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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.

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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.

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dress hats for church
How To Choose The Safest Motorcycle Helmet 2020
How To Choose The Safest Motorcycle Helmet 2020

Impact Testing, – he ,impact test, uses controlled impacts to simulate different ,impact, surfaces. The object is to measure gravitational (G) force or acceleration. If the peak acceleration in any ,test, exceeds a value, the ,helmet, is rejected.

Three Bike Helmets Fail Safety Tests - Consumer Reports
Three Bike Helmets Fail Safety Tests - Consumer Reports

To ,test, how well a ,helmet, can absorb the force of an ,impact,, we use what’s called a uniaxial monorail ,impact, machine. Each ,helmet, is strapped onto a headform, which simulates the size and shape ...

What is the NFL Helmet Performance Test? - Xenith
What is the NFL Helmet Performance Test? - Xenith

The NFL ,test, 6 ,helmet impact, locations: Side, Side Upper, Oblique Rear, Facemask Central, Facemask Side, Oblique Front. INJURY METRIC/SCORE. A ,Helmet, Performance Score (HPS) is assigned to each ,helmet, tested according to a weighted average of ,impact, severity and location.

HELMET IMPACT TEST SYSTEM OPERATION & ASSEMBLY …
HELMET IMPACT TEST SYSTEM OPERATION & ASSEMBLY …

The ,Helmet Impact Test, System (HITS) is designed to ,test, the performance of industrial ,helmets,. In order to operate the device, you need a mechanism for dropping a weight (drop tower), a ,test, floor/platform to which the device base will be bolted, and signal conditioning and re- cording equipment for a minimum of six data channels.

HELMET IMPACT TEST SYSTEM OPERATION & ASSEMBLY …
HELMET IMPACT TEST SYSTEM OPERATION & ASSEMBLY …

The ,Helmet Impact Test, System (HITS) is designed to ,test, the performance of industrial ,helmets,. In order to operate the device, you need a mechanism for dropping a weight (drop tower), a ,test, floor/platform to which the device base will be bolted, and signal conditioning and re- cording equipment for a minimum of six data channels.

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.

Impact Test Lab | Dynamic Research Inc
Impact Test Lab | Dynamic Research Inc

The DRI ,Impact Test, Laboratory is an ISO 17025 accredited ,test, lab and utilizes the most sophisticated ,impact test, systems available for ,helmet, R&D, quality control, or accident reconstruction studies. We have the capacity to perform ,testing, to US motorcycle and bicycle ,helmet, standards as well as many international ,helmet, standards.

NFL Linear Impactor Helmet Test Protocol
NFL Linear Impactor Helmet Test Protocol

Each ,helmet, sample was subjected to a total of 24 ,impact, tests comprising the full combination of 3 ,test, speeds and 8 ,impact, locations. The ,test, speeds were 5.5 m/s, 7.4 m/s, and 9.3 m/s, with a tolerance of ± 0.1 m/s. The standard protocol was to ,test, 2 samples of each ,helmet, model.

Helmet Safety Standards 2019: FIM FRHPhe ECE 22.05 DOT ...
Helmet Safety Standards 2019: FIM FRHPhe ECE 22.05 DOT ...

29/1/2019, · ,Impact, absorption ,testing, is done in similar fashion to ECE and DOT, using a free-fall drop ,test, from a height necessary to attain the specified ,impact, velocity with a head form in the ,helmet, to ...

Safety Helmet Impact Test
Safety Helmet Impact Test

Helmet impact, attenuation ,test,, ,impact, velocity, design of. ,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.

Helmet Crash - The Melon Test | Experiments | Steve ...
Helmet Crash - The Melon Test | Experiments | Steve ...

Helmet, Crash – The Melon ,Test, is an excellent example of a science fair project. It demonstrates what happens to a melon when it is dropped from a specific height without a ,helmet, (the control ) and then shows the effect of different types of ,helmets, (the variable ) on …

A new oblique impact test for motorcycle helmets ...
A new oblique impact test for motorcycle helmets ...

Abstract A new oblique ,impact test, for motorcycle ,helmets, is described, simulating a fall from a motorcycle on to the road surface or the windshield of a car. An instrumented headform falls vertically to ,impact, a horizontally moving rigid rough or deformable surface. Both the ,impact, site on the ,helmet,, and the vertical and horizontal velocities, can be varied, while the headform linear and ...

Helmet Safety Standards 2019: FIM FRHPhe ECE 22.05 DOT ...
Helmet Safety Standards 2019: FIM FRHPhe ECE 22.05 DOT ...

29/1/2019, · ,Impact, absorption ,testing, is done in similar fashion to ECE and DOT, using a free-fall drop ,test, from a height necessary to attain the specified ,impact, velocity with a head form in the ,helmet, to ...

Helmet Testing — DOME
Helmet Testing — DOME

Testing Helmet Testing, < back Putting ,Helmets, to the ,Test,. With few exceptions, this is how ,helmets, are tested in the laboratory. While our charts have focused on ,impact testing,, that’s simply the most obvious part of the ,testing, process. Step 1: Outline the ,test, area. Not every square inch of a ,helmet, is designed to take the full brunt of a ...

Football Helmet Testing | Technology and Safety Research | NTS
Football Helmet Testing | Technology and Safety Research | NTS

The drop tower ,test, is the industry standard for ,helmet testing,. In this ,test,, a twin-wire impactor simulates ,helmet,-to-,helmet impact,. To ,test, the shock absorbency , ,helmets, get taken to a height of 60 inches from the ground, then dropped onto a steel anvil beneath a firm rubber pad at specific velocities, locations and temperatures.