It is advertised that it is the “Hard Lock nut” invented by a Japanese company. It is also controversial that it is the “eccentric self-locking nut” invented in China. Well, it doesn’t matter what its name is, or whether it is made in China or in Japan. Only by seeing the existence of this kind of…
Quality is the degree to which a set of inherent characteristics meets the requirements, including product quality and the quality of processes and systems. The inherent characteristics of product quality include the performance characteristics, special characteristics, economy, timeliness, adaptability and so on.
When we were young, we could play with a building block and dress up the doll for a day; when we grow up, with the fragmentation of time and the accelerating pace of life, our attention is gradually distracted, and we concentrate on doing one thing. It’s getting harder and harder. Based on this, the author of this article analyzes it from a psychological perspective and shares seven UI design tips.
The integration of hazard identification and risk assessment methods early in the design process to eliminate or minimize the risks of injury throughout the life of the product being designed. It encompasses all design including facilities, hardware, systems, equipment, products, tooling, materials, energy controls, layout, and configuration (AS&CC 2006)
When many readers and friends communicate with me, they think that I have a manuscript, so they are surprised when they hear me say that I write it every Thursday. In fact, there is nothing to be surprised. Every Thursday I will shut myself in the study for a whole day, cut off all phone calls, WeChat, and emails, and write from noon to night until I finish writing.
In one-time development, even an ordinary PCB can play a very important role. PCB is the physical platform for design and the most flexible part for electronic system design of original components. This article will introduce several golden rules of PCB design. Most of these rules have not changed since the birth of commercial PCB design 25 years ago, and are widely applicable to various PCB design projects, whether for young electronic design engineers or more mature ones. Circuit board manufacturers have a great guiding role.
Email is a key way to communicate with colleagues and customers. We spend hours composing, sending, and reading emails. Sending poorly worded emails to the wrong people can result in confusion, wasted time and resources.
A set of reliable plastic mold design is mainly reflected in the quality of the molded plastic products (appearance quality and dimensional stability), convenient, rapid, and concise processing and manufacturing, which saves money and manpower, and leaves room for correction and improvement. It is safe, stable, easy to maintain, has a short molding cycle and a long service life during injection molding, and has reasonable mold manufacturing technology.
The inadvertently “long” 2020 is coming to an end. Recalling that this period will definitely leave a rich and colorful time in the long history. Although there is a sudden “big exam” for the epidemic, it is also accompanied by a “new life” of opportunity: we are now Step into the era of intelligent interaction and at the same time move towards a new starting point for the accelerated development of the digital economy.
There are several measuring methods for determining the roughness depth. The two most common values are the average roughness depth (Rz) and the average roughness value (Ra). These are most frequently used when specifying surfaces. So far we have defined the surfaces according to Rz, from now on (12.09.2019) all newly created drawings should be made with the surface specification according to Ra.
Stepping motor is an electromagnetic actuator that can convert digital input pulses into rotation or linear incremental motion. Each input of a pulse motor shaft steps a step angle increment. The total rotation angle of the motor is proportional to the number of input pulses, and the corresponding speed depends on the input pulse frequency. Stepping motor…
In an era full of curiosity, “Spiritual Journey” offers the answer at the beginning of 2021 — to search for the “sparks” of life. It is these “why” that turn the director’s inner anguish into inspiration, and satisfy his curiosity with exploration and perception.
The hydraulic transmission system is an integral part of hydraulic machinery, and the design of the hydraulic transmission system should be carried out simultaneously with the overall design of the main engine. When starting the design, we must start from the actual situation, organically combine various transmission forms, give full play to the advantages of hydraulic transmission, and strive to design a hydraulic transmission system with simple structure, reliable work, low cost, high efficiency, simple operation and convenient maintenance.
Hydraulic equipment is a combination of mechanical, hydraulic, electrical and other devices, so the failures that occur are also diverse. A certain failure phenomenon may be caused by many factors. Therefore, analyzing hydraulic failures must be able to understand the schematic diagram of the hydraulic system, have a general understanding of the role of each component in the schematic diagram, and then analyze and judge according to the failure phenomenon.
The drill bit diameter recommended in this table is for tapping processing , which can easily understand the drill bit diameter . It is selected according to the standard drill bit on the market.
The technical requirements for mechanical drawings (including parts drawings and assembly drawings) in “basic requirements for product drawings and design documents drawings” can be roughly divided into the following five aspects.
In order to earn more money, there are many black heart merchants who charge old bearings well, recycle some used or unused old bearings and buy them as new bearings after treatment.
The purpose of disassembly is to facilitate maintenance. As the structure of mechanical equipment has its own characteristics, there are differences in the weight, structure, precision and other aspects of parts. If the parts are disassembled improperly, they will be damaged, causing unnecessary waste, or even unable to repair. In order to ensure the quality…
Automated Guided Vehicle is abbreviated as AGV, usually also called AGV. It refers to a transport vehicle equipped with electromagnetic or optical automatic guidance devices that can travel along a prescribed guidance path, with safety protection and various transfer functions. In industrial applications A truck that does not require a driver, and uses a rechargeable battery as its power source.
In recent years, with the development of society and the rising labor cost year by year, it has brought about the problems of factory recruitment and high labor cost. More and more manufacturers hope to use automation equipment to solve the problem of labor difficulty, but most of the automation equipment. The development is based…
Basic automation system design drawings mainly serve equipment debuggers, electronic control equipment manufacturers, production line maintenance and overhaul personnel, and on-site operators.
Non-standard equipment refers to the special non-standard equipment that the country does not have mass production, but various departments of the national economy do need special non-standard equipment. Non-standard equipment is not designed and manufactured in accordance with the unified industry standards and specifications promulgated by the country, but is designed and manufactured according to its own needs.
“Rotation system” requires courage for enterprises, because it is a talent training mechanism that is extremely costly for enterprises . Not every enterprise is willing to bear such training costs. This is also why many small and medium-sized enterprises do not find new candidates. The reason for the graduates is because they can’t afford to play.
Surface treatment is a process of forming an artificial surface layer on the surface of the base material, which is different from the mechanical, physical and chemical properties of the base material.