How to cut thick material from edge
15 May 2020 22:04 #167894
by thefabricator03
A war ship you say, sounds like a challenge!
How is the taper on oxy cut parts? When I started my Boikermaker/Welding apprenticeship back in 2005, the first thing we learnt was how to properly use a hand oxy. Makes life easier when working with steel when you can heat, bend and cut it at will.
Replied by thefabricator03 on topic How to cut thick material from edge
It works pretty well really. We had one part from 32mm and it did not matter much if it was flame cut or done with Hidef plasma. A bit more cleanup on oxy. It was too thick for laser cutting. The guys in Brissy her that do the flame cutting have a table if you can call it that which is 90 metres long! Pretty impressive. Wanna cut a warship out? They showed me some parts they cut that were about 6" thick.
A war ship you say, sounds like a challenge!
How is the taper on oxy cut parts? When I started my Boikermaker/Welding apprenticeship back in 2005, the first thing we learnt was how to properly use a hand oxy. Makes life easier when working with steel when you can heat, bend and cut it at will.
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15 May 2020 22:59 #167898
by tommylight
Replied by tommylight on topic How to cut thick material from edge
A good machine Oxy torch will cut 160mm at quite nice finish requiring little after work. As with everything there are some "gotchas" working with it, most of it i do not know, unfortunately.
About 15 or so months ago i was working as a General Manager at a local factory dealing in metalwork for export to Austria, there was an employee there who knew everything about Oxy cutting, would not teach anyone even if his life depended on it! Miserable P. of $itt!
The machine i built for them has two separate fully functional Z axis, both with floating heads, one was used for plasma and the other for Oxy, i did quite successfully cut some 60mm material on it with more than respectful finish, just a quick angle grinder was needed to be perfect.
Preheat is very important, otherwise it ends up in strange shapes !
About 15 or so months ago i was working as a General Manager at a local factory dealing in metalwork for export to Austria, there was an employee there who knew everything about Oxy cutting, would not teach anyone even if his life depended on it! Miserable P. of $itt!
The machine i built for them has two separate fully functional Z axis, both with floating heads, one was used for plasma and the other for Oxy, i did quite successfully cut some 60mm material on it with more than respectful finish, just a quick angle grinder was needed to be perfect.
Preheat is very important, otherwise it ends up in strange shapes !
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