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Mold Components to 9 Pages 41 to 58 Stack Mold Centering Devices DME Company's Helical Gear Stack Mold Centering Device product line—the HG48-2000—saves time and money in production with interchangeable housings and assemblies that simplify the design, installation, adjustment and maintenance of stack molds. The Helical Gear provides equal and synchronized parting line openings for two- or four-level stack molds. The devices work on standard, spin-stack and other types of stack molds. Measurements for the new HG48-2000 are as follows: 48mm nominal outside diameter of helical gear; 2000mm (78.74") standard maximum length of assembly; and 800mm (31.49") standard maximum parting line opening per side. The devices contain a double-helical gear shaft with a left-hand thread on one end, a right-hand thread on the other and two mating nuts that fit on the corresponding threads. The gear shaft is retained by a pair of tapered roller bearings in the bearing housings, and the nuts are held in the nut housings. Since a stack mold usually needs two or four assemblies to operate, the devices are adjustable to compensate for differences between the moving and stationary side stack heights. Additional benefits of the new DME HG48-2000 Helical Gear Stack Mold Centering Device include: lightweight aircraft aluminum housing; brass nuts to support high loads; taper roller bearings to provide rotational stability of the helical gear in the center portion; easy installation provided by alignment rods; easy adjustability to accommodate asymmetric arrangements; easy maintenance enabled by bearing housing with grease fittings; small footprint; and eye bolts that allow lifting from three directions. Alignment Locks Z-Series Alignment Locks from Progressive Components are available in Guide Lock, Side Lock, X-Series Side Locks and Top Lock styles. According to the company, the locks outperform other models because of a combination of engagement geometry, materials and treatments, particulate capturing and lubrication distribution. The locks' longevity surpasses others, confirmed by extensive independent lab testing as well as monitoring performance in harsh, 'real world' conditions, the company notes, and exclusive features maintain clean and consistent lubrication. For more information from Progressive Components of Wauconda, IL, phone 847-487-1000 or visit procomps.com 100% Quality Assurance. For more information from DME Company of Madison Heights, MI, phone 248-398-6000 or visit dme.net Hydraulic Locking Cylinder DMS offers the BZ Hydraulic Locking Cylinder from HMM Solutions Inc. The company says the BZ Hydraulic Locking Cylinder offers a number of benefits over conventional methods of actuating slides including simplified design, machining, assembly and maintenance, as well as saving space in the mold. For more information from DMS of Oldcastle, ON, phone 519-737-6743 or visit dmscomponents.com Quality you can trust! Each MBI mold base is built to your exacting standards and completed in the shortest possible lead time. MBI mold bases are finish-machined so you simply install cavities, cores, and auxiliary items, making your mold ready for testing. Mold Base Industries, Inc. 7450 Derry Street, Harrisburg, PA 17111 Phone 800-241-6656 • FAX 717-564-2250 Internet: www.moldbase.com E-mail: sales@moldbase.com Custom Mold Bases • Self-Lubricating Components • Mold Plates moldmakingtechnology.com 57