Custom Subway Shock Absorber for Trains, Designed for High-Temperature 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

The rubber absorber is a sophisticated piece of equipment engineered to transform the mechanical kinetic energy of vibrations into thermal energy. This energy is then expertly absorbed through the superior high elastic deformation characteristics inherent in our premium rubber material.
Its core functions encompass a multitude of essential capabilities, ensuring optimal performance:
Energy Dissipation: Masterfully mitigates vibration energy through advanced viscous shear and elastic hysteresis effects, ensuring smooth, stable operations.
Momentum Isolation: Effectively disrupts the vibration transmission pathways, significantly lowering the probability of system resonance and enhancing overall system stability.
Buffer Protection: Expertly absorbs shock loads, thereby safeguarding the longevity of the equipment and ensuring continued performance excellence.
At Zhongmu Rubber, our unwavering commitment to innovation drives us to both enhance existing products and create new solutions. We are dedicated to delivering high-quality, high-performance isolation solutions tailored to meet our customers' diverse needs.

1.Typical Construct Type Comparison: A comprehensive assessment of various structural designs, aiming to identify optimal configurations.

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 exploration of time-honored architectural frameworks and their respective categories.

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 meticulously curated approach to selecting the ideal materials 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: Adherence to global benchmarks and comprehensive testing protocols to ensure superior product standards.

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: Strategic analysis and enhancements to bolster structural integrity and mitigate potential 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: Insightful overview of practical application domains and an array of product variants.

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 depiction of the sophisticated production stages ensuring excellence from start to finish.
1.Material Premixing: A crucial step to achieve optimal material consistency and quality.
Hot Feeding System: Precision temperature control within ± 1°C assures impeccable material uniformity, vital for superior product quality.
Fiber Dispersion: Achieves a remarkable 95% dispersion rate, verified by cutting-edge laser particle size analysis, ensuring unparalleled material uniformity.
2.Molding Process: An intricate phase that defines the core characteristics of the rubber absorber.
Compression Molding: Operates with mold temperatures precisely set at 60°C, coupled with a pressure of 15MPa, held for 30 minutes to ensure optimal structural integrity.
Injection Molding: Features a screw speed ranging from 50 to 100 rpm, with an injection temperature window between 80 and 120°C, tailored to maximize efficiency.
Vacuum Vulcanization: Executed at a pressure of 0.95MPa and a temperature of 150°C for 60 minutes, ensuring impeccable vulcanization quality.
3.Reprocessing: Finalization of the product with cutting-edge techniques to enhance durability and performance.
Surface Treatment: Application of a premium 0.2mm polyurethane anti-fouling coating, ensuring long-lasting surface protection.
Performance Optimization: Through advanced microwave vulcanization, we achieve a 40% efficiency improvement with a precise temperature variance of ± 2°C, guaranteeing peak performance.