[TowerTalk] Bending Aluminum

[David Gilbert]

His desired bracket has multiple opposing bends.

Dave  AB7E


On 8/10/2019 1:47 PM, Richard Solomon wrote:
> Why not just buy Aluminum Angle
> Stock and cut off what you need ?
>
> 73, Dick, W1KSZ
>
> ps: I doubt you can put a 90 degree
> bend in 6060-T6 that matches angle
> stock.
>
> On Sat, Aug 10, 2019 at 1:29 PM Grant Saviers <grants2 at pacbell.net> wrote:
>
>> It won't take a lot of tonnage.  12T probably enough for the width you
>> might need.  20T surely enough.  Easy to buy  @ Harbor Freight or from
>> some auto parts stores, and a very useful tool for other press work.
>>
>> The challenge with the usual antenna 6061-T6 is using the proper radius
>> dies as T6 is fully hard and will crack if bent on a sharp radius die.
>> Other softer alloys are a lot less challenging and of course less strong.
>>
>> Here is a quality supplier with many die set choices, you need to have a
>> press that fits the width of dies and arbor plates better than the ones
>> from HF.
>>
>> https://www.swagoffroad.com/SWAG-Press-Brake-Kits_c_53.html
>>
>> I have several of their products but use die sets I welded up from hot
>> roll angles for bending steel to 3/8 in my 20T press.
>>
>> Grant KZ1W
>>
>> On 8/10/2019 9:42 AM, Tom Hellem wrote:
>>> Hello Collective Wisdom-
>>> I am thinking about building an H-frame hydraulic press for the purpose
>> of
>>> bending up some brackets out of 1/8" aluminum plate for element to boom
>>> clamps on hf yagis.
>>> Does anyone have an idea of the force required for doing this so I can
>>> determine how big of a hydraulic jack to buy and how beefy I need to
>> build
>>> the frame?
>>>
>>> Thanks in advance for any input.
>>>
>>> Tom
>>> K0SN
>>>
>>>
>>> <
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