Rallay is a Certified SolidWorks Professional (CSWP). He is a mechanical design engineer and has been handling complex design projects since 2010. Most of his CAD projects are 3D models, electrical circuit diagrams, P&ID’s (Piping and Instrumentation Diagrams), sheet metal drawings and weldment drawing. He has experience in the following engineering disciplines:

• Mechanical design engineering,
• Automotive engineering,
• Petroleum engineering,
• Hydraulics engineering and
• Industrial automation.

He works as a freelance design engineer, offering support to small and medium scale industries in India. He has also successfully handled projects with American multinational conglomerates and some of Asia’s biggest transport equipment companies.

So far he has handled projects involving:

• conceptual designs, parametric designs, 2D to 3D of parts & assemblies.
• 3D models of casting, forging & machined parts, sheet metal, assemblies, weldments and surfacing.
• manufacturing and detail drawings, general arrangement drawings (GA’s).
• technical documentation, operation and maintenance manuals, exploded views, spare part manuals, testing procedures and spare part stickers.

Some of his recent works include:

• 2D to 3D conversion of Lever Safety Valve created on Inventor.
• 2D to 3D conversion of Single Plate Clutch created on Pro/Engineer & Creo.
• 3D Model and detail drawing of Wear Ring used in Fifth Wheel Coupling – SolidWorks.
• Assembly drawing with BOM of Fifth Wheel Coupling.
• Fifth Wheel Coupling assembly – SolidWorks.
• Trailer Axle Exploded View with BOM for an Indian client.
• Leaf Suspension Exploded View with BOM for an Indian client.
• Prepared around 50 electrical schematics for testing of 4G SIM card.

He likes to work on CAD software such as SolidWorks, Autodesk Inventor, Creo, and Pro/Engineer.
He aims to continuous learn and update his software skills as he believes that most clients, particularly real estate and architectural companies, look for quick delivery and accuracy and by honing his software skills he is able to work more efficiently and quickly. He employs quality control and maintenance techniques at all times.

He noted that since clients are very particular about commitment to the delivery schedules, it is very important for CAD professionals to maintain good communication. Mr. Rallay uses Skype and Zoom meeting software to tackle problems remotely, but whenever required, he meets his clients in person.

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Sharma provides engineering services to structural steel and pre-engineered steel builders. He has worked with churches in the US and a company involved in digital electronic equipment, construction material and car accessories equipment.

When serving clients in the US, he works according to the building code standards of MBMA and AWIS. Since building code standards change from company to company based on their production capability, so he collects their standards during the course of a project. In this way, he easily adopts their standards during the preparation of GAD’s (general arrangement drawings), which he then uses for creating fabrication drawing. A fabrication drawing is further used to create shop drawings. Based on such shop drawings, he creates a component list in the form of a shipper (i.e. equipment lists for the logistics service provider).

On the basis of a company’s standards and approved drawings, he prepares shop, fabrication or component assembly drawings and bills of materials (BOM’s) or shippers. He mainly uses AutoCAD, TEKLA and MS Office to prepare these documents.

With respect to pre-engineered buildings (PEB’s), he handles all types of complexity, such as high bay and low bay combinations, fascia, bypass and flush conditions, mezzanines, cranes and crane walkway platforms, staircases, sunken slab mezzanine cut outs, canopies, screw downs and floating roof systems.

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V. Gainoutdinov is currently an independent CAD consultant, a role he has performed since 1993. Mr. Gainoutdinov was previously the head of design at Lambda Research optics, a mechanical engineering design company based in the United States, from 1993 to 2013.

Mr. Gainoutdinov oversaw all design activities for the company and managed a team of 2D and 3D designers (focusing on Autodesk Inventor SolidWorks, AutoCAD and CATIA 5). Mr. Gainoutdinov started his career as Mechanical Engineer at Sure Fire LLC., where he was responsible for implementing the use of CAD tools in the company. He also worked directly with the company’s customers, including military personnel and engineers. Mr. Gainoutdinov received a BMES in Mechanical Engineering/Aerospace from MATI.

Comments

1. Describe a project that was particularly challenging. What was challenging about it? What was the solution and what results did you achieve?

   All projects which I managed were challenging . Challenges differ from material of the product to customer requests. Solution is simple: do what customer required.

2. Which CAD software programs do you find the most useful for the kind of work that you do? What are the pros and cons of the various CAD software programs that you use?

   I use different CAD software, such as Solid Works,Autodesk Inventor, CATIA V5, Pro-E CREO. All software are different in way of operation and speed

3. How do you keep yourself up-to-date with the various developments in your field of work?
   Which new skills have you acquired in the past year?
   What new skills do you plan to acquire in the future?

   I do update my skills by keeping myself informed by checking Engineering Websites, company new product development announcements regarding material properties and product design based on new modern materials. I do have some plans.

4. Are there any kinds of activities that you feel are better to outsource or subcontract than to do yourself?
   Why or why not?
   What are some of the risks, in your opinion? Benefits?

   I prefer to do jobs myself because I am not sure that anyone else can make my project better.

I. Spasic designs models for testing in wind tunnels, including the interior redesign of models for placing measurement equipment, redesign of the exterior of the model for optimization of geometry for the wind tunnel test, making the necessary technical documentation, production and assembly documentation. His work includes coordination with manufacturing engineers in the preparation of technological process and machining (CAM), and coordination of all stages and final model control.

His work includes the following:

• Working as CAD engineer, proficient in computer-aided design in Siemens NX (Formerly Unigraphics).
• Advanced knowledge of 3D design, assembly design, surfacing, drafting and documentation, and control of models geometry
• Developing models that meet needs of wind tunnel testing, most often on a compressed time schedule.
• Preparation or/and editing of solid models using NX versions 7.5 and 8.
• Conversion of models to 2D drawings, and in many cases converting 2D drawings to 3D models.
• Reverse engineering (the reverse-engineering process involves measuring an object and then reconstructing it as a 3D model).
• Creating assembly documentation, reports and assembly guides.
• Design of mold tools for plastic or composite materials.
• Design of electrodes for electric discharge machines.
• Design of large number of prototype parts, tools or assemblies used in MTI (The Military Technical Institute – Republic of Serbia).
• Design of 3rd-party (non army) customer projects.
• communication with wind tunnel engineers, manufacturing Engineers and production personnel.