Chair Seats Stability Testing Machine
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- Model NO.: TNJ-023
- Weight: 100-500Kg
- Weights Basket Lifting: Manual Control
- Tensile Force: 20n
- Dimensions(W*D*H): 100*140*105cm
- Trademark: Hust Tony Instrument
- Specification: EN 1022, EN 1729-2 and ANSI/BIFMA X5.1
- HS Code: 9031809090
- Type: Chair Testing Machine
- Power Source: AC220V
- Seat Surface Loading: Max: 600n, Cumulation
- Loading Point Position: Seat Surface Center Position, 60mm From Front Edge
- Air Source: 6kgf/Cm2 Stable Air Source
- Transport Package: Wooden Package
- Origin: Dongguan China
Introduction of product:
This machine is suitable to test the seats (such as chairs, office chairs) front stability.
Put the test-piece on the test table, blocked the front leg, apply specified force with forward 20N applied at seat loading point, check the article tends to overturn forward or not to determine the test-piece forward stability performance.
12.4.2 Test Procedure - Alternative A (See Figures 12c and 12d).
a) This alternative may only be used on chairs that do not have a seat surface that will support the stability loading fixture (i.e., mesh, web or strap seat support surfaces).
b) Apply a vertical load of 600 N (135 lbf.), through a 200 mm (7.87 in.) diameter disk, the center of which is 60 mm (2.4 in.) from the front center edge of the load-bearing surface of the seat. (See Figure 12e for details).
c) Apply a horizontal force of 20 N (4.5 lbf.) at the same level of the plane of the top of the seat. The force shall be coincident with the side-to-side centerline of the seat.
12.4.3 Test Procedure - Alternative B (See Figures 12f and 12g)
a) Apply a vertical load of 600 N (135 lbf.), by means of the front stability loading fixture shown in Figure 12g at a point 60 mm (2.4 in.) from the front center edge of the loadbearing surface of the chair.
b) Apply a horizontal force of 20 N (4.5 lbf.) at the same level of the plane of the top of the seat. The force shall be coincident with the side-to-side centerline of the seat.
12.4.4 Acceptance Level: The chair shall not tip over as the result of the force application.
Seat surface loading: Max: 600N, cumulative
Tensile force: 20N
Loading point position:seat surface center position,60mm from front edge
Seat surface loading pad: diameter: 200mm, camber surface: R300mm,9 pins
Loading rob: 19mm, both ends A type: sphere SR19mm B type: sharp surface 45 °
Weights basket lifting: manual control
Dimensions (WxDxH): 100x140x105cm
Air source: 6kgf/cm2 stable air source
Standards: ANSI/BIFMA X5.1-12.4 Front Stability;EN 1022, EN 1729-2