Multi-Specification Rubber Bushings for Mining Cards and Trucks Available

• 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
• 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 pivotal piece of equipment, expertly transforming mechanical vibration kinetic energy into essential heat energy. This process is beautifully facilitated by the remarkable high elastic deformation properties inherent in premium rubber material.
Its core functions encompass:
Energy Dissipation: This function elegantly consumes vibration energy, utilizing the synergistic effects of viscous shear and elastic hysteresis to deliver unparalleled performance.
Momentum Isolation: By skillfully blocking the vibration transmission path, this feature dramatically reduces the risk of system resonance, thus safeguarding the integrity of your operations.
Buffer Protection: Masterfully absorbing shock loads, it significantly extends the service life of your equipment, ensuring longevity and reliability.
Zhongmu Rubber is passionately committed to the innovation and refinement of both existing and new products. We offer high-quality, high-performance isolation solutions that meet and exceed customer expectations.

1.Typical Construct Type Comparison

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

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

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

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

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

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
1.Material Premixing:
Hot Feeding System: Achieving precise temperature control within ± 1°C ensures exceptional material uniformity, setting the stage for superior product quality.
Fiber Dispersion: An impressive 95% dispersion, meticulously detected by a laser particle size analyzer, guarantees optimal product performance.
2.Molding Process:
Compression Molding: With a mold temperature set at 60°C and pressure at 15MPa, coupled with a 30-minute pressure holding time, this process ensures robust and reliable results.
Injection Molding: Operating with a screw speed ranging from 50 to 100 rpm and an injection temperature between 80 and 120°C, this technique offers flexible and precise molding capabilities.
Vacuum Vulcanization: Maintaining pressure at 0.95MPa and temperature at 150°C for a duration of 60 minutes, this process guarantees exceptional bonding and product integrity.
3.Reprocessing:
Surface Treatment: Our expert application of a spray polyurethane anti-fouling coating, with a precise thickness of 0.2mm, provides superior protection and durability.
Performance Optimization: Through the use of microwave vulcanization, we achieve a remarkable 40% efficiency improvement, with temperature variance controlled within ± 2°C, delivering optimal performance enhancements.