Robust Train Shock Absorber for Subway Use, Suitable for Various Chemicals

• 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 robust train shock absorber is a sophisticated piece of equipment, meticulously designed to transform mechanical vibration kinetic energy into heat energy. This transformation is seamlessly facilitated by the remarkable high elastic deformation properties of its premium rubber material, ensuring unmatched efficiency and durability.
Its core functions are ingeniously crafted to deliver exceptional performance and reliability:
Energy Dissipation: The absorber efficiently consumes vibration energy by expertly utilizing both viscous shear and elastic hysteresis effects. This dual-action approach ensures optimal energy management.
Momentum Isolation: By strategically blocking vibration transmission paths, it significantly reduces the risk of system resonance, safeguarding the system's stability and prolonging its operational life.
Buffer Protection: It adeptly absorbs shock loads, thereby greatly extending the service life of the equipment and ensuring continuous, robust performance.
Ningbo Zhongmu Rubber Products Co., Ltd is passionately committed to the development and innovation of both existing and new products. Our relentless pursuit of excellence allows us to offer customers unparalleled high-quality, high-performance isolation solutions tailored to their specific needs.

1.Typical Construct Type Comparison: Detailed analysis and insights into varied construction 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.Classical Structure and Its Classification: In-depth exploration of traditional structures and their respective classifications for superior 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: Comprehensive material selection framework to ensure optimal choice for specific 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: Adherence to global standards and extensive testing ranges for guaranteed 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: Cutting-edge insights into failure modes with recommendations for structural enhancements.

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: Diverse application scenarios with a wide array of product types for versatile use.

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: Streamlined and precision-oriented process flow for high-quality production.
1.Material Premixing: The initial stage of our process ensures perfect uniformity and consistency.
Hot Feeding System: Boasts precise temperature control within ± 1°C to ensure material uniformity and quality.
Fiber Dispersion: Achieves an impressive 95% level of dispersion, assessed through advanced laser particle size analysis for thoroughness.
2.Molding Process: An intricate molding process that meticulously shapes the product to perfection.
Compression Molding: Set at optimal conditions with a mold temperature of 60°C, pressure of 15MPa, and a pressure holding time extending to 30 minutes for superior molding.
Injection Molding: Operates at screw speeds ranging from 50 to 100 rpm, with injection temperatures finely tuned between 80 to 120°C for precise results.
Vacuum Vulcanization: Conducted at a pressure of 0.95MPa, with a temperature of 150°C sustained for 60 minutes, ensuring impeccable vulcanization.
3.Reprocessing: A meticulous reprocessing phase to enhance product quality and longevity.
Surface Treatment: A specialized process involving the application of a 0.2mm thick spray polyurethane anti-fouling coating for added protection.
Performance Optimization: Through advanced microwave vulcanization, we achieve a 40% efficiency improvement with a minimal temperature variance of ± 2°C, ensuring peak performance.