Track each rubber compound batch, press cure and cavity through to the finished part.

A rubber moulding shop makes bushes, grommets, bellows, mounts and bonded rubber-to-metal parts. Raw rubber and fillers are mixed into compound on a mill or an internal mixer. Strips or preforms are cut to weight, loaded into a heated mould and cured under pressure. What decides quality is the mix that went in, the cavity that shaped it and how long it sat under heat and pressure.

Software for rubber moulding companies keeps that chain on one record. Mixing staff see which batches passed the rheometer. Press operators see cure time and temperature for each mould. Trimmers see the flash limit. Quality staff see which cavity made a part. Customers ask for exactly this when a batch fails in service. The chain is short but easy to break.

Drawings arrive with a compound grade, a hardness range and tolerances, and the buyer usually wants a first-off sample signed before any volume run begins. Cure is where rubber becomes a part. The shop quotes from compound cost per kilogram, preform weight, cure time per shot and the number of cavities in the mould. The planner books the mould on a compression, transfer or injection press and checks the compound stock.

Mixing produces batches that are tested on a rheometer for cure curve and on a durometer for Shore hardness. Operators weigh preforms, load the cavities and open the press when the timer ends. Flash is trimmed by hand, by tumbling or by freezing and blasting, and post-cure ovens follow for some compounds before inspectors check dimensions and surface faults. Parts go out with a batch number on the bag.