Student desks and chairs

1

Plastic desks and chairs parameters

Desktop material: Made of ABS impact resistant plastic grade one new material, integrated injection molding. Size: 600mm x 420mm x 30mm. Combination design: The front and both sides of the panel are equipped with a 980mm long x 8mm wide x 5mm high V-shaped protrusion connected to form a pen blocking strip. The front of the panel is equipped with a 370mm long x 20mm wide x 5mm deep pen slot, with a 35cm ruler next to the pen slot. There is a 20mm wide duck mouth edge inner arc design near the chest, and the bottom of the panel has a reinforced load-bearing design.

Book hopper material: Made of PP plastic grade one new material, integrated injection molding. Table bucket size: 590mm x 410mm x 150mm.

Function: The bottom of the bookcase is designed with drainage slots and seams. There shall be no less than 42 drainage groove joints. Each slot has a length of 30mm x 5mm. The bookshelf is designed to tilt backwards and at a 2-degree angle to facilitate drainage and maintain ventilation and dryness. The front end of the bookcase is equipped with a long concave pen slot, with a size of 450mm x 55mm ± 10mm, which can be used to place stationery pens without occupying the storage space inside the bookcase. There are drainage ditches on both sides of the pen slot to facilitate drainage and removal of debris.

Table steel frame, size: The size of the steel pipe at the foot of the table is 30mm x 50mm x 1.2mm, and the size of the steel pipe for the fixed riser on the upper part of the table foot is 30mm x 60mm x 1.2mm. The size of the steel pipe for the movable riser on the upper part of the table foot is 25mm x 54mm x 1.3mm. The size of the steel pipe for connecting the table foot is 30mm x 50mm x 1.2mm. The size of the steel pipe connecting the Y-bracket of the bookshelf is 20mm x 40mm x 1.2mm. The iron frame is baked with high-temperature powder paint, and the surface paint will not peel off.

Function: The height of the adjustable table can be adjusted from 670mm to 790mm. When adjusting the height of each of the six levels, screws are used to adjust the height with an interval of 20mm.

Foot mat, material: Made of brand new PP plastic integrated injection molding.

Hook, Material: Made of brand new PP plastic material. Size: 30mm x 60mm x 15mm, with left and right hooks integrated with the bookcase. In a static state, it can bear a hanging load of 20 pounds.

Chair backrest, material: made of PP impact resistant plastic integrated injection molding, size: 400mm x 350mm

Chair cushion, material: made of PP impact resistant plastic integrated injection molding, size: 400mm x 370mm

The steel frame of the chair has a steel pipe size of 30mm x 50mm x 1.2mm at the foot of the chair, and a fixed riser steel pipe size of 30mm x 60mm x 1.2mm at the upper part of the chair. The movable riser steel pipe size at the upper part of the chair foot is 25mm x 54mm x 1.3mm, and the connecting steel pipe size at the foot of the chair is 30mm x 50mm x 1.2mm. The backrest steel pipe size is 20mm x 40mm x 1.2mm. High temperature powder baking paint, the surface paint will not peel off.

Function: The seat height can be adjusted from 370 to 450mm, with an interval of 20mm. When adjusting the height, use screws to adjust it.

Metal feet: All steel parts are electrostatically sprayed with plastic, and the spray coating is free of exposed bottoms, bumps, wrinkles, color differences, and obvious sagging; The spray color is gray white.

Parameters of single person single column plastic edging desks and chairs

（1） Materials and technical specifications:

1. Form: Single person single bucket single column lifting type, height can be adjusted in different levels (must be able to be adjusted to 580-760mm, with each level lifting 30mm and 7 levels lifting).

2. Desktop: Size 600mm x 400mm x 18mm, using high-density board PP material edging treatment. There is a 270mm x 25mm long pen slot at the front end of the desktop, and a 4mm high-end strip at the front end and left and right edges to prevent learning tools from falling off.

3. Table bucket: Made of high-quality cold-rolled sheet with a thickness of 0.7mm, the size of the table bucket is 490mm x 330mm x 170mm.

4. Lifting and lowering side panels: formed in one go using a 1.0mm cold-rolled plate mold. The upper width is 330mm, the lower width is 100mm, and the height is 340mm. The lifting side panel has 9 adjustment holes. The center distance between holes is 30mm.      

5. Table frame: All steel structure, with landing beams, columns, and crossbars made of 20 * 49 * 1.0mm high-quality elliptical steel pipes, with a thickness of 1.0mm. The length of the landing beam is 400mm, and the length of the column is 490mm. The legs and legs of the table are welded at right angles, which is firm and reliable.

（2） Seat requirements:

6. Bench frame: single column, double crossbar, seat height 350-440mm, adjustable in different levels (must be able to adjust to 350mm, 380mm, 410mm, 440mm, 4-level lifting). The materials of the lifting side panel, column, crossbar, and landing crossbeam are the same as those of the desk lifting side panel, column, crossbar, and landing crossbeam, with a length of 300mm.

7. Seat board: size 400mm x 360mmX18mm, backrest board: size 400mmx170mmX18mm, using high-density board PP plastic injection molding edge treatment.

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