Re: [Emc-users] Die guide post insertion/removal force
On Fri, 26 Mar 2021 at 02:40, Karl Schmidt wrote: > Good example of a great product that didn't sell well - it should have.. > > I was looking to see if there was a Chinese clone of these?? Apparently: https://www.alibaba.com/product-detail/Manual-magnetic-sheet-metal-bending-machine_62296920197.html -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Die guide post insertion/removal force
On 3/24/21 2:23 PM, andy pugh wrote: On Wed, 24 Mar 2021 at 19:10, Nicklas SB Karlsson wrote: for sheet metal bending tool but should work for the few parts I expect to need. ... bending tool will be used to make boxes for my driver cards, If I was making a sheet metal bender I would make an electromagnetic one. http://aaybee.com.au/Magnabend/Magnabend_Homepage.html (Note section 6 which tells you how to make one, if you don't want to buy a commercial one) Good example of a great product that didn't sell well - it should have.. I was looking to see if there was a Chinese clone of these?? -- Karl Schmidt EMail k...@lrak.net 3209 West 9th Street Ph (785) 979-8397 Lawrence, KS 66049 ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Die guide post insertion/removal force
Nick, You’re going to want to purchase new posts. The are actually hardened and ground to two different diameters, undersize by a couple of tens for the bushings and 2-3 thou oversized for pressing into the stationary plate of the set. I got mine here: https://www.janesvilletool.com/C/156/StraightGuidePosts N. Christopher Perry > On Mar 24, 2021, at 3:26 PM, andy pugh wrote: > > On Wed, 24 Mar 2021 at 19:10, Nicklas SB Karlsson wrote: > >> for sheet metal bending tool but should work for the few parts I expect >> to need. ... bending tool will be used to make boxes >> for my driver cards, > > If I was making a sheet metal bender I would make an electromagnetic one. > > http://aaybee.com.au/Magnabend/Magnabend_Homepage.html > > (Note section 6 which tells you how to make one, if you don't want to > buy a commercial one) > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Die guide post insertion/removal force
On Wed, 24 Mar 2021 at 19:10, Nicklas SB Karlsson wrote: > for sheet metal bending tool but should work for the few parts I expect > to need. ... bending tool will be used to make boxes > for my driver cards, If I was making a sheet metal bender I would make an electromagnetic one. http://aaybee.com.au/Magnabend/Magnabend_Homepage.html (Note section 6 which tells you how to make one, if you don't want to buy a commercial one) -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Die guide post insertion/removal force
Yes, and have seen this catalog but other similar company much closer. Are however unsure if they have correct size, need quite large and already a larger than enough steel plate. This one one in figure at page two in the middle and to the right is cheaper which should come as no suprise as the one to the left have a foot. Expect no difference between except fastening so I though it was a good idea to figure how to use the cheap ones. Christopher had used a 20 ton press on 1" so I will probably try this, it is not to expensive, they are most certainly serial produced and sold in store nearby. For higher pressures they are less common and cost at least several times more. Well almost in the realm of real tools, small ones is pretty cheap but this one is quite large and I already have steel plate. Have an old excentric press that hopefully work I will try use it in, the pick on the top I know how to screw in already checked it will into hole on machine. It will be my first one so I build it with cheapest parts as I expect it will be no good anyway and need few parts. Found someone selling iron bars locally, S235JR or S355J2 nearby, not sure if there is any problem machining S355J2 nor if it is good enough for sheet metal bending tool but should work for the few parts I expect to need. EDM might come later, bending tool will be used to make boxes for my driver cards, right now there is a little bit of chick/egg problem as I need the enclosure with good heat sink to run machine on full power. Regards Nicklas Karlsson Den 2021-03-24 kl. 18:33, skrev Thomas J Powderly: dangit , meant to reply list not just to Christopher, sorry Hi Niklas are you talking about whats in this picture? or like this manufacturer? http://www.danly.com/PDFs/DanlyIEM-CatalogDieSets.pdf A simple die shoe set is pretty cheap ( you are in the realm of real tools now, not hobby stuff ) and pretty cheap means you can not do it yourself with the neccesary accuracy. the purpose is usually to stamp parts, tho you and i might use them to make a sink edm using insulated bushes and an old c frame machine tomp On 3/24/21 8:18 PM, N. Christopher Perry wrote: I recently replaced the 1” diameter posts in a die set with a Harbor Freight 20 ton press. I used most of its grunt, but it worked fine! N. Christopher Perry On Mar 24, 2021, at 6:31 AM, andy pugh wrote: On Wed, 24 Mar 2021 at 05:13, Nicklas SB Karlsson wrote: Anybody have any idea about the insertion/removal force of die guide posts? No. Trying to work out what you are asking, it sounds like you might be planning to buy a hydraulic press, but do not know what force you need? But if they are interference fit then it will depend on the degree of interference, so might be quite varied. You might be able to find rules of thumb for general interference fits and infer your requirements from that. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Die guide post insertion/removal force
dangit , meant to reply list not just to Christopher, sorry Hi Niklas are you talking about whats in this picture? or like this manufacturer? http://www.danly.com/PDFs/DanlyIEM-CatalogDieSets.pdf A simple die shoe set is pretty cheap ( you are in the realm of real tools now, not hobby stuff ) and pretty cheap means you can not do it yourself with the neccesary accuracy. the purpose is usually to stamp parts, tho you and i might use them to make a sink edm using insulated bushes and an old c frame machine tomp On 3/24/21 8:18 PM, N. Christopher Perry wrote: I recently replaced the 1” diameter posts in a die set with a Harbor Freight 20 ton press. I used most of its grunt, but it worked fine! N. Christopher Perry On Mar 24, 2021, at 6:31 AM, andy pugh wrote: On Wed, 24 Mar 2021 at 05:13, Nicklas SB Karlsson wrote: Anybody have any idea about the insertion/removal force of die guide posts? No. Trying to work out what you are asking, it sounds like you might be planning to buy a hydraulic press, but do not know what force you need? But if they are interference fit then it will depend on the degree of interference, so might be quite varied. You might be able to find rules of thumb for general interference fits and infer your requirements from that. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Die guide post insertion/removal force
I recently replaced the 1” diameter posts in a die set with a Harbor Freight 20 ton press. I used most of its grunt, but it worked fine! N. Christopher Perry > On Mar 24, 2021, at 6:31 AM, andy pugh wrote: > > On Wed, 24 Mar 2021 at 05:13, Nicklas SB Karlsson wrote: >> >> Anybody have any idea about the insertion/removal force of die guide posts? > > No. > > Trying to work out what you are asking, it sounds like you might be > planning to buy a hydraulic press, but do not know what force you > need? > > But if they are interference fit then it will depend on the degree of > interference, so might be quite varied. > You might be able to find rules of thumb for general interference fits > and infer your requirements from that. > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Die guide post insertion/removal force
On Wed, 24 Mar 2021 at 05:13, Nicklas SB Karlsson wrote: > > Anybody have any idea about the insertion/removal force of die guide posts? No. Trying to work out what you are asking, it sounds like you might be planning to buy a hydraulic press, but do not know what force you need? But if they are interference fit then it will depend on the degree of interference, so might be quite varied. You might be able to find rules of thumb for general interference fits and infer your requirements from that. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] Die guide post insertion/removal force
Anybody have any idea about the insertion/removal force of die guide posts? Up to 20ton is common and available cheap but larger is multiple times more expensive. Have small pile of soldering irons, some good some not, they are they are cheap so no big problem but not want the same thing to happen with more expensive hydraulic presses. Ideally I find something large old rusty cheap but others seems to think the same thing. Nicklas Karlsson ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
