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No.000190 Pneumatic Two-Point Clamping Mechanism

1 cylinder 2 clamps

Link

Product name Links/Standard
Part number LNDM8-8-L150-T6
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Choose the link to convey the cylinder thrust to two areas

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Risk Info.

No appropriate length can be found in the commercially available items

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Available Sizes

■Links - Standard D2 Configurable

Material Surface Treatment
EN 1.1191 Equiv. Black Oxide
Electroless Nickel Plating
EN 1.4301 Equiv. -

■Sizes and Dimensions

Shaft Bore 1 Dia. Shaft Bore 2 Dia.
(1 mm increment)
Distance between
the Shaft Bore Centers
Width Thickness
5 6 9 12 16 19
Ø3 2 to 20
(Shaft Bore 1 Dia. ≥ Shaft Bore 2 Dia.)
5 ~ 150 13
Ø4 6 ~ 150
Ø5 7 ~ 150
Ø6 8 ~ 150 16
Ø8 10 ~ 150
Ø10 12 ~ 200 19
Ø12 14 ~ 200 25
Ø13 15 ~ 200
Ø14 16 ~ 200
Ø15 18 ~ 200 32
Ø16 20 ~ 200
Ø18 22 ~ 200 38
Ø20 25 ~ 300
Ø25 30 ~ 300 50

* Please see the product pages for detailed dimensions.

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Accuracy Info

■Accuracy of Links

Shaft Bore Dia. Tolerance:  H7

Tolerance of the Distance between Shaft Bore Centers: ±0.02

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Cantilever Shafts

Product name Cantilever Shafts/Standard/Threaded/w Retaining Ring Groove
Part number PFXAA8-39-F9
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Commercially available item is convenient for the swinging fulcrum

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Available sizes

■Cantilever Shafts (Threaded with Retaining Ring Groove)

Material Surface Treatment
EN 1.1191 Equiv. Black Oxide
Electroless Nickel Plating
EN 1.4301 Equiv. -
EN 1.7220 Equiv. Black Oxide
(Hardness 35 - 40 HRC)

■Sizes and Dimensions

Shaft DIA. Shaft Section Length
(1mm increment)
Base end
Screw Dia.
(Coarse)
Thread
Length
O.D. Base Thickness Wrench flats
Ø3 3 ~ 50 M 3 3 ~ 6 Ø7 2 ~ 30 5
Ø11 9
Ø4 M 4 4 ~ 8 Ø8 6
Ø12 10
Ø5 M 5 5 ~ 10 Ø9 7
Ø13 11
Ø6 5 ~ 100 M 6 6 ~ 12 Ø10 2 ~ 60 8
Ø14 12
Ø8 M 8 8 ~ 16 Ø12 10
Ø16 14
Ø10 M10 10 ~ 20 Ø15 13
Ø20 17
Ø12 10 ~ 150 M12 12 ~ 24 Ø17 14
Ø13 Ø18 15
Ø15 Ø20 17
Ø16 Ø21 18
Ø17 Ø22 19
Ø18 Ø23 20
Ø20 M20 20 ~ 40 Ø26 4 ~ 60 24
M16
Ø22 M20 Ø28
M16
Ø25 M20 Ø31 27
M16
Ø30 M20 Ø36 32
M16

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Accuracy Info

■Accuracy of the Cantilever Shafts (Threaded)

Shaft Dia. Tolerance: g6

Perpendicularity of the Shaft and the Mounting Surface: 0.02

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Rod End Bearings

Product name Rod End Bearings/Standard
Part number PHSCL8
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Popular Oscillation Transmission Component

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Available sizes

■Rod End Bearings - Standard, Tapped, Left-hand Thread, Steel

Material
Holder Spherical Inner Ring Bushing(liner)
EN 1.1181 Equiv.
(Trivalent Chromate)
EN 1.3505 Equiv.
(58HRC ~ )
Special Copper Alloy

■Sizes and Dimensions

Bearing Circumference Connecting Part Overall Length Length between the Shaft Bore
Center and the End Tip
Shaft Bore Dia. Thickness Holder
O.D.
Tap Dia. x Pitch Screw
depth
Compact Flange
Width
Ø5 8 Ø16 M5 x 0.8 14 9 35 27
Ø6 9 Ø18 M6 x 1.0 11 39 30
Ø8 12 Ø22 M8 x 1.25 17 14 47 36
Ø10 14 Ø26 M10 x 1.5 21 17 56 43
M10 x 1.25
Ø12 16 Ø30 M12 x 1.75 24 19 65 50
Ø14 19 Ø34 M14 x 2.0 27 22 74 57
M14 x 1.5
Ø16 21 Ø38 M16 x 2.0 33 83 64
Ø18 23 Ø42 M18 x 2.5 36 27 92 71
M18 x 1.5
Ø20 25 Ø46 M20 x 1.5 40 30 100 77
Ø22 28 Ø50 M22 x 1.5 43 32 109 84

■Allowable Incline Angle

Shaft Bore Dia. Bearing
Ball Dia.
Stepped part of the
shaft contacts the
outer circumference of the holder (α1)
Stepped part of the shaft
contacts the side or
the inner circumference of the holder (α2)
Shaft contacts
the inner circumference
of the holder (α3)
Ø5 SØ11.112 13° 30°
Ø6 SØ12.7
Ø8 SØ15.875 14° 25°
Ø10 SØ19.05
Ø12 SØ22.225 13°
Ø14 SØ25.4 10° 16° 24°
Ø16 SØ28.575 15°
Ø18 SØ31.75
Ø20 SØ34.925
Ø22 SØ38.1 10° 23°

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Accuracy Info

■Accuracy of Rod End Bearings

Shaft Bore Dia. Tolerance:  H7

■Shaft Fits

Conditions of Use Tolerance of Shaft Dimensions
Normal Load h7
Non-directional Load p6
■Clearance
Direction Clearance(mm)
Radial Direction Clearance 0.035 or less
Axial Clearance 0.1 or less

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Performance info.

■Static Load Capacity of Rod End Bearings

Shaft Bore Dia. Static Load Capacity
Radial Cs[KN]
Ø5 5.59
Ø6 6.86
Ø8 9.8
Ø10 13.2
Ø12 16.7
Ø14 20.6
Ø16 25
Ø18 29.4
Ø20 34.3
Ø22 41.2

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IDEA NOTE Link mechanism

The use of a link mechanism, enables one cylinder to clamp two points at the same time.

IDEA NOTE Workability improvement at workpiece input

Chamfering the workpiece housing helps guide the workpiece to position.

  • 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.
    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.

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    CAD Data Download: File Format
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    Cautions on the CAD data

    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. The CAD data unit assembly consists of sub-assemblies.
      Each sub-assembly unit can be used as it is or can be 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 CAD data consists of some sub-assemblies.
       Each sub-assembly unit can be used as it is or can be edited.

Application Overview

Purpose

  • Using a link mechanism, it is possible to use one cylinder to clamp a workpiece at two points simultaneously.
  • To fix a workpiece in position for accurate machining.

Points for use

  • Workpieces are mounted and dis-mounted manually.
  • By clamping the workpiece, deviation error can be prevented during machining.

Target workpiece

  • Plastic case
  • External dimensions:W100 x D100 x H10mm 

Design Specifications

Operating Conditions or Design Requirements

  • Stroke: 25mm
  • External dimensions: W400 x D160 x H169mm 

Selection Criteria for Main Components

  • Rod end bearings
    • Selected to achieve a smooth link motion.
  • Cylinder
    • Select a cylinder with a Clevis to cope with swinging of the link.

Design Evaluation

Verification of main components

  • Select a cylinder that makes link motion possible.
  • Cylinder
    • Cylinder thrust = Load factor x Operation Pressure x Tube I.D. Cross Section
      = 0.5 x 0.4MPa x π/4 x 20mm x 20mm 
      = 62.8N-(1)
      Distance from the link center = 30mm-(2)
    • Claw at the cylinder side: Load = 0.11 kg (weight of the claw at the cylinder side + weight of the link) =1.1N-(3)
      Distance from the link center = 80mm-(4)
    • Claw at the opposite side of the cylinder: Load = 0.13 kg (weight of the claw at the opposite side of the cylinder + weight of the link) =1.3N-(5)
      Distance from the link center = 150mm-(6)
      (1) x (2) > (3) x (4) + (5) x (6)
      62.8N x 30mm>1.1N x 80mm+1.3N x 150mm 
      1884N・mm > 283N・mm 
      ⇒Thus, select a cylinder with Ø20 mm.

Other Design Consideration

  • A Clevis cylinder is used because the link mechanism is adopted.

Explore Similar Application Examples

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Part List

No. Part Name Sample picture MISUMI Part Number
For Price and Days to ship click on Part No.
Quantity
1 Links LNDM8-8-L150-T6 1
2 Links LNDM8-8-L100-T6 1
3 Rotary Shaft PFXAA8-39-F9 1
4 Rod End Bearings PHSCL8 1
5 Oil Free Bushings JZB8-8 1
6 Flow Rate Control Valves SPJNLS6-1-B 2
7 Hinge Pins PHCCG8-14.0 2
8 Hinge Pins PHCCG8-15.0 2
9 Hinge Pins PHCCG8-21.0 1
10 Hinge Pins PHCCG8-26.0 2
11 Retaining Rings NETW7 8
12 Socket Head Cap Screws-with Washer SCBS8-25 4
  • The part list above contains only MISUMI parts.
    The list of parts and machined products of other manufacturers than MISUMI can also be downloaded by part list download (CSV).
  • You will find information on price and shipping days, in the Online Quote and 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.
    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 Data Download (Unit Assembly)

    CAD Data Download: File Format
    生成

    Thank you for downloading the data.

    Click the Good IDEA! button when this application example is helpful.


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

    Cautions on the CAD data

    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. The CAD data unit assembly consists of sub-assemblies.
      Each sub-assembly unit can be used as it is or can be 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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