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No.000073 Press-Fitting Fixture

Press-fitting with lever action

Relevant category

Miniature Linear Guide

Product Name Miniature Linear Guides Standard Blocks, Light Preload, Precision Class L Configurable Type
Part Number SSEB10-95
Features The most basic type among all the industry standard-compliant blocks.
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Compact size suitable for the fixture design

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Available sizes

Miniature Linear Guide (Standard block / Light preload)

Material Hardness
Stainless steel (440C Stainless Steel) 56HRC-
Carbon Steel (Alloy Steel including SCM) 58HRC-

■Sizes and Dimensions

Number of Blocks Block Width Block Length Overall Height Rail Length
1 17 23.6 8 40-130
20 30 10 35-275
27 33.9 13 45-470
32 42.4 16 70-670
40 50 20 100-700
2 17 23.6 x 2pcs. 8 70-130
20 30 x 2pcs. 10 95-275
27 33.9 x 2pcs. 13 120-470
32 42.4 x 2pcs. 16 150-670
40 50 x 2pcs. 20 160-700

* Please see the product pages for details of selectable sizes.

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Selection steps

■ Miniature Linear Guide Selection Steps

Determine conditions of use
(moving body mass, travel speed, motion pattern, life)

Selection of linear guide specifications
(block height,overall height, rail length are
temporarily selected based on the conditions of use.).

Safety check
  • Allowable load
  • Life
  • Preload

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Accuracy Info

Preload and accuracy Standards

(μm)

Radial clearance -3~0
Dimension tolerance of H ±20
Pair variation of H 15
Dimension tolerance of W2 ±25
Pair variation of W2 20

(μm)

Rail length(mm)
-80 81-200 201-250 251-400 401-500 501-630 631-700
Running parallelism 3 7 9 11 12 13.5 14

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Performance info.

Load rating of linear guides (Standard block ・Light preload ・High grade)

Overall Height Basic Load Rating Allowable Static Moment
C (Dynamic) kN C0 (Static) kN MA
N・m
MB
N・m
Mc
N・m
6 0.3 0.6 0.8 0.8 1.5
8 0.9 1.5 4.1 4.1 5.2
10 1.5 2.5 5.1 5.1 10.2
13 2.2 3.3 8.8 9.5 16.1
16 3.6 5.4 21.6 23.4 39.6
20 5.2 8.5 48.4 48.4 86.4

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Technical calculations

Linear guide life calculations

Operating Life
When a Linear Guide is loaded and used in a linear reciprocating motion, scaly damage called flaking appear due to material fatigue as the stress works on the rolling elements and rolling contact surfaces constantly. Total travel distance until the first flaking occurs is called Life of Linear Guides.
Rated life
Rated life is the total travel distance that 90% of linear guides of the same type can reach, under the same conditions, with no occurrence of flaking damage. Rated life can be obtained from the Basic Dynamic Load Rating and the actual load applied on the linear bushings, as shown bellow.
Load must be calculated before actually using Linear Guides. To obtain load during linear reciprocating motion, it is necessary to fully consider vibration and impact during motion, and also distribution status in relation to Linear Guides. So, it is not easy to obtain load calculation. All these conditions considered, the above-mentioned calculation formula is as follows.
  • L: Rated life (km)
  • fH: Hardness factor (see Fig-1)
  • fT: Temperature factor (see Fig-2)
  • fC: Contact factor (see Table-1)
  • fW: Load factor (see Table-2)
  • C: Basic dynamic load rating (N)
  • P: Applicable load (N)
● Hardness Factor (fH)

For Linear Guide applications, sufficient hardness is required for ball contact shafts.Incorrect material hardness causes less allowable load, resulting in shorter life. Please correct the rated life according to the hardness factors.

Temperature Factor (fT)

If the Linear Guide temperature exceeds 100°C, the Linear Guide and shaft hardness decreases, resulting in less allowable load and shorter life than used at a room temperature. Please correct the rated life according to the temperature factors.
* Please use linear guides under the allowable temperature range shown on each product page.

Contact Factor (fC)

Table-1. Contact factor

Number of Linear Guide on One Shaft Contact Factor fc

1 1.00
2 0.81
3 0.72
4 0.66
5 0.61

In actual applications, 2 or more blocks per shaft are generally used. In this case, the load applied to each block varies depending on the precision of the machining, but is not uniformly distributed.

Load Factor (fW)

Table-2. Load factor

Condition of Use fw
No shocks/vibrations,
Low speed: 15 m/min. or less
1.0-1.5
No significant shocks/vibrations,
medium speed: 60 m/min. or less
1.5-20
With shocks/vibrations,
high speed: 60 m/min. or more
2.0-3.5

To calculate load applied to the Linear Guides, in addition to object weight, it requires inertia force.However, it is difficult to obtain accurate calculations due to potential vibrations and impacts created during the reciprocating motion, beyond the normal start-stop motion.

Applicable load calculation method
When load is applied to a block, convert moment load into applied load using the following formula:
  • P: Applied Load (N)
  • F: Downward Load (N)
  • C0: Static Load Rating (N)
  • MA: Allowable Static Moment - Pitching Direction (N・m)
  • MC: Allowable Static Moment - Rolling Direction (N・m)
  • Lp: Load Point Distance (m) in Pitching Direction
  • Lr: Load Point Distance (m) in Rolling Direction

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Spring Anchors

Product name Spring Anchors - Hexagonal
Part number DSPO6-20
Features Posts for Tension Springs which can be mounted with a wrench.
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

A durable anchor that meets the dimension requirements for this design.

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Available sizes

■Spring Anchors - Hexagonal

Material Surface Treatment
1213 Carbon Steel Black Oxide
Electroless Nickel Plating

■Sizes and Dimensions

Hex size Mounting height
(Increments of 5 mm)
Screw Dia.
(Coarse)
Thread
Length
Spring Latch Shaft Dia.
3 10-15 M3 6 φ1.8
4 10-20 M4 8 φ2
5 10-20 M5 10 φ3
6 10-25 M6 12 φ3.6
8 10-30 M8 16 φ5
10 15-30 M10 20 φ6
12 20-30 M12 24 φ6.5

*Please see the product pages for dimension details.

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Urethane Molded Bearings

Product name Silicon Rubber / Urethane Molded Bearings - Flat
Part number UMBB3-12
* Orange colored cells in the table below indicate the part numbers used in this example.

Selection criteria

Impact Resilient and operates quietly

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Available sizes

■Urethane Molded Bearings - Flat, Shape A

Tire Section Bearing Material
Material Hardness Color Steel
(52100 Bearing Steel)
Stainless Steel
(440C Stainless Steel)
Urethane Shore A95 Black
White
Shore A90 Black
White
Shore A70 Black
White
Shore A50 Black
White
Anti-static Urethane Shore A90 Gray

■Sizes and Dimensions

I.D. O.D. Width Bearing Used
φ3 φ10 3 W683ZZA
φ12
φ4 φ13 4 W684AX50ZZ
φ16 5 624ZZ
φ5 φ16 WBC5−13ZZ
φ20 625ZZ
φ6 φ20 696ZZ
φ28 6 626ZZ
φ8 φ28 7 608ZZ
φ30 608ZZ
φ10 φ30 8 6000ZZ
φ40 9 6200ZZ
φ15 φ40 6002ZZ
φ45 11 6202ZZ
φ20 φ45 9 6904ZZ
φ55 14 6204ZZ
φ25 φ65 15 6205ZZ

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Performance info.

■Load Capacity of Urethane Molded Bearing - Flat

O.D. Allowable Load N
Shore A95 Shore A90 Shore A70 Shore A50
φ10 38 28 9 4
φ12 53 34 10 6
φ13 66 44 13 7
φ16 79 59 16 6
φ16 79 16
φ20 102 78 20 9
φ20 114 23 15
φ28 218 157 44 39
φ28 208 42 35
φ30 176 81 65
φ30 94 51
φ40 274 136 93
φ40 122 96
φ45 343 109 102
φ45 130 98
φ55 490 225 176
φ65 750 333 250

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IDEA NOTE Press-fitting with lever action

The press-fitting anvil is retained with a tension spring and linear guide. A lever is used to operate the press-fitting anvil.

IDEA NOTE Adjusting Press-fitting stroke

Press-fitting stroke can be adjusted by using a stopper bolt.

  • 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).
    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. 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.

    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 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

  • A fixture to press-fit plastic products together.

Points for use

  • Manually operated mechanism

Target workpiece

  • Press-fit Part: Plastic block, Press-Fit Receptacle:Plastic case
  • External dims.: Block: W40 x D5 x H15mm,
    Receptacle: W50 x D28 x H10mm
  • Weights: Block: 3g, Receptacle: 6g

Design Specifications

Operating Conditions or Design Requirements

  • External dims.: W100 x D110 x H166 (When press-fitting)
  • Press-fit block stroke: 42.2mm

Required Performance

  • Pressure load: 18.5N

Selection Criteria for Main Components

  • Tension spring
    • Select a spring that can withstand the lever load. Ensure the spring's load requirements do not make the press fit process strenuous for the operator.

Design Evaluation

Verification of main components

  • Verify that the spring satisfies the pressure load.
  •  Tension spring load
    • Calculation formula: Reaction force F = kx + Initial tension
    • Assumed operation load = 18.5N
    • Initial tension: 2.94N
    • Assumed operational deflection: x = 42.2mm (10mm when set, 32.2 when pressure applied)
    • k = (F -Initial tension) / x = (18.5 - 2.94) / 42.2 = 0.37N/mm
  • Lever size
    • Assumed application load (manual): 25N
    • Required press-fitting load: 100N
    • Lever ratio: From above, 1:4

Other Design Consideration

  • The stopper bolt is to be located in the center of linear rail.

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 Linear Guides SSEB10-95 1
2 Linear Shaft SFAR6-100 1
3 Oil Free Bushings JZF6-5 2
4 Retaining Rings STWS6 2
5 Spring Anchors PDSPO6-20 1
6 Spring Anchors SAIPO3-15 1
7 Tension Springs AUA12-55 1
8 Stopper Bolts SUST4-20 1
9 Ball Bearing UMBB3-12 2
10 Linear Shaft PSSFG8-120 1
11 Shaft Collars SSCCJ8-5 2
12 Metal Washers WSSS5-3-1 2
13 Dowel Pins MSC3-10 4
  • The part list above only contains MISUMI parts.
    Part list download (CSV) includes MISUMI and third party components used in this example.
  • For price and shipping date see the Web 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.
    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).
    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 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.

    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.

    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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