Physical Characteristics Of GR2 Titanium Bolts
Non-magnetic Characteristics: Titanium maintains absolute zero permeability in the temperature range of -253°C to 500°C, completely eliminating electromagnetic interference.
Lightweight Advantage: The density of 4.51g/cm³ is only 60% of that of steel, and the weight of a single M2 screw is reduced by 0.32g.
Strength Guarantee: Tensile strength of 800-1100MPa, reaching 1.3-1.5 times that of 304 stainless steel.
Corrosion Resistance: The annual corrosion rate is 0.003mm in 3.5% NaCl solution, and the service life is 2.5 times that of steel screws.
Precision Manufacturing Process Of GR2 Titanium Bolts
The manufacturing precision of titanium screws can be called microengineering in modern industry. In order to meet the stringent requirements of consumer electronics for surface finish (Ra≤0.4μm) and dimensional tolerance (±0.03mm), the following three points have been met.
1. Material Pretreatment Technology: The vacuum self-consuming arc melting (VAR) process is used to increase the density of titanium to 99.7%, and the oxygen content is controlled below 0.12%, ensuring the stability of processing from the raw material side.
2. Precision Machining Process: The application of three-axis linkage CNC machine tools, with carbide coating tools, realizes dry machining without coolant, reducing the impact of thermal deformation on accuracy.
3.Quality Inspection System: Introduce a laser scanning measurement system to conduct full-dimensional inspection of each screw, with a defect recognition rate of 99.95%, to ensure that each part meets the standard.
Application Areas Of GR2 Titanium Bolts
Medical Field: Titanium screws for orthopedic implants have a fatigue resistance of 1200MPa, and their biocompatibility has passed the GB/T 16886 standard, making them suitable for long-term implantation in the human body.
Aerospace: Titanium screws for satellites maintain a thermal expansion coefficient of 0.003mm/°C in temperature changes from -150°C to 180°C, adapting to extreme space environments.
New Energy Vehicles: After the battery pack fixing screws are made of titanium alloy, the weight of the bicycle is reduced by 9kg, the battery life is increased by 2.2%, and the safety of the battery pack is improved
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