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inCAD Library

Please read before use

What is inCAD Library?

  • Helpful application examples for mechanical engineers.

The Concept of inCAD Library

  • Online application library with a range of ideas for all manufacturing industries.
  • Save design time and learn new design applications when you are concepting new machines.

Disclaimer

  • 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.
  • MISUMI does not guarantee quality, accuracy, functionality, safety or reliability for the combination of the parts in each application example. Accept these points prior to use.
  • 2014 Copyright MISUMI
  • The data cannot be used for any purposes (including sales promotion) except for designing your machine.
  • All associated CAD is free. Misumi reserves the right at its sole discretion to cancel, terminate or modify this offer.
  • MISUMI may change, add or delete application examples posted without prior notice.
  • MISUMI assumes no responsibilities for any damage incurred resulting from your use of the Service or any change, addition or deletion by MISUMI of the application examples for any reason whatsoever.

inCAD Library Features

  1. Get great new design ideas for these application examples.

    2. Over 300 design application ideas
    collected from dozens of industries!

  2. Find application examples quickly! Search by function, workpiece shape, etc.


  3. Download the CAD models for each application example.

    4. Log in to download free CAD models.
    Download CAD for the entire application example!

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Keyword Search
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SNS: 

No.000217 Low Impact Clamping Mechanism
Good IDEA!
2

Low-impact clamp.

Relevant category

Stopper Bolts

Stopper Bolts
Product name Stopper Bolts With Bumpers- Straight Type
Part number PUSS10-40
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

Use the stopper bolts with resin tip as workpiece clamp components. Worn out items can be replaced easily.

Available sizes

■Stopper Bolts With Bumpers- Straight Type

Stopper Hex Screw Accessory (Hex Nut)
Material Hardness Material Strength classification Surface Treatment Material Surface Treatment
Urethane(Black) Shore A90 4137 Alloy Steel 10.9 Trivalent Chromate 1018 Carbon Steel Trivalent Chromate
304 Stainless Steel - - 304 Stainless Steel -
Polyacetal(White) - 4137 Alloy Steel 10.9 Trivalent Chromate 1018 Carbon Steel Trivalent Chromate
304 Stainless Steel - - 304 Stainless Steel -

■Sizes and Dimensions

Screw Dia. (Coarse) Thread Length (Selectable) Stopper Section Length Stopper Section Dia.
10 15 20 25 30 35 40 45 50 60 70
4 ○ ○ ○ ○ ○ ○ - - - - - 4.5 3.1
5 ○ ○ ○ ○ ○ ○ ○ - - - - 4
6 - ○ ○ ○ ○ ○ ○ ○ ○ ○ - 4.8
8 - - - ○ ○ ○ ○ ○ ○ ○ - 5.5 6.5
10 - - - - ○ ○ ○ ○ ○ ○ ○ 8.3
12 - - - - ○ - ○ - ○ ○ ○ 6 10

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Plastic Knobs

Plastic Knobs
Product name Plastic Knobs - Mushroom Shaped
Part number NMM6-25
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

Highly efficient knob can be mounted economically

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Available sizes

■Plastic Knobs - Mushroom Shaped

Screw Knob Screw
Material Material Surface Treatment
Threaded Phenolic Resin
(Black) 		12L13 Carbon Steel Trivalent Chromate
Tapped Brass (Insert) ?

■Sizes and Dimensions

Screw Thread Length Knob O.D. Mounting Height
Type Dia (Coarse) Threaded Tapped
Threaded
/
Tapped 		M5 10 7 φ17 15
M6 11 φ21 18
φ25 22
M8 15 12 φ33 30

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Square Resin Washer

Square Resin Washer
Product name Square Resin Washers
Part number WSRPM20-40-20
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Accuracy Info

Selection criteria

Best suited for securing workpiece without damaging

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Available sizes

■Square Resin Washers

Material Color
Polyacetal White
MC Nylon
Standard Grade 		Blue

■Sizes and Dimensions

Width Length
(1mm increment) 		Hole pitch
(0.5mm increment)
(hole pitch ? width - hole position from end face) 		Thickness Screw
Nominal Dia. 		Hole position from end face
10 20-40 10.0-30.0 3 3 5
12 24-46 12.0-36.0 4 4 6
15 30-60 15.0-45.0 4 5 7.5
20 40-80 20.0-60.0 5 6 10
25 50-100 25.0-75.0 6 8 12.5

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Accuracy Info

■The accuracy of square resin washer

Width tolerance ±0.3
Hole pitch tolerance ±0.1
Length tolerance ±0.3
Thickness tolerance ±0.1

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IDEA NOTE Impact Proof Clamping

Unnecessary impact is avoided by using a slide shaft with tapered portions.

IDEA NOTE Clamping position is retained by stopper cam.

In the clamping position, the stopper cam fixes the slide shaft. In this state, the only way to unclamp is to first release the cam by operating the knob.

  • 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.

    Good IDEA!

    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.

    3. The Data for fabricated parts is based on easy-to-edit dimensions and shapes in sketches and histories.
    4. 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

  • Purpose
    • To clamp workpieces that are vulnerable to impact.
  • Operation
    • Slide shaft mechanism in clamp helps prevent hard impact of the workpiece being clamped.
    • To release the workpiece, first release the knob to disengage the slide shaft, then lift the clamp.

Points for use

  • Manual operation

Target workpiece

  • Shape: glass circuit board
  • Size: W65 x L130 x H0.7mm
  • Weight: 10.6g

Design Specifications

Operating Conditions or Design Requirements

  • Slide shaft stroke: 10mm
    Arm rotation angle: 90°
  • Outer dimensions: W200 x D380 x H144mm

Required Performance

  • Clamping force: 3 to 4N

Selection Criteria for Main Components

  • A spring with a spring constant k = 0.16N/mm that satisfies the workpiece clamping force requirement of 3 to 4N is selected.

Design Evaluation

Verification of main components

  • The clamping force is verified based on the load moment.
  • Confirmation of workpiece clamping force
    • Conditional value: distance between rotary shaft and center of gravity of arm Lg = 87.4mm, angle formed by rotary shaft and center of gravity of arm α = 15.3°, mass of arm M = 436.9g, gravitational acceleration g = 9.8m/s2, distance between rotary shaft and spring post of arm Lk1 = 95.52mm, angle formed by spring post of link base and spring post of arm and rotary shaft β = 20.69°, distance between spring post of link base and spring post of arm Lk2 = 111.4mm, spring constant k = 0.16N/mm, free length of tension spring Lk0 = 100mm, initial tension of spring F1 = 2.94N, number of springs n = 2 pieces, distance between rotary shaft and clamping part La = 201mm, angle formed by rotary shaft and clamping part γ = 3.27°
    • Moment produced by arm mass: Mm = (M x g x cosα) x Lg, hence, Mm = 436.9 x 10?3 x 9.8 x 0.964 x 87.4 = 360.74N・mm
      Moment produced by tension spring: Mk = {k x (Lk2 - Lk0) + F1} x sinβ x Lk1 x n, hence, Mk = {0.16 x (111.4 - 100) + 2.94} x 0.353 x 95.52 x 2 = 321.26N・mm
    • Comparison of moment
      If we put F as the force of the clamping part and Ma as the moment of the clamping part, from Mm + Mk = Ma = F x cosγ x La, F = (Mm + Mk)/(cosγ x La), hence, F = (360.74 + 321.26)/(0.998 x 201) = 3.39N
      -> The clamping force is within the target range (3 to 4N).

Other Design Consideration

  • The shape of the stopper makes it possible to fix the slide shaft during clamping, and it is automatically returned by the coil spring built in the spring plunger during unclamping

    To loosen, disengage a clamp.

    .

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 Extension Springs AWA12-100 2
2 Compression Springs WR18-20 1
3 Step Screws DBTS6-10-10 1
4 Oil Free Bushings MPBZ15-10 2
5 Metal Washers WSSS25-15-1 1
6 Metal Washers WSSS25-8-1 1
7 Knobs NOOS8-16 1
8 Precision Pivot Pins SCCG8-55 1
9 Stopper Bolts PUSS10-40 1
10 Screw Stopper ANBNS10-80 1
11 Plastic Knobs NMM6-25 1
12 Metal Washers WSRPM20-40-20 1
13 Spring Plungers PJL8-10 1
14 Post SBSPO8-45 2
15 Post SBSPO8-30 2
16 Oil Free Bushings MPFZU8-10 2
17 Workpiece Guide WGDLJ-20-5-5 4
18 Shims ASFFR-A40-B20-T0.1-Q6-E10-C10-P20 6
  • The part list above only contains MISUMI parts.
    Part list download (CSV) includes MISUMI and third party components used in this example.
  • 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.

    Good IDEA!

    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.

    3. The Data for fabricated parts is based on easy-to-edit dimensions and shapes in sketches and histories.
    4. The Data including the third-part components are made by the Company.

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