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- > No.000274 Ball Roller Support Position Variable Mechanism
No.000274 Ball Roller Support Position Variable Mechanism
Variable simultaneous support positions for multiple ball rollers by means of wide pitch guides.
Relevant category
Circular Posts
| Product name | Circular Posts - One End Threaded, One End Tapped, Standard Wrench Flat, Standard L Dimension |
|---|---|
| Part number | NETGRS15-200-SC10 |
| Features | L dimension, thread diameter (with or without wrench flats) are selectable. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Select a circular post that will be able to fit within the space between two roller conveyors.
Available sizes
■Circular Posts - One End Threaded, One End Tapped, Standard Wrench Flat, Standard L Dimension
| Material | Surface Treatment |
|---|---|
| 1018 Carbon Steel | - |
| Black Oxide | |
| Electroless Nickel Plating | |
| Trivalent Chromate(Black) | |
| 304 Stainless Steel | - |
■Sizes and Dimensions
| Diameter | Cylinder Portion Length (configure in 0.5mm increment) | Screw Dia. (Coarse) |
|---|---|---|
| 5 | 15～50 | 2.5 |
| 6 | 15～50 | 3 |
| 8 | 20～150 | 4 |
| 10 | 20～350 | 5 |
| 12 | 25～400 | 6 |
| 15 | 30～500 | 8 |
| 20 | 35～500 | 10 |
| 25 | 45～600 | 12 |
| 30 | 55～700 | 16 |
| 35 | 55～800 | 16 |
| 40 | 65～900 | 20 |
| 50 | 80～1000 | 24 |
Ball Rollers
| Product name | Ball Rollers - Hex Head, Stud Type |
|---|---|
| Part number | BCHLJP8 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Select PEEK as the material to ensure the workpiece will not be damaged.
Available sizes
■Ball Rollers - Hex Head, Stud Type
| Material | |||
|---|---|---|---|
| Main Body | Spacer | Main Ball | Sub Ball |
| 304 Stainless Steel | 304 Stainless Steel | 440C Stainless Steel(HRC55～） | 440C Stainless Steel(HRC55～） |
| Polyacetal Ball | |||
| Polyacetal | - | ||
| PEEK | - | PEEK | |
■Sizes and Dimensions
| Mounting Screw Dia. | Wrench Flats | Mail Ball Dia. | Allowable Load N (kgf) | |
|---|---|---|---|---|
| Polyacetal | PEEK | |||
| 5 | 8 | - | 2(0.2) | - |
| 6 | 10 | 6.35 | 4(0.4) | 5(0.5) |
| 8 | 13 | 7.94 | 7(0.7) | 6(0.6) |
| 10 | 17 | 9.53 | 11(1.1) | 8(0.8) |
IDEA NOTE Utilize ball roller system to be able to provide support to larger workpieces.
Cylinder can position the ball rollers in the proper position for different sized workpieces.
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CAD Download (Unit Assembly)
CAD Download: File Format
CAD Data Limitations
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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. -
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. - The Data for fabricated parts is based on easy-to-edit dimensions and shapes in sketches and histories.
- The Data including the third-part components are made by the Company.
* The part in the frame is a sub-assembly unit.
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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.
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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
- Conveying system in which ball rollers assist with the supporting of the workpiece. The position of the ball rollers can be adjusted depending on workpiece size.
Points for use
- Cylinder drives five ball rollers in parallel to provide the workpiece with extra support.
Target workpiece
- Plastic plate
- External dimensions: W 400mm x D 300mm x T 0.7mm
- Workpiece mass: 197 g
Design Specifications
Operating Conditions or Design Requirements
- Air cylinder operation direction: Horizontal
- Air cylinder stroke: 50 mm
- External dimensions: W 400 x D 300 x H 290 mm
Selection Criteria for Main Components
- Horizontally moving cylinder
- Selecting a compact cylinder for saving space.
Design Evaluation
Verification of main components
- Verify the cylinder outstroke thrust based on applied load.
- Horizontally moving cylinder
- Conditional values: m ＝ 2.6 kg (total weight of cylinder mounting components), friction coefficient μ＝0.3, load factor η=1 (catalogue value), instroke pressure receiving area A1=378 mm² (catalogue value), operation air pressure P = 0.4 MPa
- Load applied to the cylinder: Ｆ＝mgμ Thus, F = 2.6 x 9.8 x 0.3 = 7.6 N
- Cylinder output (in outstroke): outstroke thrust: F1 = η × A1 × P Thus, F1 = 1 x 378 x 0.4 = 151.2 N
- Safety factor: F1/F = 151.2/7.6 = 19.9
Other Design Consideration
- The cylinder/post/ball roller system is installed between preexisting conveyor rollers.
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