Efficient Subway Train Shock Absorber, Customizable Specifications up to 500 Cm

• 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

Introducing the Efficient Subway Train Shock Absorber - a remarkable piece of engineering by Ningbo Zhongmu Rubber Products Co., Ltd. This advanced rubber absorber is designed to transform mechanical vibration energy into heat, masterfully utilizing the high elasticity and deformation capabilities of premium rubber materials.
Discover its impressive core functions:
Energy Dissipation: Through a synergy of viscous shear and elastic hysteresis effects, it effectively consumes vibration energy.
Momentum Isolation: By obstructing the transmission path of vibrations, it significantly minimizes the threat of system resonance, ensuring smoother operations.
Buffer Protection: This state-of-the-art absorber mitigates shock loads and substantially prolongs the service life of your equipment.
Zhongmu Rubber is at the forefront of innovation, committed to enhancing both current and forthcoming products. We provide our valued customers with superior, high-performance vibration isolation solutions.

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.Exploration of Classical Structure and Its Various Classifications

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.Comprehensive 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.Adherence to International Standards and Extensive 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.Analysis of Failure Modes and Structural Enhancements

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.Insight into Typical Application Scenarios and Diverse 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.Detailed Overview of the Manufacturing Process Flow
1.Material Premixing:
State-of-the-Art Hot Feeding System: Maintains temperature control with pinpoint accuracy (± 1°C) to guarantee material uniformity.
Excellence in Fiber Dispersion: Achieving 95% efficiency, as verified by a laser particle size analyzer.
2.Precision Molding Process:
Compression Molding: Optimal mold temperature is 60°C, with the pressure finely calibrated to 15MPa and a pressure holding duration of 30 minutes.
Injection Molding: With screw speeds between 50 and 100 rpm and an injection temperature range of 80 to 120°C, precision is key.
Vacuum Vulcanization: Conducted at a steady pressure of 0.95MPa and a precise temperature of 150°C for a duration of 60 minutes.
3.Advanced Reprocessing:
Sophisticated Surface Treatment: Utilizes a spray polyurethane anti-fouling coating at a micro-thin 0.2mm thickness.
Performance Enhancement: Embrace cutting-edge microwave vulcanization, boosting efficiency by 40% with a temperature variance controlled to ± 2°C.