Reliable Subway Shock Absorber for Trains, Custom Specs for Harsh Environments

• 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

Our state-of-the-art shock absorber is engineered to transform mechanical vibration kinetic energy seamlessly into heat energy. This impressive feat is achieved through the high elastic deformation properties intrinsic to our premium rubber material, ensuring ultimate absorption and performance.
The core functions of our shock absorber are designed to provide unparalleled benefits:
Energy Dissipation: Expertly engineered to utilize viscous shear and elastic hysteresis effects, our shock absorber efficiently consumes vibration energy, delivering top-tier performance.
Momentum Isolation: Our innovation excels at blocking vibration transmission paths, significantly reducing the risk of system resonance and enhancing overall safety.
Buffer Protection: Meticulously designed, it absorbs shock loads effectively, dramatically extending the service life of critical equipment.
At Zhongmu Rubber, innovation is at the heart of everything we do. We are committed to developing both existing and frontier products, offering our customers high-quality, high-performance isolation solutions that stand the test of time.

1.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.Classical Structure and Its Classification: Discover the diverse styles and classifications that set our shock absorbers apart.

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: Fine-tune your choices with our comprehensive selection system, tailored for optimal performance.

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 Standards and Test Range: Our products meet and exceed rigorous international standards, ensuring reliability and consistency.

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: Witness our commitment to innovation with structural enhancements aimed at minimizing failure modes.

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 the versatility of our products across various demanding applications.

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 detailed journey through our meticulous manufacturing process, ensuring excellence at every step.
1.Material Premixing: The initial step where precision and quality meet, setting the foundation for superior product performance.
Hot Feeding System: Leveraging temperature control within ± 1°C to ensure impeccable material uniformity and quality.
Fiber Dispersion: Achieving an impressive 95% dispersion, expertly validated by a laser particle size analyzer for consistent excellence.
2.Molding Process: Where innovation and technique converge to shape our exceptional products.
Compression Molding: With mold temperatures finely tuned at 60°C, pressure at 15MPa, and a 30-minute pressure holding time, we ensure perfect results.
Injection Molding: Utilizing screw speeds of 50 to 100 rpm and an injection temperature range from 80 to 120°C for optimal molding precision.
Vacuum Vulcanization: Conducted at a precise pressure of 0.95MPa and temperature of 150°C for 60 minutes, ensuring durability and quality.
3.Reprocessing: The final touches that elevate our products to unparalleled standards of excellence.
Surface Treatment: Applying a spray polyurethane anti-fouling coating with a precise thickness of 0.2mm for superior protection.
Performance Optimization: Our microwave vulcanization process delivers a remarkable 40% efficiency improvement, maintaining temperature variance within ± 2°C for consistent quality.