When a large domestic port decided to carry out intelligent transformation of 12 stacker reclaimers with an average age of more than 15 years, there was a lot of internal controversy. The opponents made a calculation: the total budget for the transformation is 28 million, while the new equipment purchased is only 120 million, is the transformation worth it? Now, three years later, this remodelling...

When the slewing bearing of the No. 8 stacker reclaimer in a port in Liaoning Province made its first noise, maintenance team leader Xiao Wang didn't pay much attention to it. After all, this equipment has been running for 11 years, a little sound “normal”. Three months later, the slewing appeared obvious stalling, they just stopped to check. After dismantling the machine, everyone...

When a large power plant in the south expanded its coal yard, there was a heated debate on equipment selection. One side insisted on the use of mature technology arm stacker reclaimer, the other side is pushing for more flexible wheeled stacker reclaimer. The debate lasted three months, and finally the deputy chief engineer of the power plant, Lao Chen, made the decision: “Let's go and see the real...

上个月在山西参加一个智能矿山研讨会，遇到个有意思的事：两家相邻的煤矿，去年都采购了“智能挖掘机”。一年后，甲矿的设备成了“样板工程”，乙矿的设备却基本处于“智能休眠”状态——除了基...

Three years ago, I accompanied a coal mining procurement team on a tour of two excavator manufacturing plants. The first factory had a shiny floor, brand new equipment, and a red carpet on the tour path; the second factory had grease stains on the floor, the equipment looked used, and the workers were hammering on the jigs and fixtures. Coal mine...

采购总监必读：大型矿山挖掘机七大核心参数深度对比与避坑指南 正文： 上周和内蒙古某露天煤矿的设备部长老张吃饭，他感慨道：“去年采购那台380吨级矿用挖掘机，参数表看了三个月，结果还是掉...

Machining is a cornerstone technology of modern manufacturing. This article comprehensively analyses the core principles, mainstream processes, technological evolution and industry applications of machining, providing you with a professional framework and decision-making guide for choosing machining services. Article Body Introduction: When Design Meets Solid - How Machining ...

Uncover the birth process of high-quality machined parts! This article from the factory's internal perspective, explaining the operating instructions, tool management, first piece inspection, process control and other core process specification requirements, to show the quality control strength of professional manufacturers. Machining process specification requirements: the “standard” into “...

Avoid machining ambiguity and rework! This article provides designers and purchasers with a complete list of machining process requirements covering key items such as materials, tolerances, heat treatments, surface treatments, and more, to ensure that your needs are accurately understood and realised. Developing machining process requirements: accurate communication,...

Machining process standards are the universal language of quality. This article explains how ISO, GB, ASME and other core standards regulate dimensional and geometric tolerances, surface finishes, and ensure global interchangeability and reliability of components. Machining process standards: the cornerstone of global manufacturing...