bolster plate

bolster plate

[′bōl·stər ‚plāt]
(mechanical engineering)
A plate fixed on the bed of a power press to locate and support the die assembly.
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References in periodicals archive ?
* Make sure bolster plate holes and all drain holes are open and clear of grease and debris to allow water to drain.
At the center of the top of the sand board is a steel bolster plate sometimes called the fifth wheel.
The bolster plate and crown of this press are 6" and 5" thick, respectively.
A powered bolster plate transfer car then moves the pattern in and out of the "fast loop." There are five positions from the strikeoff to the rollover that are in place for the curing process, which is timed, so that if a mold has timed out, it will enter the rollover draw, if it hasn't, it will wait.
To reduce downtime, the movable-side bolster plate has a cutout for the ejector assembly, which is connected to the mold insert by adjusting screws.
Presses feature dual palm pushbuttons, remote pressure-adjustment gage, top-stroke adjustment with scale, and choice of plain, hole, or slotted bolster plate.
* Make sure bolster plate holes and all drain holes are open and c ear of grease and debris so water can drain.
The molding loop uses a standard size bolster plate for all size patterns.
For processing thin sheet, machine makers such as Sencorp have developed quick-change systems whereby the form or trim tool has fixed retention devices that mate with a quick-change device on the moving platen or bolster plate. The tool is usually lifted on a motorized hoist and deposited on the chain rails (if it's not too heavy) for slide-in installation.
The stampings should simply fall onto the press bed or bolster plate and be pushed out mechanically, unless the press is inclined or the press bed and bolster plate have sufficiently large openings for direct evacuation.