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:

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.