Announcement on Purchasing and Installation Procurement of Sewage Treatment Equipment of Tonggu Economic New Area Sewage Treatment Co., Ltd. (Second time)

Upon the entrustment of Tonggu County Economic New Area Sewage Treatment Co., Ltd., the procurement and installation of sewage treatment equipment for Tonggu Economic New Area Sewage Treatment Co., Ltd. is now inquired for procurement. Suppliers who meet the qualification requirements are invited to participate in the bidding.

1, the tender number: JXYCTGCG-2016-019
2, procurement project content:
Project Name Quantity Technical Parameters Purchase Budget
Sewage treatment equipment procurement and installation 4 sets See tender documents for 5 million yuan
Note: This project is a "turnkey" project with equipment installation, commissioning, personnel training and after-sales service.
3. Bidding method: electronic public bidding
4, the bidder's qualifications:
(1) Has the ability to independently bear civil liabilities;
(2) Having a good business reputation and a sound financial accounting system, providing audited financial reports or certificates of credit issued by a basic bank or a tender guarantee issued by a government guarantee agency approved by the financial department or other accurately reflecting commercial creditworthiness A copy of the supporting documents for the establishment of a sound financial accounting system;
(3) Products should comply with the relevant technical standards and environmental protection standards set by the State;

Automatic Steering Motor

The development of direct-drive servo motors for steering wheels was mainly targeted at precision agricultural machinery. It can complete agricultural machinery operations, achieve precise positioning, improve agricultural productivity, effectively use agricultural resources, and protect the ecological environment. This is an effective way to achieve high-quality, high-yield, low-consumption, and sustainable environmentally-friendly agriculture. It can achieve fast, efficient, high-precision and automated operations on large areas of arable land. It is mainly used in multiple production links of land production, pesticide sowing, harvesting and spraying, which greatly improves production efficiency and land use.

Motor design characteristics:
adopts direct drive motor design
Waterproof and dustproof design
Integrated design of motor and servo control
Easy and fast installation
The rotor is directly coupled to the load shaft
Control performance characteristics:
AC Servo Solution Design
SVPWM vector control, fast system dynamic response
Dedicated encoder, high control accuracy and good stability
With speed control mode and position control mode

Extremely high running accuracy:
This machine adopts sine wave, vector control and high-precision magnetic encoder, with high control precision, which can ensure that the vehicle can walk within the error range of ± 2cm.
Good control line performance:
The torque of the direct drive servo motor increases in proportion to the input current and does not change with speed and angular position. The relationship between torque and current is linear. Multi-pole structure design, low motor torque ripple coefficient, stable operation, can effectively reduce the "S" curve amplitude when the vehicle is going straight
Powerful acceleration and deceleration capabilities:
The direct drive design of the servo motor enables gearless transmission. The ratio of torque to inertia on the load shaft is much better than gear transmission, which greatly improves the acceleration capability of the system, and greatly improves the ability to go online quickly in applications and the ability to correct errors under high-speed vehicle operation
Not easily deformed
The direct drive motor is mounted directly on the load shaft. No gear gap, no elastic deformation, high transmission efficiency, good rigidity, etc., suitable for steering wheel control characteristics. While ensuring high torque, it is also convenient for human emergency operation
Faster response time
The mechanical constant and electrical time constant of the direct drive servo motor are small, which ensures fast response in applications under a wide range of operating speeds, greatly improving the sensitivity of the system and improving the straight line of operation.

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Jinan Keya Electron Science And Technology Co., Ltd. , https://www.keyaservo.com