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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Rivet peening
Further to my previous post about a broken push chair I have very
kindly been supplied with new brake brackets by the supplier free of charge (Phil & Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. I have never done this before, does the team have any hints on how to do this without bending the rivet. Thanks |
#2
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Rivet peening
chudford wrote:
Further to my previous post about a broken push chair I have very kindly been supplied with new brake brackets by the supplier free of charge (Phil & Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. I have never done this before, does the team have any hints on how to do this without bending the rivet. Use a pair of rivet sets. http://www.fastfixdirect.co.uk/code/...tegoryID=73209 Hold one in a vice this is the one the head of the rivet fits into. Assemble parts. There are two holes in the set, one is deep and used to set the rivet. Place this over the shank and tap home. The other is cup shaped and used for peening over the rivet. Put it over the rivet and tap with the hammer. |
#3
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Rivet peening
Steve Firth wrote:
chudford wrote: Further to my previous post about a broken push chair I have very kindly been supplied with new brake brackets by the supplier free of charge (Phil & Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. I have never done this before, does the team have any hints on how to do this without bending the rivet. Use a pair of rivet sets. http://www.fastfixdirect.co.uk/code/...tegoryID=73209 Hold one in a vice this is the one the head of the rivet fits into. Assemble parts. There are two holes in the set, one is deep and used to set the rivet. Place this over the shank and tap home. The other is cup shaped and used for peening over the rivet. Put it over the rivet and tap with the hammer. Ah - the useful things we used to learn in metalwork at school Bet they don't teach that anymore (riveting)... -- Tim Watts |
#4
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Rivet peening
Tim Watts wrote:
Steve Firth wrote: chudford wrote: Further to my previous post about a broken push chair I have very kindly been supplied with new brake brackets by the supplier free of charge (Phil & Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. I have never done this before, does the team have any hints on how to do this without bending the rivet. Use a pair of rivet sets. http://www.fastfixdirect.co.uk/code/...tegoryID=73209 Hold one in a vice this is the one the head of the rivet fits into. Assemble parts. There are two holes in the set, one is deep and used to set the rivet. Place this over the shank and tap home. The other is cup shaped and used for peening over the rivet. Put it over the rivet and tap with the hammer. Ah - the useful things we used to learn in metalwork at school Bet they don't teach that anymore (riveting)... Pop riveting .. -- Paul - xxx |
#5
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Rivet peening
Tim Watts wrote:
[snip] Ah - the useful things we used to learn in metalwork at school Indeed, I won the second form prize for metalwork for a riveted set of kitchen tools and several things turned on a lathe or bashed out of bits of copper. Bet they don't teach that anymore (riveting)... I don't think they teach any useful skills now. |
#6
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Rivet peening
On Jun 13, 4:35*pm, chudford wrote:
They are supplied with new, one ended, aluminium rivets which will need to be peened over. I have never done this before, does the team have any hints on how to do this without bending the rivet. First of all, are they cut to the right length? I would expect so, if they're supplied as spares. To make a nice domed rivet head against a flat plate, allow an excess length of about 1 1/2 diameters for a shallow mushroom head, 2 1/2 diameters for a rounded button. It's probably not fussy in this case though, unless they're obviously too long. I assume that you're riveting through tubes (as it's a pushchair)? In which case, most normal riveting goes out of the window. Don't use any punches or sets, or else you'll crush the tube. Assemble the bracket, tube & rivet. If the bracket is moulded plastic and double sided, then you're sorted. If the bracket is single-sided, then you need to close up the joint before you rivet it, otherwise it will give a slack joint afterwards. Put the head of the rivet downwards onto a good backing block: anvil, kerbstone, benchtop with something solid on it. Now push down on the parts around the rivet to close it all up - push, don't hammer. Now rivet it up. Start with a lightweight BALL PEIN hammer - 6, 4 or 8 (if that's all you have) oz. You begin by hitting the rivet end-on with the ball pein of the hammer. This "looks wrong" because it's no way to form a rivet head. What you're trying to do at the start though is to bulge the rivet out sideways immediately above the bracket. This forms a good solid head from the bottom upwards. If you start out hitting it sideways to try and "make a head", you'll form the head from the top downwards, which makes for a weak and hollow head. There's also a risk of clenching it - bending the whole thing over sideways. Once you have a good sized bulge in your rivet, you can start working the ball pein in increasing circles and start making this into a round button or mushroom head. Once it's of roughly the right proportion, switch hammer faces and shape it up with the flat face of the hammer. Riveting is a quick process. If you do it right it's quick, if it's slow it's not working (and probably won't get better). You need to hit just hard enough to move metal - not so hard you screw up, not so light you just annoy the metal and work-harden it, without actually shaping it. You don't need a rivet set for this job. |
#7
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Rivet peening
On 13/06/2011 16:35, chudford wrote:
Further to my previous post about a broken push chair I have very kindly been supplied with new brake brackets by the supplier free of charge (Phil& Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. I have never done this before, does the team have any hints on how to do this without bending the rivet. You need 1 & 1/2 protrusion to rivet it |
#8
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Rivet peening
On 13/06/2011 16:35, chudford wrote:
Further to my previous post about a broken push chair I have very kindly been supplied with new brake brackets by the supplier free of charge (Phil& Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. Throw them away and use nuts and bolts? Use nyloc nuts or a pair of ordinary nuts if the rivet acts as a pivot. -- Kevin Poole |
#9
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Rivet peening
On Jun 13, 10:46*pm, Dave wrote:
On 13/06/2011 16:35, chudford wrote: Further to my previous post about a broken push chair I have very kindly been supplied with new brake brackets by the supplier free of charge (Phil& *Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. I have never done this before, does the team have any hints on how to do this without bending the rivet. You need 1 & 1/2 protrusion to rivet it I can only find protrusions in sets of 10. |
#10
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Rivet peening
On 15/06/2011 09:31, Man at B&Q wrote:
On Jun 13, 10:46 pm, wrote: On 13/06/2011 16:35, chudford wrote: Further to my previous post about a broken push chair I have very kindly been supplied with new brake brackets by the supplier free of charge (Phil& Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. I have never done this before, does the team have any hints on how to do this without bending the rivet. You need 1& 1/2 protrusion to rivet it I can only find protrusions in sets of 10. That should have read... You need 1 to 1 1/2 times the diam, protrusion to rivet it. Dave |
#11
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Rivet peening
"Kevin Poole" wrote in message ... On 13/06/2011 16:35, chudford wrote: Further to my previous post about a broken push chair I have very kindly been supplied with new brake brackets by the supplier free of charge (Phil& Teds by the way) They are supplied with new, one ended, aluminium rivets which will need to be peened over. Throw them away and use nuts and bolts? Use nyloc nuts or a pair of ordinary nuts if the rivet acts as a pivot. I've been away, have not seen the earlier posts and so may have got the wrong end of the stick, but are you sure that these single-ended aluminium rivets are not intended to be used with spring steel push-on washers with rounded caps? That is how a push chair we once had --Maclaren type -- was put together. Stephen Kevin Poole |
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