Efficient Train Shock Absorber for Subways, Custom Specs up to 500 Cm

• 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 shock absorber is a specialized piece of equipment engineered to transform mechanical vibration kinetic energy into heat energy. This transformation is gracefully managed through the high elastic deformation properties of premium rubber material, ensuring optimal absorption and performance.
It's core strengths and functionalities include the following:
Energy dissipation: This system skillfully utilizes viscous shear and elastic hysteresis effects to effectively consume vibration energy, ensuring smooth operation.
Momentum isolation: By expertly blocking the path of vibration transmission, it significantly reduces the risk of system resonance, enhancing stability and reliability.
Buffer protection: It adeptly absorbs shock loads, thus safeguarding the equipment and extending its operational lifespan.
Zhongmu Rubber remains at the forefront of innovation, continuously developing both existing and novel products. We are committed to delivering superior quality and high-performance isolation solutions to our esteemed customers.

1.Typical construct type comparison: Analyze and compare standard structural designs to identify optimal configurations.

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: Explore traditional structural formats and their respective classifications, ensuring a comprehensive understanding.

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: Implement a systematic approach to select the most suitable materials for various applications.

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: Adhere to global standards and testing protocols to guarantee product excellence and reliability.

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: Identify potential failure modes and propose structural enhancements to elevate product performance.

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: Explore diverse application scenarios and the corresponding product types designed to meet specific 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: An intricate journey through our sophisticated manufacturing stages ensures premium product quality.
1.Material Premixing: A crucial phase where materials are meticulously blended to ensure consistency and quality.
Hot Feeding System: Temperature control maintained at an impeccable ± 1°C to ensure material uniformity, a testament to our precision-driven approach.
Fiber Dispersion: Achieving an impressive 95% dispersion rate, verified by a state-of-the-art laser particle size analyzer for absolute precision.
2.Molding Process: Precision and innovation converge in our molding techniques.
Compression Molding: With the mold temperature finely set to 60°C and pressure at 15MPa, and a pressure-holding time of 30 minutes, every detail is meticulously controlled.
Injection Molding: Featuring a dynamic screw speed ranging from 50 to 100 rpm and an injection temperature of 80 to 120°C for versatile production needs.
Vacuum Vulcanization: Operating at a pressure of 0.95MPa, temperature of 150°C, and a duration of 60 minutes, this ensures exceptional quality.
3.Reprocessing: The final touch of excellence.
Surface Treatment: A protective polyurethane anti-fouling coating is applied with a precise 0.2mm thickness for lasting durability.
Performance Optimization: Harnessing microwave vulcanization enhances efficiency by 40%, with temperature variance meticulously controlled at ± 2°C. This optimization guarantees superior performance.