MoldMaking Technology

NOV 2018

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Page 44 of 51 43 Cleaning Unit's Dual Tank Offers Choices in Cleaning Methods Omegasonics announces that Plural Additive Manufacturing, the exclusive North American distributor of industrial 3D printers manufactured by 3ntr, is offering Omegasonics 815BTX cleaning unit to those purchasing its 3D printers to assist with removing support material. The Omegasonics 815BTX is a dual- tank, bench-top ultrasonic cleaning machine. The model's left tank utilizes BioSolv, a biodegradable, non-hazmat cleaning detergent that Plural Additive Manufacturing developed. The unit's right tank uses hot water. Omegasonics says that the programmable, dual action cleans 3D parts safely and efficiently. The machine leverages ultrasonic technology to optimize the cleaning of precision areas and combines it with agitation to remove support material thoroughly. The 815BTX also features programmable alternating cycles to pro- vide hands-off cleaning from start to finish. Omegasonics / 800-669-8227 / HMC Built for Speed to Aid High-Volume Production Absolute Machine Tools Inc. sells and services the Tongtai SH-4000P HMC, a high-speed machining center designed for high-volume production. The machine has an XY traveling column design in which the pallet moves in the Z direction. The automatic pallet changer (APC) is located in front of the machine to provide easy access and to reduce idle time. The APC is a rotary- type pallet changer that exchanges pallets in 5.9 seconds. For pallet rotation in the machining envelope, a full-contouring B axis precisely indexes the pallet every .001 degree, and a hydraulic clamping mechanism is used to clamp the pallet in place for repeatability. The B axis is high-speed, with a 90-degree index time of 0.5 second. The LHL/LubeUSA grease lubrication system is standard for ways and ballscrews, so there is no coolant contamination or waste oil. The 40-mm (1.57"-diameter) ballscrews have a double-nut, pre-loaded and pre-tensioned design, enabling a traverse rate of 2362" per minute. High-speed acceleration reduces non-cut time. The Absolute Pulse Coder servo system does not require a zero return. A standard, rear-discharge, chip-removal system includes a center trough design with high-volume chip wash for efficient chip removal. A combination dual-level, caterpillar-type conveyor is standard. The SH-4000P has a high-power integral spindle with 15,000 rpm and spindle acceleration from 0–7000 in 0.48 second and 0–15000 in 1.9 seconds. Deceleration from 12000 rpm to stop is 0.8 second. The spindle produces 50 HP peak, 35 HP in high and 25 HP in low while producing 184 ft./lbs of peak torque at only 980 rpm. To enhance milling capabilities, a Big Plus dual-contact spindle is standard. Air and oil mist are used for spindle-bearing lubrication to increase spindle life. The Sankyo RollerDrive gearbox arm mechanism gives the standard 60-sta- tion automatic tool changer (ATC) a tool-change time of 1.4 seconds. Average chip-to-chip time is 2.6 seconds. A FANUC OiM-F conversational control is standard and available with a full range of high-speed machining options for mold detail and electrode machining. Absolute Machine Tools Inc. / 800-852-7825 / Gash Angle Facilitates Better Hole Quality Walter USA says that its new DC160 Advance solid carbide drill delivers high productivity in a wide variety of materials and can be used in a broad range of applications. The margins are located in an advanced, forward position to ensure rapid guidance in the hole. Walter says that a steep gash angle provides ample space for secure chip flow, which results in improved hole quality and reduced feed force. According to the company, a new thinner web provides for better positioning accuracy and improved roundness. The DC160 Advance is avail- able in 3×D, 5×D and 8×D and features grade WJ30ET, which includes a Walter coating to optimize tool life. It has a cylindrical shank ground to an h6 toler- ance, which makes it suitable for shrink-fit and hydraulic holders. The point angle is 140 degrees, and Walter recommends a coolant pressure of 145–580 psi (10–40 bar). With internal coolant, the drill is suitable for ISO P-, M-, K-, N-, S-, H- and O-material types. Walter USA LLC / 800-945-5554 /

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