Platens for Injection Molding Machines

Parts of a platen

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Cast iron plate the mold half is bolted to. A toggle machine has three: the stationary platen at the injection side, the moving platen and the rear platen behind the toggle.
Machine Platen (Movable / Stationary)
The four tie bars pass through the corner bores. In the moving platen each bore has a bushing, so the platen slides along the bars without wear.
Tie Bar Bushing
Slots across the platen face for the bolts of the mold clamps that hold the mold half in place.
Mold Clamping Plate / Locating Ring
Threaded holes in a set pattern, for bolting the mold or its clamps straight to the platen.
On the stationary platen the locating ring in this bore centers the mold on the nozzle. On the moving platen the bore lets the ejector rod through.
Mold Clamping Plate / Locating Ring
On the moving platen, extra holes for ejector rods that push the mold’s ejector plate at several points.
Ejector Rod
Lugs on the back of the moving and rear platens where the toggle links are pinned.
Toggle & Links (5)

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How each part works, how it wears and what to send for a replacement quote, with drawings.

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Most of what we supply is not listed online. Send the machine model with a photo or a short description, and we find the part for you.