Durable Train Shock Absorber for Subway Systems, Temperature Range -60 to 300° C

• 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

Discover the extraordinary capabilities of our robber absorber, a sophisticated piece of equipment designed to transform mechanical vibration kinetic energy into heat energy. This energy is efficiently absorbed by the remarkable high elastic deformation properties of our premium rubber material, ensuring unparalleled performance and longevity.
Its core functions encompass an array of innovative features, including:
Energy dissipation: Our absorber excels at consuming vibration energy with precision, harnessing the power of viscous shear and elastic hysteresis effects to deliver outstanding results.
Momentum isolation: Expertly engineered to block the vibration transmission path, it significantly reduces the risk of system resonance, safeguarding your equipment and operations.
Buffer protection: Designed to absorb shock loads effectively, our absorber extends the service life of your equipment, offering robust defense and reliability.
Zhongmu Rubber is committed to innovation, constantly developing both existing and pioneering new products. We are proud to offer our valued customers high-quality, high-performance isolation solutions that redefine excellence.

1.Typical construct type comparison allows for a comprehensive understanding of different design frameworks.

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.Delve into the classical structure and its classification to appreciate the intricacies of absorber design.

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.Our sophisticated material type selection system assists in choosing the ideal composition 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 standard and test range: Our products meet and exceed global benchmarks, 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 are continuously refined for enhanced durability and effectiveness.

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 to see how our solutions integrate seamlessly into various settings.

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.Learn about our meticulously crafted Manufacturing Process Flow, which ensures exceptional quality at every stage.
1.Material Premixing: A critical step that ensures consistency and quality, setting the foundation for superior performance.
Hot Feeding System: Maintaining a precise temperature control within ± 1°C guarantees material uniformity and optimal results.
Fiber Dispersion: Achieving a 95% dispersion, verified via a state-of-the-art laser particle size analyzer, demonstrates our commitment to excellence.
2.Molding Process: A pivotal phase where precision and expertise converge to form high-caliber products.
Compression Molding: Utilizing a mold temperature of 60°C, pressure at 15MPa, with a 30-minute pressure holding time for perfect results.
Injection Molding: Operates with a screw speed ranging from 50 to 100 rpm and an injection temperature between 80 to 120°C, ensuring versatile production capabilities.
Vacuum Vulcanization: Conducted at a pressure of 0.95MPa, temperature of 150°C, for a duration of 60 minutes, this process guarantees durability and strength.
3.Reprocessing: A crucial step in enhancing the final product's features and performance.
Surface Treatment: Our spray polyurethane anti-fouling coating, with a thickness of 0.2mm, provides exceptional protection and longevity, ensuring a pristine finish.
Performance Optimization: Through innovative microwave vulcanization, we achieve a remarkable 40% efficiency improvement with a temperature variance of only ± 2°C, setting new standards in performance.