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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.

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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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  • 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!

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  3. Download the CAD models for each application example.

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    Download CAD for the entire application example!

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No.000210 Film Product Feeding Mechanism
Good IDEA!
63

Film feeding mechanism with rollers.

Relevant category

Coupling

Coupling
Product name Couplings - Disc, Clamping, For Servo Motor
Part number CPDW25-8-8
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Accuracy Info | Performance info.

Selection criteria

Select the double disc type with the larger allowable misalignment to improve the assembly performance.

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Available sizes

■Couplings - Disc, Clamping, For Servo Motor

Part Material Surface Treatment Accessory
Main Body Aluminum Alloy Anodized Hex Socket Head Cap Screw
Disc・Pin Stainless Steel -

■Sizes and Dimensions

O.D. Shaft bore Dia. (Select drive / driven sides) Overall Length Clamp Screw Dia.
φ4 φ5 φ6 φ6.35 φ7 φ8 φ10 φ11 φ12 φ14 φ15 φ16 φ17 φ18 φ19 φ20 φ22 φ24 φ25
φ19 ○ ○ ○ ○ ○ 18.5 M2
φ25 ○ ○ ○ ○ ○ ○ 23 M2.5
φ32 ○ ○ ○ ○ ○ ○ 31 M3
φ40 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 41 M4
φ50 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 56 M5

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Accuracy Info

■Accuracy of coupling

O.D. Allowable Angular
Misalignment
(°) 		Lateral
Misalignment
(mm)
φ19 1.5 0.12
φ25
φ32 0.15
φ40
φ50

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Performance info.

■Load info. on coupling

Outer diameter Allowable Torque
(N・m) 		Max. Rotational Speed
(r/min) 		Moment of Inertia
(kg・m²)
φ19 0.7 33000 8.7×10?7
φ25 1 25000 2.7×10?6
φ32 2.5 19000 9.6×10?6
φ40 3.5 15000 1.9×10?6
φ50 9 12000 8.1×10?5

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Tension Spring

Tension Spring
Product name Tension Springs - Hook Free
Part number AUFM8-40
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Technical calculations

Selection criteria

Springs with machining cost can be obtained at lower price as a commercially available item.

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Available sizes

■Tension Springs - Hook Free

Material
Main Body Hook area
Spring Steel (ASTM A228) 304 Stainless Steel
304 Stainless Steel

■Sizes and Dimensions

Spring O.D. Hook pitch Wire Dia. Hook filament dia. Hook I.D. Max. load (N)
(dynamic load)
7 25 1.0 1.2 4.6 39.2
30
35
40
8 30 1.2 1.4 5.2 66.25
35
40
45
50
60
70
10 30 1.4 1.6 6.8 86.69
35
40
45
50
60
70
80
12 30 1.6 1.8 8.4 101.29
35
40
45
50
60
70
80
90
100
14 50 1.8 2 10 107.87
60
70
80
90
100
125
16 50 2 2.6 11.4 127
60
70
80
90
100
125
18 80 2.3 2.9 12.9 180
90
100
125
150
20 80 2.6 3.2 14.2 230
90
100
125
150

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Technical Calculations

■Tension spring load calculations

P = Pi + (k x F).

P: Load (N).
Pi: Initial Tension (N).
k: Spring Constant (N/mm).
F: Deflection (mm).

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Spring Anchors

Spring Anchors
Product name Spring Anchors - Flat Head Screwdriver Type, with Groove
Part number BSPO6-25
Features Posts for Tension Springs with Straight Slot Grooves available
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

Lead time can be shortened if excess machining is removed.

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Available sizes

■Spring Anchors - Flat Head Screwdriver Type, with Groove

Material Surface Treatment Accessory material
1045 Carbon Steel Black Oxide Nut one pc (JIS Class 1)
SWCH equivalent
303 Stainless Steel - Nut one pc (JIS Class 1)
304 Stainless Steel equivalent

■Sizes and Dimensions.

Hex size Mounting Height
(Increments of 5 mm) 		Screw Dia.
(Coarse) 		Thread Length Spring Latch Shaft Dia.
3 15-40 Ｍ3 6 φ1.8
4 15-40、50 Ｍ4 8 φ2
5 15-40、50 Ｍ5 10 φ3
6 15-50、60 Ｍ6 12 φ3.6
8 20-50、60、70 Ｍ8 16 φ5
10 30-50、60、70 Ｍ10 20 φ6
12 40,50、60、70 Ｍ12 24 φ6.5

Back to page top.

IDEA NOTE Increase of bearing capacity and rigidity of shaft

The spacing between the bearings is widened to increase the bending rigidity of the feeding roller shafts.

  • 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).

    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

  • Feeding sheet-like workpieces such as films using rollers.

Target workpiece

  • Shape: Film, sheet
  • Size: W20×t0.1mm

Design Specifications

Operating Conditions or Design Requirements

  • External dimensions: W209xD110xH168mm
  • Feeding speed: 300mm/s

Required Performance

  • Tension: 4N
  • Nip pressure

    Nip means the contact surfaces of circles. Nip pressure means the contact pressure between the rollers.

    ：10N

Selection Criteria for Main Components

  • Select a 50 W motor to feed workpieces at a tension of 4N,a nip pressure of 10N, and a seep of 300mm/s.

Design Evaluation

Verification of main components

  • Select a motor that satisfies the load inertia and load torque.
  • Calculation of the load inertia applied to the motor shaft.
    • Conditions (values): Feeding shaft inertia JO=0.028kg･cm2, coupling inertia JC=0.028kg･cm2, feeding roller inertia JR=0.170kg･cm2
    • The load inertia applied to the motor shaft, JL, is expressed by JL=JC+JO+2×JR (JL=0.028+0.028+2×0.170 =0.396kg･cm2)
    • The inertia ratio, m, is expressed by m=JL/JM (m=0.396/0.045=8.8<17 times (motor specification recommendation value))
  • Calculation of torque in acceleration.
    • Conditions (values): Drive efficiency η=0.800, motor rotation speed N0=190.985r/min,acceleration time Tsa=0.500s,the load torque applied to the motor shaft TL=0.097N・m
    • Torque in acceleration, TMa, is expressed by TMa=((((JL/η)+JM)×N0)/(9.55×104×Tsa))+TL. (TMa=((((0.396/0.800)+0.045)×190.985)/(9.55×104×0.5))+0.097=0.099N・m)
    • The torque reaches its peak in acceleration. Since the rated torque is Ttyp=0.160N・m, the peak load factor Rp is
      expressed by Rp=(TMa/Ttyp)×100 (Rp=(0.099/0.16)×100=61.875%)
    • When the effective load torque is derived from the torques of each operation pattern,
      the rated torque becomes 0.096N・m<0.16N・m

Other Design Consideration

  • Knurling is applied to the feeding rollers while urethane bumpers are applied to the press roller to increase the friction coefficient.
  • The Nip pressure

    Nip means the contact surfaces of circles. Nip pressure means the contact pressure between the rollers.

    can be adjusted by changing the springs.

Explore Similar Application Examples

Page - / -

Part List

No. Part Name Sample Picture MISUMI Part Number
(click the Part Number below for details) 		Quantity
1 Shaft Collars PSCBNJ10-14 1
2 Couplings CPDW25-8-8 1
3 Bearing Nut FUNT10 1
4 Deep Groove Ball Bearings B6000ZZ 1
5 Ball Bearing FL688ZZ 4
6 Deep Groove Ball Bearings FL696ZZ 2
7 Ball Bearing B7000-DB 1
8 Tension Springs AWA12-40 1
9 Spring Anchors BSPO6-25 1
10 Spring Anchors BSPO6-40 1
11 Parallel Keys KEG4-30 1
  • 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).

    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.

    Page top

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