Please follow me if you like, I share new knowledge every day. 1. Types of Counters As shown in the figure, the Siemens S7-1200 PLC has three types of counters: Count Up Counter (CTU), Count Down Counter (CTD), and Count Up/Down Counter (CTUD). They belong to software counters. The maximum counting rate is limited by … Read more
User Question: What are the differences between BJ technology and SLM technology? 1. Different Principles: (1) SLM Technology: Uses a laser to directly melt metal powder, stacking layer by layer; (2) BJ Technology: First sprays adhesive onto the metal powder, then sinters at high temperatures to solidify. 2. Part Performance: (1) SLM Technology: Produces high-strength, … Read more
GKN Aerospace has made significant strides in the industrialization of additive manufacturing, with its 3D printed fan case mounting rings (FCMR) project expected to achieve full-rate production by the end of 2025. The company has begun batch deliveries from its facility in Trollhättan, Sweden, with production expected to increase from the current approximately 30 units … Read more
Introduction Additive manufacturing (AM) technology seems to offer significant opportunities to meet the demands of space flight, as it helps save materials, reduce transport weight, and shorten production time. Additionally, it supports the use of recycled materials or materials collected directly on-site, known as in-situ resource utilization (ISRU). Over the past decade, NASA and space … Read more
02 Factors Affecting PCB Prices Every procurement personnel in electronics factories has experienced headaches due to fluctuating PCB prices. Even seasoned buyers may not fully understand the reasons behind these price changes. To assist buyers in calculating PCB costs and confirming quotations, the following factors affecting PCB prices have been summarized. 1. Materials Taking ordinary … Read more
From Components to Complete Systems: The Paris Air Show Reveals How 3D Printing is Disrupting the Aerospace Supply Chain On June 16, the biennial Paris Air Show opened, attracting aerospace manufacturers from around the world. As expected, additive manufacturing became a major highlight of the air show, with numerous additive manufacturing companies exhibiting, and aerospace … Read more
As semiconductor devices increasingly require more compact and efficient characteristics, this leads to an increase in heat generation, necessitating more effective cooling solutions. Conventional cooling methods such as jet impingement and spray cooling have complex operational issues, while microchannel heat exchangers effectively increase the heat transfer surface area but resulted in higher pressure losses and … Read more
【Abstract】The acquisition of VMware by Broadcom has raised concerns and prompted reevaluation among enterprises, leading many to consider replacing VMware. Members of the twt community, particularly high-end manufacturing users, have engaged in discussions regarding alternative routes to VMware. This article provides a comprehensive comparison of two technical routes frequently discussed by community users: virtualization software … Read more
On June 18, 2025, Texas Instruments (TI) announced plans to invest over $60 billion in collaboration with the Trump administration to expand its manufacturing capacity in the U.S. across seven semiconductor factories. This investment aims to meet the growing demand for semiconductors and drive innovation in key areas such as automotive, smartphones, and data centers. … Read more
On June 18, 2025, Texas Instruments (TI), a global leader in analog chips, announced an investment of over $60 billion in Texas and Utah, USA, to build seven 300mm wafer fabs. This plan, which sets a record for investment in the U.S. semiconductor manufacturing sector, not only marks the largest capacity expansion in the company’s … Read more