1.1 Combined Push-Pull Sliding Green Boards
Outer size 4000*
1. Panel requirement:
1) High quality original panel, entire board without joint, dark green, with protective film, good for teacher writing in order, comfortable view and eyes tiredless.
2) Thickness: ≥
2. Interlayer: Use
extruded polystyrene board, neither too hard nor too soft, thickness ≥
3. Reverse side:
whole anti-rust galvanized plate, thickness≥
4. Outer frame: High precision sanded silvery white aluminum alloy profile, streamlined design, no obvious string light. Individual chalk holder, novel and nice shape.
5. Sliding system:
1) Pulley: main pulley block with super quality bearing steel PU soft plastic pulley, runs without noise, the main pulley block with automatic cleaning function, clean the dust while running, make sure smooth run.
requirement: stealth mounted, safe and reliable. 125*
Side frame: high
precision sanded silver white aluminum alloy, outer diameter 122*
high precision sanded silver white + invisible dark green aluminum allay, outer
connection: high precision sanded silver white aluminum alloy, outer diameter
97*70, wall thickness
1.2 Fixed blackboard at the back of classroom
★The frame uses
★The size of side frame: 30×18 (face size), electrophoresis aluminum, beautiful looking, the hardness of aluminum 14HRC.
★Overall size 1200 height x 4000 length (the size can be custom-made as per the classroom size). The total design is reasonable, durable, elastic, and comfortable in writing.