The chair type is usually referred to as an armchair or an armchair according to the structure. Most of the chairs are designed for KD construction (unless there are special requirements), the structure of the armchair and the armchair are the same, but the armchair is more than two armchairs. The chair is generally connected by a seat back, a seat cushion, a front foot, and a frame armrest by a screw, a raft, and a fast tooth. 1. The seat frame is located under the seat cushion and functions to connect the seat cushion, the front foot and the back of the chair. 2, the seat frame is generally composed of front and rear horizontal and left and right sides of the horizontal connection with the connection plate rubber lock fast teeth composed of the whole. 3, the front and back of the frame, the horizontal and horizontal symmetrical materials are solid wood, according to the requirements of the guests, the shape of the lower end is different. Usually, the arcs of the front horizontal and left and right sides are outward, and the curvature of the rear transverse direction is consistent with the curvature of the horizontal direction behind the chair. 4, the front and back of the frame, the left and right horizontal design usually requires three U-shaped grooves on the inside, in order to facilitate the connection of the wood and the reinforcement structure. 5. The connection between the horizontal and back of the frame is usually 1PC wood boring at both ends. 6. The rear frame and the left and right sides of the frame must be assembled tightly, usually the left and right sides of the horizontal rear end are flush with the rear and rear ends. 7. When the front frame of the seat frame is horizontally assembled with the left and right sides, it is necessary to make a mold, so that the positions of the left and right clips are consistent, and the front foot group is coordinated. 8. The design of the armchair is usually on the left and right sides and the through hole is connected to the lower end of the armrest. The diameter of the through hole is generally 2-3 mm larger than the diameter of the screw. 9. The upper end of the overall assembly of the seat frame generally requires the entire surface to be flat, and the entire frame can be passed through the sanding machine as needed. 10. The through holes connecting the front and rear feet around the frame usually require that the entire frame be assembled before taking holes to prevent the hole position error from being too large. 11. The frame connecting wood is located at the four corners of the whole frame, which is connected to the front, back, left and right, and is connected to the front and rear feet. 12, the connection of wood quality is usually required to be hard solid wood, generally accepted by small defects. 13. The connecting wood usually needs to be divided into front and rear, and the angle between the two ends of the front and rear connecting wood must be determined according to the angle of the entire seat frame. The two ends of the connecting frame should be matched with the corresponding U-shaped groove. 14. Seat frame connection wooden lock seat cushion plate countersunk general lock 8#*1 fast tooth, its sinking depth must be controlled. Related reading: What are the production process standards for the back of the chair? 1. The armrests are located at the upper end of the seat cushion and are distributed on the left and right sides of the seat cushion. 2. The armrest is usually connected to the side of the rear leg and the frame by a screw. Generally, the screw hole on the rear leg is required to be steep. 3. Handrails are usually diversified according to requirements, and their structure must pass the test. 4. The whole handrail must be smooth and smooth.
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Seat frame
Handrails (chairs with armrests only)
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