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No.000005 Soldering fixture

Soldering fixture that can accommodates different size workpieces.

Miniature Linear Guide

Product name Miniature Linear Guides/Wide Block
Model number SEBMZ8-55
Characteristics MISUMI original standards. Uses larger screw size for improved fastening.
* Orange colored cells in the table below indicate the part numbers that were actually used in this app. example.

Selection criteria

Help stabilize linear motion

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Available sizes

■Miniature linear guide, Wide standard block

Material Hardness
JIS-SCM (CrMo Q&T steel) 58HRC ~
EN 1.4125 Equiv. 56HRC ~

■Sizes and Dimensions

Number of blocks Block width Block length Overall height Rail length
1 24 23.6 8 40 - 130
31 30 10 35 - 275
38 33.9 13 45 - 470
44 42.4 16 70 - 670
54 50 20 100 - 700
2 24 23.6 x 2pcs. 8 70 - 130
31 30 x 2pcs. 10 95 - 275
38 33.9 x 2pcs. 13 120 - 470
44 42.4 x 2pcs. 16 150 - 670
54 50 x 2pcs. 20 160 - 700

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Selection steps

●Miniature linear guide selection steps

Determine application conditions
(Mass of moving body, Feed rate, Motion pattern, Life)

Interim selection of linear guide specifications
(Number of blocks, block type, height, rail length are temporarily selected based on the usage condition)

Confirm basic safety
  • ●Load capacity
  • ●Life
  • ●Preload

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Accuracy Info

■Preload and accuracy standards (Wide standard block, slight clearance)

(µm)

Radial clearance 0 ~ +15
Dimension tolerance of H ±20
Pair variation of H 40
Dimension tolerance of W2 ±25
Pair variation of W2 40

(µm)

Rail length (mm)
- 80 81 - 200 201 - 250 251 - 400 401 - 500 501 - 630 631 - 700
Running parallelism 13 15 17 18 19 21 21.5

* The slight clearance type has clearances (play) between the rail and blocks.

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Performance info.

■Linear guide load capacity (Wide standard block, slight clearance)

Overall height Basic load rating Static allowable moment
C (Dynamic) kN C0 (Static) kN MA
N・m
MB
N・m
Mc
N・m
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

●Life
When the linear system is in motion with applied load, the rolling surfaces and races are subject to repeated stress. This stress can cause scale-like flaking due to material fatigue. The total run distance until the flaking appears is the "Life" of the linear system.
●Rated life
Rated life is a total distance 90% of linear guides reach without flaking when a group of the same guides are run under the same condition. The rated life can be calculated with basic dynamic load rating and the load applied on the guides as follows.
When using linear guides, load calculations are initially needed. It is not easy to calculate the loads during linear motion due to vibrations and shocks, as well as load distribution on the guides. Furthermore, operating environment temperature has large effect on life. When these conditions are taken in consideration, the calculations would be 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)

In using linear guides, the shaft that balls contact must have sufficient hardness, If adequate hardness cannot be obtained, load rating decreases and life will be reduced as a result.

●Temperature factor (fT)

When the temperature of linear guides exceed 100°C, hardness of blocks and rails will be reduced, causing reduction of life. Please compensate the life rating with temperature factor.
* Please use linear guides within temperature shown on product pages.

●Contact factor (fC)

Table - 1. Contact factor

Number of blocks installed on one rail and contact factor fC

1 1.00
2 0.81
3 0.72
4 0.66
5 0.61

In general, it is common to use 2 or more blocks on 1 rail. In such case, load applicable on each block would not be uniform due to machining variations. As the result, allowable load rating on each block would vary depending on the number of blocks used per rail. Please compensate the life rating with contact factor shown on Table - 1.

●Load factor (fW)

Table - 2. Load factor

Application condition fw
No external shocks or vibrations and
speed is low 15m/min or less
1.0 - 1.5
No significant shocks or vibration and
med. speed 60m/min or less
1.5 - 20
External shocks and vibrations exist
and the speed is high 60m/min or over
2.0 - 3.5

When calculating loads applicable on linear guides, other than the weight of the object, inertial force due to motion speeds, moment loads, and variations of each over time must also be obtained accurately. However, accurate calculation would be difficult due to repeated starts and stops and various shocks and vibrations. Therefore, the Load Factors shown in Table - 2 are used to simplify the life calculations.

●Applicable load calculation method
When moment loads apply a block, use the following formula to convert the moment load to applicable load.
  • P: Applicable load (N)
  • F: Downward load (N)
  • Co: 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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Ceramic Plate

Product name Ceramic Plates
Model number CEA-10-10-2.5
Characteristics Ceramic plate excellent in insulation, heat resistance, and wear.
* Orange colored cells in the table below indicate the part numbers that were actually used in this app. example.

Selection criteria

Insulate fixture from soldering heat.

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Available sizes

■Ceramic Plate

Material Finish accuracy Color Operating Ambient Temperature External dimensions Hole machining
Long side Short side Plate thickness Number of holes Hole DIA. Long side hole pitch Short side hole pitch
(Configure in 1mm increments) (Configure in 0.5mm increments)
Alumina 96 Standard grade White Room temperature ~ 1000°C 10 ~ 200 10 ~ 100 1, 2, 2.5 No hole,
2 Holes,
4 Holes
Ø3.5, Ø4.5, Ø5.5, Ø6.5, Ø9, Ø11 9 ~ 191 5 ~ 95 (2 Holes),
9 ~ 91 (4 Holes)
Precision grade
(Top / bottom machined)
10 ~ 100 10 ~ 100 9 ~ 91
Steatite Standard grade White Room temperature ~ 1000°C 10 ~ 70 10 ~ 70 3, 5 9 ~ 61 5 ~ 65 (2 Holes),
9 ~ 61 (4 Holes)
Precision grade
(Top / bottom machined)
Machinable
ceramic
Standard grade Natural color Room temperature ~ 1000°C 10 ~ 200 10 ~ 100 1, 2, 2.5 9 ~ 191 5 ~ 95 (2 Holes),
9 ~ 91 (4 Holes)

* Please see the product pages for shape details and dimensions.

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Accuracy Info

■Ceramic plate accuracy standards

Finish accuracy Plate thickness parallelism
(Per 100mm)
Flatness
(Per 100mm)
Standard grade 0.1 0.1
Precision grade 0.05 0.05

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Toggle Clamp

Product name Horizontal Handle/Horizontal or Vertical Base Push-Pull Type
Model number MC03-S1
Characteristics A small toggle clamp suitable for light duty work, with a horizontally moving handle. Effective when there are obstacles above.
* Orange colored cells in the table below indicate the part numbers that were actually used in this app. example.

Selection criteria

Clamping force, toggle clamp type (horizontal mounting bracket and handle).

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Available sizes

■Toggle clamp Horizontal Type, Clamping force 450N

Material Main body: EN 1.0038 Equiv. /
Rubber tipped bolt: NBR
EN 1.4301 Equiv.
Surface treatment Main body: Trivalent chromate /
Shaft: Nickel plating
-
Clamp handle Fore / Aft rotation Right rotation Left rotation Fore / Aft rotation
Stroke (mm) 17 16 17
Clamping force (N) 450 500 450
Weight (g) 50 65 50
Handle open / close angle 190° 180° 190°
Overall width (Clamped) 27 57 27
Overall height (Clamped) 43.5 17 43.5
Tip screw M4 bolt with rubber M4 bolt with rubber M4 stainless steel bolt
Overall length (Clamped) 73.9 81.5 73.9
Overall length (Unclamped) 56.9 65.5 56.9
Push axis height 12.7 10 12.7

* Please see the product pages for shape details and dimensions.

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IDEA NOTE Retention is stabilized with linear guide

Linear guide is used to stabilize motion and retention of workpiece.

IDEA NOTE Ceramic material is used for insulation.

Ceramic is used for insulation purposes during soldering.

  • 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.

    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.

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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

  • Retaining fixture to accommodate various sizes of workpiece for soldering.
  • The left side is the fixed side, and the right side is the clamp side.
  • Soldering on difficult to work on positions.

Points for use

  • A manually operated mechanism with a toggle clamp on each side. The left side of fixture is fixed while the right side is adjustable.
  • The part that contacts the workpiece is of ceramic to ensure insulation.

Target workpiece

  • Molded plastic product
    External dims.: W130 x D22 x H25
    Weight: 40g

Design Specifications

Operating Conditions or Design Requirements

  • Toggle clamp stroke: 17mm (Both sides)
  • Right side clamp uses spring: 4mm
  • External dimensions: W150 x D235 x H37

Required Performance

  • Workpiece retention load: 4.9N
  • Workpiece dimensional variation: ±0.3mm

Selection Criteria for Main Components

  • Toggle clamp
    • Side push type is selected for horizontal operation.
    • The toggle clamp selected has sufficient clamping force for the application.
  • Linear guide
    • Since applicable moment load is small, select a type most suitable for the size of the fixture.
  • Ceramic plate
    • To ensure insulation.

Design Evaluation

Verification of main components

  • Select a spring that offers sufficient retention load.
  •  Spring load
    • Calculation formula: Reaction force F = kx
    • Assumed load: F = 4.9N
    • Set length: 19mm, Free length: 20mm
    • Assumed deflection under pressure: x = 5mm (1mm when set, 4mm when stroked)
    • Spring constant: k = 4.9 / 5 = 0.98N/mm is selected

Other Design Consideration

  • A linear guide is used to stabilize the horizontal movements of toggle clamps.
  • The clamp plate on the clamp side (Right) is in free state to be able to absorb varying workpiece dimensions.
  • Retaining position adjustments on the fixed side (Left) is made by the floating joint length adjustments.

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 SEBMZ8-55 2
2 Compression Springs UL6-20 1
3 Ceramic Plate CEA-10-10-2.5 2
4 Floating Joints FJDL4-0.7-4-9 1
5 Toggle Clamps MC03-S1 2
6 Dowel Pins MSC3-10 4
7 Socket Head Cap Screws-with Washer SCBS4-20 6
8 Low Head Cap Screws CBSST4-8 2
9 Extra Low Head Cap Screws CBSTS3-8 2
10 Metal Washers WSSS12-5-1 3
  • 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.

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