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  • Helpful application examples for mechanical engineers.

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No.000212 Sheet Feed Dancer Roll
Good IDEA!
28

Sheet roll tension control

Related Category

Shaft Collars

Shaft Collars
Product name Shaft Collars/One Touch
Part number WSC12
Features Spring-loaded for easy adjusting
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Accuracy Info

Selection criteria

The lever makes the assembly work easier, and shortening of work hours can be realized when mounting and dismounting take place frequently.

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Available sizes

■Shaft Collars - One Touch - METRIC

Material Surface Treatment Accessory
Hex Socket Head Cap Screw 1 pcs.
EN AW-2017 Equiv. Clear Anodize EN 1.4301 Equiv.
Black Anodize

■Sizes and Dimensions

I.D. O.D.
10 50
12 52
15 55
16 56
20 60
22 62
25 65
25.4 65.4
30 70

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Accuracy Info

■Accuracy of Shaft Collars (One-Touch Standard Type)

I.D. Tolerance: +0.1/0

O.D. Tolerance: 0/-0.3

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Resin Circular Plates

Resin Circular Plates
Product name Resin Circular Plates/with Holes
Part number ENJPY3-105-12
Features Transparent Plastic Circular Plates usable as covers.
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes

Selection criteria

By making the cover transparent, the remaining volume of sheet can be visually checked.

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Available sizes

■Resin Circular Plates - with Holes

Material Grade Color
Acrylic Standard Grade Transparent
Smoke Brown
Antistatic Grade Transparent
Smoke Brown
Polycarbonate Standard Grade Transparent
Smoke Brown
Antistatic Grade Transparent
Smoke Brown
PET Standard Grade Transparent
Standard Grade Smoke Brown
Antistatic Grade Transparent

■Sizes and Dimensions

Type Thickness 1mm increments
O.D. I.D.
Acrylic 3 50-400 0 - 50
(I.D. ≤ O.D. -10)
5
10
Polycarbonate 3
5
10
PET 1
3
5

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Bearings With Housings

Bearings With Housings
Product name Standard Length/Double Bearings/Retained
Part number BGRB6000ZZ-25
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Accuracy Info

Selection criteria

Since the bearings and holders are already housed, the assembly time can be shortened

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Available sizes

■Bearings with Housings - Standard Length, Double Bearings, Retained

Material Surface Treatment
Bearing Holder Retaining ring Holder
Steel EN 1.1191 Equiv. Spring steel Black Oxide
EN 1.4301 Equiv. Electroless Nickel Plating
EN AW-2017 Equiv. Clear Anodize
Stainless Steel
EN 1.4301 Equiv. -

■Sizes and Dimensions

I.D. Bearing No. Seal Length (Selection) Bearing Mounting Hole
O.D.
8 698 Double Shielded

Non-Contact Sealed
Rubber Seal

Contact Sealed
Rubber Seal 		25 35 19
608 25 35 22
628 25 35 24
10 6800 20 30 19
6900 25 40 22
6000 25 40 26
6200 30 40 30
12 6801 25 35 21
6901 25 40 24
6001 25 40 28
6201 30 40 32

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Accuracy Info

■Accuracy of Bearing Holder (Double Bearings, Retained, L Selectable)

O.D. Bearing Mounting
Hole Tolerance (H7)
8 +0.021
  0
10
12 +0.025
  0

Perpendicularity of Flange Bearing Mounting Hole: 0.01

Bearing Mounting Holes - Concentricity of Main Body O.D.: Ø0.02

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IDEA NOTE Tension adjustment

By adjusting the weight of the dancer roll, it is possible to adjust the tension.

  • Terms of use of CAD data and simplified drawing data
    These terms and conditions (hereinafter referred to as “the Terms") set forth the conditions for downloading CAD data and simplified drawing data provided by MISUMI Corporation (hereinafter referred to as "MISUMI") via www.misumi-europe.com operated by MISUMI Europa GmbH(hereinafter referred to as the "Website"). By downloading CAD data and simplified drawing data posted on the Website (hereafter referred to as “Data”), customers are deemed to have agreed to these Terms.

    1. Purpose of Use
    MISUMI offers the following:
    1)CAD data found on the Website (3D CAD data, 3D Intermediate data and 2D CAD data) for the purpose of informing customers of the characteristics of the products offered by MISUMI or a manufacturer affiliated with MISUMI for use in their designs.
    2)Simplified drawing data (in PDF format) for the purpose of checking the specifications of products.
    2. Characteristics of Data
    There may be a discrepancy in certain characteristics of products (for example: tolerance, surface roughness, chamfer, etc.) between the Data and the actual product. Furthermore, for the purpose of reducing the file size of the Data, some information such as oil groove shapes, threads, or spring shapes, may be removed from the Data.
    3. Disclaimer
    MISUMI carefully creates the Data but makes no warranty as to the quality, accuracy, functionality, safety, reliability, etc., of the Data. MISUMI may at any time, and with no prior notice to customers, revise or delete Data. MISUMI assumes no responsibility for any damage or loss resulting from any revision or deletion of the Data, or any errors in said data. Customers are solely responsible for all aspects of their own designs, including those made using the Data. MISUMI may provide customers with design example data on the Website, but the quality, accuracy, functionality, safety, reliability, etc., of such data are not guaranteed. MISUMI may, at any time, and in its sole discretion, request that the customer cease its use of or destroy the Data in its possession. MISUMI may request the customer provide MISUMI documentation of such destruction.
    4.Prohibited Acts
    Customers or users of the Data, are prohibited from the following acts regarding the Data, in whole or in part:
    (1)Requesting quotations or placing orders for products with third parties other than those authorized by MISUMI or its affiliates;
    (2)Receiving quotations or orders for products from third parties by providing the Data to a third party or using the Data in their own business;
    (3)Displaying links to the Website related to the Data on their own websites, etc., without consent of MISUMI or its affiliates;
    (4)Using or reproducing the Data beyond the scope of the above-stated Purpose of Use;
    (5)Modifying, altering, tampering with, translating, or adapting the Data;
    (6)Selling, transferring, lending, sublicensing, or providing the Data to third parties in any way without consent of MISUMI or its affiliates;
    (7)Altering the content, reverse engineering, decompiling, disassembling, or analyzing the Data;
    (8)Publicly disclosing or exhibiting the Data without consent of MISUMI or its affiliates;
    (9)Using the Data for the purpose of providing products and services identical or similar to those of MISUMI or its affiliates;
    (10)Performing acts that interfere with the proper functioning of this Website, such as acquiring Data in bulk.
    5. Copyright
    All title and copyright in and to any information contained in the Data are owned by MISUMI or the relevant manufacturer affiliated with MISUMI and are protected by applicable copyright laws and international treaties. By downloading Data, the customer acquires no ownership rights of any kind in the intellectual property contained within. Without prior approval from MISUMI, no part of the Data may be utilized (reproduced, modified, reverse-engineered, uploaded, presented, sent, distributed, licensed, sold, or published) for any purpose other than that mentioned above.
    In the event Data is found to have been to be used for any purpose other than that mentioned above or against any applicable laws or the Terms, MISUMI may pursue any legal remedy available to it, which may result in forbidding the offending user from using the Data or accessing the Website.
    6. Third-Party Data
    MISUMI offers some Data provided by third parties. Such Data may be subject to separate terms and conditions, in addition to these terms. MISUMI makes no guarantee or warranty regarding Data from third parties.
    7. Export Control
    Customers shall comply with all applicable laws and regulations regarding the export of the Data.
    8. Amendments to the Terms
    MISUMI may, at any time, and in its sole discretion, modify these terms and conditions; any such modification will be effective immediately.
    9. Severability
    If any term or provision of these Terms is invalid, illegal, or unenforceable in any jurisdiction, such invalidity, illegality, or unenforceability shall not affect any other term or provision of these Terms or invalidate or render unenforceable such term or provision in any other jurisdiction. Section 139 BGB (German Civil Code) shall not apply.
    10．Miscellaneous
    In the event that Customers violate the Terms, MISUMI and/or MISUMI Europa GmbH shall be entitled to claim the damages and expenses (including attorney's fees) incurred by such violation against the Customers.
    These Terms and any disputes arising in connection therewith shall be exclusively governed by and construed in accordance with the laws of the Federal Republic of Germany, without regard to its conflicts of law principles. The courts located in Frankfurt am Main/Germany shall have exclusive jurisdiction to adjudicate any dispute arising in connection with these Terms. By downloading the Data, you agree to submit to the exclusive and personal jurisdiction of the courts located in Frankfurt am Main/Germany.

    Revised: September 21, 2025

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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.

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

Application Overview

Purpose

  • Tension control by utilizing a dancer mechanism in the sheet feed.

Points for use

  • Used in sheet roll feeding applications.

Target workpiece

  • Shape: sheet
    Size: W10 x t0.2mm

Design Specifications

Operating Conditions or Design Requirements

  • Dancer stroke = 100mm
  • Tension = 2N

Required Performance

  • Total load of dancer roll and weight: M = 2 to 4N

Selection Criteria for Main Components

  • With conditions of sheet roll maximum diameter: D = 105mm and maximum tension generated by motor: F = M/2 = 2N, the motor is selected.

Design Evaluation

Verification of main components

  • Verification of sufficiency of torque.
    • From required motor torque: T = D/2 x F, T = 0.0525 x 2 = 0.1N･m
      0.1 x 2 (safety factor) = 0.2N･m < 0.29N･m = motor torque
      -> There is no problem.

Other Design Considerations

  • The dancer mechanism part is compact and fits in a space equivalent to the sheet roll diameter.
    When the position of the dancer roll is detected by the sensors, the workpiece feed is turned off and when its up its turned on.

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 Shaft Collars WSC12 1
2 Resin Plates ENJPY3-105-12 1
3 Resin Plates ENJPY3-105-15 1
4 Spring IBNB-T0.3-H8-L20-A3.5-X3.5 1
5 Bearing W/Housing BGRB6000ZZ-25 1
6 Couplings CPS16-6-6 1
7 Hex Posts SLSBWF7-31 4
8 Retaining Rings-External STWS10 5
9 Retaining Rings STWS4 5
10 Deep Groove Ball Bearings SB694ZZ 10
11 Linear Bushings LMUW5 2
12 Low Head Cap Screws CBSST3-8 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).
  • Terms of use of CAD data and simplified drawing data
    These terms and conditions (hereinafter referred to as “the Terms") set forth the conditions for downloading CAD data and simplified drawing data provided by MISUMI Corporation (hereinafter referred to as "MISUMI") via www.misumi-europe.com operated by MISUMI Europa GmbH(hereinafter referred to as the "Website"). By downloading CAD data and simplified drawing data posted on the Website (hereafter referred to as “Data”), customers are deemed to have agreed to these Terms.

    1. Purpose of Use
    MISUMI offers the following:
    1)CAD data found on the Website (3D CAD data, 3D Intermediate data and 2D CAD data) for the purpose of informing customers of the characteristics of the products offered by MISUMI or a manufacturer affiliated with MISUMI for use in their designs.
    2)Simplified drawing data (in PDF format) for the purpose of checking the specifications of products.
    2. Characteristics of Data
    There may be a discrepancy in certain characteristics of products (for example: tolerance, surface roughness, chamfer, etc.) between the Data and the actual product. Furthermore, for the purpose of reducing the file size of the Data, some information such as oil groove shapes, threads, or spring shapes, may be removed from the Data.
    3. Disclaimer
    MISUMI carefully creates the Data but makes no warranty as to the quality, accuracy, functionality, safety, reliability, etc., of the Data. MISUMI may at any time, and with no prior notice to customers, revise or delete Data. MISUMI assumes no responsibility for any damage or loss resulting from any revision or deletion of the Data, or any errors in said data. Customers are solely responsible for all aspects of their own designs, including those made using the Data. MISUMI may provide customers with design example data on the Website, but the quality, accuracy, functionality, safety, reliability, etc., of such data are not guaranteed. MISUMI may, at any time, and in its sole discretion, request that the customer cease its use of or destroy the Data in its possession. MISUMI may request the customer provide MISUMI documentation of such destruction.
    4.Prohibited Acts
    Customers or users of the Data, are prohibited from the following acts regarding the Data, in whole or in part:
    (1)Requesting quotations or placing orders for products with third parties other than those authorized by MISUMI or its affiliates;
    (2)Receiving quotations or orders for products from third parties by providing the Data to a third party or using the Data in their own business;
    (3)Displaying links to the Website related to the Data on their own websites, etc., without consent of MISUMI or its affiliates;
    (4)Using or reproducing the Data beyond the scope of the above-stated Purpose of Use;
    (5)Modifying, altering, tampering with, translating, or adapting the Data;
    (6)Selling, transferring, lending, sublicensing, or providing the Data to third parties in any way without consent of MISUMI or its affiliates;
    (7)Altering the content, reverse engineering, decompiling, disassembling, or analyzing the Data;
    (8)Publicly disclosing or exhibiting the Data without consent of MISUMI or its affiliates;
    (9)Using the Data for the purpose of providing products and services identical or similar to those of MISUMI or its affiliates;
    (10)Performing acts that interfere with the proper functioning of this Website, such as acquiring Data in bulk.
    5. Copyright
    All title and copyright in and to any information contained in the Data are owned by MISUMI or the relevant manufacturer affiliated with MISUMI and are protected by applicable copyright laws and international treaties. By downloading Data, the customer acquires no ownership rights of any kind in the intellectual property contained within. Without prior approval from MISUMI, no part of the Data may be utilized (reproduced, modified, reverse-engineered, uploaded, presented, sent, distributed, licensed, sold, or published) for any purpose other than that mentioned above.
    In the event Data is found to have been to be used for any purpose other than that mentioned above or against any applicable laws or the Terms, MISUMI may pursue any legal remedy available to it, which may result in forbidding the offending user from using the Data or accessing the Website.
    6. Third-Party Data
    MISUMI offers some Data provided by third parties. Such Data may be subject to separate terms and conditions, in addition to these terms. MISUMI makes no guarantee or warranty regarding Data from third parties.
    7. Export Control
    Customers shall comply with all applicable laws and regulations regarding the export of the Data.
    8. Amendments to the Terms
    MISUMI may, at any time, and in its sole discretion, modify these terms and conditions; any such modification will be effective immediately.
    9. Severability
    If any term or provision of these Terms is invalid, illegal, or unenforceable in any jurisdiction, such invalidity, illegality, or unenforceability shall not affect any other term or provision of these Terms or invalidate or render unenforceable such term or provision in any other jurisdiction. Section 139 BGB (German Civil Code) shall not apply.
    10．Miscellaneous
    In the event that Customers violate the Terms, MISUMI and/or MISUMI Europa GmbH shall be entitled to claim the damages and expenses (including attorney's fees) incurred by such violation against the Customers.
    These Terms and any disputes arising in connection therewith shall be exclusively governed by and construed in accordance with the laws of the Federal Republic of Germany, without regard to its conflicts of law principles. The courts located in Frankfurt am Main/Germany shall have exclusive jurisdiction to adjudicate any dispute arising in connection with these Terms. By downloading the Data, you agree to submit to the exclusive and personal jurisdiction of the courts located in Frankfurt am Main/Germany.

    Revised: September 21, 2025

    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.

    Good IDEA!

    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.

    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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