How do I make this ?

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How do I make this ?

This topic has 12 replies, 8 voices, and was last updated 8 January 2016 at 19:32 by Nick Wheeler.

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8 January 2016 at 17:08 #15827
Sam Longley 1
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@samlongley1
Inglefield clip
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8 January 2016 at 17:08 #220058
Sam Longley 1
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@samlongley1
Can someone help a newby ( Getting lathe & mill later this month)

Hope this is the right place!!!

Above is a picture of a clip. It joins to its partner by holding at 90 degrees & slotting through the slot. I want to attach the bottom cord of 35 flags to race marks so no great load. I have already spliced all the partners to the uphaul lines

I went to buy some more but wondered if i could make them

The 2 holes with rounded edges are relatively easy as is the slot, but I am not sure how to shape the semicircular ends. Need to be rounded on all arrises. Clamping & cutting an outside radius has me stumped

They should be made in 3mm stainless but can also be in 5mm aluminium so that is what i will use. Length is 34mm & width 22mm

size does not have to be exact & the 35 No. that I need do not have to be exactly identical but it would be a good exercise to see that they are.

will be buying the gear at the ME exhibition next week so perhaps someone can direct me as to what tooling I need

And before anyone says so – yes! I can buy them for £ 4-00 a pair– but hey!! would forumites buy them & admit defeat?
8 January 2016 at 17:13 #220062
Speedy Builder5
Participant
@speedybuilder5
Don't forget to buy a rotary table for the mill, and some "T" nuts to suit, and a radiused end endmill.
BobH
8 January 2016 at 17:29 #220068
Nobby
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@nobby
Depends how many ? after drilling the two hole you could file the shape
8 January 2016 at 17:46 #220072
JasonB
Moderator
@jasonb
You could probably pick up a 3D printer at the show

Speedy has it covered but will take a while. If the radius ends and roundover don't need to be 100% a belt sander/linisher would be quicker

Edited By JasonB on 08/01/2016 17:48:44
8 January 2016 at 18:17 #220085
nigel jones 5
Participant
@nigeljones5
yup – belt sander clamped upside down in vice is what i use
8 January 2016 at 18:21 #220087
Nick Wheeler
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@nickwheeler
Mark out, drill the holes, bolt a few together, rough out the end radii with an angle grinder and finish on a belt sander. Add the slots with the angle grinder.

That's OK for half a dozen or so, but life is too short.

Have as many as you need laser cut and spend the time on something important.

Edited By Nicholas Wheeler 1 on 08/01/2016 18:21:42
8 January 2016 at 18:46 #220089
jason udall
Participant
@jasonudall57142
I made a load from stainless chain…

Bar chain if needed but I used plain
Larkshead knot on one end

Btw slit the far side from the weld…metal better behaved there

Edited By jason udall on 08/01/2016 18:49:20
8 January 2016 at 18:52 #220092
jason udall
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@jasonudall57142
Personally I prefer toggles..but the clips are easier on novices
8 January 2016 at 19:01 #220098
Sam Longley 1
Participant
@samlongley1
Posted by jason udall on 08/01/2016 18:46:23:
I made a load from stainless chain…

Bar chain if needed but I used plain
Larkshead knot on one end Btw slit the far side from the weld…metal better behaved there

Edited By jason udall on 08/01/2016 18:49:20

I cannot believe how lax I am !!!!

I sell chain as a side line. i currently about to buy in another 1000kg I could cut the slot with hacksaw then use a shaped milling cutter to form the shape to connect

However. That still does not tell me how to actually machine an item like that from plate. Surely it is not just a case of one having to grind or file it it.

Can I stick it on a vertical stub mandrel & rotate it against a cutter somehow . Each end at a differing radii?
8 January 2016 at 19:02 #220099
Sam Longley 1
Participant
@samlongley1
Posted by jason udall on 08/01/2016 18:52:25:
Personally I prefer toggles..but the clips are easier on novices

Toggles on the top cords on the bottom
8 January 2016 at 19:17 #220102
Martin Connelly
Participant
@martinconnelly55370
You can use the vertical stub method you ask about but you need an extended arm to control it. I think there are YouTube videos of it being done but do not know what search terms will find them.

Martin
8 January 2016 at 19:32 #220104
Nick Wheeler
Participant
@nickwheeler
However. That still does not tell me how to actually machine an item like that from plate. Surely it is not just a case of one having to grind or file it it.

Can I stick it on a vertical stub mandrel & rotate it against a cutter somehow . Each end at a differing radii?

Once you've tried all the setting up and faffing about milling it, you'll see why the grinder/belt sander is a good idea. Of course if you need an exact radius/position then more accurate methods become worthwhile
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