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Routering Aluminum

This is a discussion on Routering Aluminum within the General Routing forums, part of the Routers category; I have a requirement to shape some components which I am having cut by a ...


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Old 08-20-2010, 03:03 PM   #1 (permalink)
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I have a requirement to shape some components which I am having cut by a waterjet specialist from 1/2" thick aluminum bar.

The edges will need finishing, and while I realise that a CNC milling machine would be the ideal, sadly I do not possess one, but I do possess a router and the ability to make the required templates.

If anybody has experience of routing aluminum, I would be most grateful if they could share it. I am only taking a fraction off of the perimeter, to leave a clean edge, would I be correct in thinking that a 1/4" milling cutter would be the correct tool to use in the router ?

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Old 08-21-2010, 10:45 AM   #2 (permalink)
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Hi Murray

You don't say where you are. It is useful to know at least which country you are in so that we can suggest appropriate sources.
Aluminum Flush Trim Solid Carbide Router Bits by Amana Tool sounds like the tool you need.

Cheers

Peter
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Old 08-21-2010, 04:36 PM   #3 (permalink)
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Quote:
Originally Posted by istracpsboss View Post
Flush Trim Solid Carbide Router Bits by Amana Tool sounds like the tool you need.
Cheers
Peter
Hi Peter and others familiar with routing aluminum:

That certainly looks like the right tool for the job. But, what about just using a regular flush trim straight bit? If you cut close enough to the line (with your band or table saw) so that you were just taking a little bit (pun!) with the router, would it really make that much ($75) difference?

Thanks,
Jim
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Old 08-21-2010, 04:55 PM   #4 (permalink)
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Thanks to you both for your suggestions.

Peter, I have no idea why my location (which is the UK) does not appear on the post, it is in my profile.

I see the merit in Jim's suggestion, but I will (hopefully) have many of these components to rout so I don't mind laying out the $75.00 (although it does seem steep. I would assume that the dedicated solid carbide bit will stay sharper longer than a normal flush trim bit. There is no comparable bit available in the UK , as far as I can see.

I will be removing about .5mm from the perimeter ie the template will be .5mm smaller all round than the workpiece.

Should I be thinking about applying some sort of lubrication to the edge of each workpiece prior to routing ?
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Old 08-21-2010, 07:33 PM   #5 (permalink)
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Hi guys

Here's one for 30.oo dollars that may help with the over head the trim bit below is made like some mill ends,it cuts and pulls the stock out of the path of the new cut, and will not gull up the bit with hot Alum.parts ,unlike most router bits will do..a light duty lube is the key with them..

Spiral Flush Trim Router Bit
#5089 1/4" 1" 1/4" $29.95

MLCS solid carbide router bits

http://www.grizzly.com/products/4-oz...ng-Fluid/H1412
http://www.grizzly.com/products/H7379
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Last edited by bobj3; 08-21-2010 at 07:55 PM.
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Old 08-22-2010, 06:50 AM   #6 (permalink)
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Hi Murray

There's a firm in Essex that do Aluminium working bits. I've had their linenfold bits.

Wealden Tool Company

Cheers

Peter
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Old 08-22-2010, 09:14 AM   #7 (permalink)
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Yeah Bob, that $30.00 bit looks like it would do the job. Hopefully MLCS will ship internationally. Ironically, I bought loads of stuff from them when I lived in the States ...

Peter, Wealden is always my first port of call when buying router bits, but I have to say that I couldn't find anything suitable on their site, not with a bearing.
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Old 08-22-2010, 10:10 AM   #8 (permalink)
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HI

Q: How about Foreign Shipping?

A: Sure, MLCS is happy to process orders for our international customers. We can ship to most countries. Shipping charges are based on the size and weight of the order and the country to which we are shipping. International shipping charges will be displayed accurately in your online shopping cart (subject to offline verification). Most orders ship via 1st Class Mail International and Priority Mail International. However, not all shipping methods displayed are available to all countries due to insurance requirements. Please note that customs duties, taxes, and other import fees may be imposed on shipments by some countries. MLCS cannot be responsible for these charges. We urge you to check with local authorities regarding these charges prior to ordering if you are not already familiar with them. Please check the appropriate box in the shopping cart indicating your acceptance of any duties and taxes. We will not be able to process your order without this verification.


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Yeah Bob, that $30.00 bit looks like it would do the job. Hopefully MLCS will ship internationally. Ironically, I bought loads of stuff from them when I lived in the States ...

Peter, Wealden is always my first port of call when buying router bits, but I have to say that I couldn't find anything suitable on their site, not with a bearing.
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Old 08-22-2010, 01:02 PM   #9 (permalink)
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The UK is usually not too bad on importing small items. When I lived there I used to find I'd only get stung about one shipment in ten for jiffy bag type stuff. Big boxes were different.

Here is impossible. The import office is obviously over staffed and they hit you for everything, every time, typically tripling the original cost.

Cheers

Peter
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Old 08-25-2010, 04:27 AM   #10 (permalink)
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this websites is very nice
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