What is the internal structure of the teaching blackboard?

The teaching blackboard does not refer to the black writing board for teaching. Traditionally, it is a tablet that can be written repeatedly. The board is hard and non-reflective, and is used for teaching. As far as the current situation is concerned, green boards and whiteboards occupy the main market, followed by beige boards. The green board is mainly written with chalk (also written with liquid water-based chalk); Whiteboard is mainly written with whiteboard pen, and beige board is mainly written with water-based pen.

Generally, the surface of teaching blackboard is made of magnetic color coated steel plate, and the surface thickness is mostly between 0.2 mm and 0.4 mm. This material has the characteristics of wear resistance, no falling off, no fading, durability, good writing feel, clear handwriting and easy writing and erasing.

Teaching blackboards are divided into plane blackboards, arc blackboards, movable writing boards with brackets, lifting blackboards and combined push-pull blackboards.

① Plane blackboard is the most commonly used one in primary and secondary schools, which is economical and practical;

(2) The arc blackboard is arc-shaped, does not reflect light, can see the handwriting clearly at any angle, and is suitable for larger experimental schools;

(3) Bracket Movable Wordpad has a variety of brackets, which are convenient to move and widely used, and are widely used in general training schools, enterprises and institutions. Whiteboard can print various color forms, course forms, etc. Its bright colors are deeply loved by customers.

④ The lifting blackboard has a large specification and a large writing surface, so it is the first choice for larger conference rooms and lecture halls;

Various push-pull push-pull blackboard diagrams

Movable writing board with various movable supports

⑤ The combined push-pull blackboard is generally used with electronic whiteboard and LCD integrated machine, which is used in multimedia classrooms of various schools. With the development of the green Banbantong project, this board is more and more accepted by people. It supplements the defects in traditional teaching and makes modern teaching technology really enter the classroom. It is a pioneer in today's education industry.