Advanced Train Shock Absorber for Subway Applications, Custom Lengths Available

• 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, a groundbreaking piece of equipment designed by experts, masterfully converts the relentless kinetic energy of mechanical vibrations into soothing heat energy. This transformation is achieved through the remarkable high elastic deformation properties inherent in the superior rubber material.
Delve into its core functionalities, which are expertly crafted to deliver unmatched performance:
Energy Dissipation: This ingenious component effectively consumes vibration energy, harnessing the power of viscous shear and the elastic hysteresis effects, ensuring a smooth and quiet operation.
Momentum Isolation: It acts as a formidable barrier, blocking the transmission path of vibrations, thereby significantly minimizing the risk of system resonance, and ensuring the integrity and longevity of your system.
Buffer Protection: Ingeniously designed to absorb shock loads, this feature extends the service life of your valued equipment, safeguarding your investments for the long haul.
At Zhongmu Rubber, we pride ourselves on our unwavering commitment to the development of both existing and innovative products, offering our esteemed customers the pinnacle of high-quality, high-performance isolation solutions.

1.Insightful Comparison of Typical Construct Types

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.Exploration of Classical Structures and Their Various Classifications

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.Comprehensive Material Type Selection System

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.Adherence to International Standards and Extensive Test Range

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.Analyzing Failure Modes and Implementing Structural Improvements

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.Diverse Application Scenarios and Product Types

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.Streamlined Manufacturing Process Flow
1.Material Premixing Process:
Hot Feeding System: With precision temperature control ± 1°C, ensuring unmatched material uniformity.
Fiber Dispersion: Achieving a remarkable 95% accuracy, as detected by a state-of-the-art laser particle size analyzer.
2.Sophisticated Molding Process:
Compression Molding: Expertly set mold temperature at 60°C, pressure at 15 MPa, maintaining pressure for an optimal duration of 30 minutes.
Injection Molding: With a variable screw speed ranging from 50 to 100 rpm and an injection temperature from 80 to 120°C, this process ensures precision and efficiency.
Vacuum Vulcanization: Executed at 0.95 MPa pressure, maintaining a precise temperature of 150°C for 60 meticulous minutes.
3.Innovative Reprocessing Techniques:
Advanced Surface Treatment: Featuring a polyurethane anti-fouling coating meticulously sprayed to a thickness of 0.2mm.
Performance Optimization: Utilizing cutting-edge microwave vulcanization, boasting a 40% efficiency improvement with a minimal temperature variance of ± 2°C.