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Blow

Moulds for blow process

Blow mould equipment for Blow Machines includes: Block Moulds, Inserts, Plungers, Guide Rings, Neck Rings (4-part), Blow Moulds, Bottom Plates, Vacuum Heads, Graphite Holders, etc.

With these kinds of mould equipment, parison designing knowledge gains great importance. Merkad engineers simulate the movement of the parison under different production circumstances with the help of a special software program. This program enables the company to foresee any kind of problem, which may occur during the blow glass production.

Determining where to position the exhaust holes on a blow mould requires further experience.Wellpositioned exhaust holes on a blow mould make the lines of a design clearer and more apparent in a glass product.

If a complete blow mould set is provided by Merkad, the company is able to provide the following information to the customer:

Calculation of a parison which they need to work with; Allowance of parison hanging, after pressing process; and Weight of the final glass item, after crack-off or burn-off.