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The first step (in term of CAD) of any new Component or Product is the Design Concept Drawings. These drawings are usually based on Sketches, Prototypes and Design Meetings. This drawings greatly assist explaining the new Product or Component to others. Concept Drawings are a Top Level General Arrangement drawing and can include the following information:
- Multiple Views (Plan, Side, Isometric etc.)
- Exploded if multiple components/assemblies
- In Colour if this assist
- in 3D (can be reviewed by free 3D viewing software such as eDrawings)
- Annotated to give better explanation
- Overall Dimensions
3D printing is any of various processes used to make a three-dimensionalobject. In 3D printing, additive processes are used, in which successive layers of material are laid down under computer control. These objects can be of almost any shape or geometry, and are produced from a 3D modelor other electronic data source. A 3D printer is a type of industrial robot.
3D printing in the term’s original sense refers to processes that sequentially deposit material onto a powder bed with inkjet printer heads. More recently the meaning of the term has expanded to encompass a wider variety of techniques such asextrusion and sintering based processes.Technical standards generally use the term additive manufacturing for this broader sense.
Preparing Parts for Printing
Often companies have the requirements for CAD Drawings of an existing part.
This can be due to:
- No Drawings exist only the tooling to make the part
- Drawings are very old
- The Supplier makes the part and has and will not provide the drawings
In these cases it is possible to measure the existing part by:
Following this, new 3D CAD models can be created and from this the subsequent 2D Drawings.
Because every project is different, you have different options for how your object is modeled, including standard formats for use in manufacturing, tooling and more. We even create fully parametric models that retain complete feature tree data with our advanced
Reverse Engineering is a term used to describe the process of re-constructing an existing product accurately, for the purpose of manufacturing more of the same kind or modifying it to improve upon its design.
Reverse engineering also means, taking apart an object to see how it works in order to duplicate or enhance the object. The practice, taken from older industries, is now frequently used on computer hardware and software
Stereo-lithography (SLA or SL; also known as optical fabrication, photo-solidification, solid free-form fabrication, solid imaging and Resin printing) is an additive manufacturing or 3D printing technology used for producing models, prototypes, patterns, and production parts up one layer at a time by curing a photo-reactive resin with a UV laser or another similar power source.
Concept Drawing, usually based on Sketches, Prototypes and Design Meetings. This drawings greatly assist explaining the new Product or Component to others. Concept Drawings are a Top Level General Arrangement drawing and can include the following information:
- Multible Views (Plan, Side, Isometric etc.)
- Exploded if multiple components/assemblies
- In Colour if this assist
- in 3D (can be reviewed by free 3D viewing software such as eDrawings)
- Annotated to give better explanation
- Overall Dimensions
The parts get supplied and then measured (either by CMS or Hand) to then generate a new 3D CAD model. At this stage one can easly introduce any changes that might be required. From the 3D CAD model one can then create new Manufacturing Drawings.
Tooling is the process in which your product is made using equipment or machinery. For example, injection molding produces plastic parts like alarm clock housings or toys, in mass quantities. Metal stamping is used to produce metal parts, like stove tops or toasters.
You need a complete range of relevant skills. As well as the technical skills involved in developing the product, these include:
- Market research skills to ensure that your product meets customer demands.
- Design skills for the product and its packaging.
- Purchasing and production skills.
- Financial skills for project budgeting, costing and product pricing.
You may need to involve people from outside your business for some of these skills. For example, it’s common for businesses to use external designers, though you must take care to ensure that you retain the intellectual property rights.
As well as the skills, you need to commit sufficient resources to the project, in terms of both money and people’s time. A personal commitment to the success of the project is also important to drive it forward.
In practice, most new products are improvements on existing products. Although improving an existing product might seem to have less potential than developing a completely new product, it is often enough to give you a competitive edge in a proven market.
Improving existing products is generally easier and less risky than developing completely new ideas. You are likely to have a better understanding of the technologies involved and customer preferences for that kind of product. The development process is usually less complex, requires less investment and can be completed more quickly. That said, if you manage to successfully develop and protect a ground-breaking innovation – something that really is a first – the rewards can be huge.
Customers are a good starting point. Look at what they want from a new or improved product. Some businesses like to think in terms of a ‘unique selling proposition’ (USP) – a clear reason why customers should switch to your product.
Prepare a product specification (spec) listing what features your product must have, and how they translate into specific requirements. For example, a product might need to be strong but also lightweight. You will also want to specify other constraints: for example, whether the product needs to match other products in your range or to meet specific legal requirements.
The design phase uses this spec to design the product. Effective design is wide-ranging. As well as fulfilling the product spec, it includes considering how component and processing costs can be minimized.
As the design progresses, you may have one or more pre-launch stages when you test the product. For example, you might develop a prototype or you might launch a pilot version of the product to a few customers to help iron out problems and build demand. Some products need to be submitted for product testing and certification.
Finally, you have the launch and roll-out of the product.
Choose a product champion with the enthusiasm and energy to make things happen. Give this individual the authority to run the project (within an agreed budget) without continual interference. Set up a project team that includes people with all the relevant skills (see 9). Involve a complete team from the start so that people can work in parallel and problems can be spotted at an early stage.
Make sure that everyone in the team is agreed on the main objectives, based on the product specification. Use this to delegate specific areas of responsibility and objectives to individuals. Agree an overall budget and budgets for different parts of the project.
Draw up a critical path showing what tasks need to be completed, in what order. Build in a process of regular project review so that you can check progress and see how your plans need to be changed.
Work to keep the team motivated. Be prepared for setbacks along the way, and let team members know that you expect them: otherwise, individuals may be afraid of making mistakes and demoralized when problems arise. Try to maintain a ‘can do’ attitude; if possible, avoid including negative or obstructive individuals in the team.
Crucially, you should develop your manufacturing plans at the same time as you design the product, so that efficient manufacturing is part of the design.
Aim to minimize the number of components and the complexity of assembly. Where possible, use inexpensive standard parts that you already use in existing components or that are easy to source.
Look for opportunities to subcontract work or to buy in sub-assemblies, rather than making everything yourself. This can help to simplify the product development process as well as reducing your eventual production costs.
A retainer fee is a fixed amount of money that a client agrees to pay, in advance, to secure the services of a consultant or freelancer. The fee is typically not associated with the success of a project or based on achieving particular results. A retainer is often paid in a single, lump sum, or on an ongoing basis (typically monthly or quarterly).
It can be very helpful to have a working prototype. You can use a prototype to check that a new design works mechanically. You can also use a prototype to assess customer reaction to the look and feel of a product.
It may be worth going through more than one prototyping stage. For example, you could use a sketch at an early stage to gauge initial reactions to an outline design before investing heavily in developing it. If you are improving a product, you might produce models that demonstrate the improvements rather than a full prototype.
If you have a good Idea for a product you should acquire Protection. The question is when is the right time to do it ?In any case, until your idea is developed thoroughly enough to obtain a solid patent, always have an Intellectual Property Agreement or Non-Disclosure Statement for others to sign.
The patent safeguard, is considered solid only if it is based on a Working Prototype with basic engineering and testing. In the corporate world if a patent is acquired at all, it is usually after prototypes are obtained, but before trade shows are visited, and other forms of public advertising are utilized.
Include people from all areas of the business. For example, including people from marketing, production and finance helps ensure that the project delivers a product that customers want, that you can produce and that is financially viable.
Make sure that your product development team includes all the skills needed. This may mean including external consultants with specific skills – for example, if you do not have in-house designskills. , You must take care to ensure that you retain the intellectual property rights.
New product development is an essential part of your business strategy. Although new product development carries risks, not developing new products is even riskier: over time, competing products will outperform and you will lose customers.
Plan for new products on a scheduled basis. Look for opportunities to extend the lives of existing products: for example, by repackaging or adding new features. Don’t wait for competitors to launch their new products before you start working on yours.
