Monthly Archives: June 2014

Tools of the Trade in a CNC Machine Shop

In the old days, metal fabrication was done entirely by hand. As designs for ships, pipelines, skyscrapers, and the like became more complex over the years, machines were built to perform the job more efficiently. Today, metal fabrication usually occurs at a machine shop that employs a computer numerical control, or CNC, system. Engineers and builders alike can expect such a facility to utilize at least some of the tools discussed below.
Plasma cutters are primarily used for cutting very thick materials, especially those that are used to make vents and ducts. However, materials that are more prone to heat damage may be cut using a water jet cutter instead. This machine uses a stream of highly-pressurized water, sometimes mixed with aluminum oxide, to cut a variety of materials. Some substances are impervious to this method, however, so the use of this machine is highly selective. Both the plasma cutter and water jet cutter utilize a software program to make precision cuts.
Machine drills are employed to bore holes on materials. As with the cutting tools, CNC drills use computer software to control specifications, such as depth, retraction, and feed rate. A lathe, on the other hand, is used to secure a material in place while trimming off excess material to ensure a perfect fit. This equipment may also make use of cutting fluid to serve as lubricant, as well as to remove debris. CNC lathes are typically used in making crankshafts and camshafts for ship engines.

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How an Ontario Machine Shop Helps Gather Petroleum from Oil Sands

“Indeed, Husky Energy recognizes the value of having high quality equipment and machinery not only in cost-effectiveness but in delivering optimum performance that will keep the Sunrise project operating to its fullest.

A local CNC machine shop like Central Machine and Marine can offer durable milling and mining equipment and components, like machines for facing tube sheet for heat exchangers, line boring machines, shearing tools and equipment, hydraulic presses, vertical milling machines, surface grinders and many more. The challenge for major resources industries like petrochemical companies lies in assessing which equipment will best work for them, and which provider can offer them the best deals.”
http://www.centralmm.ca/how-an-ontario-machine-shop-helps-gather-petroleum-from-oil-sands/

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Expert Industrial Millwright Services to Prevent a Petroleum Problem

“Oftentimes, pump stations house positive displacement (PD) pumps. They exert more pressure than centrifugal pumps to let the crude oil flow thanks to its reciprocating parts. Maintaining the smallest units of a vast system is essential to keeping the production line in motion. This is where skilled industrial millwright services get involved.

It will be more difficult to find machining experts like Central Machine and Marine in the following years. The shortage in machining skills will greatly diminish the number of qualified machinists, millwrights, and welders available to repair or maintain Canada’s pipeline network. So, as early as now, you should get in touch with the industry’s proven names as part of your contingency plan.”
http://www.centralmm.ca/expert-industrial-millwright-services-to-prevent-a-petroleum-problem/

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Categories of Industrial Pumps

There are many industrial pumps in use today, but they can basically be grouped under two categories: centrifugal and positive displacement (PD) pumps. A look inside each type will help describe their differences better. For starters, centrifugal pumps have one or more impellers while PD pumps don’t.

 

Centrifugal pumps, the more common type of pump, use the impeller to increase the flow rate or velocity of the liquid. Think of impellers as the supersized version of chopping blades in a blender. The liquid then moves from the impeller to the diffuser, which transforms the liquid’s velocity into pressure, which then powers the liquid’s flow through the process. This pump type is used in many industrial applications that require thin liquids to flow at high speed, such as in plastic and cast iron manufacturing.

 

PD pumps, on the other hand, have rotary or reciprocating parts in place of impellers. Widely used for transporting more viscous liquids, PD pumps act like a car engine, applying enormous pressure to the liquid to keep it moving. While the pressure comes at the price of flow velocity, thicker liquids generally do not need to be transported as fast as water.

 

Industrial pumps can also be categorized according to the operation they support or the type of liquid they carry, among others. Cryogenic pumps, for example, are a type of centrifugal pump designed to tolerate low temperature conditions needed by cryogenic liquids. Concrete pumps are a type of PD pump designed to transport viscous concrete.

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