Potentiometer components - Import export

The ultrasonic sealers are ideal for sealing trays and plastic blister ( OPS, PSP, PVC, EPS) food grade or technical. This equipment is fast, secure, clean, simple and do not require preheating. This welding machine is widely used in the food industry and for technical welding trays and blisters in OPS, PSP, PVC, EPS, PET and replaces the dangerous staples The heat developed by the friction is transmitted to the two surfaces in plastic material and welds them instantly with a point and smudge resistant, the welding power is adjustable via potentiometer. Ceramic components with high precision is capable of producing an ultrasonic vibration of 55000/60000 cycles per second.

Rapid developments in the fields of control engineering and in microprocessor and semiconductor technology have resulted in the widespread use of electronically controlled systems in every branch of industry today. This has created a need for sensors that are inexpensive but, at the same time, sufficiently robust, both electrically and mechanically, to withstand a wide range of temperatures (e.g. from -40 to +160 degrees centigrade), particularly in applications involving large quantities, such as the automobile industry. Fig. 1 provides a summary of the various types of sensors for angular and linear motion that are in use today. This paper is concerned with quality criteria (1) and (2) applicable to conductive-plastic potentiometers for use as sensors for angular and linear motion. Such potentiometers essentially comprise the following components: 1. The resistance element (support material + a resistance track of conductive plastic) 2. A wiper (precious metal alloy) 3. A...