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Double Eccentric Butterfly Valve Advantage

Double Eccentric Butterfly Valve Advantage

"Top ten persistent diseases in the world" cervical spondylosis jumped to the second place

At the beginning of 2020, a sudden epidemic broke people's normal pace of life, and the whole world was pressed the pause button. "No trouble for the country", "online office", "online classes" and other upsurge rise. At the same time, various "Homestead" syndromes such as shoulder and neck pain, neck discomfort, dizziness and general fatigue caused by too long homestead time have also been frequently revealed.

The working principle of the servo drive

The working principle of the servo drive

Servo drives are an important part of modern motion control and are widely used in automation equipment such as industrial robots and CNC machining centers. In particular, the servo drive used to control the AC permanent magnet synchronous motor has become a research hotspot at home and abroad. The current, speed, and position 3 closed-loop control algorithms based on vector control are widely used in the design of current AC servo drives.

Classification and characteristics of servo drive

Classification and characteristics of servo drive

The authoritative expert in servo drive - Zhejiang L&L Technology Co.,Ltd. will introduce the classification and characteristics of servo drive to you today. Our series of high-quality products represented by 0.4kw High Performance Servo Drive have become industry models, and buyers from all over the world are welcome to wholesale and purchase.

Common sense of medical bed repair and maintenance

Common sense of medical bed repair and maintenance

Restoration of medical beds 1. Check from the bed and mattress. Look for bedspreads and sagging or bumps that indicate serious wear on the mattress itself. Use an upholstery needle or an appropriate sewing machine service cover. If properly disinfected, or replace worn out with a new mattress of the same type, spring, foam or gel. Freshly cover new mattresses if applicable.

The applications advantages of fusible resistors

The applications advantages of fusible resistors

Fusible resistors are used in electrical circuits that may occasionally be exposed to short circuit conditions for a short period of time. They will blow out like a fuse in the event of a short circuit, protecting the circuit from damage and fire. Fusible resistors are used in motor controller systems, automobiles, power supplies, rectifiers and inverters, home appliances, power tools, and other equipment.

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