pressure forming,transfer pressure forming,injection forming,extrusion forming and secondary cure,were introduced,and the preparation of general mixed silicone rubber(high & low hardness mixed silicone rubber),as well as the preparation of mixed silicone rubber for press key(low exudation silicone rubber for press key and dynamic fatigue resistant silicone rubber for press key).
介绍了混炼硅橡胶的硫化成形方法(模压成形、传递模压成形、注射成形、挤出成形),通用型混炼硅橡胶(高、低硬度混炼硅橡胶)及按键用混炼硅橡胶(低渗出按键用硅橡胶、耐疲劳按键用混炼硅橡胶)的配制。
With the bi-colour plastic key as an example,the technical requirement,structure characteristics,working process and main design points of the injection mould for bi-colour plastics are analyzed.
介绍了双色塑料注射成型工艺,以双色按键塑件为例分析了双色注射模的技术要求、结构特点、工作过程及设计要点,重点介绍了浇注系统的设计、螺旋轴的结构及其工作过程。
MCS-51 system is mostly controlled with keys.
单片机控制系统中大多使用按键来实现控制功能。
This paper introduces a microcontroller interface circuit designed by using a keyboard/display chip ZLG7289B.
该电路可以扫描32个按键、驱动6个LED数码管和16个发光二极管,采用中断方式响应外部键盘中断。
Thispaperintroducesadesignandrealizationofamulti -purpose timer based on AT89C2051 and operated with only one push button, and details the usage of the unique button, also presents the key program.
本文介绍了以AT89C2051单片机为核心,仅用单个按键进行操作的数字计时系统的设计与实 现方法,详细说明了如何通过这唯一的按键完成对定时器的查阅、校时、设定定时等所有操作,并给出了程 序的关键实现代码。
Design of Injection Mold for Button Based on CAD/CAE/CAM;
基于CAD/CAE/CAM技术的按键注塑模具设计
the article passes 5 designs specification,how to import in the button consuming with being as far as possible more than stopping coming true under I/O resource.
AT89C2051是一种精简型单片机,因其I/O接口有限,应用时必须进行扩展,文章通过5个设计说明如何在耗用较少I/O资源下,实现尽可能多的按键输入。
A software implement of anti－jamming and repeating of keystroke;
按键的连续触发及抗干扰的一种软件实现