Medical apparatus and instruments castor how to choose
Medical casters, how to choose the trundle English words is the castor, Oxford English dictionary is the meaning of 'one of the small wheels fixed to the bottom of a piece of furniture so that it can be version easily', meaning is installed in the furniture at the bottom of the wheels, so that you can easily move. Despite the applicable objects, the purpose is clear - — In order to makes it move easily. Humans use wheel has a long history, as the wheel is used in building the pyramids logs to transport stones, it can be seen as the prototype of the wheel. If you want to choose suitable castor for medical equipment, medical caster can be used as the preferred. Medical casters and non medical truckle difference is mainly can be applied to common cleaning and disinfectant, more safety, higher reliability, lower rotation and rotational resistance, etc. , different niche may also have their own special standards, such as ANSI ICWM: 2012 and EN12531, don't summarize it here. But this does not mean that other types of caster wheel can not be used in medical equipment, in fact manufacturer own classification is not absolute, the boundaries of medical and non medical is not black and white, sometimes only did/didn't do certification, classification will be adjusted at any time. Designers are often used in safety, clinical requirement, the actual balance and price, as long as to comply with relevant standards and requirements, the medical truckle can also be used in medical equipment. General castor has two degrees of freedom: rotation ( swivel） And scroll ( 滚动) 。 Rotating like castor 'autobiography' for steering, the rotation axis is usually fixed on the device. Some caster wheel can rotate, can only in the before and after rolling; While rolling is all casters, castor is also done by rolling equipment of forward and backward. The installation of the castor or see how to control the first, is the central control or control respectively, according to the different requirements for castor. If is the central control, I suggest that the priority selection scheme of manufacturer, after all, big manufacturer of mature solutions tend to have passed the market validation. If it is not appropriate, designers can also design your own control scheme, such as a brake mechanism can lift grip; And each control often choice is relatively a bit bigger, such as common screw installation and disc. Generally installed screw is suitable for small size, and disk installation is suitable for the overloading, the designer can be determined according to be fond of. But note that as long as there is threaded connections, thread locking is must consider. Fall off or castor is likely to cause catastrophic consequences.