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  • Helpful application examples for mechanical engineers.

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  • Online application library with a range of ideas for all manufacturing industries.
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  • MISUMI may not offer all parts in each application design. Available parts can only be purchased separately not as a unit shown in each application design.
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  • The data cannot be used for any purposes (including sales promotion) except for designing your machine.
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  2. Over 300 design application ideas
    collected from dozens of industries!

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Keyword Search
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SNS: 

No.000265 Simplified Clamping Jig

Spring loaded jig for manual operation.

Relevant category

O-Ring

Product name O-Rings - S Series
Part number NSA6
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Effective centering tool used at insertion

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Available sizes

■O-Rings - S Series

Material Hardness
(JIS Hs)
Color Operable
Temperature Range
Usage
Nitrile Rubber 70±5 Black -30~100℃ Mineral Oil Resistant
90±5 Black -25~100℃
Silicon Rubber 50±5 Milky White -50~200℃ Heat Resistant
70±5 Navy
Fluororubber 70±5 Black -15~200℃
90±5 Black

■Sizes and Dimensions (excerpt)

JIS
Nominal Number
Ring I.D. Ring
Wire Dia.
Mating Side Dia.
Fixing Method
External Pressure Internal Pressure
3 φ2.5 φ1.5 φ3 φ5
4 φ3.5 φ4 φ6
5 φ4.5 φ5 φ7
6 φ5.5 φ6 φ8
7 φ6.5 φ7 φ9
8 φ7.5 φ8 φ10
9 φ8.5 φ9 φ11
10 φ9.5 φ10 φ12
11.2 φ10.7 φ11.2 φ13.2
12 φ11.5 φ12 φ14
12.5 φ12 φ12.5 φ14.5
14 φ13.5 φ14 φ16
15 φ14.5 φ15 φ17
16 φ15.5 φ16 φ18
18 φ17.5 φ18 φ20
20 φ19.5 φ20 φ22
22 φ21.5 φ22 φ24
22.4 φ21.9 φ2.0 φ22.4 φ25.4
24 φ23.5 φ24 φ27
25 φ24.5 φ25 φ28
26 φ25.5 φ26 φ29
28 φ27.5 φ28 φ31
29 φ28.5 φ29 φ32
30 φ29.5 φ30 φ33
31.5 φ31 φ31.5 φ34.5
32 φ31.5 φ32 φ35
34 φ33.5 φ34 φ37
35 φ34.5 φ35 φ38

* Please see the product pages for other diameter rings

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Accuracy Info

■Accuracy of the O-ring S series

Ring Wire DIA. Tolerance:

Wire Dia. Tolerance
φ1.5 ±0.1
φ2.0

Parting Surface Burr Height:  0.1 or less

Parting Surface Burr Width:  0.15 or less

Ring I.D. Tolerance;

JIS
Nominal Number
Ring I.D. Tolerance
Nitrile Silicone Fluorine
3~40 5~φ39.5 ±0.15 ±0.45 ±0.30
42~50 φ41.5~ ±0.25 ±0.75 ±0.50

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IDEA NOTE Simplified positioning insertion jig

An O-ring is roughly inserted in the inner guide and then inserted in the assembly counterpart by slightly shrinking its outer shape with the outer guide.

(1) Roughly insert the workpiece (O-ring) in part 201 as a guide.

(2) Set the workpiece (O-ring) at the end of part 202.

(3) Fit part 203 onto the jig and set the jig in the insertion position.

(4) Press part 205 to insert the workpiece.

Tip enlarged view in (3)

Tip enlarged view in (4)

  • TERMS AND CONDITIONS FOR USE OF CAD DATA
    Your access to the CAD data that MISUMI Corporation (hereinafter referred to as the Company) posts on this site (including 3D CAD data, intermediate 3D CAD data and 2D CAD data; hereinafter referred to as the Data) are of products manufactured and/or sold by the Company (hereinafter referred to as the Products) assumes that you have read and accepted these terms and conditions which govern your use of the Data. If you do not agree to these terms and conditions, you must stop using this website and the Data. You must not use the Data for any unlawful purpose or in any manner inconsistent with these terms and conditions.
    1. CAD Data
    The Data is prepared for assisting the Company's users in the CAD design process by providing dimensions and other Product information. In order to provide the best speed and stability working within this site, the Product drawings were simplified to reduce the size of the Data. For instance, some of the Products are shown without the oil groove shape, screws or spring shape. Also, please be aware that the tolerance, surface roughness and/or chamfer of the Data may vary from the actual Products.
    2. Disclaimer on Data
    While the Company has carefully prepared the Data, accuracy of the Data is not guaranteed and is subject to the variances as described above. The Company may also modify, add or delete the Data at any time without prior notice. The Company assumes no liability for any direct, indirect, consequential or special damages that you may claim resulted from your use of the Data or any changes to or deletions of the Data regardless of the reason. The Company provides no warranty as to the quality, accuracy, functionality, safety or reliability of the combination of Products and parts. Example applications and combinations of the Products are provided for illustrative purposes only.
    3. Copyright
    Copyrights to the content and the Data belong to the Company or the manufacturers of the Products. The said copyright is protected by the Copyright Act and international treaties. The use (including duplication, modification, uploading, posting, transmission, distribution, licensing, sales and publishing) of the Data except for the purpose to use the Data described above without prior approval of the Company is not allowed. The Data cannot be used for any purposes (including sales promotion) except for designing your machine. If you violate this provision or the laws or regulations, the Company may prohibit you from the use of the Data, the Company’s site and/or take legal action. So long as you comply with these terms and conditions, the Company grants to you a non-exclusive, non-transferable, revocable license to access and use the Data for the sole purpose of assisting you in designing machines that incorporate products.
    In case that the CAD data is found to have been to be used for any purpose other than mentioned above or against the related laws, MISUMI may take legal actions, including the one for blocking the involved user from using CAD data and from accessing to the MISUMI site.
    4. Disclaimer of Warranty
    ANY AND ALL CONTENT APPEARING ON THIS WEB SITE IS PROVIDED FOR INFORMATIONAL PURPOSES ONLY. THIS WEB SITE, ITS CONTENT AND ITS LINKS ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS AND ARE USED ONLY AT YOUR SOLE RISK, TO THE FULLEST EXTENT PERMISSIBLE BY LAW. THE COMPANY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, OF ANY KIND, REGARDING THIS WEB SITE (INCLUDING ITS CONTENT, HARDWARE, SOFTWARE AND LINKS), INCLUDING AS TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, TITLE, NON INFRINGEMENT, RESULTS, ACCURACY, COMPLETENESS, ACCESSIBILITY, COMPATIBILITY, SECURITY AND FREEDOM FROM COMPUTER VIRUS. THE COMPANY WILL NOT BE LIABLE FOR ANY DAMAGES OR LOSSES, INCLUDING DIRECT, INDIRECT, CONSEQUENTIAL, SPECIAL, INCIDENTAL OR PUNITIVE DAMAGES AND/OR LOST PROFITS, IN CONNECTION WITH USE OF THE INTERNET, THIS WEB SITE, ITS CONTENT OR ITS LINKS
    Further, the Company will not be liable to you for any failure or delay by the Company to provide access to the Data or any of its obligations under these terms and conditions where such failure or delay is the direct or indirect result of any circumstances beyond the Company's reasonable control (and the Company's obligations will be suspended for the duration of such circumstances).
    5. Policy of Third Parties
    You may be required to separately agree to third party's policies if you use third party software to create or browse the Data or use a third party’s CAD data. In this case, the Company does not assume any responsibility for defects of such CAD data or the software of the third party or violation of their rights. Understand them before use.

    CAD Download (Unit Assembly)

    CAD Download: File Format
    生成

    Thank you for downloading the data.

    Click the Good IDEA! button when you find interesting design tips.


    This data is utilized in order to list more useful application examples in the future.

    CAD Data Limitations

    1. Assembly data shows the assembly drawings in the concept design phase. The sole purpose of the data is to explain the structure and functionality of the assembly and is not considered nor to be used as a final design.
      You will need to edit the Data so that it meets your specific design conditions.
    2. Unit assembly Data consists of some sub-assemblies.
      It is configured so that each sub-assembly unit can be used as it is or edited.
    3. * The part in the frame is a sub-assembly unit.

    4. The Data for fabricated parts is based on easy-to-edit dimensions and shapes in sketches and histories.
    5. The dimensions of the MISUMI parts in the Data, which can be specifed at 1mm intervals, can be edited under historical data.
    6. The Data including the third-part components are made by the Company.

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  • * Unit assembly Data consists of some sub-assemblies.
       It is configured so that each sub-assembly unit can be used as it is or edited.

Application Overview

Purpose

  • The device in this application example consists of the insertion jig body (right side of figure) and the stand (left side of figure).
  • O-ring setting
    With the outermost sleeve of the jig body removed, set up the jig body in an opposite orientation to that shown in the figure on the left in the stand. The pin in the center has a dual structure. Set the workpiece (O-ring) on the inner pin and fit the removed outer sleeve back on.
  • Insertion positioning
    Orient the center pin fit with the O-ring downward (state shown in the figure on the left) and butt the jig against the insertion position of the assembly counterpart (green). Also butt the end of the outer sleeve against the assembly counterpart.
  • Insertion of O-ring
    When the cylindrical part shown at the center in the figure on the left is pressed with the hand, the outer part of the dual structure pin at the center slides and pushes the O-ring out. In the jig, a cylindrical nut is located below the cylindrical part and the push stroke is adjusted according to the nut position. When the hand is released, the cylindrical part at the center returns to the original position due to the reaction force of the compression spring that is installed between the pin parts in the dual structure.

Points for use

  • Manual Operation
    Applied to a portion where it is not possible to accurately incorporate an O-ring using your hands.

Target workpiece

  • Shape: O-ring (rubber)
  • Size: inner diameter φ3 x t0.5mm

Design Specifications

Operating Conditions or Design Requirements

  • Insertion stroke: 7mm
  • Outer dimensions: φ20 x H42mm

Required Performance

  • Positioning accuracy: ±0.2mm
  • Assumed load: 0.75N

Selection Criteria for Main Components

  • The O-ring insertion guide is made of MC nylon.
  • The insertion pin is made of 304 Stainless Steel and precisely finished.

Design Evaluation

Verification of main components

  • Confirmation of load of used spring
    • Weight of parts to be returned: M = 14g
      Friction coefficient between O-ring and pusher pin: f1 = 40g
      Friction coefficient between inner guide and pusher pin: f2 = 10g
      Required spring load: F
      =M+f1+f2
      =14+40+10
      =65g
      Spring constant: K = 10g/mm
      Free length: 20mm
      Set length: 8.2mm
      Spring set load: P = 10 x (20 - 8.2)
      = 10 x 11.8
      ≒120g
      Therefore, P > F.

Other Design Consideration

  • The dimensions of the jig part are determined by knowing the accuracy of the product using the O-ring.
  • Friction is reduced at the O-ring insertion guide.

Explore Similar Application Examples

Page - / -

Part List

No. Part Name Sample Picture MISUMI Part Number
For Price and Days to ship click on Part No.
Quantity
1 Compression Springs WY3-15 1
2 O Ring NSA6 1
  • The part list above only contains MISUMI parts.
    Part list download (CSV) includes MISUMI and third party components used in this example.
  • For price and shipping date see the Web Order System.
  • TERMS AND CONDITIONS FOR USE OF CAD DATA
    Your access to the CAD data that MISUMI Corporation (hereinafter referred to as the Company) posts on this site (including 3D CAD data, intermediate 3D CAD data and 2D CAD data; hereinafter referred to as the Data) are of products manufactured and/or sold by the Company (hereinafter referred to as the Products) assumes that you have read and accepted these terms and conditions which govern your use of the Data. If you do not agree to these terms and conditions, you must stop using this website and the Data. You must not use the Data for any unlawful purpose or in any manner inconsistent with these terms and conditions.
    1. CAD Data
    The Data is prepared for assisting the Company's users in the CAD design process by providing dimensions and other Product information. In order to provide the best speed and stability working within this site, the Product drawings were simplified to reduce the size of the Data. For instance, some of the Products are shown without the oil groove shape, screws or spring shape. Also, please be aware that the tolerance, surface roughness and/or chamfer of the Data may vary from the actual Products.
    2. Disclaimer on Data
    While the Company has carefully prepared the Data, accuracy of the Data is not guaranteed and is subject to the variances as described above. The Company may also modify, add or delete the Data at any time without prior notice. The Company assumes no liability for any direct, indirect, consequential or special damages that you may claim resulted from your use of the Data or any changes to or deletions of the Data regardless of the reason. The Company provides no warranty as to the quality, accuracy, functionality, safety or reliability of the combination of Products and parts. Example applications and combinations of the Products are provided for illustrative purposes only.
    3. Copyright
    Copyrights to the content and the Data belong to the Company or the manufacturers of the Products. The said copyright is protected by the Copyright Act and international treaties. The use (including duplication, modification, uploading, posting, transmission, distribution, licensing, sales and publishing) of the Data except for the purpose to use the Data described above without prior approval of the Company is not allowed. The Data cannot be used for any purposes (including sales promotion) except for designing your machine. If you violate this provision or the laws or regulations, the Company may prohibit you from the use of the Data, the Company’s site and/or take legal action. So long as you comply with these terms and conditions, the Company grants to you a non-exclusive, non-transferable, revocable license to access and use the Data for the sole purpose of assisting you in designing machines that incorporate products.
    In case that the CAD data is found to have been to be used for any purpose other than mentioned above or against the related laws, MISUMI may take legal actions, including the one for blocking the involved user from using CAD data and from accessing to the MISUMI site.
    4. Disclaimer of Warranty
    ANY AND ALL CONTENT APPEARING ON THIS WEB SITE IS PROVIDED FOR INFORMATIONAL PURPOSES ONLY. THIS WEB SITE, ITS CONTENT AND ITS LINKS ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS AND ARE USED ONLY AT YOUR SOLE RISK, TO THE FULLEST EXTENT PERMISSIBLE BY LAW. THE COMPANY DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, OF ANY KIND, REGARDING THIS WEB SITE (INCLUDING ITS CONTENT, HARDWARE, SOFTWARE AND LINKS), INCLUDING AS TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, TITLE, NON INFRINGEMENT, RESULTS, ACCURACY, COMPLETENESS, ACCESSIBILITY, COMPATIBILITY, SECURITY AND FREEDOM FROM COMPUTER VIRUS. THE COMPANY WILL NOT BE LIABLE FOR ANY DAMAGES OR LOSSES, INCLUDING DIRECT, INDIRECT, CONSEQUENTIAL, SPECIAL, INCIDENTAL OR PUNITIVE DAMAGES AND/OR LOST PROFITS, IN CONNECTION WITH USE OF THE INTERNET, THIS WEB SITE, ITS CONTENT OR ITS LINKS
    Further, the Company will not be liable to you for any failure or delay by the Company to provide access to the Data or any of its obligations under these terms and conditions where such failure or delay is the direct or indirect result of any circumstances beyond the Company's reasonable control (and the Company's obligations will be suspended for the duration of such circumstances).
    5. Policy of Third Parties
    You may be required to separately agree to third party's policies if you use third party software to create or browse the Data or use a third party’s CAD data. In this case, the Company does not assume any responsibility for defects of such CAD data or the software of the third party or violation of their rights. Understand them before use.

    CAD Download (Unit Assembly)

    CAD Download: File Format
    生成

    Thank you for downloading the data.

    Click the Good IDEA! button when you find interesting design tips.


    This data is utilized in order to list more useful application examples in the future.

    CAD Data Limitations

    1. Assembly data shows the assembly drawings in the concept design phase. The sole purpose of the data is to explain the structure and functionality of the assembly and is not considered nor to be used as a final design.
      You will need to edit the Data so that it meets your specific design conditions.
    2. Unit assembly Data consists of some sub-assemblies.
      It is configured so that each sub-assembly unit can be used as it is or edited.
    3. * The part in the frame is a sub-assembly unit.

    4. The Data for fabricated parts is based on easy-to-edit dimensions and shapes in sketches and histories.
    5. The dimensions of the MISUMI parts in the Data, which can be specifed at 1mm intervals, can be edited under historical data.
    6. The Data including the third-part components are made by the Company.

    Page top

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