Heat treating is the thermal process that improves steel properties such as hardness, toughness and wears resistance. The chemical composition of the steel determines the level of each of these properties and type of heat treating process applied. Every heat-treating process requires specific temperature and time. Steel must be passes through each step of...
Read more »
Japan’s second-largest automaker – Honda, had closed their two China plants on Wednesday (16 Jun) as its production in the country was disrupted by strikes for the second time in less than a month. The plants, in Guangzhou, Guangdong province, were closed for a second day after employees at a parts supplier walked out...
Read more »
You can create a complex spiral curve by using a simple “arc” command in AutoCAD. The steps are very simple. Let’s draw a line, either vertical or horizontal. For demonstration purpose, I would prefer a vertical line. Use the DIVIDE command to split the line into 9 pieces. Let’s construct an arc of known starting and ending...
Read more »
AT&T has publicly acknowledged a user account security breach involving 114,000 owners of 3G Apple iPads. The company issued an apology after a group of hackers said that it had obtained a rather large list of e-mail addresses, including those of military personnel, public figures and business executives, by exploiting a security loophole. The...
Read more »
Mechanical stamping presses designed with many different type of driven mechanism and each individuate type is used for difference application. The common one included Eccentric-gear drive, Knuckle drives, Rocker arm drives and toggle mechanisms drive. The Eccentric gear drive mechanism The eccentric gear drive is designed mainly for large straight slide press with permit...
Read more »
The quality of the stamped component depend very much on the cutting clearance applied between the punch and die and it alignment. The cutting condition of any component can be seen easily from the appearance of the slug. If we take a closer look at the cut edge, we can easily see a rollover at the bottom...
Read more »
Many tool designers always ask the same question, “How to compute the flat blank dimension of a deep drawn product?” Seem like developing the flat blank profile is one of the tougher task when comes to designing a deep draw tool Recently we have a request from one of our customers to build a...
Read more »
A lead frame strip shown in Fig. 1 has to be cut and separated into single pieces while the lead length needs to be cut in different sizes and mold flushes have to be removed after the encapsulate molding. The production volume is low and requires frequent changes for difference lead length cutting. Automated...
Read more »
Nippon steel has been in discussion with the Malaysian steel manufacturer Yung Kong Galvanizing Industries ( YKGI ) on possibility in supplying hot rolled steel to YKGI. YKGI’s is one of the main steel sheet manufacturer located in West Malaysia, its produces Galvanised and coated steel products included pre-plated galvanized steel sheet and aluminum...
Read more »