split mold

split mold

A mold whose cavity is formed by two or more parts that are separable.
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A split mold for forming, molding, or welding thermoplastic tubing extends through an RF coil for inductive heating.
The split mold design allows direct access to the mold cavity making balloon removal simple.
Hot runner technology; split mold kit (K2500); quick mold change kit(K3500) Hommer Tool & Mfg.
Hasco says it eliminates costly split mold inserts by installing the tip first and the shaft afterward.
The preform, still on its core rod, is then indexed to a blow station where the preform is inflated against a split mold wall.
The MH2 nozzles have two or four gates with tips that are fixed in a split mold insert that allows the nozzle shaft to slide vertically to compensate for thermal expansion of the shaft.
Valves for split molds, knockout, unscrewing threaded blow pins, parison spreaders, up/down movement of blow pins, etc.
With horizontally split molds the casting size capacity is increased almost 50%.
Many applications utilize moving split molds, which allow removal of molded parts by relieving deeply recessed areas (for deep blow ratios and part entrapment) by repositioning the mold slide and leaving a good radius on the deep area.
Table 2 shows the numbers for a ductile iron foundry using vertically split molds, and compares them for two time periods - actual 1974 values and inflation adjusted values for 1995.
In the Shaw process, split molds are made by pouring a refractory slurry over a prepared pattern.