Custom Subway Shock Absorber for Trains, Designed for Chemical Resistance

• 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

Experience the transformative power of our Custom Subway Shock Absorber for Trains. This ingenious device seamlessly converts mechanical vibration kinetic energy into heat energy. The high elastic deformation properties of its premium rubber material ensure reliable absorption, making it an essential asset for vibration control.
Discover its core functions, which redefine efficiency and reliability:
Efficient Energy Dissipation: By exploiting the viscous shear and elastic hysteresis effects, it expertly consumes vibration energy, ensuring smooth and quiet operation.
Advanced Momentum Isolation: It effectively blocks the transmission path of vibrations, significantly reducing the risk of system resonance and enhancing operational safety.
Comprehensive Buffer Protection: This shock absorber excels in absorbing shock loads, thereby extending the service life of your equipment and safeguarding your investment.
At Zhongmu Rubber, we are committed to innovation and quality. We continuously develop both existing and new products to provide our customers with superior, high-performance isolation solutions tailored to their needs.

1.Explore Typical Construct Type Comparison:

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.Discover Classical Structure and Its Classification:

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.Master the 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.Understand International Standards and Test Ranges:

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.Investigate Failure Modes and 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.Explore Typical 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.Comprehend the Manufacturing Process Flow:
1.Material Premixing Excellence:
Hot Feeding System: Experience precision with temperature control at ± 1°C, ensuring uniformity in material distribution.
Fiber Dispersion Mastery: Achieving 95% dispersion accuracy, meticulously detected by a laser particle size analyzer for optimal quality.
2.Precision Molding Process:
Compression Molding: Mold temperature set at 60°C, pressure at 15MPa, with a robust pressure holding time of 30 minutes for superior results.
Injection Molding: Screw speed ranges from 50 to 100 rpm, with injection temperatures between 80 to 120°C for precise craftsmanship.
Vacuum Vulcanization: At a pressure of 0.95MPa and temperature of 150°C, this process lasts 60 minutes to ensure excellence.
3.Reprocessing Mastery:
Surface Treatment: Featuring a 0.2mm thick spray of polyurethane anti-fouling coating for enhanced durability and protection.
Performance Optimization: Enjoy a 40% efficiency improvement with our microwave vulcanization, maintaining precise temperature variance at ± 2°C.