Thglimited - Heavy Industries

As a CAD specialist you need to develop standard mechanical engineering drawings such that it can be easily interpreted by the mechanical engineer. Before you start working on mechanical drawings, you must know how to use common mechanical symbols correctly. You have to take special care while relating various mechanical components design drawings to the overall plan of the assembly.

The most important types of CAD mechanical drawings associated with the design process are:

1. General Arrangement drawings

2. Detail drawings

3. Fabrication drawings

4. Assembly drawings

General Arrangement Drawings: This kind of engineering drawing provides complete information required to generate layout, transportation and installation drawings for the mechanical component. It also includes a list of arrangement drawings which contains all the dimensions, equipment weight, installation details & service delivery details.

Detail Drawings: All individual members of mechanical equipment need to be depicted in detail to make sure that they are fabricated in accordance with the design requirements, standards and codes. These drawings contain surface texture, geometry, material, size & geometric tolerances etc. The detail drawing also contains all the necessary information required for procurement, manufacturing and regulatory compliance.

Fabrication Drawings: Fabrication drawings are virtual assembly drawing which includes a list of parts and materials used to for fabrication. The fabrication drawing sometimes also includes referenced documents for heat treatment and stress relieving requirements, geometric tolerances and final machining details.

Assembly Drawings: Assembly drawings contains drawings of discrete sub-systems, assembly details of how the components, gearbox drawings, roller drawings and guard system drawings. It will include parts list identifying all of the member details with materials, quantities and supply details.

To view some of the samples of accurate mechanical drawings and design diagrams email us at info@cadoutsourcingservices.com.

Also visit http://www.cadoutsourcingservices.com/contactus.php for further assistance.

I have been coming across the problem of trying to perform Finite Element Analysis on a chassis made primarily from Structural Member Weldments

FEA can only be performed on a solid part so they need to be combined. The process that I am following is described below.

Export the part in IGES format:

File > Save as… > Save as type > IGES (*.igs)

Then import the exported part:

File > Open > *.iges

The imported part will consist of a large number of individual imported solids.

The imported solids are combined:

Insert > Feature > Combine…

Select all members of the chassis by drawing a box around them and click apply.

If you are lucky the operation will complete but if you are like me it may say the familiar “Operation would cause zero thickness geometry”. I diagnosed which member was causing the error by adding the members one by one to the combine feature and running “Preview” and then went back and edited the original model to fix the problem.

You can then start a new study and select the Combined feature. Note that this is to use a tetrahedral mesh. If your chassis is made entirely of weldments you can utilise the ‘Beam Mesh’ option.

Manufacturing company was interested to setup manufacturing facility for Fiat Axle Housing (NPD). The brief details are contained in pdf as given below.

Risk-Analysis-Axle-Housing-Project-Review(F)pdf

The following is reposted from the August 27, 2010 ASEE First Bell:

Taking Cue From Marty McFly, Nike Patents Self-Lacing Sneaker.

The Wired (8/26, Sorrel) “Gadget Lab” blog reports, “Nike has actually patented a self-lacing sneaker” similar to “Marty McFly’s amazing self-lacing sneakers from Back to the Future 2.” While the existence of the patent “is mind-bending enough…pretty much everything has made it in. The shoes will of course fasten themselves, but there are also LEDs a-glowing and a detailed breakdown of the batteries, circuits and control-systems. There is even a charging stand.” Wired includes a link to the patent.

Popular Science (8/27, Dillow) reports that the “cinching straps” in the shoes “work by concealing a tiny battery-driven motor in the heel, though the plans don’t specify the exact mechanism by which the wearer will signal the shoes to tighten up (the words ‘button,’ ‘switch,’ and ‘weight sensor’ are all buried in the text). It also leaves the door open for a variety of self-lacing gear, including ‘skates, boots, ski boots, snowboarding boots, cycling shoes, formal shoes, slippers or any other kind of footwear.’”

Known as the Honda MDX in Japan and Australia, the Acura MDX a mid-size SUV from Honda of Canada Manufacturing Ltd. is built, was introduced in late 2000 as a 2001 model, and in 2003 went on sale in Japan.

New 2006 Acura MDX is a 4-door, seven passenger luxury sport utility vehicle is available in five trim the premium Touring package system navigation and rear DVD. This vehicle is a standard 5-speed automatic transmission with overdrive. Youa carryover from 2005.

In recent years, Acura MDX won the North American Truck of the Year in 2001, and also bags best cars and luxury SUV Driver Magazine and Motor Trend Magazine of Sports and benefits of 'years in the same year.

For these new 2006 Acura MDX, a new drive-by-wire, gas is included, along with state-of-the-art VTM-4 four-wheel drive system, designed to improve control of the vehicle has been modified duringAcceleration, cornering and braking. exterior styling was also updated to provide a representative MDX muscle, performance-oriented look of its impressive powertrain. its front end with a coach look more streamlined and connected to an integrated chin spoiler for the new style and time directly do to improve on the sides of the vehicle.

This new model also receives a number of new features that make it more comfortable and wererefined. This list includes the brushed metal interior dashboard, ambient foot lights and lighting allowed. 2006 Acura MDX models equipped with the Touring Package made available, with eight driver's seat, electrically adjustable lumbar support has been enhanced for power, the natural curvature of the spine bends driver in shape.

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Our well established client is looking for B1 Licensed Engineer (JETSTREAM 31 B1 )

Responsible for control of all airframe / engine / systems and parts manufacture engineering to meet the technical specification, internal quality requirements and the requirements of the regulatory bodies approvals held by employer, including ISO9001 / 2008 AS9100 and EASA Part 145 / Part 21 POA. Responsible for all aspects of airframe / engines and mechanical systems engineering.

Please send your CV to is@tech-hiring.co.uk

Searching for mid to senior level engineer with experience in HVAC, plumbing, fire suppression, compressed gas, and building automation system design.   

Job Description:

• Generate design and overall layout of facility mechanical & HVAC systems
• Projects include (data centers, industrial complexes, government centers, etc)

Education and Experience Required:

• BSME (required)
• 2-5 years (mid-level position)
• 6+ years (senior-level position)
• PE/EIT strongly preferred depending on experience level

This is a contract assignment with the potential to convert to permanent employment long term. 

Location: Kansas City

Contact Mike Gower for more information.

www.mwpersonnel.com