Brake pedal brackets broke on all three MAEXTRO V800 MPVs in 62 mph emergency-stop tests by an automotive platform in China.
The broken parts are all made of polypropylene reinforced with 40% glass fiber (PP-GF40), Is the material not strong enough, or is the OEM issuing an engineering risk?
Plastic materials for automotive pedals
Search “Pedal” by AjiEng material finder, get material grades recommended for automative pedal.
The generic families are PA6-GF30, PA6-GF35, PA6-GF40 and PP-GF40，
And compare the specifications
Factors affecting pedal fracture
The strength of a component is determined by both material strength and structural strength. The purpose of material selection and structural design is to ensure that the product can pass all tests in the intended service conditions.
The fracture may therefore result from a combination of factors, including material selection, product structure, and the test conditions and methods.
The application of new materials and the development of new products are systematic engineering efforts; Preventing engineering project failures is a complex issue.