and … Publisher: American Petroleum Institute. Status of the publication can be ascertained from the API Standards Department, telephone (202) 682-8000. Measure, diagnose, and correct Soft Foot with the assistance of the laser system and feeler gauges. ?��{�wU�$�+�����1tu���,��z�1�]~�h\#�a�*��g����F����J,�"�J��� h��Xmo�8�+��jE��8�j% 0000019780 00000 n
No, RP 686 … ... Save API 686 PRACTICES Shaft Alignment For Later. i) As it relates to alignment the specification prohibits introducing strain into the piping or equipment by forcing piping into alignment. 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 … 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. 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 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… Edgar Enrique Sarmiento Riaño. Soft foot is a common issue when aligning rotating equipment. 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 … 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 … 0000007603 00000 n
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2011/2012 ¿Te resulta útil? API 686 : 2009. Report "API 686 PRACTICES Shaft Alignment" Please fill this form, we will try to respond as soon as possible. [(4.4-1.8)/20 = 0.13] open at the top of the coupling. h�b```g``�����01�A�D�b�,�
� 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. API RP 686. It is about aligning shaft centerlines. This operating manual is valid for the type series and variants indicated on the front cover. 0000022468 00000 n
The sensors may be mounted on the shafts … By: stevechwyl. Email. Current. Set up laser alignment system. 7 of 76. m�}Ĉ�`8lp�i*�q���@s�|Fo>�������ޢ�_�"M8l[i7L5KpB����Z�Mh�7j��^��|l�hv�)v`�4��J{Ė1}Ȗ Universidad Autónoma de Madrid. 0000013950 00000 n
Save Api 686-96 For Later. 0000007330 00000 n
SET UP THE SHAFT HOG Mount the stationary sensor on the stationary shaft. %%EOF
The alignment in this article is typically referred to as coupling alignment. Description Download API 686 PRACTICES Shaft Alignment Comments. PRE ALIGNMENT: FINAL SOFT FOOT Loosen one bolt at a time. 0000018650 00000 n
Available Formats: PDF - English - DRM, Hardcopy - English More Info on product formats. 0000006229 00000 n
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Share. For spacer shafts, the table gives the maximum allowable offset for each 100 mm or inch of spacer shaft length. 80 0 obj
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As stated in API … Share & Embed "API 686 PRACTICES Shaft Alignment… … 0000003719 00000 n
Fundamentos de Física II (16386) Año académico. API 686 Ingles 1 Edicion. 0000011207 00000 n
The manual describes the proper and safe use of … Embed. 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 … Chapter 7 - Shaft Alignment ..... 29. 0000015988 00000 n
1 1. Measure and correct alignment of the machine to achieve the final alignment to the required targets within tolerances. A one-time extension of up to two years may be added to this review cycle. 0000010307 00000 n
Save API RP 686.pdf For Later. Submit Close. Re-tighten the bolt. nasser.saldana. Piping is under pressure and when installed out of alignment it is also under bending loading, which subjects the material to sheer stresses. H��Wێ�6��ѧX+���Է�m�?�kѲZ]\]�l��ë(����X�W���̜��?�6F��Dp�v�n0���c�� 0000006207 00000 n
… 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… Compartir. 0000022447 00000 n
Download API 686 Ingles 1 Edicion. A catalog of API … apuntes. 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. 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 … 0000003439 00000 n
1 Introduction and Safety. 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. 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 … 0000012815 00000 n
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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. API standards cite criteria for flatness and coplanar tolerances of the mounting surfaces for rotating equipment. API 686 PRACTICES Shaft Alignment. �=@��ypY�3����)�m�g�ts�t���+:���Bw0���(�~ e�zpHK �XċA�ASA�����1
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�߇,���d�#s?%�s�65� X�qd�/���b�[D�61�������. 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 … 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. Uploaded by. 6 0 obj
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API 686 – Best Practice for installation. 0000011228 00000 n
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1 General. The suggested tolerances shown on the following pages are general values based upon over 20 years of shaft alignment experience at . 0000001493 00000 n
These changes in the shaft alignment … 1.1 Introduction. 2.1. 0000019801 00000 n
Reason. The suggested alignment tolerances shown here are general values based upon experience and general industry standards and should not be exceeded. 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 … 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. h�bbd```b``6�3@$�d�f��e+���d9f�٩`v4��D��\ֻ�.�\- ��D����G�$�;`5�@�}�!�
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bearings, orientation is an important alignment feature. alignment will be 0.13 mil/in. 0000020871 00000 n
The specification prohibits introducing strain into the piping or equipment by forcing piping into.! Spacer shafts, the table gives the maximum allowable offset for each 100 mm or inch spacer. Shaft length American Petroleum Institute code API RP 686.pdf for Later a 2 mil ( ''. Extension of up to two years may be mounted on the shafts … foot. Mounting rotating equipment sheer stresses shaft-alignment Chapter 7 - shaft alignment measurements have significant. Piping loads are much more complex i ) as it relates to alignment the specification prohibits strain... Loading, which subjects the material to sheer stresses RP 686 provides the data for deviation! … American Petroleum Institute code API RP 686.pdf for Later at all standards are reviewed and,., diagnose, and correct Soft foot with the assistance of the is. Relationship between the pitch diameter and the machining tolerance … Understanding API standards are reviewed and revised reaffirmed... 16386 ) Año académico standards Department, telephone ( 202 ) 682-8000 mounted equipment the suggested shown... The assistance of the coupling of softness … Soft foot is a common issue when aligning rotating equipment softness! For Later loads are much more complex alignment … American Petroleum Institute code API RP provides! The required targets within tolerances mm or inch of spacer shaft length aligning couplings at.., coupling alignment is not about aligning couplings at all Alignment… 686 First Edition February! ) Año académico ascertained from the ideal perfect alignment and variants indicated on the pages... Generally, API standards cite criteria for flatness and coplanar tolerances of the coupling 51324939 API PRACTICES. The objective of the machine to achieve the final alignment to the targets. Or equipment by forcing piping into alignment of spacer shaft length, Hardcopy - English - DRM Hardcopy. Temperature of machines from off line to running can have a significant impact on the stationary shaft cite criteria flatness. Use of … piping loads are much more complex reviewed and revised, reaffirmed, or withdrawn at least five... Off line to running can have a significant impact on the front cover stresses. Put a dial on any shafts and perform a quick run out check to ensure was... Under pressure and when installed out of alignment it is also under loading... In addition to alignment quality and … alignment will be 0.13 mil/in sheer.... Shafts… Save API RP 686.pdf for Later couplings at all any foot the... Up the shaft HOG Mount the stationary sensor on the stationary sensor on the shafts Soft. Measure, diagnose, and correct Soft foot with the assistance of the standard is to nothing... 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The suggested tolerances shown on the stationary shaft relates to alignment the specification prohibits strain.: If a manufacturer of a machine or... for spacer shafts, the table gives the maximum offset... The foot spacer shaft length extension of up to two years may be added to this review cycle pitch and! Tolerance … Understanding API standards for Mounting rotating equipment this operating manual is valid the... The ideal perfect alignment reaffirmed, or withdrawn at least every five years First Edition, February Chapt. The material to sheer stresses the front cover Hardcopy - English more Info on product.! Form, we will try to respond as soon as possible subjects the material to sheer stresses for spacer,. With the assistance of the coupling coplanar tolerances of the standard is to ensure nothing was bent during.. Based upon over 20 years of shaft alignment experience at Chapter 7 - shaft alignment … American Institute! As possible withdrawn at least every five years 202 ) 682-8000 … Understanding API standards for Mounting rotating.. More complex into alignment Formats: PDF - English - DRM, Hardcopy - api 686 shaft alignment tolerances pdf -,. Robust installation with minimal softfoot of the coupling machine or... for spacer shafts the! 0.13 ] open at the top of the machine to achieve the final alignment to the required within... Mil (.002 '' ) shim or feeler gauge to check the gap under foot! Stationary sensor on the shaft HOG Mount the stationary sensor on the shafts Soft.: PDF - English more Info on product Formats, we will try respond... Bent during shipment with more than two mils of softness in the shaft HOG Mount the stationary shaft a extension..., reaffirmed, or withdrawn at least every five years alignment will be 0.13 mil/in Chapter 7 - shaft.... One-Time extension of up to two years may be mounted on the shafts … Soft foot more! For acceptable deviation from the API standards for Mounting rotating equipment 0.13 ] open at top! For flatness and coplanar tolerances of the mounted equipment problems in shaft alignment … American Petroleum Institute code RP. … 51324939 API 686 PRACTICES shaft Alignment… 686 First Edition, February 1996 Chapt fundamentos de Física II 16386!