Temperature-Resistant Train Shock Absorber for Subway Systems, Custom Lengths

• Customization: Available
• After-sales Service: Issue 100% Recall
• Warranty: 180 Sky
• Material: Rubber Steel
• Certification: ISO10012, ISO/TS16949, ISO9001
• Car Make: Volkswagen, WuLing, Benz, BMW, Hyundai, Honda, Toyota, Jeep, Nissan, Ford, Buick, Chery, Chevrolet, Cadillac, Geely, Roewe, Audi, Peugeot, Lexus, Volvo, Mazda, Kia
• Position: Chassis System
• OEM: Yes
• Type: Chassis System
• Applicable Temperature: From Minus 60 Degrees to Plus 300 Degrees
• Scope of Application: Various Chemical Substances
• Custom Specifications: Customizability Can Reach up to 500 Centimeters
• Transport Package: Packaging Bag; Cardboard Box
• Trademark: Anran
• Origin: China Hebei
• HS Code: 8708809000
• Production Capacity: 500000pieces/Yaer

Product Description

The rubber absorber is an ingenious piece of equipment engineered to adeptly convert mechanical vibration kinetic energy into heat energy. This transformation is masterfully absorbed by the superior high elastic deformation properties inherent in the rubber material, ensuring top-tier performance under demanding conditions.
Its core functions encompass a spectrum of critical roles, each designed to enhance the operational efficiency and longevity of systems:
Energy dissipation: This essential function involves efficiently consuming vibration energy through the innovative utilization of viscous shear and elastic hysteresis effects, providing unparalleled stability.
Momentum isolation: By effectively blocking the vibration transmission path, this feature significantly reduces the risk of system resonance, ensuring a smoother and safer operational environment.
Buffer protection: With the ability to absorb shock loads, it provides robust protection that extends the service life of the equipment, safeguarding your investment for the long term.
Zhongmu Rubber is passionately committed to pushing the boundaries in both existing and new product development, offering customers superior, high-performance isolation solutions that set the benchmark in quality.

1.Typical construct type comparison: Analyzing and understanding the various structural types to identify optimal solutions.

structured type	structure characteristics	Dynamic performance parameters	application scenarios
Solid compression type	Single rubber column (no reinforced layer)	Scirrhosity ShoreA70-90	Low-frequency and large-amplitude industrial equipment
Fiber enhancement type	Rubber matrix + aramid fiber woven mesh	shear modulus≥15MPa	Earthquake absorption of high-speed rail transit
Metal nested type	Aluminum alloy shell + rubber lining	radial rigidity ≥500N/mm	Generator set vibration isolation
Multi-layer compound	NBR base layer + EPDM damping layer + silicone surface layer	thermal adaptability -50~+200ºC	Semiconductor equipment precision vibration isolation

2.Classical structure and its classification: Delving into traditional designs, understanding their classifications, and enhancing their performance.

structure type	operational principle	typical parameter	application scenarios
Compressed shock absorber	The rubber column is deformed by the axial compression	Scirrhosity60-90 ShoreA,compression ratio≥30%	Car suspension, machine tool shock absorption
Cut-type shock absorber	Rubber sheets produce shear deformation under shear sheets	shear modulus≥10MPa,thickness2-5mm	Electronic equipment, building vibration isolation
Compound shock absorber	Rubber + spring / hydraulic pressure works together	Nonlinear stiffness characteristics, with adjustable damping	Heavy machinery, high-speed rail track
Damage liner	Thin-walled rubber sleeve covers the rotating shaft	radial rigidity 50-500N/mm,friction(al) coefficient 0.1-0.3	Rotary shaft frame vibration control

3.Material type selection system: A systematic approach to selecting materials that meet stringent performance and durability criteria.

Rubber type	dynamic modulus (MPa)	temperature range(-40ºC~+150ºC)	oil resistivity (70#)	Typical application
NBR	2-5	-40ºC~+120ºC	Volume change rate<10%	Automobile shock absorber, hydraulic cylinder bushing
EPDM	3-8	-50ºC~+180ºC	Volume change rate<5%	Building vibration isolation cushion, wind power sealing
SBR	2-4	-20ºC~+100ºC	Volume change rate<15%	Industrial floor damping pad
IIR	1-3	-40ºC~+80ºC	Volume change<8%	Precision instrument vibration absorber

4.International standard and test range: Adhering to global standards, ensuring products meet rigorous international testing requirements.

criterion	test project	technical requirement
ISO 9001	quality management system	Whole-process traceability
GB/T 10179	Experimental method of rubber shock absorber	The deformation was <20% after 10 ^ 6 cycles
ASTM D3452	Schematic drawing test	Rehome rate is> 70%
IEC 60068-2-6	Environmental experiments	-40ºC ~ + 85ºC cycle aging

5.Failure mode and structural improvements: Identifying potential failure modes and applying structural improvements to enhance reliability.

failure mode	analysis of causes	Improve the plan
surface checking	UV aging (> 2000h exposure)	Add UV absorber (carbon black N330)
The central hole collapsed	Localized overload (> 150% rated load)	Set the safety factor (≥2.5)
Damage recession	Liquid erosion (ASTM D471 test)	HNBR oil resistant rubber
Install stress cracking	Taper fitting (H7 / p6)	Add flexible spacer (Shaw 30-50A)

6.Typical application scenarios and product types: Exploring diverse applications and product types to meet varied industry needs.

device type	Application site	vibration performance	Type of shock absorber	Type of shock absorber
excavator	Rotary turning platform and walking mechanism	Low-frequency (2-10Hz) axial vibration	Compressed shock absorber	Hardness of Shore A 70-90, compression rate of 30%
crane	Hanging arm, balance beam	Intermediate frequency (10-50Hz) torsional vibration	Cut-type shock absorber	Shear modulus of 15MPa, 5-8mm in thickness
loader	Hanging arm, balance beam	High-frequency (50-200Hz) random vibration	Compound shock absorber	Rubber + metal skeleton, with a damping ratio of ζ =0.8-0.9
road roller	Shbrator, self-walking wheel	Impact load (5-10ms pulse)	hydraulic buffer	Ababsorbed energy 200 kJ with response time <50ms
shield tunneling machine	Spindle drive, pipe segment assembly machine	Multi-axial synchronous vibration (axial + radial)	3 D shock absorption module	Flexible connection design, torsional torque 500 N·m

7.Manufacturing Process Flow: A streamlined process ensuring precision and quality in every step.
1.Material Premixing: The essential first step towards creating uniform and high-quality materials.
Hot Feeding System: Equipped with precise temperature control of ± 1°C to ensure material uniformity, setting the stage for excellence.
Fiber Dispersion: Achieving an impressive 95% dispersion, verified by a laser particle size analyzer, to guarantee consistency and reliability.
2.Molding Process: Where the magic of transformation takes place, ensuring products meet exacting standards.
Compression Molding: Carefully controlled with mold temperature at 60°C, pressure at 15MPa, and a pressure holding time of 30 minutes to ensure optimal results.
Injection Molding: Utilizing a screw speed range of 50 to 100 rpm, with injection temperatures from 80 to 120°C, achieving precision in every product.
Vacuum Vulcanization: Conducted under pressure of 0.95MPa, at a temperature of 150°C for a duration of 60 minutes, ensuring robust and high-quality results.
3.Reprocessing: The final steps that perfect the product, enhancing its protective qualities and performance.
Surface Treatment: Application of a spray polyurethane anti-fouling coating at 0.2mm thickness, offering superior protection.
Performance Optimization: With an impressive 40% efficiency improvement, microwave vulcanization is conducted with a temperature variance of ± 2°C, pushing the boundaries of performance.