Home |
Search |
Today's Posts |
|
Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
Reply |
|
LinkBack | Thread Tools | Display Modes |
#1
|
|||
|
|||
Niagra shear
I picked up a Niagra mechanical shear at an auction the other day,
14ga x 6 ft. This appears to be a later model since it is constructed of 3/8 sheet metal weldments, instead of the cast iron frames of other Niagra shears I have seen and it has a covered foot switch as an operating control. Does anyone know anything about these shears? Adjustment procedures? I've found a couple of places that will regrind the knives when I need that, but nothing else. The shear itself doesn't have any adjustment information. Anything special about regrinding the knives (other than needing a 6 ft grinder, that is)? If it's not too specialized, there are a couple of places locally that could probably do that as long as I know what to ask for. Anyone know any history on Niagra? I found a reference that they were bought by some holding company out of the UK, but details were skimpy. I assume the 14ga is for mild steel, what would be reasonable for stainless, galvanized or aluminum? Does anyone know what that semicircular depression is for in the middle of the bed? That's been on every Niagra shear that I've seen. There's no power where it's going yet, so for a while it will be running off of a VFD fed by a 5kw generator. That should be an interesting experiment. TIA Paul |
#2
|
|||
|
|||
Niagra shear
the depression is so you can move your piece of metal, you stick your hand in
it. if it cut 16ga steel it will cut 20ga stainless and 12ga aluminum. if you send me a picture i can give you more info. sharpening the blades can be tricky, depending on the blade, some are easy just grind flat others have an angle. |
#3
|
|||
|
|||
Niagra shear
Paul, some shears have blades that are reversible,
you might check to see if your is Good luck! tt |
#4
|
|||
|
|||
Niagra shear
|
#6
|
|||
|
|||
Niagra shear
i usually set these machines up so they will cut paper, make sure the gib
adjustment are thight so it does not tear you softer metals. |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
Shear? | Metalworking | |||
Snowblower and Shear Torque: Pointer to info?? | Metalworking | |||
Mounting a metal shear | Metalworking | |||
FS: Roper Whitney Kick Punch, Circle Shear, Libert Shear | Metalworking |