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What is the best way to connect 2 pieces of steel together, to make i strong on a Lloyds machine (bolt, weld & etc)?? Answered


I am required to make a 'joint' between to same steel samples.. but the rules are:

- The joint will be tested for strength & weighed. Mark awarded in proportional to Load (N) - 100 x mass (g)

- All materials and methods are permitted for joint (welding, bolting etc).

- Material around hole must NOT be reinforced, but it may ve cut back

- All completed joints must fit into the Lloyd machine, using standard attachment (with 8mm diameter pin through the 10mm hole). The holes MUST be 300 +/- 20 mm apart (centre to centre). These holes must be oringal holes - drilling new holes for pin is not permitted.

Any help would be So appreciated! Many thanks

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user
gearhead1951Best Answer (author)2009-10-13

try araldite !  If you are (or are studying to be) a mechancal engineer then go to thier website as they give you all th' pertinet data !!

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user

let me know how it comes out !

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user

let me know how that works out for you ,  I might try th' araldite fer my next bike build instead of weldin' certain parts !

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user
steveastrouk (author)2009-10-13

Sounds like your homework.

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user

Its a project and ive done tests alreadly.. involving just welding, bolting and a mixture of both.
So i just wanted to know any different alteratives maybe... because i feel ive ran out of any other ideas

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user

What were your failure modes ? Have you managed to reach the UTS of the material ? Or are you always seeing failure in the fastening ? 
What kind of steels are you using ? Did you weld them in an inert atmosphere, or with a TIG process ? Did you post anneal them ? Did you ensure the samples were very dry to avoid hydrogen issues ? Clean, new steel ?

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user
lemonie (author)steveastrouk2009-10-13

Hope it is and not their job...

L

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user
steveastrouk (author)lemonie2009-10-13

Sounds fun doesn't it ? 

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user
lemonie (author)steveastrouk2009-10-13

More fun than gutting animals...

L

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