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No.000117 Multi-Stroke Cam Mechanism
Good IDEA!
15

Multiple-step stroke with a minimum actuator

Related Category

Short Stroke Ball Bushings

Short Stroke Ball Bushings
Product name Short Stroke Ball Bushings/Single/Double
Part number SLBUS16
Features Capable of rotary motion, finite linear motion, and the combination of both.
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria | Available sizes | Selection steps | Accuracy Info | Performance info.

Selection criteria

Bushing that can handle rotational and linear motions.

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Available sizes

■Short Stroke Ball Bushings - Single / Double

Outer Cylinder Ball Retainer Operating Ambient Temperature
Material Hardness Material Material
EN 1.3505 Equiv. 58HRC- EN 1.3505 Equiv. EN AW-5052 EquivalentS -20 ~ 110°C
EN 1.4125 Equiv. 56HRC ~ EN 1.4125 Equiv. -20 ~ 120°C

■Sizes and Dimensions.

(Shaft DIA.) O.D. Overall Length Max.
Stroke
Ø5 Ø10 15 13
Ø6 Ø12 19 15
Ø8 Ø15 24 24
Ø10 Ø19 29 30
Ø12 Ø21 30 32
Ø13 Ø23 32 34
Ø16 Ø28 37 40
Ø20 Ø32 42 46

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Selection steps

■Selection Steps of Short Stroke Ball Bushings - Single / Double

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Accuracy Info

■Accuracy of Short Stroke Ball Bushings - Single / Double

(Shaft DIA.) Outer Cylinder DIA. Overall Length
Tolerance
Tolerance Tolerance
Ø5 0/-0.008 Ø10 0/-0.009 0/-0.12
Ø6 0/-0.009 Ø12 0/-0.011 0/-0.2
Ø8 Ø15
Ø10 Ø19 0/-0.013
Ø12 Ø21
Ø13 Ø23
Ø16 Ø28
Ø20 0/-0.010 Ø32 0/-0.016

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Performance info.

■Load Rating of Short Stroke Ball Bushings - Single / Double

(Shaft DIA.) Basic Load Rating
C (Dynamic) N Co (Static) N
Ø5 131 106
Ø6 210 164
Ø8 323 278
Ø10 499 408
Ø12 722 579
Ø13 773 634
Ø16 1330 1029
Ø20 1609 1517

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Keyless Bushings - Compact

Keyless Bushings - Compact
Product name Keyless Bushings/Compact
Part number MLRS16
Features A hub (such as pulleys, gears and sprockets) can be easily connected with a shaft by screwing.
* 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

Fine rotational position adjustment for both the rotating actuator and eccentric cam.

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Available sizes

■Keyless Bushings - Compact

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

■Sizes and Dimensions.

Shaft Bore Dia. Outer Ring DIA.
(pilot) 		Inner Ring O.D.
(shoulder) 		Shoulder Height Pilot Length
Ø10 Ø18 Ø31.5 11 12
Ø12 Ø20 Ø33.5
Ø14 Ø22 Ø35.5
Ø15 Ø23 Ø38.5 13 14
Ø16 Ø24 Ø39.5
Ø17 Ø25 Ø40.5
Ø18 Ø26 Ø46 16
Ø19 Ø27 Ø47
Ø20 Ø28 Ø48

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Accuracy Info

■Recommended Tolerance of Applicable Shaft and Hub.

Tolerance Finish Surface Roughness
Shaft O.D. h7(g6) Ra1.6 or less
Hub I.D. H7 Ra3.2 or less

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Performance info.

■Load info of the MechaLock Standard Type (with Centering Function)

Shaft Bore Dia. EN 1.1191 Equiv./- EN 1.1191 Equiv./Electroless Nickel Plating EN 1.4301 Equiv. /-
Max. Allowable
Torque 		Allowable Thrust Load Screw Tightening
Torque 		Max. Allowable
Torque 		Allowable Thrust
Load 		Screw Tightening
Torque 		Max. Allowable
Torque 		Allowable Thrust
Load 		Screw Tightening
Torque
(N･m) (kN) (N･m) (N･m) (kN) (N･m) (N･m) (kN) (N･m)
Ø10 44 8.71 4 44 8.71 4 14 2.75 2.7
Ø12 53 53 17
Ø14 61 61 20
Ø15 115 15.3 8 115 15.3 8 38 5 5.6
Ø16 123 123 41
Ø17 131 131 43
Ø18 210 23.2 14 210 23.2 14 68 7.4 9.6
Ø19 221 221 71
Ø20 233 233 75

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IDEA NOTE Multi-step stroke is achieved with minimum actuation.

The use of an eccentric tapered cam along with an actuator allows for a multi-step stroke to be possible.

IDEA NOTE Sets three positions via stroke and cam.

Cam rotation and linear stroke allow for three different positions to be set.

  • 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.
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    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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      You will need to edit the Data so that it meets your specific design conditions.
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      Each sub-assembly unit can be used as it is or can be edited.

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    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

  • To transfer workpiece using multiple steps.
  • [Operation]
    A linear movement/rotation actuator is used as a drive to preform a multi-step stroke with the help of an eccentric tapered cam.
    The details of the multi-step stroke are shown below.
    Position 1: Initial state in which the actuator is not operated.
    Position 2: State in which the eccentric cam is rotated by 180° by the rotary stroke of the actuator.
    Position 3: Tapered cam is moved 29.8mm by the linear stroke of the actuator.

    A condition in which the center of the rotation of an object is located at a different position than the center axis that passes through the center of gravity of the object.

Target workpiece

  • Shape: circuit board carrier, tray.
    size: W48 x D80 x H54mm.
    weight: 0.6kg.

Design Specifications

Operating Conditions or Design Requirements

  • Outer dimensions: W135 x D500 x H232.5mm
  • Vertical stroke: 30mm
  • Cylinder stroke: 29.8mm

Required Performance

  • Weight: 1.1kg.

Selection Criteria for Main Components

  • Swing cylinder.
    • Torque of 0.4 N･m or more at oscillation angle of 180 degrees.
    • Thrust in horizontal direction of 30 N or higher.

Design Evaluation

Verification of main components

  • Verify if the cylinder can withstand the load torque and weight of the workpiece.
  • Lifting thrust.
    • Conditional value: workpiece mass W1 = 1.1 kg, gravitational acceleration g = 9.8 m/s ².
      Cylinder thrust: F1 = 196 N, angle of eccentric cam: θ1 = 20°
      Cylinder lifting thrust: F2 = F1/tan20° = 196/tan20° = 538.5N
      Load F3 = Wg = 1.1 x 9.8 = 10.1N
      F2 > F3.
  • Torque.
    • Conditional value: cylinder effective torque T1 = 0.422 N･m (air pressure 0.4 MPa),
      Maximum distance from eccentric cam to load on the drawing when cylinder has stroked by 29.8 mm L1 = 0.0325 m
      Load torque T2 = F3 x L1 = 0.328 N･m
      T1 > T2.

Other Design Consideration

  • By setting the length of the eccentric portion of the cam as twice the length of the vertical stroke produced by the taper, equal stroke is enabled.

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 Compact Nuts SNTRCS8 1
2 Linear Bushings SLBUS16 2
3 Mecha Lock MLRS16 2
4 Stop Pins USSTEH10 1
5 Linear Shaft SSFAZ12-90-F15-B6-P5-N5-SC5 2
6 Linear Bushings SLHIFRS12 2
7 Rotary Shaft SFR16-270.5 1
8 Flow Rate Control Valves SPSNL6-1 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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