High-Performance Subway Shock Absorber for Trains, Suitable for 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 rubber shock absorber is an ingenious device that masterfully transforms mechanical vibration kinetic energy into heat energy. This is accomplished through the remarkable high elastic deformation properties inherent in the rubber material, effectively absorbing the energy and providing unparalleled vibration suppression.
Its primary and highly advanced functions include:
Energy Dissipation: This state-of-the-art absorber cleverly utilizes the viscous shear and elastic hysteresis effects to efficiently consume unwanted vibration energy, ensuring smoother operations.
Momentum Isolation: By ingeniously blocking the vibration transmission path, it significantly reduces the risk of system resonance, protecting the integrity of your setup.
Buffer Protection: Expertly absorbs shock loads, substantially extending the service life of your equipment, and offering reliable protection against wear and tear.
At Zhongmu Rubber, we are committed to innovation and excellence. We continually develop both cutting-edge existing and novel products, providing our customers with superior, high-performance isolation solutions designed to meet diverse needs.

1.Typical Construct Type Comparison: An insightful comparison to guide optimal design choices.

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: A detailed examination to enhance understanding and application.

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 sophisticated system to ensure the best material selections for diverse 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: Comprehensive adherence to global standards, ensuring quality 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: Proactive strategies to analyze failure modes and implement structural enhancements for robustness.

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: Versatile applications and product suites to meet varied industry demands.

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 and efficient process to ensure top-notch product quality.
1.Material Premixing: A crucial step in blending materials to perfection.
Hot Feeding System: Precision in temperature control ± 1°C guarantees material uniformity across all batches.
Fiber Dispersion: Achieving 95% efficiency as detected by a laser particle size analyzer for optimal performance.
2.Molding Process: A meticulously controlled phase for precise shaping.
Compression Molding: Set with precision at a mold temperature of 60°C, and pressure of 15MPa, maintaining pressure for 30 minutes to ensure quality moldings.
Injection Molding: Features a screw speed ranging from 50 to 100 rpm and injection temperatures between 80 to 120°C for versatility.
Vacuum Vulcanization: Conducted at 0.95MPa pressure, 150°C temperature, over 60 minutes for optimal curing.
3.Reprocessing: Enhancements to ensure longevity and performance.
Surface Treatment: Sprayed with a 0.2mm thick polyurethane anti-fouling coating for superior protection.
Performance Optimization: Innovative microwave vulcanization boosts efficiency by 40%, with temperature variance tightly controlled at ± 2°C.