Chat
Online
Inquiry
Home > Safety helmet for engineer standing

Safety helmet for engineer standing

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.

Why Choose Us
01
Solutions to meet different needs

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.

02
Highly specialized team and products

Professional team work and production line which can make nice quality in short time.

03
We trade with an open mind

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation.

04
24 / 7 guaranteed service

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

Certificate of Honor
Get in touch with usCustomer satisfaction is our first goal!
Email us
— We will confidentially process your data and will not pass it on to a third party.
Safety helmet for engineer standing
Helmets: How they Work and What Standards Do
Helmets: How they Work and What Standards Do

For ,impact testing,, the typical ,test, apparatus consists of a rig that drops a helmeted headform in a guided freefall to an anvil on the floor. You strap ,the helmet, on the headform, turn it upside down so ,the helmet, hits the anvil first and drop it onto the anvil. ,The helmet, is oriented before each drop to ,test, it's most vulnerable areas.

Helmet Standards – ECE R22.05 (UN R22.05) - BikesRepublic
Helmet Standards – ECE R22.05 (UN R22.05) - BikesRepublic

Peripheral vision (“side vision”) through a 105-degree arc from ,the helmet,’s midline. ,Impact absorption test, must see less than 275 G of peak acceleration. A headform is fitted with ,the helmet, and dropped from a fixed head onto a steel anvil.

(PDF) Simulation-Based Study of Impact Energy Absorption ...
(PDF) Simulation-Based Study of Impact Energy Absorption ...

Simulation-Based Study of ,Impact, Energy ,Absorption, in American Football ,Helmet,. ... modeling and validation ,under, linea r and ... (a DoD laboratory responsible for ,impact testing helmets,) ...

Helmet safety standards : motorcycles
Helmet safety standards : motorcycles

Helmet, sample #4 points 45, 180 and 270 degrees ,Helmet, sample #5: points 0 and 135 degrees As defined in UNECE 22.05 (,Impact,-,absorption test,), with: platinum cure silicone coated headform (µ = 0.78) “oblique anvil”: 45º plane, abrasive paper to be substituted after significant damage ,impact, velocity 8.00 (+0.15, -0.00) [m/s] PENETRATION ,TEST

The Difference of Safety Helmet Testing as the Standard of ...
The Difference of Safety Helmet Testing as the Standard of ...

The spot for ,impact, – ,absorption, tests will cover all area of safety ,helmet,, which are point B – the front ,impact,, point X – the side ,impact,, point P – the upper ,impact,, point R – the back ,impact, and point S – the ,impact, on chin area (this is used for safety ,helmet, with chin protection – …

4 out of 10 DOT-Certified Helmets Fail Government ...
4 out of 10 DOT-Certified Helmets Fail Government ...

20/2/2019, · A ,helmet under, DOT standards may not have been correctly tested or proven by the manufacturer or its ,testing, contractor to meet the penetration, ,impact,, …

Modified Drop Tower Impact Tests for American Football ...
Modified Drop Tower Impact Tests for American Football ...

19/2/2017, · Essentially, these comparative drop ,test, results revealed that the faceguard adds a stiffening kinematic constraint to the shell that lessens total energy ,absorption,. The current NOCSAE standard ,test, methods can be improved to represent on-field ,helmet, hits by attaching the faceguards to ,helmets, and by including two new ,helmet impact, locations ...

Consumer Testing of Bicycle Helmets
Consumer Testing of Bicycle Helmets

The shock ,absorption test, is included in the ,test, standard for ,helmets, (EN 1078), in contrast to the oblique tests. The ISO head form was used and the ,test, was performed with an ,impact, speed of 5.42m/s. ,The helmets, were tested in a temperature of 18°C.

4 out of 10 DOT-Certified Helmets Fail Government ...
4 out of 10 DOT-Certified Helmets Fail Government ...

20/2/2019, · A ,helmet under, DOT standards may not have been correctly tested or proven by the manufacturer or its ,testing, contractor to meet the penetration, ,impact,, …

Do you know the different homologations of a motorcycle ...
Do you know the different homologations of a motorcycle ...

Impact absorption test,: Like the ECE 22.05, the DOT ,Helmet, Standard also apply this ,test, through ,the helmets, although is not exactly the same. Retention system ,test,: Another point in common between both regulations is the retention system ,test,.