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No.000301 Width Change Mechanism

Right and left movement synchronization using center of the workpiece as the reference

Shaft Collar

Product name Shaft Collars/With Clamp Lever/Side Mounting Holes
Part number SSCJKL12-M
Features Integration with Clamp Lever eliminates Clamping Tools and realizes Speedup of Changeover
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Select a shaft collar with clamp lever to secure the position after setup

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Available sizes

■Shaft Collars - With Clamp Lever, Side Mount

Shaft Collar Clamp Lever Lever Thread
Material Surface Treatment Material Surface Treatment Material Surface Treatment
EN 1.1191 Equiv. Black Oxide Zinc Diecast Baked Paint EN 1.0718 Equiv. Black Chromate
EN 1.1191 Equiv. Electroless Nickel Plating
EN 1.4301 Equiv. - EN 1.4305 Equiv. -

■Sizes and Dimensions

I.D. Thickness Shaft Collar
O.D.
6 18 35
8
10
12 40
15 44
16
20 48
25 60
30 70

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Accuracy Info

■Accuracy of Shaft Collars

I.D. Tolerance: +0.05/+0.01

O.D. Tolerance: ±0.1

Thickness Tolerance: ±0.1

Side Perpendicularity Tolerance: 0.02

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Handwheels

Product name Handwheels/Two Spoked/Stainless Steel
Part number SHLN100-KC12
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Select the two spoked type with variation of stainless steel handwheel for setup

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Available sizes

■Handwheels - Two Spoked, Stainless Steel

Handle Handle Handle Thread
Material Surface Treatment Material Surface Treatment Material Surface Treatment
EN 1.4581 Equiv.
(EN 1.4401 Equiv.)
Shot Blasted EN 1.4301 Equiv. Electrolytic Polishing EN 1.4301 Equiv. Electrolytic Polishing
EN-JL 1030 Equiv. Chrome Plating EN 1.0038 Equiv. Chrome Plating EN 1.0038 Equiv. Chrome Plating
EN AC-46200 Equiv. Shot Blasted
+ Buffing
EN AW-2024 Equiv. Shot Blasted

■Sizes and Dimensions

Knob O.D. Height
80 22
100 27
125 32
140 36
160 40
200 50

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Scale Plates

Product name Scale Plates
Part number MEPCH-LC230
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Select a scale plate to check the setup position visually

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Available sizes

■Scale Plates

Material
Horizontal Scale Type EN AW-1050 Equiv.(clear anodize)
EN 1.4301 Equiv.
PET Plastic
Vertical Scale Type EN AW-1050 Equiv.(clear anodize)
PET Plastic

■Sizes and Dimensions

Width Zero Point Position Material Length
Horizontal Scale Type 8 Left End EN AW-1050 Equiv.
EN 1.4301 Equiv.
100
200
Right End
Center EN AW-1050 Equiv.
EN 1.4301 Equiv.
300
12 Left End EN AW-1050 Equiv. 100
200
300
600
EN 1.4301 Equiv. 100
200
PET Plastic 200
Right End EN AW-1050 Equiv. 100
200
300
600
EN 1.4301 Equiv. 100
200
PET Plastic 200
Center EN AW-1050 Equiv.(clear anodize) 300
EN 1.4301 Equiv.
PET Plastic
Vertical Scale Type 15 Bottom EN AW-1050 Equiv.(clear anodize) 100
200
Center EN AW-1050 Equiv.(clear anodize) 300
PET Plastic

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IDEA NOTE Synchronization is achieved using a rack & pinion.

Gear is fixed while top and bottom rack move simultaneously to synchronize left and right sensor movement.

IDEA NOTE Reduction of backlash with tensile springs

Backlash is reduced by using tensile springs to constantly push the rack teeth in one direction.

  • 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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    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.

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    5. 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

  • The sensor position is set up based on the size of the workpiece. (confirmation of the transferred workpiece width)
  • Confirm the size of the workpiece based on values on the scale plate. (Example: Applicable to workpiece A when the scale is 10mm)
  • Width of workpiece is changed equal from both sides (left and right) using center of the workpiece as the reference.
  • The backlash is reduced using tensile springs.

Points for use

  • A handle is used for adjustment, and rotation is stopped using a shaft collar.
  • A retro-reflective type is used for the sensor.

Target workpiece

  • Plastic BOX
  • Outer shape of large workpiece: W220 x D150 x H120mm
  • Outer shape of small workpiece: W50 x D150 x H120mm

Design Specifications

Operating Conditions or Design Requirements

  • External Dimensions: W440 x D350 x H219mm
  • One side preparation stroke: 85mm

Selection Criteria for Main Components

  • Shaft collar
    • Selected as "fixed" after an adjustment.
  • Handle
    • A handle which allows easy adjustment is selected.
  • Tensile Springs
    • Selected to reduce backlash.
  • Rack Gear
    • Two sections are selected to achieve synchronization.

Design Evaluation

Verification of main components

  • The maximum distortion of a spring is verified based on the load conditions.
  • Spring Load
    • (i) When minimum width is set.
    • Conditional Values: Initial tension 3.43N, Deflection when tensile is expected x = 0mm.
    • Formula: Based on reaction force F = kx + Initial tension, F = 3.43N
      (ii) When maximum width is set.
    • Formula: Reaction force F = kx + Initial tension
    • Initial Tension: 3.43N
    • Deflection when tension is expected: x = 85mm
    • Maximum deflection (mm) x = Configurable S Dimension (= 75mm)/Standard S Dimension (= 50mm) x Standard maximum deflection (= 57mm) = 75/50 x 57 = 85.5 (mm) > 85mm
      Established based on Deflection when tension is expected ≦ Maximum deflection.
    • Spring Constant k(N/mm) = 50 (Reference S Dimension) /Configurable S Dimension (= 75mm) x Standard Spring Constant (= 0.34N/mm) = 50/75 x 0.34 = 0.23(N/mm)
    • Reaction force F = k(= 0.23 N/mm) x x(= 85.5mm) + Initial Tension (= 3.43N) = 0.23 x 85.5 + 3.43 = 23.1N

Other Design Consideration

  • The sliding performance of the rack is improved during synchronization by placing oil-free bushings with high O.D. dimension accuracy in the slotted hole area.

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 Shaft Collars SSCJKL12-M 1
2 Spur Gear GEAKS1.0-30-12-B-12N 1
3 Rack Gears RGEASL1.0HT-110-A15-B40-C40 2
4 Bearing W/Housing SBGCC6701ZZ-20 1
5 Handwheels - Two Spoked, Stainless Steel SHLN100-KC12 1
6 Tension Springs UFSP9-1.0-75 2
7 Spring Anchors SASPO3-20 4
8 Oil Free Bushings MPGZ6-10 8
9 Shoulder Bolts SMSBF6-L22-F6 4
10 Parallel Key KEGS4-15 2
11 Metal Washers FWSSS-D14.5-V12.5-T7.0 1
12 Scale Plate MEPCH-LC230 1
13 Pointing Plates PPSP12 1
14 Set Screws Flat Type MSSFS5-5 1
15 Socket Head Cap Screws-with Washer SCBS4-10 4
16 Socket Head Cap Screws-with Washer SCBS4-20 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 Data including the third-part components are made by the Company.

    Back to top

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