Chint VFD Frequency Converter NVF5-2.2/TD2-B

03/18/2024

What Is a Closed Loop System (Servo System / Servomechanism)?

As shown in the figures above, the closed-loop control system has a feedback device to feedback the position of the servo motor, but the open-loop control system does not.

09/15/2020

On the problem of adsorbing objects with micro vacuum pumps

When using a miniature vacuum pump for object adsorption, it actually uses the pump to vacuum the suction cup and then sucks the object. Therefore, you must choose a true miniature vacuum pump, such as PK, PC series

03/17/2021

Several effective tips for servo motor drive repair

1. When the Panasonic digital AC servo system is powered on, the motor vibrates and makes a lot of noise, and then the driver gives an alarm No. 16, what should I do?

06/25/2020

Is Hitachi air-conditioning compressor Toshiba brand

"I obviously bought a Hitachi air conditioner. It was discovered that the air conditioner used a Toshiba compressor during maintenance." A few days ago, some media reported this complaint about Hitachi air conditioners. Therefore, many consumers questioned the difference between the case and the internal machine brand: the purchase clearly identified a certain brand, why did you change the brand of the contents inside without telling it? Is there any difference between the products of the two brands? What if the after-sales service is not guaranteed?

06/14/2020

Is PVC or PE good for domestic fresh air system pipes

Is PVC or PE good for domestic fresh air system pipes Fresh air system is a category of light equipment and heavy design. Fresh air equipment is highly dependent on design and construction.

09/03/2020

Commonly used selection marks for compressor lubricants

1) Air-cooled piston shaft output power <20kW, select 32, 46, 100 (ambient temperature <-10 ℃ optional 32) DAA, DAB, DAC air compressor oil;

06/29/2020

Compressor protection measures against liquid strikes

Compressor protection measures against liquid strikes When too much liquid enters the cylinder and it is too late to discharge it from the exhaust valve, a liquid blow will occur in the cylinder. The high pressure generated during the liquid blow damages the cylinder, piston, connecting rod, etc., so it is necessary to take a Series of protective measures.

06/14/2020

Analysis and solution of the three reasons for the high temperature of the exhaust of the compressor dryer

Analysis and solution of the three reasons for the high temperature of the exhaust of the compressor dryer

07/02/2020

okmarts.com platform compressor technology experts tell you why the air conditioner can be cooled

okmarts.com platform compressor technology experts tell you why the air conditioner can be cooled In the summer, I believe that many people's feelings must be hot, scorching heat, sweating, etc. At this time, air conditioning is naturally essential equipment. If the air conditioner in your home is not cooling, then the air conditioner becomes a decoration.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth