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Fixed and movable jaw plates, toggle plates and side liners for McCloskey J40, J45, J50 and J55 jaw crushers.
Four compact jaw machines: J40, J45, J50 and J55. These are usually fed with material that has already been broken once, and that single fact should change which tooth profile you buy.
A plate profiled for quarry rock will not do the same job on demolition feed, even on the same machine.
Quarry feed is blocky and needs tall teeth with wide spacing so the plate grips. Construction and demolition feed is already reduced and often contains rebar and flat material, so what it needs is turning and crushing rather than gripping. A quarry profile on that feed gives poor nip and wears the tips flat. We ask what goes into the hopper, not just which model is on the chassis.
A compact jaw moves fewer tonnes, so a wrong profile shows up as a cost much sooner than on a large machine: two weeks of lost life is a rounding error on a big frame and a real number on a J40. We will do that arithmetic with you if you send the throughput and the hours per plate.
Most plate orders on these machines also need a toggle or a set of side liners, and ordering them apart means two freights and two waits on a machine that is probably on a deadline. We quote the group together and state which items are cast and which are machined.
| Model | Parts | Chamber options | Material |
|---|---|---|---|
| J40 | Fixed Jaw Plate, Movable Jaw Plate, Toggle Plate | — | Mn18Cr2, Mn13Cr2 |
| J45 | Fixed Jaw Plate, Movable Jaw Plate, Toggle Plate | — | Mn18Cr2, Mn13Cr2 |
| J50 | Fixed Jaw Plate, Movable Jaw Plate, Toggle Plate | — | Mn18Cr2, Mn13Cr2 |
| J55 | Fixed Jaw Plate, Movable Jaw Plate | — | Mn18Cr2 |
Lead time: 15 to 30 days from drawing or sample
J40, J45, J50 and J55, with plates, toggles and side liners in the table above.
We quote to drawing, so the profile follows the drawing you approve. Tell us the feed type and we will say which profile we would put on it and why.
No. Each frame has its own plate size. We confirm from the machine plate rather than the model name, because the numbers are close enough to be misread.
Brand names and model designations on this page describe which machines the parts fit. Shanghai Dynamix Power is an independent manufacturer of aftermarket replacement wear parts and is not affiliated with, authorised by, sponsored by or endorsed by any original equipment manufacturer. Original part numbers, where shown, are cross-references for identification only.
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