Custom Train Shock Absorber for Subways, Effective in Extreme Temperature Conditions

• 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 Custom Train Shock Absorber designed by Ningbo Zhongmu Rubber Products Co., Ltd is an ingenious marvel of engineering that skillfully converts mechanical vibration kinetic energy into heat energy. This transformation is achieved through the remarkable high elastic deformation properties inherent in the rubber material, ensuring peak performance and reliability.
Its core functions are elegantly designed to deliver outstanding performance, including:
Energy dissipation: Harnesses the power of viscous shear and elastic hysteresis effects to expertly consume and dissipate vibration energy, ensuring smooth operation.
Momentum isolation: Acts as a formidable barrier by blocking the vibration transmission path, thereby significantly reducing the risk of system resonance and enhancing system stability.
Buffer protection: Capably absorbs shock loads, thereby extending the service life of the equipment and safeguarding your investment.
Zhongmu Rubber is passionately committed to the development of both existing and innovative new products, providing customers with high-quality, high-performance isolation solutions designed to meet the most demanding needs.

1.Typical construct type comparison: A comprehensive evaluation to ensure the best structural solutions.

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 examination of traditional models and their distinct 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 meticulous system for selecting the ideal materials tailored to your specific performance requirements.

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: Strict adherence to global standards and exhaustive testing for unparalleled quality assurance.

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: Insightful analysis and enhancements to bolster durability and performance.

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: Versatile solutions tailored to a multitude of contexts and diverse product specifications.

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 meticulously crafted process sequence to ensure precision and excellence.
1.Material Premixing: A sophisticated initial step for ensuring consistent material quality.
Hot Feeding System: Maintains precise temperature control within ± 1°C, guaranteeing consistent material uniformity.
Fiber Dispersion: Achieves an impressive 95% efficiency, verified by a state-of-the-art laser particle size analyzer.
2.Molding Process: A critical phase designed with precision guidelines for superior outcomes.
Compression Molding: Executes with mold temperature at 60°C, pressure at 15MPa, and a pressure holding time of 30 minutes for optimal results.
Injection Molding: Operates with screw speed from 50 to 100 rpm and injection temperature ranging from 80 to 120°C, ensuring versatility and efficiency.
Vacuum Vulcanization: Conducts under pressure at 0.95MPa, temperature at 150°C, and a 60-minute duration to achieve impeccable performance.
3.Reprocessing: Final touches to enhance functionality and appearance.
Surface Treatment: Applies a sleek spray polyurethane anti-fouling coating with a precision thickness of 0.2mm for robust protection.
Performance Optimization: Implements microwave vulcanization to achieve an impressive 40% efficiency improvement with a temperature variance of only ± 2°C for outstanding performance.