Suspended Additive Layer Extrusion Manufacturing

Project Type
Launch Date
Invention
12th April 2020
About the Project
SALEM Printer
SALEM is a 3D printing manufacturing concept, predominantly aimed at construction, that utilises a cable suspended Extruder and a modular, adjustable structure which enables the print envelope to be customised to the needs of the given construction project.
The printer features an Extruder for printing the cement, 8 Hoists for suspending and controlling the location of the Extruder; and a 4-legged support structure to provide the variable Hoists with a fixed axis. The Extruder is connected to all 8 Hoists via cables and cement is fed to the Extruder via a Tank and Pump system located on the ground. The printer would be capable of printing any aggregate/cement mixture that can be pumped, enabling structures to be built on, for example, Mars without construction materials brought from Earth.
Read More
SALEM is a form of Construction 3D printing, a relatively new method of Additive Manufacturing aimed at producing large objects for construction purposes. The general principle of Construction 3D Printing (C3DP) is the same as that of its much smaller desktop counterpart. A desired article for manufacture is designed using CAD software and is “spliced” into consecutive layers from the bottom of the model to the top using special software. These layers are then converted into manufacture instructions that tell the printer how to operate to reproduce that layer. The 3D printer then manufactures the desired article by printing out the model layer by layer according to the manufacturing instruction file (often referred to as a GCODE). The materials printed by C3DP machines are typically cement or metals and the printers come in many shapes and varieties. These include rotary arms, robotic printers and overhead cranes to name a few styles. One of the best examples of current C3DP technology is a rotary arm printer designed by Apis Cor (see below). One of the key issues with current C3DP machines is scalability. To print a larger structure, you generally need to build a larger printer which is more expensive and limits the ease of assembly or deployment of the printer. The Apis Cor printer for example, can only print within a circular envelope as wide as the print arms reach (about 8.5m). Some C3DP companies, such as the Chinese company WinSun, have approached this issue by completing their prints in segments at a central location, then assembling the segments at location. There are two main issues with this solution. The first is that it requires transport of the segments to the final build location. This is cumbersome for large structures and prohibitive for building structures in uninhabited regions without transport infrastructure like roads and where it is difficult to erect craneage to lift and place the segments. The second issue is that structures built in segments are inherently less structurally sound than a structure printed in one constant extrusion. SALEM works by triangulating the position of the extruder based on the extension length of the Hoist cables and the relative positions of each Hoist. The Hoists can traverse the length of the Support Structure and will rise gradually as more layers are added to the printed cement structure. The Hoists can extend or retract the cables and by extending some cables and retracting others, it is possible to move the relative position of the Extruder in a fully controlled manner. This allows the Printer to print any shape within a 3-dimensional print envelope. The Printer could be capable of printing with millimetre accuracy once fully developed and will be capable of printing far more complex structures than current construction methods feasibly allow. Each of the Supporting legs are composed of several standardised pieces. By adding or subtracting these grid pieces from the support the height of the printer can be adjusted. It is permissible to secure these Support Legs at any practical length apart, from as little as 2 meters separation, to upwards of 100 meters. When erecting the printer there are several calibration operations which set the starting positions of the Hoists, Support Legs and Extruder as well as identifies ground height and slope of the print envelope. This means that it is unnecessary to position the legs perfectly square as the print envelope is entirely relative. Construction 3D Printing
Current C3DP Issues
How SALEM works
Benefits of Construction 3D Printing
There are several benefits to construction 3D printing that have already been proven by many of the current C3D printers in development. The main benefits are:
- Cost – C3DP reduces the cost of building structures by minimising waste and significantly reducing the number of manufacturing steps required to manufacture a structure. Most construction 3D printers create structures by extruding cement meaning there is no preproduction of bricks and other building materials. The only material that needs to be prefabricated is the cement. All3dp.com states that Apis Cor was able to complete a demonstrative 3D Printed home for just over $10000 with the actual structure costing approx. $4335 to print. This is an order of magnitude cheaper than traditional bricklaying. As the process is largely automatic there is also a significant reduction in labour costs.
- Time – Construction printing minimises construction time to mind-blowingly low lead-times. There have now been multiple demonstrations wherein C3DP houses have been printed in less than 24 hours. Even factoring in a long printer assembly lead-time this still results in a staggeringly rapid build time as compared to traditional techniques.
- Customisability – 3D printing allows for greater design freedom than traditional construction techniques can feasibly achieve. It is possible to for example, integrate channels within the structure walls to control airflow more efficiently inside the structure. The design potential for C3DP is limited only by the architects imagination and the laws of physics.
- Ease of Manufacture – C3DP makes constructing buildings and other structures much simpler. Design and structural analysis can be done with CAD software and then printed out with very few secondary steps occurring in between. Simply design the structure, assembly the printer, then start the print. The printer is fully autonomous aside from quality control and some minor assembly tasks such as fitting lintels.
Read More
Due to the modular design, SALEM can be disassembled and compacted small enough to be transported by a single mini-van for smaller applications. As the Hoists are motorised and capable of travelling along the Legs it is also technically feasible to assemble the Printer using no overhead crane and, with the right tooling, could be assembled by just 2 people. This makes it an ideal concept for erecting permanent structures in hard to reach or uninhabited locations such as Mars where construction tools such as overhead cranes cannot be made readily available. The travel speed of the Extruder is fixed only by the speed of the cable spool and the drying time of the cement meaning that extremely rapid printing speeds can be achieved. If we assume that it is at least possible to print at the same travel speed of the average human walking (about 1.6mph) it would be possible to extrude a 1000 sq. ft. structure in less than 24 hours. Another feature that decreases print time is a variable diameter Extrusion Nozzle enabling the Printer to outline the print using a thin cement layer, then fill the profile in using a thick cement layer, drastically reducing the total amount of Extruder movement required to complete a single layer whilst also improving the quality of structure definition. Putting aside the obvious, standard construction 3D Printing applications, SALEM has been designed with two special applications in mind: Humans currently use approximately 1.5 Billion Hectares of land to feed ourselves. That is equivalent to around 36% of all arable land on planet earth. The UN predicts that by 2050 our population will grow to 9.7 Billion. If we assume the same agricultural density, we would then be using nearly 45% of all arable land to feed ourselves. It is clear that we must improve the amount of food grown per acre of land or risk collapsing the earth ecosphere. Vertical Farming appears to provide a potential solution to this problem. The basic premise of Vertical farming is that instead of growing food in a 2D space like traditional farming, you grow in a 3D space. This is achieved by stacking crops on shelves and growing by artificial means. This is usually achieved with special grow lights and hydroponics. The major issue with Vertical Farming is that it has a high start up cost and complexity compared to traditional methods. To grow food in this manner you must first create the facilities to do so. To keep costs low enough to be profitable, most Vertical Farming companies are relying on converting shipping containers or old unused warehouses to house their farms. Where does SALEM come into this equation you ask? If it were possible to rapidly produce multi-story buildings using C3DP, you could in theory build industrial scale Vertical Farms for cheap enough to turn a profit. This is one of the key benefits of SALEM. It makes it possible to print out large scale structures without the need for difficult and resource heavy logistics, therefore making such facilities possible. There has been serious movement in recent years towards establishing human colonies off-world. Looking past the many challenges we face in getting humans to these distant places, we then have to consider how we might actually survive once we’ve arrived. Moving mass from one planet to another is an extremely difficult and costly process. As such, we must keep the amount of mass sent from earth to other worlds as low as possible. We should look to use as much as possible from the worlds we arrive at to build our bases. It stands to reason then, that C3DP would be an especially useful concept for building bases on places such as the Moon and Mars. It turns out all the ingredients you need to produce cement are abundant in the Martian crust. SALEM is perfect for this application as it has been designed to not require any overhead craneage to be erected. It should be possible to assemble a SALEM printer with just manual handling practices, some simple tooling and the printer itself. It also is fully customisable and theoretically self-calibrating making it more flexible for use in places where it is more difficult to do foundational ground prep.Benefits of SALEM
Applications of SALEM
Vertical Farming
Off-world & Uninhabited Printing
The Headquarters for this Project is:
198 Prince Charles Avenue, Mackworth, Derby, United Kingdom, DE224LN
Plan The Project
This tab is for agreeing and planning out the scope and spec of the project. Here you can see the high level goals for the project, what features are desired for the technology and the tasks to be done to achieve the spec.
This sub tab defines what the Spec of the technology should be. Vote on the features you want to see developed or add a new suggestion to the “Community Suggestions” table to be voted on.
Moderated Content
Module | Feature | Reason | Status | ID | Vote |
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What element of the project it is for | Name of specification attribute | Why the featured is required/ desired | Not started/ deferred/ in progress/ Integrated | SALEM-SPEC-1 |
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Add Community Suggestions
Module | Feature | Reason | Suggester | Vote |
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What element of the project it is for | Name of specification attribute | Why the featured is required/ desired | Name of user suggesting the feature |
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This Sub tab shows the current scope of the project. The vote buttons are used to decide what stays in scope in the “Moderated Scope” and what should be added to the scope from the “Community Suggestions” table.
Moderated Scope
Dev Phase | Activity | Details | ID | Status | Vote |
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DP1 – Desktop Prototype | Hoist Module Design – Basic Version | Design a Desktop version of the Hoist Module that can demonstrate the basic concept. | SALEM-SCOPE-1 | Completed | Completed |
DP1 – Desktop Prototype | Structure Module Design – Basic Version | Design a Desktop version of the Structure Module that can couple with the Desktop Hoists to demonstrate the basic concept. | SALEM-SCOPE-2 | Completed | Completed |
DP1 – Desktop Prototype | Extruder Module Design – Basic Version | Design a Desktop version of the Extruder Module that can demonstrate the basic concept. | SALEM-SCOPE-3 | Not Started |
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DP1 – Desktop Prototype | Hoist Module Design – Advanced Version | Design a Desktop version of the Hoist Module that can operate effectively. | SALEM-SCOPE-4 | Not Started |
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DP1 – Desktop Prototype | Structure Module Design – Advanced Version | Design a Desktop version of the Structure Module that can couple with the Desktop Hoists that can operate effectively. | SALEM-SCOPE-5 | Not Started |
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DP1 – Desktop Prototype | Extruder Module Design – Advanced Version | Design a Desktop version of the Extruder Module that can operate effectively. | SALEM-SCOPE-6 | Not Started |
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DP1 – Desktop Prototype | Hoist Module Manufacture – Basic Version | Manufacture and assemble at least 1 full set of 8 Desktop Basic Hoists | SALEM-SCOPE-7 | Completed | Completed |
DP1 – Desktop Prototype | Hoist Module Manufacture – Advanced Version | Manufacture and assemble at least 1 full set of 8 Desktop Advanced design Hoists | SALEM-SCOPE-8 | Not Started |
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DP1 – Desktop Prototype | Structure Module Manufacture – Basic Version | Manufacture and assemble at least 1 full set of the Desktop Basic Structure | SALEM-SCOPE-9 | Completed | Completed |
DP1 – Desktop Prototype | Structure Module Manufacture – Advanced Version | Manufacture and assemble at least 1 full set of the Desktop advanced Structure | SALEM-SCOPE-10 | Not Started |
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DP1 – Desktop Prototype | Extruder Module Manufacture – Basic Version | Manufacture and assemble at least 1 Desktop basic design Extruder | SALEM-SCOPE-11 | Not Started |
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DP1 – Desktop Prototype | Extruder Module Manufacture – Basic Version | Manufacture and assemble at least 1 Desktop Advanced design Extruder | SALEM-SCOPE-12 | Not Started |
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DP1 – Desktop Prototype | Arduino Sketch Software – Basic | Write a basic script for controlling the Arduino that operates the Desktop Prototype | SALEM-SCOPE-13 | Completed | Completed |
DP1 – Desktop Prototype | Arduino Sketch Software – Advanced | Write an advanced script for controlling the Arduino that operates the Desktop Prototype | SALEM-SCOPE-14 | Completed | Completed |
DP1 – Desktop Prototype | Processing 3 Software – Basic | Write a basic script for reading GCODE, calculating movement commands and sending those commands to the Desktop Prototype arduino | SALEM-SCOPE-15 | Completed | Completed |
DP1 – Desktop Prototype | Processing 3 Software – Advanced | Write an advanced script for reading GCODE, calculating movement commands and sending those commands to the Desktop Prototype arduino including a basic frontend GUI | SALEM-SCOPE-16 | Not Started |
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DP1 – Desktop Prototype | Basic Tests | Run basic low (10>300) coordinate count movement tests to prove general concept | SALEM-SCOPE-17 | Completed | Completed |
DP1 – Desktop Prototype | Advanced Tests | Run full movement tests to include real world CAD generated GCODEs and multi-layer tests. | SALEM-SCOPE-18 | In Progress |
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DP2 – Rig Tests | Structure Module Design | Design the generic full scale Structure Module | SALEM-SCOPE-19 | Not Started |
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DP2 – Rig Tests | Hoist Module Design | Design the generic full scale Hoist Module | SALEM-SCOPE-20 | Not Started |
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DP2 – Rig Tests | Extruder Module Design | Design the generic full scale Extruder Module | SALEM-SCOPE-21 | Not Started |
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DP2 – Rig Tests | Cement Delivery System Module Design | Design the generic full scale Cement Delivery System Module | SALEM-SCOPE-22 | Not Started |
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DP2 – Rig Tests | Controls Module Design | Design the generic full scale Controls Module | SALEM-SCOPE-23 | Not Started |
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DP2 – Rig Tests | HR01 | Design, Manufacture, Assemble and test the Hoist Rig HR01 | SALEM-SCOPE-24 | Not Started |
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DP2 – Rig Tests | HR02 | Design, Manufacture, Assemble and test the Hoist Rig HR02 | SALEM-SCOPE-25 | Not Started |
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DP2 – Rig Tests | HR03 | Design, Manufacture, Assemble and test the Hoist Rig HR03 | SALEM-SCOPE-26 | Not Started |
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DP2 – Rig Tests | ER01 | Design, Manufacture, Assemble and test the Extruder Rig ER01 | SALEM-SCOPE-27 | Not Started |
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DP2 – Rig Tests | ER02 | Design, Manufacture, Assemble and test the Extruder Rig ER02 | SALEM-SCOPE-28 | Not Started |
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DP2 – Rig Tests | ER03 | Design, Manufacture, Assemble and test the Extruder Rig ER03 | SALEM-SCOPE-29 | Not Started |
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DP2 – Rig Tests | SR01 | Design, Manufacture, Assemble and test the Structure Rig SR01 | SALEM-SCOPE-30 | Not Started |
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DP2 – Rig Tests | SR02 | Design, Manufacture, Assemble and test the Structure Rig SR02 | SALEM-SCOPE-31 | Not Started |
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DP2 – Rig Tests | SR03 | Design, Manufacture, Assemble and test the Structure Rig SR03 | SALEM-SCOPE-32 | Not Started |
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DP2 – Rig Tests | CR01 | Design, Manufacture, Assemble and test the Cement Delivery System Rig CR01 | SALEM-SCOPE-33 | Not Started |
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DP2 – Rig Tests | CR02 | Design, Manufacture, Assemble and test the Cement Delivery System Rig CR02 | SALEM-SCOPE-34 | Not Started |
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DP2 – Rig Tests | CR03 | Design, Manufacture, Assemble and test the Cement Delivery System Rig CR03 | SALEM-SCOPE-35 | Not Started |
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DP2 – Rig Tests | COR01 | Design, Manufacture, Assemble and test the Controls Rig COR01 | SALEM-SCOPE-36 | Not Started |
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DP2 – Rig Tests | COR02 | Design, Manufacture, Assemble and test the Controls Rig COR02 | SALEM-SCOPE-37 | Not Started |
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DP2 – Rig Tests | COR03 | Design, Manufacture, Assemble and test the Controls Rig COR03 | SALEM-SCOPE-38 | Not Started |
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DP3 – Full Printer Tests | Hoist Module Integrated Design | Update the Generic Hoist design using Data generated in DP2 and integrate fully with the other Modules | SALEM-SCOPE-39 | Not Started |
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DP3 – Full Printer Tests | Hoist Module Integrated Design | Update the Generic Hoist design using Data generated in DP2 and integrate fully with the other Modules | SALEM-SCOPE-40 | Not Started |
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DP3 – Full Printer Tests | Extruder Module Integrated Design | Update the Generic Extruder design using Data generated in DP2 and integrate fully with the other Modules | SALEM-SCOPE-41 | Not Started |
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DP3 – Full Printer Tests | Extruder Module Integrated Design | Update the Generic Extruder design using Data generated in DP2 and integrate fully with the other Modules | SALEM-SCOPE-42 | Not Started |
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DP3 – Full Printer Tests | Structure Module Integrated Design | Update the Generic Structure design using Data generated in DP2 and integrate fully with the other Modules | SALEM-SCOPE-43 | Not Started |
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DP3 – Full Printer Tests | Structure Module Integrated Design | Update the Generic Structure design using Data generated in DP2 and integrate fully with the other Modules | SALEM-SCOPE-44 | Not Started |
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DP3 – Full Printer Tests | Cement Delivery System Module Integrated Design | Update the Generic Cement Delivery System design using Data generated in DP2 and integrate fully with the other Modules | SALEM-SCOPE-45 | Not Started |
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DP3 – Full Printer Tests | Controls Module Integrated Design | Update the Generic Controls design using Data generated in DP2 and integrate fully with the other Modules | SALEM-SCOPE-46 | Not Started |
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DP3 – Full Printer Tests | EA01 | Complete specific design, manufacture, assembly and test requirements of printer EA01 | SALEM-SCOPE-47 | Not Started |
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DP3 – Full Printer Tests | EA02 | Complete specific design, manufacture, assembly and test requirements of printer EA02 | SALEM-SCOPE-48 | Not Started |
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DP3 – Full Printer Tests | EA03 | Complete specific design, manufacture, assembly and test requirements of printer EA03 | SALEM-SCOPE-49 | Not Started |
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DP3 – Full Printer Tests | EA04 | Complete specific design, manufacture, assembly and test requirements of printer EA04 | SALEM-SCOPE-50 | Not Started |
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DP3 – Full Printer Tests | EA05 | Complete specific design, manufacture, assembly and test requirements of printer EA05 | SALEM-SCOPE-51 | Not Started |
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DP3 – Full Printer Tests | EA06 | Complete specific design, manufacture, assembly and test requirements of printer EA06 | SALEM-SCOPE-52 | Not Started |
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Add Community Suggestions
Dev Phase | Activity | Details | Vote |
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Waiting Inputs… | Waiting Inputs… | Waiting Inputs… |
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This section is for downloading and posting documents for experiment details for the project. If you would like to see a new experiment added to the project scope download the experiment template and post it here. Dont forget to vote for the files you think should be added to the moderated content and downvote any files that are malicious or off topic!
Moderated Content
File Name | Details | Target Vehicle | Experiment ID | Readiness | Revision Date |
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Experiment Template | This is a template for definition of individual experiments | N/A | N/A | N/A | 21/04/2020 |
Add User Generated Content
File Name | Details | Target Vehicle | Experiment ID | Readiness | Uploader | vote |
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Waiting Content | Waiting Content | Waiting Content | Waiting Content | Waiting Content | Waiting Content | Waiting Content |
This sub tab shows the specific tasks for completing the scope of the Project. This section is managed by the Project Manager
Another test
Test Task
Progress Project
Develop the Technology
This is the Project workspace Tab for sharing documents and files for the project. You will find CAD models, code, hardware sources and more in the tabs below. Simply click the file name to download the file. Each tab has a section for user generated content where you can upload files you have created for the project and vote on others work!
This section is for downloading and posting documents pertaining to the overview of the invention or movement the project is for. Dont forget to vote for the files you think should be added to the moderated content and downvote any files that are malicious or off topic!
Moderated Content
File Name | Details | Image | File Type | Uploader |
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Proposal | Detailed proposal | ![]() | .PDE | Jon Knutton |
SALEM Patent | Patent No GB1914822.0. Patent Pending – Report completed, approx. publication date is 03/21 | ![]() | Jon Knutton |
Add User Generated Content
File Name | Details | File Type | Uploader | ID | Vote |
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Waiting Content | waiting content | Waiting Content | Waiting Content | SALEM-DETAIL-PUB-1 |
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This section is for downloading and posting documents pertaining to the modelling and analysis of the invention the project is for. Dont forget to vote for the files you think should be added to the moderated content and downvote any files that are malicious or off topic!
Moderated Content
File Name | Details | Image | Type | Uploader | ID |
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Desktop Hoist Set | Complete set of STL files for the Hoist sub assy of the Desktop prototype | ![]() | .STL | Jon Knutton | SALEM-CAD-1 |
Desktop Structure Set | Complete set of STL files for the Structure sub assy of the Desktop prototype | .STL | Jon Knutton | SALEM-CAD-2 | |
Desktop Hoist – ProDesktop models | A set of desktop hoist CAD files in ProDesktop format | .DES | Jon Knutton | SALEM-CAD-28 | |
Desktop Structure – ProDesktop Structure Models | A set of desktop Structure CAD files in ProDesktop format | .DES | Jon Knutton | SALEM-CAD-29 | |
Desktop Hoist – IGES Hoist Models | A set of desktop hoist CAD files in IGES format | .IGES | Jon Knutton | SALEM-CAD-30 | |
Desktop Structure – IGES Structure Models | A set of desktop Structure CAD files in IGES format | .IGES | Jon Knutton | SALEM-CAD-31 | |
Desktop Structure – Toe | Fits to the foot piece. Each foot supports 3 toes and 12 are required for a set. | ![]() | .STL | Jon Knutton | SALEM-CAD-3 |
Desktop Structure – Foot | Main foot piece of the Leg assy. 4 of these are needed for a full set. | ![]() | .STL | Jon Knutton | SALEM-CAD-4 |
Desktop Structure – Foot Cover | Fits to the top of the foot piece. This allows you to fill the foot with sand or other weighting material. | ![]() | .STL | Jon Knutton | SALEM-CAD-5 |
Desktop Structure – Grid Piece | Standardised Leg segment. The more of these that are stacked together the taller the print envelope becomes. | ![]() | .STL | Jon Knutton | SALEM-CAD-6 |
Desktop Structure – Grid Top | Fits to the final grid piece of each leg and connects with the top supports. | ![]() | .STL | Jon Knutton | SALEM-CAD-7 |
Desktop Structure – Foot Support End | Part of the foot support assembly that links to the foot directly. 8 of these are required to form a full set. | ![]() | .STL | Jon Knutton | SALEM-CAD-8 |
Desktop Structure – Foot Support Mid | Part of the foot support assy that connects to the foot support end. Adding more of these pieces increases the printers print envelope. | ![]() | .STL | Jon Knutton | SALEM-CAD-9 |
Desktop Structure – Foot Support Dowel | Part of the foot support assy that provides a simple method of joining the other supports with a dowel. | ![]() | .STL | Jon Knutton | SALEM-CAD-10 |
Desktop Structure – Top Support End | Top support piece that connects to the Grid Top. Adding extra pieces increases the print space. | ![]() | .STL | Jon Knutton | SALEM-CAD-11 |
Desktop Structure – Top Support Mid | Part of the top support structure that connect to the center pieces. 8 required for a full set. | ![]() | .STL | Jon Knutton | SALEM-CAD-12 |
Desktop Structure – Top Support Center | Adjustable center piece for the top support. 4 required for a set. | ![]() | .STL | Jon Knutton | SALEM-CAD-13 |
Desktop Hoist – Hoist Housing | Single piece hoist housing. | ![]() | .STL | Jon Knutton | SALEM-CAD-14 |
Desktop Hoist – Spool | Cable spool for the hoist. Fits radially onto the Hoist housing with a needle bearing in between. | ![]() | .STL | Jon Knutton | SALEM-CAD-15 |
Desktop Hoist – Spool Cover | Cover for the spool. 8 required for a complete set | ![]() | .STL | Jon Knutton | SALEM-CAD-16 |
Desktop Hoist – Spool Nozzle | The nozzle acts as a cable runner for the spool. | ![]() | .STL | Jon Knutton | SALEM-CAD-17 |
Nozzle Fixture End | This piece fits to the spool cover to allow for fitment and removal of the spool nozzle | ![]() | .STL | Jon Knutton | SALEM-CAD-18 |
Desktop Hoist – Spool Gear | This gear interfaces with the teeth on the spool in order to achieve winding and unwinding of the cable. | ![]() | .STL | Jon Knutton | SALEM-CAD-19 |
Desktop Hoist – Spool Motor Cover | Covers the terminal end of the spool motor. | ![]() | .STL | Jon Knutton | SALEM-CAD-20 |
Desktop Hoist – Gearbox Cover | Covers the gearbox that operates the spool nozzle | ![]() | .STL | Jon Knutton | SALEM-CAD-21 |
Desktop Hoist – Left Track Gear Cover | One of two covers for the left track gear. Features a recess to fit an A3144E Hall effect sensor. | ![]() | .STL | Jon Knutton | SALEM-CAD-22 |
Desktop Hoist – Left Track Gear Cover (Part 2) | Second part of the Left track gear cover. This part is to cover the protruding wires from the A3144E sensor. | ![]() | .STL | Jon Knutton | SALEM-CAD-23 |
Desktop Hoist – Right Track Gear Cover | One of two covers for the right track gear. Features a recess to fit an A3144E Hall effect sensor. | ![]() | .STL | Jon Knutton | SALEM-CAD-24 |
Desktop Hoist – Right Track Gear Cover (Part 2) | Second part of the right track gear cover. This part is to cover the protruding wires from the A3144E sensor. | ![]() | .STL | Jon Knutton | SALEM-CAD-25 |
Desktop Hoist – Track Gear | This track gear interfaces with a track embedded in the grid piece. Circular recesses are for 2mm magnets for the hall effect sensor. | ![]() | .STL | Jon Knutton | SALEM-CAD-26 |
Desktop Hoist – Track Motor Cover | Covers the terminal end of the motors that drive the track gears. | ![]() | .STL | Jon Knutton | SALEM-CAD-27 |
Desktop Hoist – Track Wheel | These wheels fit within the hoist housing and spool cover and interface with the grid pieces. | ![]() | .STL | Jon Knutton | SALEM-CAD-28 |
Add User Generated Content
File Name | Details | Type | Uploader | Upload Date | ID | Vote |
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Desktop Hoist – Short Nozzle | An alternative nozzle for the desktop prototype that is shorter | .STL | Jon Knutton | 19/04/2020 | SALEM-CAD-PUB-1 |
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This section is for downloading and posting documents pertaining to the software of the invention the project is for. Dont forget to vote for the files you think should be added to the moderated content and downvote any files that are malicious or off topic!
Moderated Content
File Name | Details | Image | Type | Uploader | ID |
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Desktop Prototype – Arduino Sketch | Arduino sketch code for operating the SALEM Prototype with an Arduino Mega | ![]() | .INO | Jon Knutton | SALEM-SOFT-1 |
Desktop Prototype – Processing 3 code | Processing 3 code for operating the SALEM Prototype. used in conjunction with the Arduino sketch code | ![]() | .PDE | Jon Knutton | SALEM-SOFT-2 |
Add User Generated Content
File Name | Details | Type | Uploader | ID | Vote |
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Desktop Prototype – Arduino Sketch – Annotated | Updated Arduino sketch to include annotation so its clearer what its doing | .INO | Jon Knutton | SALEM-SOFT-PUB-1 |
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Desktop Prototype – Processing 3 Code – Annotated | Updated Processing 3 code to include annotation so its clearer what its doing | .PDE | Jon Knutton | SALEM-SOFT-PUB-2 |
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This section is for maintaining the hardware requirements and finding the best source for hardware for the project. Dont forget to vote for the sources you think should be added to the moderated content and downvote any files that are malicious or off topic!
Moderated Content
Part Name | Description | Vehicle | Part No | Source | Price | Readiness |
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Waiting Content | Waiting Content | Waiting Content | Waiting Content | Waiting Content | Waiting Content | Waiting Content |
Add User Generated Content
Part Name Description Vehicle Part No Source Price Vote
Waiting Content Waiting Content Waiting Content Waiting Content Waiting Content Waiting Content
by Jon Knutton
Not Set £3.00
Campaign Never Ends 1 metric unit of Thoughts and Prayers. Projects page created
You shouldn’t be on this page…SALEM
Rewards
£10.00 or more
Name
Donate Amount
Date
jon knutton
£1.00
April 13, 2020
jon knutton
£2.00
April 13, 2020
This tab shows the Core Project Team and Community members who have contributed to the Project.
Core Team

TBD
Project ManagerThe project manager is responsible for managing the workscope of the project, arranging physical activities and directing the team. Project managers have access to the projects dashboard and various back-end features.

TBD
CompilerCompilers are team members that add the user generated work to the moderated content.
Contributors
If your suggestion was added to a moderated table you will appear here. The excess funds raised are distributed out to the team and contributors. In the form of payments to the users wallet.
Contributors Name | No of Contributions |
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Waiting Contributors | Waiting Contributors |
core
10
May 20
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