Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
Safety net sampling of safety helmet
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
Address：No. 3888, Hutai Road, Baoshan District, Shanghai, China
1/7/2019, · Upon ,impact,, the SPIN pads shear or slide, to displace rotational ,force,. Rotational ,force, is the key reasoning behind the way SPIN pads work. However, nothing is claimed in regards to slowing linear acceleration or direct ,impact, on the ,helmet,. Turbine by Leatt Turbine 360° discs.
The constants in this study were: the ,helmet, being tested, size of mannequin head, way tested, ,force,/speed of ,helmet, at ,impact,, the temperature at which the experiment was conducted, the measure being used, accelerometer probe being used, and the software that read the probe.
where F is the ,impact force,, KE is the kinetic energy (energy of motion), and d is the ,impact, distance, or how much the object crunches.. There are two key takeaways from this equation: ,Impact force, is directly proportional to the kinetic energy, meaning that the ,impact force, increases if the kinetic energy increases.; ,Impact force, is inversely proportional to ,impact, distance, meaning that the ...
The belief that ,helmets, are too hard underpins Kali’s ,helmet, technologies. Kali addresses rotational ,forces, with what it calls the Low Density Layer, which is made up of strips of gel cups that almost look like octopus tentacles. The ,helmet, pads are mounted on top of the strips, so that they float on the cups.
17/3/2014, · ,Helmets, need a strong shell but they also need absorbent material to dissipate the energy slowly. A short duration, high value ,force, can damage the brain inside (or neck), even though the skull is not penetrated. The term ",force, of ,impact," is not a good one, although it is very frequently used in an attempt to explain / predict the likely damage.
The typical bicycle crash ,impact, occurs at a ,force, level equating to about 1 meter (3 feet) of drop, or a falling speed of 10 MPH. The rider's forward speed before the crash may be considerably higher than that, but the speed of the head closing with the ground, plus a component of the forward speed, less any energy "scrubbed off" in other ways, normally average out at about 10 MPH.
9/2/2005, · The height ,of the helmet impact, point from the anvil surface was constant at every drop test: 2000 +/- 3 mm. The anvil surface was flat. Additionally between the flat surface and the 550 kg mass of base was placed a special ,force, transducer,