Published 1/13/2020

Tech Trends: All the Small Things

These products from RJG, Tungaloy, Rhino Products, LLC, Walter and Gesswein are designed to fit within moldmaking processes.

Heather Wintle

Contributing Writer, MMT, MoldMaking Technology

Cavity Pressure Sensor Ideal for Tightly Packed Ejector Pins

RJG releases a 250 lb 6 mm cavity pressure sensor ideal for high cavitation molds with small, tightly packed ejector pins so users can measure cavity pressure in order to improve quality and reduce costs. There are now two models available, one rated to 50 pounds for use with the ejector pins up to 1/8 inch (3 mm) diameter, and the newest one is rated to 250 pounds for pins up to ¼ inch (6 mm) diameter. The 6 mm sensor is a robust, indirect (under the pin) pressure sensor that works in conjunction with the eDart System to assist molders in diagnosing processes and automatically sorting suspect parts. The 6 mm sensor head is the smallest strain gage sensor available, permitting the use in molds that may have tight clusters of pins with limited room.

Expanded Indexable Threading Tools Ensure Minimum Interference

Tungaloy expands its TungThread line of indexable threading tools to include 11ER external threading inserts as well as 8 by 8 mm and 10 by 10 mm square shank holders to accommodate the new inserts. These new 11ER threading inserts and two square shank holders are specifically designed with users of Swiss type automatic lathes in mind. The 11ER insert is smaller than conventional 16ER inserts, and the insert holders are designed to ensure a minimum interference when machined towards the sub-spindle, which is an issue with a 16ER insert holder. This expansion will enhance the TungThread series to meet the needs of various threading applications on Swiss type automatic lathes and other small-parts manufacturing equipment.

Rhino Feet Support Massive Weight Loads

Rhino Feet from Rhino Products, LLC, are especially designed, patent-pending support pads that stick to a wide variety of items and keep them elevated. The compact size of Rhino Feet enables users to place them where they are always within reach. The magnet keep the Feet out of the way so they don’t get in way, and users can stick them to I-beams, toolboxes, machines, benches, cabinets, tables, etc. Rhino Feet can support massive weight loads and have magnetic inserts molded directly into the part. These magnets enable the Rhino Feet to travel with the item they are supporting. It makes transporting and working on heavy metal items faster and easier.

Solid Carbide Milling Cutters Feature Corner Radius

Walter introduces the MC232 Perform line of solid carbide milling cutters. These milling cutters feature a corner radius and reduced neck. Solid carbide milling cutters with corner radii enable improved approaches to individual component geometries. It also improves the tool life of the milling cutter, as the edge stability is increased. The reduced neck in turn makes the milling cutter more flexible, as it can be used with an even wider variety of cutting depths. Diameter sizes range from 1/8 to ¾-inch and 2-20 mm metric, which can be used for typical milling applications and are suitable for a variety of materials.

3D Printer Offers Latest in Digital Light Processing Technology

Gesswein introduces the Everes desktop 3D printers, which use the latest in digital light processing technology. An intuitive user interface and self-calibration enables users to take designs from ideation to creation. Designed are printed layer by layer, from 25 to 200 micron depending upon which Sisma refillable resin used. Zero tilting technology (ZTT) ensures that parts are not pulled away from the vat when printing. In ZTT, the glass affixed to the vat tilts gradually between layers, separating the first printed layer from the bed. This avoids suction between the object and the print bed, reducing the amount of process-related mechanical stresses on the model, and promoting better layer adhesion throughout the part. Smart building platform provides self-alignment and self-zeroing of the build platform at every printing cycle, eliminating any human calibration intervention.

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