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Summary of Contents for SKF VIBRACON
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Page 2: Executive Summary
Universal refers to the fact accommodates angular differences up to 4°. that an SKF Vibracon chock can be used instead of rigid steel chocks, steel shims or epoxy resin. In this application guide we will inform you about all Re-adjustable refers to the possibility of re- aspects of the SKF Vibracon chock. -
Page 3: Table Of Contents
2.1.4 Marine ............6 5.1.1 Extended bottom ring ........18 2.1.5 Navy ............... 7 5.1.2 Extended top plate for Vibracon Low Profile 19 2.1.6 EPC ............... 7 5.1.3 Additional Bottom Rings ....... 19 2.1.7 Material handling ..........8 Additional products ..........20 SKF Vibracon Products .......... - Page 4 9.1.11 How handle non-standard product orders/enquiries? ............46 9.1.12 I or my contact person at SKF cannot find the right product in COH / Prodmast? ......46 9.1.13 What is the delivery time? ......46 Technical questions ..........46 9.2.1 What is the difference between machine load, element load, proof load and failure load? ....
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Page 5: Markets
SKF Vibracon chock Application and Installation Guide 2. Markets Although originally designed for industrial use the SKF Vibracon chock became better known when applied in the marine environment. However, the product is being applied in many more industries. When components are pre-mounted on a steel base frame, a so called skid, the necessity for initial, intermediate and final alignment is apparent. -
Page 6: Packagers Oil & Gas
SKF Vibracon chock Application and Installation Guide In addition to its functionality as a chock, the SKF Vibracon can also be used as a stopper. Typical generator mounting in a generator set. Other installations are mounted on a concrete base, which offer other opportunities for the use of SKF Vibracons. -
Page 7: Navy
For this reason, more and more equipment has to be delivered in a package / as a skid. Chocking of the structure For fast installation the SKF Vibracon chock is used between the skid and the main construction of the plant. -
Page 8: Material Handling
SKF Vibracon chock Application and Installation Guide Preparation of compressor set chocking Exchange of electro motors Compressor set chocked and mounted Details of the SKF Vibracon chock 2.1.7 Material handling In mining applications, valuable minerals are extracted from the earth for further processing. This... -
Page 9: Skf Vibracon Products
The chock has the ability to accommodate up to a 4° angular difference between component o Stainless Steel (DIN 1.4404) and the mounting base. The SKF Vibracon chock is o Carbon Steel (DIN 1.1191 / 1.0570) installed within a short time-span, mainly without the... -
Page 10: Stainless Steel
3.2.4 Alloy Steel – Surface Treated For aggressive environments (e.g. Off Shore and on The SKF Vibracon treated Low Profile chock offers deck applications) we advise the use of the Stainless an economic solution for repair projects or fixed Steel version of the SKF Vibracon. The stainless... -
Page 11: Material Comparison
SM 42 -SS SM 48 -CS SM 48 -CSTR SM 48 -SS With the Vibracon chock no curing time is needed as SM 56 -CS SM 56 -CSTR with epoxy resin, it eliminates the trial and error SM 64 -CS SM 64 -CSTR alignment process characteristics for the “mill and... -
Page 12: No Machining Of The Base Frame Required
SKF Vibracon chock Application and Installation Guide the spherical top plate of the Vibracon this potential 3.4.3 No on site problems to arrange or install shims. risk can be eliminated. Especially in case of angular soft foot, the use of cut or peel-off shims can be the cause of insufficient support area. -
Page 13: No Preparation And Curing Time Like Epoxy Resin
Installing machinery on epoxy compounds or grouts consists of a time-consuming procedure from preparation to application to verification. When time is of the essence, SKF Vibracon will ensure a perfect result in a fraction of the time. 3.4.7 No time-consuming fitting and grinding... -
Page 14: Saving On Quayside Costs
50%. the drydock, the alignment check and (if required) realignment has to be carried out after the ship has been launched. 3.4.11 Complete product range The SKF Vibracon product range offers a solution for every application ranging small industrial 3.4.9... -
Page 15: Commercial Advantages
To secure vital uptime. 3.5 Commercial advantages The SKF Vibracon chocks are tightened with decent forces so that the SKF Vibracon will remain in the The SKF Vibracon chock is the most economical same position during operation of the machinery. -
Page 16: Design Instructions
As a rule of thumb the minimum clamping length Very Important: If the size of the SKF Vibracon should be 5 times the bolt diameter. chock is smaller than the corresponding size of the bolt which the manufacturer has determined, then please select the chock that fits to this bolt size. - Page 17 SM 56 -CS/ -CSTR/ -SS 56x5,5 10035 SM 64 -CS/ -CSTR/ -SS 64x6 15165 The SKF Vibracon is equipped with a bolt hole that can accommodate larger bolts. Below an identical overview where one bolt size bigger has been selected. SKF Vibracon model Bolt...
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Page 18: Extended Vibracon Models
In cases where the available chock heights require an extended SKF Vibracon solution there are several options to choose from. There is the option to use an extended SKF Vibracon chocks as well as the application of Additional Bottom Rings. Designation Max. -
Page 19: Extended Top Plate For Vibracon Low Profile
SKF Vibracon chock Application and Installation Guide SKF Vibracon Extended models – Stainless Steel This option is applicable to SKF Vibracon Low Profiles only applicable when there is a preference for having a maximum 3 component chock. SKF Vibracon Extended Top plates for Vibracon Designation Max. -
Page 20: Additional Products
SKF Vibracon chock Application and Installation Guide 5.2 Additional products 5.2.1 Adjustment tools The SKF Vibracon adjustment tools are especially designed for safe height alteration of the SKF Vibracon chocks. SKF Vibracon adjustment tool set for SKF Vibracon Metric Imperial Suitable Height over over... -
Page 21: Skf Vibracon Protection Cover
SKF Vibracon chock Application and Installation Guide SKF Vibracon adjustment tool set for SKF Vibracon Low Profile Designation Set of 2 tools suitable for following sizes: SMAT 006 LP3 SM 16 LP-ASTR SM 20 LP-ASTR SMAT 008 LP4 SM 24 LP-ASTR... -
Page 22: Spherical Washer Standard Height
1,81 1,34 5.3.3 Foundation bolts SKF advise to use 8.8 graded bolts, yield strength > 630 N/mm², as a minimum requirement in SKF Vibracon applications. Alternative bolt materials can be used after review from our engineering team. For achieving the perfect mounting, we advise to ensure... -
Page 23: Mounting Kit
SKF Vibracon chock Application and Installation Guide In order to meet the requirements of properly mounting these resilient mounts the Vibracon mounting kit has been developed. The kit makes it easy to comply with manufacturers’ installation requirements and saves time in the chocking process. -
Page 24: Skf Spherical Shim
SKF Vibracon chock Application and Installation Guide SKF Resilient mounting kit (metric dimensions) Larger sizes or other dimensions are available on request. Metric (mm) Designation Min - Max 5.3.7 SKF Spherical Shim SM BP4 16LPAST 25 - 35 SKF Spherical Shims... - Page 25 SKF Vibracon chock Application and Installation Guide The SKF Spherical Shim can be used in SKF Spherical Shim (Imperial dimensions) combination with traditional shims. By adding traditional shims on top of the SKF Spherical Shim, which should be placed with the spherical plate on the bottom, the required height can be achieved.
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Page 26: Technical Support
SKF Vibracon chock Application and Installation Guide 6. Technical Support 6.1.1 SKF Vibracon Checklist To determine the correct Vibracon chock for an application, SKF provides the SKF Vibracon Chocking Proposal as a complimentary service. Based on the characteristics of the to be chocked... - Page 27 SKF Vibracon chock Application and Installation Guide Cross section of the bolted connection which can be used for instruction of the engineer to install. 2018 – version 2...
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Page 28: Installation Instructions
SKF Vibracon chock Application and Installation Guide 7. Installation instructions Required tools and materials Materials in the plastic bag are non-standard SKF products Keep boxes closed till further notice For compensation of compression of the total package during tightening of the foundation bolt it is advised to position the component 0,1 mm (0.004 inch) above target. - Page 29 SKF Vibracon chock Application and Installation Guide Visual inspection of the lower side of the base plate. Surface should be free from damages, dirt and rust. Paint is not recommended and can have an negative impact on the clamping force of the foundation bolt.
- Page 30 SKF Vibracon chock Application and Installation Guide Measure the actual available chocking height at each mounting position. Compare the actual measured height with the Maximum element height that is engraved on the outside of the Vibracons bottom ring or printed on the box.
- Page 31 SKF Vibracon chock Application and Installation Guide Clean the top of the product with a clean cloth. Clean the bottom of the product with a clean cloth. Product is marked with a batch number for traceability purposes. Check the batch number located at the outer circumference of bottom ring.
- Page 32 SKF Vibracon chock Application and Installation Guide Slide in the product from the side at all the foundation bolt hole positions. Center the position of the product concentric with the bolt hole Install the product in a position that it is easy to read the batch number.
- Page 33 SKF Vibracon chock Application and Installation Guide The bottom ring of the product should be completely, 100%, supported by the support construction. The top plate of the product should be covered by the component foot by at least 75% Execute a so called wobbling / rocker test to check the quality of the contact surface between product and support construction.
- Page 34 SKF Vibracon chock Application and Installation Guide Check the flatness / contact area by the use of a feeler gauge of 0,05 mm (0.002 inch). Adjust the center ring by using two rods or a pin wrench which fit in the circular holes in the outer circumference of the center ring and the bottom ring.
- Page 35 SKF Vibracon chock Application and Installation Guide Check positioning of the top plate compared to the lower side of the component surface. Top plate has to swivel in the right angle. From field experience we advise to make use of a flashlight for an easy check of the contact between the Vibracon chock and the component.
- Page 36 SKF Vibracon chock Application and Installation Guide To avoid bending forces on the bolt which have an influence on the fatigue of the bolt, SKF recommends the use of the SKF Spherical Washer to create a plan parallel mating surface under the hexagonal bolt head and the hexagonal nut.
- Page 37 SKF Vibracon chock Application and Installation Guide In case the number of runs is not given by the OEM SKF advise to tighten the bolts in a minimum of 3 runs: First run : 25% Second run : 50% Third run...
- Page 38 SKF Vibracon chock Application and Installation Guide After the alignment check the horizontal adjustment bolts can be locked with a hexagonal nut. It is advised to keep the adjustment bolts together with the component for use in future. You are done; the component has been successfully mounted on SKF Vibracon chocks.
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Page 39: Marketing And Publications
SKF Vibracon chock Application and Installation Guide PUB 43/P2 16699 EN – May 2016 8. Marketing and publications 8.1 Available brochures and datasheets SKF Vibracon datasheet PUB MP/P8 17660 4 EN – November 2017 SKF Vibracon kit for resilient mounts PUB 43/P2 16778 EN –... -
Page 40: Vibracon Selection App
SKF Vibracon chock Application and Installation Guide 8.2 Vibracon Selection App The SKF Vibracon calculation app is an easy tool to quickly calculate the suitable SKF Vibracon. Available on iOS App Store Google Play Store Baidu App Store Main features 1. - Page 41 With the request for quote function at the end of the calculation it is easy to contact SKF to obtain a quotation for the selected Vibracon models. 2018 – version 2...
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Page 42: Samples And Demonstration Tools
With Vibracon give-aways demonstration tools it is easy to demonstrate the use and present the added value of the SKF Vibracon solutions. The following products are available for this purpose. Give-aways are available as surface treated and stainless steel models. The samples are... -
Page 43: Frequently Asked Questions
We want to point out that the SKF Vibracon check and (if required) realignment has to chock is absolutely not a vibration damper (resilient be carried out after the ship has been mount). -
Page 44: Do We Need Special Skills Or Tools To Use The Vibracon Chocks
In production plants the elements can be used is costly. under all kinds of rotating equipment, and also in production lines which need accurate alignment. When SKF Vibracon chocks will be mounted on a concrete foundation, maximum allowable surface pressure of the existing concrete has to be checked. - Page 45 SKF Vibracon chock Application and Installation Guide All our Vibracon products are supported with Material Certificates. When the batch number engraved on the bottom ring is submitted to vibracon@skf.com, you will receive the material certificates by return email. ISO 9001 Quality Management System In case a copy of the ISO 9001 certificate is required please email vibracon@skf.com.
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Page 46: How To Handle Non-Standard Product Orders/Enquiries
If we consider, for example, the SKF Vibracon SM 30 chock, we can see that we are tightening a M30 bolt against a M95 thread (internal thread size of an SKF Vibracon SM30). It is easy to understand that the SKF Vibracon chock can’t be... -
Page 47: Are There Any Limits To The Chock Height
(for example in cases where no side and the chock. collision stoppers are installed) we also advise to ream the SKF Vibracon chocks. In case of the latter 9.2.7 What to do if we want to have chocks with... -
Page 48: What Information Is Needed To Make A Calculation And A Sketch Of The Chocking Arrangement
8.8, yield strength > 630 N/mm², oil lubricated thread courses and nut mating surfaces without slide additives. As a service to our customers, SKF offers you a chocking proposal, with the advised tightening torque included, for your application free of charge! This and further support can be obtained through vibracon@skf.com. -
Page 49: Appendix 1 - Vibracon Checklist (Metric)
SKF Vibracon chock Application and Installation Guide Appendix 1 - Vibracon checklist (metric) 2018 – version 2... -
Page 50: Appendix 2 - Vibracon Checklist (Imperial)
SKF Vibracon chock Application and Installation Guide Appendix 2 - Vibracon checklist (imperial) 2018 – version 2...
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