WE GET YOU MOVING! - NTN SNR ?· WE GET YOU MOVING... NTN-SNR as part of the NTN Corporation has been…

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  • With Youwww.ntn-snr.com

    WE GET YOU MOVING!

  • WE GETYOU MOVING...

    NTN-SNR as part of the NTN Corporation has been one of

    the most innovative companies in this sector for decades.

    The NTN Group is one of the largest roller bearing manufacturers

    in the world.

    This position allows us to provide our customers with a high level

    of added value regarding service, quality and product range. As a

    result, we have been able to build a strong image as a competent

    partner for our customers. Our companies are characterized by

    global presence and a consistent quality system.

    NTN-SNR has been established in the linear technology market

    since 1985 and strives to offer a complete and competitive

    product range. This catalogue provides an overview of our profile

    rail range. This innovative range is based on a patented ball chain

    system and a broad product range. Our external long-term tests

    prove that our production strictly adheres to the high NTN-SNR

    quality standards. We also provide a wide range of technical

    innovations.

    Our sales support and applications engineers are always on hand

    to you to offer you optimal support. Globally! Supplies from our

    European Warehouse in Germany ensure fast delivery.

    Rail guides are used in a variety of applications such as: machine

    tool construction, packaging and printing machine construction,

    building of general and special machines, aeronautical

    construction, automation and assembly lines, the timber and

    semiconductor industries, medical technology and many others.

    Our consulting and planning service is based on many years of

    interdisciplinary experience.

    This technical catalogue forms the basis of our discussions with

    you. Our sales and applications engineers will gladly help you

    with their expertise. We are looking forward to your enquiries.

    Our goal is to achieve joint, constructive solutions.

    Product quality, economic efficiency and high user benefits

    are the basis of a strategic partnership between NTN-SNR and

    you our customer.

    NTN-SNR does not acknowledge any liability for any errors and omissions deficiencies occurring - despite our great care with reference to the publication of this technical catalog. We are entitled to make any complete or partial changes to products or characteristics/data in/of this document in accordance to our continous research and development policy, without prior notice.NTN-SNR Copyright International 2017

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    Table of contents 1. Basics of linear guides . . . . . . . . . . . . . . . . . . . . .41.1 Design principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.2 Ball chain technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81.3 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121.4 Selection criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

    2. System technology . . . . . . . . . . . . . . . . . . . . . . 142.1 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142.2 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142.3 Coordinate system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152.4 Static safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152.5 Service life time calculation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162.5.1 Influencing factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172.5.2 Active load - equivalence factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202.5.3 Equivalent loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232.5.4 Calculation examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262.6 Preload/rigidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352.6.1 Preload classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352.6.2 Rigidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372.7 Precision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382.7.1 Precision classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382.7.2 Interchangeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402.7.3 Error compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402.8 Drive power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412.8.1 Friction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412.8.2 Driving resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422.8.3 Driving force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

    3. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-563.1 Arrangement of the installation surfaces . . . . . . . . . . . . . . . . . . . . . . . . . 453.2 Identification of linear guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473.3 Arrangement of linear guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483.4 Installation position of a linear guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493.5 Installation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 503.6 Permitted installation tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 523.7 Fastening torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

    4. Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . 57-694.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 574.2 Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 574.2.1 Anti-corrosion oils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 584.2.2 Lubrication oils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 584.2.3 Low-viscosity greases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 594.2.4 Lubrication greases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604.3 Lubrication methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 614.4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 634.4.1 Grease nipples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 634.4.2 Lubrication connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 654.4.3 Lubrication adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 664.4.4 Grease guns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 664.4.5 Automated lubricant dispenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 674.5 Lubricant volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 674.6 Lubrication intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

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    5. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . 70-735.1 Sealing Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705.1.1 Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705.1.2 Combination options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 715.1.3 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 725.2 Rail caps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 735.3 Bellows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745.3.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745.3.2 Assembly of bellows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745.3.3 Designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755.4 Cover strip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755.4.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755.4.2 Mounting tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 755.4.3 Designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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