Aluminum Melting Furnace

October 25th, 2011

It may not be possible to cater the needs of different industries by any single furnace. Different industries have diverse requirements based on their nature and scope of process. Specialized furnaces to perform a specific task are there to fulfill the demands of critical needs of modern industries. Widely used industrial furnaces are sturdy in construction and design to deliver optimum output without much of maintenance.

One such furnace designed to serve a variety of industrial requirement is Aluminum Melting Furnace.

Though specific in name, this is capable of handling quite a few metals. Well insulated to conserve heat distribution to be homogeneous these furnaces improve the overall length of service of the crucibles. The aluminum melting furnaces are manufactured in variety of capacities and supported by numerous other added components to improve the heat distribution for containing other metals like iron, chromium etc.

Common features of Aluminum furnace are many. For melting aluminum, heating elements are different. The heating is steady and uniform and have digital controllers with indicators. It is easy to install, operate and maneuver and the crucible replacement is easy. The insulation ensures the preservation and uniform distribution of heat. Electrical furnace consists of Swing top cover with lateral displacement for easy operation.

Electric and Gas Fired are the main two types of Aluminum Melting Furnaces. These furnaces consist of the main vessel to hold the molten aluminum and the top, surrounding wall structure are with many electrical resistance-heating elements to maintain the temperature of the molten aluminum. Aluminum to be melted are fed into the charging well which is submerged in the molten aluminum and periodically charges into the main vessel without splashing molten material upon heating elements.

The molten aluminum housed in the chamber from where heat conducted through the molten aluminum and is utilized to melt the charge of fresh feed. The molten metal flows through a submerged opening from the heating chamber into a hot metal well from where hot metal is withdrawn.

Gas Fired Aluminum Melting Furnace design is different. It produces a flat flame pattern promoting uniform heating from the top end. The heat distribution is even and the firing controlled in proportion to the heat requirement. The idea is energy saving and a modulated sequence controller will meticulously does the job, controlling the variable speed blower installed as an integral part. Because of the optimum air fuel mixer the firing modulated to maintain the temperature needed using just the right fuel requirement and still keeping molten condition. Installation of this furnace is quite easy as the combustion train and junction box are all mounted on top of the roof as integral components giving ample floor space. A pneumatic roof opening system will facilitate easy access to the heating chamber for fluxing and cleaning.

The applications are mostly in foundries for casting, melting alloys, refining various other metals. Among industrial furnaces, these are the early innovations updated constantly to suit the ever-increasing demands of the metallurgical industry. These types are still used successfully for optimum results.

Should You Use A Drill Sharpening Service or Do It Yourself?

October 21st, 2011

I. Are Drill Sharpening Machines Too Expensive?

You may have considered sharpening your own drills in the past but you considered the price of a professional drill sharpener too high or that the sharpening machines you can afford don’t do the job. Perhaps you farm out your drill sharpening to a professional service for a few dollars per drill.

In the long run you may be paying much more for this service than you think. Additionally, if the service provider sharpens your drills by hand, you may not be getting the best performance from your drills and you may not get the service life the drill is capable of.

The cost of your drills include not only the price you initially pay but how efficiently your drills continue to operate over their life and what it costs you to get them sharpened. Also, if you have to wait for drills to be returned, do you end up using under performing drills in the mean time or do you suffer down time? Consider those questions.

It may be time to assess the value and the cost of farming out your drill sharpening needs.

II. Examine Your Cost

Let’s do a quick case study.

1. If you sharpen 100 drills per month at .00 per drill:

Your monthly cost is 0
Your annual cost for sharpening is ,000
Add your shipping or transportation cost
Add any machine or labor down time
Add shortened drill life if your drills are hand sharpened

2. Compare to buying a professional sharpener like the Darex V-390 or the XT-3000

Expect to pay ,500 or less
Recoup your initial outlay in less than 3 months
Save about ,500 per year
Avoid machine and labor down time
Extend the life of your drills

So, clearly, there is a good chance that sending out your drills to be sharpened could be costing you significant dollars as well as lowering the performance and long term life of the drills.

III. Can We Really Do It Ourselves?

Don’t let the initial cost or lack of “skills” discourage you from making a valuable purchase that can save you thousands of dollars per year. You can actually sharpen your own drills safely, effectively and professionally in about a minute per drill.

A. Identify a professional drill sharpener that makes it easy for you to sharpen your own drills, one easy enough for the complete novice to safely and accurately sharpen all of your drills as well as the best professional drill sharpening service.

B. Identify the kind of drills you need sharpened and order any additional wheels or attachments. For instance, standard wheels that come with your sharpener will be CBN Wheels. If you deal with carbide you will need to add the diamond wheel. Still, you will see savings in the thousands in the above scenario.

C. Purchase your sharpener and accessories and see the savings begin to add up and realize an incredible return on your money.


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