Reliable Subway Shock Absorber for Trains, Customizable to Fit Your Needs

• 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

This exceptional rubber absorber stands as a pivotal piece of equipment that ingeniously transforms mechanical vibration kinetic energy into coveted heat energy. This pivotal conversion is expertly absorbed through the remarkable high elastic deformation properties inherent in our premium rubber material.
The core functions of our rubber absorber are meticulously designed to deliver optimal performance and include:
Energy dissipation: Our product masterfully consumes vibration energy, leveraging the sophisticated viscous shear and elastic hysteresis effects to ensure superior energy reduction.
Momentum isolation: By strategically blocking the vibration transmission path, it significantly diminishes the risk of system resonance, ensuring a stable and reliable system.
Buffer protection: It expertly absorbs shock loads, thereby substantially extending the service life of your equipment, making it a sound investment in durability and efficiency.
At Zhongmu Rubber, we are committed to the innovation and development of both existing and pioneering products. Our mission is to deliver high-quality, high-performance isolation solutions that exceed customer expectations.

1.Typical construct type comparison provides insights into the versatility and adaptability of our products across various applications.

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 offer a comprehensive understanding of our product's design and functionality, ensuring precise 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 is crafted to guide you in choosing the optimal materials tailored to your specific needs, enhancing product effectiveness.

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 guarantees our products meet and exceed global quality benchmarks, affirming our commitment to excellence.

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 advanced to elevate product reliability and performance, adapting to dynamic industry demands.

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 highlight the diverse applications across industries and showcase the adaptability of our product lineup.

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 meticulously outlines our streamlined production stages, ensuring consistency, quality, and efficiency at every step.
1.Material Premixing: A critical initial phase, ensuring foundational material consistency and uniformity for superior product quality.
Hot Feeding System: Maintains precise temperature control at ± 1°C, pivotal for ensuring material uniformity and performance.
Fiber Dispersion: Achieves an impressive 95% dispersion, verified by a laser particle size analyzer, ensuring material integrity.
2.Molding Process: This crucial stage encompasses:
Compression Molding: With the mold temperature set at 60°C and pressure at 15MPa, it holds pressure for a substantial 30 minutes to ensure durability.
Injection Molding: Features a screw speed spectrum of 50 to 100 rpm, with injection temperatures finely tuned between 80 and 120°C for precision.
Vacuum Vulcanization: Ensures optimal product integrity with a pressure of 0.95MPa at 150°C for a full 60 minutes.
3.Reprocessing: An essential stage to enhance final product quality.
Surface Treatment: Includes spraying a polyurethane anti-fouling coating at a precise 0.2mm thickness to protect against the elements.
Performance Optimization: Incorporates microwave vulcanization, boosting efficiency by 40% with a temperature variance of only ± 2°C, ensuring peak performance.