Tough Excavator Bushings and Chassis Components for Long-Term Use

• 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 stands as a sophisticated apparatus designed to transform mechanical vibration kinetic energy into heat energy. This conversion is elegantly facilitated by the remarkable high elastic deformation properties innate to the rubber material, ensuring that the energy is efficiently absorbed and dissipated.
Its core functions encompass a range of innovative mechanisms to enhance performance and reliability:
Energy dissipation: The system adeptly consumes vibration energy by harnessing the powerful effects of viscous shear and elastic hysteresis. This ensures smooth operation and longevity.
Momentum isolation: Ingeniously designed to obstruct the path of vibration transmission, this feature diminishes the risk of system resonance, safeguarding the integrity of the machinery.
Buffer protection: With an impressive capacity to absorb shock loads, it significantly extends the service life of the equipment, providing robust protection against wear and tear.
Zhongmu Rubber is passionately committed to the advancement and innovation of both existing and pioneering products, assuring customers of unparalleled high-quality and high-performance isolation solutions tailored to their needs.

1.Typical construct type comparison: A detailed examination of various construct types, highlighting their unique advantages.

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: An insightful look into traditional structures and their distinct 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.Material type selection system: A comprehensive system for selecting optimal material types tailored to specific 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: Conformance to global standards and extensive testing parameters to ensure 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: An analysis of potential failure modes and strategic structural enhancements for greater durability.

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: A showcase of versatile applications and diverse product varieties to suit various needs.

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 detailed process flow chart for streamlined manufacturing.
1.Material Premixing: An initial phase focused on blending raw materials to achieve uniformity and consistency.
Hot Feeding System: Precision temperature control within ± 1°C guarantees material uniformity, critical for quality.
Fiber Dispersion: Achieving 95% dispersion as verified by a laser particle size analyzer, ensuring optimal material performance.
2.Molding Process: A pivotal stage that defines the final product shape and properties through advanced molding techniques.
Compression Molding: Features a mold temperature precisely set at 60°C, operating at a pressure of 15MPa, and a pressure holding time of 30 minutes to ensure structural integrity.
Injection Molding: Employs variable screw speeds from 50 to 100 rpm, combined with injection temperatures ranging from 80 to 120°C for optimal material flow and consistency.
Vacuum Vulcanization: Conducted at a pressure of 0.95MPa and a temperature of 150°C for a duration of 60 minutes, ensuring complete vulcanization.
3.Reprocessing: Further refining the product for enhanced performance and longevity.
Surface Treatment: Implements a spray polyurethane anti-fouling coating with a 0.2mm thickness to shield the product from environmental contaminants.
Performance Optimization: Utilizing microwave vulcanization for a substantial 40% efficiency improvement, with a precise temperature variance limited to ± 2°C to maximize performance.