Chairs Caster Durability Cyclic Testing Equipment
Specifications
1.Chairs Caster Durability Cyclic Testing Equipment is used to evaluate the quality and wear life of the caster in chair.
2.OEM
Bifma × 5.1-2011 Section 17, X5.5 Section 18, X5.9 Section 11
Effective stroke 900 mm
Standard loading pad, loading tray * 1, weight: 113kg
Test speed: 10 CPM
Product description:
To evaluate the ability of chair base and casters to withstand fatigue stresses and wear caused by moving the chair back and forth. Seat surface to place the weight (113 kg), the holding fixture driven by motor and timing belt move to and fro, in order to assess the the casters of wear life, stroke rate and the number of times can be set.
2. Main technical parameters:
driving mode | variable frequency motor and timing belt |
Stroke | 762mm (+ 50mm) |
rate | 8 ~ 12 times / min |
holder with the up and down adjustment range | 80mm～500mm |
control mode | PLC and LCD display |
Voltage | 220V single-phase, 900W |
Design standard | Bifma x 5.1 clause 17 |
1. Starting point for self-regulation. 2. Accessories: a weight of 23 kg of load-bearing base divided into 9 equal portions per box, placed a 10-kilogram weight, the overall weight equal to 113 kilograms. 3. Base barriers block can be removed, for smoothing the surface accessibility block test.
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Test Procedure
a) The chair or chair base shall be cycled 2,000 cycles over the obstacles as shown in
Figure 17b and then 98,000 cycles on a smooth, hard surface without obstacles.
b) Evaluate the product in accordance with the acceptance level in 17.1.5.1.
c) At the conclusion of cycling, a 22 N (5 lbf.) pull force shall be applied to each caster in
line with the caster stem centerline.
d) Evaluate the product in accordance with the acceptance level in 17.1.5.2.
Acceptance Level
Durability cycling
There shall be no loss of serviceability.
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