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Forming/stamping 304 sheet

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Mark Fry10/04/2017 13:21:42
19 forum posts

Hi all,

I'm planning to have 1,000 pieces of the following made. Material is 304. Does it require several dies be made for multiple stage stamping? Is it even feasible?

I wonder if something like this could be made for less than £2,000 all up.

Any thought appreciated.

Edited By Mark Fry on 10/04/2017 13:22:38

Nick_G10/04/2017 15:34:48
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Posted by Mark Fry on 10/04/2017 13:21:42:

Hi all,

I'm planning to have 1,000 pieces of the following made. ............................

less than £2,000 all up.

Edited By Mark Fry on 10/04/2017 13:22:38

.

Try contacting a company in China.

Nick

Russell Eberhardt10/04/2017 15:49:48
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Assuming your dimensions are in mm not inches it doesn't sound impossible. I've had similar sized parts made in Malaysia for a few pence each and reasonable tooling costs. However you might want to reconsider the design to eliminate the rolled section and the specification of angles to 1/100 degree is a bit extreme!

Russell

Edited By Russell Eberhardt on 10/04/2017 15:52:12

Mark Fry10/04/2017 15:54:09
19 forum posts

Posted by Russell Eberhardt on 10/04/2017 15:49:48:

Assuming your dimensions are in mm not inches it doesn't sound impossible. I've had similar sized parts made in Malaysia for a few pence each and reasonable tooling costs.

Yes, units are in mm.

Does each die cost much to make? How is pressing compared to injection moulding (as plastic) in terms of tooling costs?

> However you might want to reconsider the design to eliminate the rolled section.

Will the rolled section be difficult?

Chris Evans 610/04/2017 18:56:43
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2156 forum posts

At a modest charge out rate of £25 an hour that gives you 80 man hours. Take off that the cost of materials and heat treatment for the tool steel and you have no hope in the UK or Europe. Far east may come up with something in your budget. An aluminium mould to injection mould the item in plastic may work out cheaper, only you know the application.

Russell Eberhardt11/04/2017 07:51:58
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Posted by Mark Fry on 10/04/2017 15:54:09:

Does each die cost much to make? How is pressing compared to injection moulding (as plastic) in terms of tooling costs?

> However you might want to reconsider the design to eliminate the rolled section.

Will the rolled section be difficult?

It was a few years ago now but I think it was around £1500 for the tooling, a lot more in Europe. Plastic moulding tools tend to be a lot more expensive.

Yes, the rolled section will be difficult. It will probably need a multi-stage tool or multiple operations and thus more tooling cost.

Russell.

Ian S C11/04/2017 11:32:58
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I don't know the cost of press dies, but a few years back I manufactured a number of dies/ moulds for forming vulcanized rubber parts, a die maker valued them at an average of $NZ 1500 each for the six dies, cost to me minus time, about $NZ 10, each mould cost $NZ 6 per fill, most of the parts sold in USA for $US 50 each. With these dies I was able to use hot rolled mild steel as no heat treatment was needed, for press tools these would require hardening and tempering, there for needing a high carbon steel. I don't know how big the press would be for an item like that.

Ian S C

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