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Mold Components Pg. 5 Unscrewing Devices Superior Die Set offers its Threadformer family of unscrewing devices. The Threadformer is a versatile yet simple core unscrewing system, which utilizes a powerful hydraulic motor and a fixed mechanical dead stop to achieve remarkable core positioning accuracy in a compact package, the company states. These made-inthe-USA machines are built to last with a rugged design that facilitates high production runs with minimal maintenance. Superior also supports its product with full technical support, providing 3D and 2D models as well as design assistance free of charge. The units are capable of unscrewing thread diameters ranging from 10-32 up to 80mm and thread lengths up to 70mm with the standard units. The flexible range of unscrewing units consists of three primary models, all available in single or twin core variants, including a unique right angle unit capable of internal core cooling. The Threadformer can be adapted to the majority of lower cavitation requiring threaded core applications. Superior can also provide the threaded core along with the unit, taking yet another hassle out of unscrewing molds. For more information from Superior Die Set Corporation of Oak Creek, WI, phone 414-7644900 or visit superiordieset.com Parting Line Locks—SelfLube SelfLube offers an array of parting line locks, which are made of shock-resistant S7 and rugged O1. SelfLube's side, top and guide locks for molds and dies are also TiN-coated for hardness and durability, the company notes. For more information from Self Lube of Coopersville, MI, phone 616-837-9721 or visit selflube.com Cylinder Offers Control of Mold Plate New cylinders from HASCO offer optimum control of mold plate assemblies Z2371/... and Z2380/... according to the company. Multi-cavity hot runner systems are being built into smaller spaces, with tighter cavity to cavity distances, the company explains. With needle valve gated systems, the plunger surface area is frequently not large enough for the necessary forces to close the needles. For this reason, new service-friendly cylinders for operating larger mold plate assemblies have now been developed. They are operated either pneumatically or hydraulically. With the pneumatic drive Z2371/... only a plunger provided with Viton sealing rings is inserted into the appropriate hole of the platen. The screw connection with the mold plate assembly is then carried out centrally via the plunger. This means that, for servicing, the plunger can remain in the platen if the mold plate assembly has to be loosened. A cover provided with a locking ring seals off the system on the machine side. The simple pocket machining geometry can also be carried out economically, the company notes. With the hydraulic variant Z2380/... the plunger has been additionally provided with a specially manufactured housing. The inner surface is designed specifically to meet the demands of a hydraulic seal. According to the company, this ensures a high level of impermeability. As with the pneumatic version, the mold plate assembly is screwed through the plunger, which means that the hydraulic system remains closed and the user's environment is not contaminated with hydraulic oil. The cutting geometry required for the platen has also been kept very simple to avoid unnecessary costs. The positioning of the feed holes has been designed so as to avoid any damage to the sealing rings during assembly. For more information from HASCO of Fletcher, NC, phone 828-650-2600 or visit hasco.com/gb Custom Components Template Library To speed up quote turnaround time and delivery, as well as improve part specification accuracy, PCS Company has developed a comprehensive library of custom component templates. Using the PCS Custom Components Template Library will make sure the company has all of the information needed about a specific custom component. For more information from PCS Company of Fraser, MI, phone 800-521-0546 or visit pcs-company.com 56 MoldMaking Technology July 2013